Mercurial > octave-nkf
annotate doc/interpreter/plot.txi @ 8519:68aa5abfd136
Trivial doc fixes
| author | sh@sh-laptop |
|---|---|
| date | Thu, 15 Jan 2009 00:28:42 -0500 |
| parents | f34ab2b433e8 |
| children | 03b7f618ab3d |
| rev | line source |
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| 7018 | 1 @c Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, |
| 2 @c 2006, 2007 John W. Eaton | |
| 3 @c | |
| 4 @c This file is part of Octave. | |
| 5 @c | |
| 6 @c Octave is free software; you can redistribute it and/or modify it | |
| 7 @c under the terms of the GNU General Public License as published by the | |
| 8 @c Free Software Foundation; either version 3 of the License, or (at | |
| 9 @c your option) any later version. | |
| 10 @c | |
| 11 @c Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 12 @c ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 @c FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 @c for more details. | |
| 15 @c | |
| 16 @c You should have received a copy of the GNU General Public License | |
| 17 @c along with Octave; see the file COPYING. If not, see | |
| 18 @c <http://www.gnu.org/licenses/>. | |
| 3294 | 19 |
| 4167 | 20 @node Plotting |
| 3294 | 21 @chapter Plotting |
| 6888 | 22 @cindex plotting |
| 23 @cindex graphics | |
| 3294 | 24 |
| 25 @menu | |
| 6888 | 26 * Plotting Basics:: |
| 27 * Advanced Plotting:: | |
| 28 @end menu | |
| 29 | |
| 30 @node Plotting Basics | |
| 31 @section Plotting Basics | |
| 32 | |
| 33 Octave makes it easy to create many different types of two- and | |
| 34 three-dimensional plots using a few high-level functions. | |
| 35 | |
| 36 If you need finer control over graphics, see @ref{Advanced Plotting}. | |
| 37 | |
| 38 @menu | |
| 39 * Two-Dimensional Plots:: | |
| 3294 | 40 * Three-Dimensional Plotting:: |
| 41 * Plot Annotations:: | |
| 42 * Multiple Plots on One Page:: | |
| 3428 | 43 * Multiple Plot Windows:: |
| 6888 | 44 * Printing Plots:: |
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45 * Interacting with plots:: |
| 6888 | 46 * Test Plotting Functions:: |
| 3294 | 47 @end menu |
| 48 | |
| 6888 | 49 @node Two-Dimensional Plots |
| 50 @subsection Two-Dimensional Plots | |
| 51 | |
| 52 The @code{plot} function allows you to create simple x-y plots with | |
| 53 linear axes. For example, | |
| 3294 | 54 |
| 6888 | 55 @example |
| 56 @group | |
| 57 x = -10:0.1:10; | |
| 58 plot (x, sin (x)); | |
| 59 @end group | |
| 60 @end example | |
| 61 | |
| 62 @noindent | |
| 6899 | 63 displays a sine wave shown in @ref{fig:plot}. On most systems, this |
| 6888 | 64 command will open a separate plot window to display the graph. |
| 5134 | 65 |
| 6888 | 66 @float Figure,fig:plot |
| 67 @image{plot,8cm} | |
| 68 @caption{Simple Two-Dimensional Plot.} | |
| 69 @end float | |
| 70 | |
| 5134 | 71 @DOCSTRING(plot) |
| 72 | |
| 6888 | 73 The functions @code{semilogx}, @code{semilogy}, and @code{loglog} are |
| 74 similar to the @code{plot} function, but produce plots in which one or | |
| 75 both of the axes use log scales. | |
| 76 | |
| 77 @DOCSTRING(semilogx) | |
| 6502 | 78 |
| 6888 | 79 @DOCSTRING(semilogy) |
| 6502 | 80 |
| 6888 | 81 @DOCSTRING(loglog) |
| 82 | |
| 83 The functions @code{bar}, @code{barh}, @code{stairs}, and @code{stem} | |
| 84 are useful for displaying discrete data. For example, | |
| 5134 | 85 |
| 6888 | 86 @example |
| 87 @group | |
| 88 hist (randn (10000, 1), 30); | |
| 89 @end group | |
| 90 @end example | |
| 5134 | 91 |
| 6888 | 92 @noindent |
| 93 produces the histogram of 10,000 normally distributed random numbers | |
| 6899 | 94 shown in @ref{fig:hist}. |
| 5134 | 95 |
| 6888 | 96 @float Figure,fig:hist |
| 97 @image{hist,8cm} | |
| 98 @caption{Histogram.} | |
| 99 @end float | |
| 5134 | 100 |
| 101 @DOCSTRING(bar) | |
| 102 | |
| 6877 | 103 @DOCSTRING(barh) |
| 104 | |
| 6888 | 105 @DOCSTRING(hist) |
| 106 | |
| 107 @DOCSTRING(stairs) | |
| 108 | |
| 109 @DOCSTRING(stem) | |
| 110 | |
| 7981 | 111 The @code{contour}, @code{contourf} and @code{contourc} functions |
| 112 produce two-dimensional contour plots from three dimensional data. | |
| 6888 | 113 |
| 5134 | 114 @DOCSTRING(contour) |
| 115 | |
| 7981 | 116 @DOCSTRING(contourf) |
| 117 | |
| 6502 | 118 @DOCSTRING(contourc) |
| 119 | |
| 6888 | 120 The @code{errorbar}, @code{semilogxerr}, @code{semilogyerr}, and |
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121 @code{loglogerr} functions produce plots with error bar markers. For |
| 6888 | 122 example, |
| 6877 | 123 |
| 6888 | 124 @example |
| 125 x = 0:0.1:10; | |
| 126 y = sin (x); | |
| 127 yp = 0.1 .* randn (size (x)); | |
| 128 ym = -0.1 .* randn (size (x)); | |
| 129 errorbar (x, sin (x), ym, yp); | |
| 130 @end example | |
| 5134 | 131 |
| 6888 | 132 @noindent |
| 6899 | 133 produces the figure shown in @ref{fig:errorbar}. |
| 6502 | 134 |
| 6888 | 135 @float Figure,fig:errorbar |
| 136 @image{errorbar,8cm} | |
| 137 @caption{Errorbar plot.} | |
| 138 @end float | |
| 5134 | 139 |
| 140 @DOCSTRING(errorbar) | |
| 141 | |
| 142 @DOCSTRING(semilogxerr) | |
| 143 | |
| 144 @DOCSTRING(semilogyerr) | |
| 145 | |
| 6888 | 146 @DOCSTRING(loglogerr) |
| 147 | |
| 148 Finally, the @code{polar} function allows you to easily plot data in | |
| 7001 | 149 polar coordinates. However, the display coordinates remain rectangular |
| 6888 | 150 and linear. For example, |
| 151 | |
| 152 @example | |
| 153 polar (0:0.1:10*pi, 0:0.1:10*pi); | |
| 154 @end example | |
| 155 | |
| 156 @noindent | |
| 6899 | 157 produces the spiral plot shown in @ref{fig:polar}. |
| 6888 | 158 |
| 159 @float Figure,fig:polar | |
| 160 @image{polar,8cm} | |
| 161 @caption{Polar plot.} | |
| 162 @end float | |
| 163 | |
| 164 @DOCSTRING(polar) | |
| 165 | |
| 7120 | 166 @DOCSTRING(pie) |
| 167 | |
| 168 @DOCSTRING(quiver) | |
| 169 | |
| 170 @DOCSTRING(pcolor) | |
| 171 | |
| 7153 | 172 @DOCSTRING(area) |
| 173 | |
| 6888 | 174 The axis function may be used to change the axis limits of an existing |
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175 plot and various other axis properties, such as the aspect ratio and the |
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176 appearance of tic marks. |
| 6888 | 177 |
| 178 @DOCSTRING(axis) | |
| 179 | |
| 7189 | 180 Similarly the axis limits of the colormap can be changed with the caxis |
| 181 function. | |
| 182 | |
| 183 @DOCSTRING(caxis) | |
| 184 | |
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185 @menu |
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186 * Two-dimensional Function Plotting:: |
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187 @end menu |
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188 |
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189 @node Two-dimensional Function Plotting |
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190 @subsubsection Two-dimensional Function Plotting |
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191 |
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192 Octave can plot a function from a function handle inline function or |
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193 string defining the function without the user needing to explicitly |
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194 create the data to be plotted. The function @code{fplot} also generates |
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195 two-dimensional plots with linear axes using a function name and limits |
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196 for the range of the x-coordinate instead of the x and y data. For |
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197 example, |
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198 |
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199 @example |
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200 @group |
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201 fplot (@@sin, [-10, 10], 201); |
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202 @end group |
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203 @end example |
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204 |
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205 @noindent |
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206 produces a plot that is equivalent to the one above, but also includes a |
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207 legend displaying the name of the plotted function. |
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208 |
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209 @DOCSTRING(fplot) |
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210 |
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211 Other functions that can create two-dimensional plots directly from a |
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212 function include @code{ezplot}, @code{ezcontour}, @code{ezcontourf} and |
| 8046 | 213 @code{ezpolar}. |
| 214 | |
| 215 @DOCSTRING(ezplot) | |
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216 |
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217 @DOCSTRING(ezcontour) |
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218 |
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219 @DOCSTRING(ezcontourf) |
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220 |
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221 @DOCSTRING(ezpolar) |
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222 |
| 5134 | 223 @node Three-Dimensional Plotting |
| 6888 | 224 @subsection Three-Dimensional Plotting |
| 225 | |
| 226 The function @code{mesh} produces mesh surface plots. For example, | |
| 227 | |
| 228 @example | |
| 229 @group | |
| 230 tx = ty = linspace (-8, 8, 41)'; | |
| 231 [xx, yy] = meshgrid (tx, ty); | |
| 232 r = sqrt (xx .^ 2 + yy .^ 2) + eps; | |
| 233 tz = sin (r) ./ r; | |
| 234 mesh (tx, ty, tz); | |
| 235 @end group | |
| 236 @end example | |
| 237 | |
| 238 @noindent | |
| 6899 | 239 produces the familiar ``sombrero'' plot shown in @ref{fig:mesh}. Note |
| 6888 | 240 the use of the function @code{meshgrid} to create matrices of X and Y |
| 241 coordinates to use for plotting the Z data. The @code{ndgrid} function | |
| 242 is similar to @code{meshgrid}, but works for N-dimensional matrices. | |
| 243 | |
| 244 @float Figure,fig:mesh | |
| 245 @image{mesh,8cm} | |
| 246 @caption{Mesh plot.} | |
| 247 @end float | |
| 5134 | 248 |
| 6888 | 249 The @code{meshc} function is similar to @code{mesh}, but also produces a |
| 250 plot of contours for the surface. | |
| 251 | |
| 252 The @code{plot3} function displays arbitrary three-dimensional data, | |
| 253 without requiring it to form a surface. For example | |
| 254 | |
| 255 @example | |
| 256 @group | |
| 257 t = 0:0.1:10*pi; | |
| 258 r = linspace (0, 1, numel (t)); | |
| 259 z = linspace (0, 1, numel (t)); | |
| 260 plot3 (r.*sin(t), r.*cos(t), z); | |
| 261 @end group | |
| 262 @end example | |
| 263 | |
| 264 @noindent | |
| 6899 | 265 displays the spiral in three dimensions shown in @ref{fig:plot3}. |
| 6888 | 266 |
| 267 @float Figure,fig:plot3 | |
| 268 @image{plot3,8cm} | |
| 269 @caption{Three dimensional spiral.} | |
| 270 @end float | |
| 271 | |
| 272 Finally, the @code{view} function changes the viewpoint for | |
| 273 three-dimensional plots. | |
| 5134 | 274 |
| 275 @DOCSTRING(mesh) | |
| 276 | |
| 6788 | 277 @DOCSTRING(meshc) |
| 278 | |
| 7153 | 279 @DOCSTRING(hidden) |
| 280 | |
| 7120 | 281 @DOCSTRING(surf) |
| 282 | |
| 283 @DOCSTRING(surfc) | |
| 284 | |
| 5134 | 285 @DOCSTRING(meshgrid) |
| 286 | |
| 6550 | 287 @DOCSTRING(ndgrid) |
| 288 | |
| 6888 | 289 @DOCSTRING(plot3) |
| 290 | |
| 6502 | 291 @DOCSTRING(view) |
| 292 | |
| 7120 | 293 @DOCSTRING(shading) |
| 294 | |
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295 @menu |
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296 * Three-dimensional Function Plotting:: |
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297 @end menu |
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298 |
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299 @node Three-dimensional Function Plotting |
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300 @subsubsection Three-dimensional Function Plotting |
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301 |
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302 @DOCSTRING(ezplot3) |
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303 |
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304 @DOCSTRING(ezmesh) |
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305 |
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306 @DOCSTRING(ezmeshc) |
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307 |
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308 @DOCSTRING(ezsurf) |
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309 |
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310 @DOCSTRING(ezsurfc) |
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311 |
| 6888 | 312 @node Plot Annotations |
| 313 @subsection Plot Annotations | |
| 6502 | 314 |
| 6888 | 315 You can add titles, axis labels, legends, and arbitrary text to an |
| 316 existing plot. For example, | |
| 6877 | 317 |
| 6888 | 318 @example |
| 319 @group | |
| 320 x = -10:0.1:10; | |
| 321 plot (x, sin (x)); | |
| 322 title ("sin(x) for x = -10:0.1:10"); | |
| 323 xlabel ("x"); | |
| 324 ylabel ("sin (x)"); | |
| 325 text (pi, 0.7, "arbitrary text"); | |
| 326 legend ("sin (x)"); | |
| 327 @end group | |
| 328 @end example | |
| 6502 | 329 |
| 6888 | 330 The functions @code{grid} and @code{box} may also be used to add grid |
| 331 and border lines to the plot. By default, the grid is off and the | |
| 332 border lines are on. | |
| 5134 | 333 |
| 334 @DOCSTRING(title) | |
| 335 | |
| 6502 | 336 @DOCSTRING(legend) |
| 337 | |
| 338 @DOCSTRING(text) | |
| 339 | |
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340 See @ref{Text Properties} for the properties that you can set. |
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341 |
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342 @anchor{doc-ylabel} |
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343 @anchor{doc-zlabel} |
| 5134 | 344 @DOCSTRING(xlabel) |
| 345 | |
| 6502 | 346 @DOCSTRING(box) |
| 347 | |
| 348 @DOCSTRING(grid) | |
| 349 | |
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350 @DOCSTRING(colorbar) |
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351 |
| 5134 | 352 @node Multiple Plots on One Page |
| 6888 | 353 @subsection Multiple Plots on One Page |
| 354 | |
| 355 Octave can display more than one plot in a single figure. The simplest | |
| 356 way to do this is to use the @code{subplot} function to divide the plot | |
| 357 area into a series of subplot windows that are indexed by an integer. | |
| 358 For example, | |
| 359 | |
| 360 @example | |
| 361 @group | |
| 362 subplot (2, 1, 1) | |
| 363 fplot (@@sin, [-10, 10]); | |
| 364 subplot (2, 1, 2) | |
| 365 fplot (@@cos, [-10, 10]); | |
| 366 @end group | |
| 367 @end example | |
| 368 | |
| 369 @noindent | |
| 370 creates a figure with two separate axes, one displaying a sine wave and | |
| 371 the other a cosine wave. The first call to subplot divides the figure | |
| 372 into two plotting areas (two rows and one column) and makes the first plot | |
| 373 area active. The grid of plot areas created by @code{subplot} is | |
| 374 numbered in column-major order (top to bottom, left to right). | |
| 5134 | 375 |
| 376 @DOCSTRING(subplot) | |
| 377 | |
| 378 @node Multiple Plot Windows | |
| 6888 | 379 @subsection Multiple Plot Windows |
| 380 | |
| 381 You can open multiple plot windows using the @code{figure} function. | |
| 382 For example | |
| 383 | |
| 384 @example | |
| 385 figure (1); | |
| 386 fplot (@@sin, [-10, 10]); | |
| 387 figure (2); | |
| 388 fplot (@@cos, [-10, 10]); | |
| 389 @end example | |
| 390 | |
| 391 @noindent | |
| 392 creates two figures, with the first displaying a sine wave and | |
| 393 the second a cosine wave. Figure numbers must be positive integers. | |
| 5134 | 394 |
| 395 @DOCSTRING(figure) | |
| 396 | |
| 6502 | 397 @node Printing Plots |
| 6888 | 398 @subsection Printing Plots |
| 399 | |
| 400 The @code{print} command allows you to save plots in a variety of | |
| 401 formats. For example, | |
| 402 | |
| 403 @example | |
| 404 print -deps foo.eps | |
| 405 @end example | |
| 406 | |
| 407 @noindent | |
| 408 writes the current figure to an encapsulated PostScript file called | |
| 409 @file{foo.eps}. | |
| 6502 | 410 |
| 411 @DOCSTRING(print) | |
| 412 | |
| 413 @DOCSTRING(orient) | |
| 5134 | 414 |
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415 @node Interacting with plots |
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416 @subsection Interacting with plots |
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417 |
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418 The user can select points on a plot with the @code{ginput} function or |
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419 selction the position at which to place text on the plot with the |
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420 @code{gtext} function using the mouse. |
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421 |
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422 @DOCSTRING(ginput) |
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423 |
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424 @DOCSTRING(waitforbuttonpress) |
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425 |
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426 @DOCSTRING(gtext) |
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427 |
| 6788 | 428 @node Test Plotting Functions |
| 6888 | 429 @subsection Test Plotting Functions |
| 430 | |
| 431 The functions @code{sombrero} and @code{peaks} provide a way to check | |
| 432 that plotting is working. Typing either @code{sombrero} or @code{peaks} | |
| 433 at the Octave prompt should display a three dimensional plot. | |
| 6788 | 434 |
| 6877 | 435 @DOCSTRING(sombrero) |
| 436 | |
| 6788 | 437 @DOCSTRING(peaks) |
| 438 | |
| 6888 | 439 @node Advanced Plotting |
| 440 @section Advanced Plotting | |
| 441 | |
| 442 @menu | |
| 443 * Graphics Objects:: | |
| 444 * Graphics Object Properties:: | |
| 6891 | 445 * Managing Default Properties:: |
| 6889 | 446 * Colors:: |
| 447 * Line Styles:: | |
| 448 * Marker Styles:: | |
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449 * Callbacks:: |
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450 * Object Groups:: |
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451 * Graphics backends:: |
| 6888 | 452 @end menu |
| 453 | |
| 454 @node Graphics Objects | |
| 455 @subsection Graphics Objects | |
| 456 | |
| 457 Plots in Octave are constructed from the following @dfn{graphics | |
| 458 objects}. Each graphics object has a set of properties that define its | |
| 459 appearance and may also contain links to other graphics objects. | |
| 460 Graphics objects are only referenced by a numeric index, or @dfn{handle}. | |
| 461 | |
| 462 @table @asis | |
| 463 @item root figure | |
| 8071 | 464 @cindex root figure graphics object |
| 465 @cindex graphics object, root figure | |
| 6888 | 466 The parent of all figure objects. The index for the root figure is |
| 467 defined to be 0. | |
| 468 | |
| 469 @item figure | |
| 8071 | 470 @cindex figure graphics object |
| 471 @cindex graphics object, figure | |
| 6888 | 472 A figure window. |
| 473 | |
| 474 @item axes | |
| 8071 | 475 @cindex axes graphics object |
| 476 @cindex graphics object, axes | |
| 6888 | 477 An set of axes. This object is a child of a figure object and may be a |
| 478 parent of line, text, image, patch, or surface objects. | |
| 479 | |
| 480 @item line | |
| 8071 | 481 @cindex line graphics object |
| 482 @cindex graphics object, line | |
| 6888 | 483 A line in two or three dimensions. |
| 484 | |
| 485 @item text | |
| 8071 | 486 @cindex text graphics object |
| 487 @cindex graphics object, text | |
| 6888 | 488 Text annotations. |
| 489 | |
| 490 @item image | |
| 8071 | 491 @cindex image graphics object |
| 492 @cindex graphics object, image | |
| 6888 | 493 A bitmap image. |
| 494 | |
| 495 @item patch | |
| 8071 | 496 @cindex patch graphics object |
| 497 @cindex graphics object, patch | |
| 6888 | 498 A filled polygon, currently limited to two dimensions. |
| 499 | |
| 500 @item surface | |
| 8071 | 501 @cindex surface graphics object |
| 502 @cindex graphics object, surface | |
| 6888 | 503 A three-dimensional surface. |
| 504 @end table | |
| 505 | |
| 506 To determine whether an object is a graphics object index or a figure | |
| 507 index, use the functions @code{ishandle} and @code{isfigure}. | |
| 508 | |
| 509 @DOCSTRING(ishandle) | |
| 510 | |
| 511 @DOCSTRING(isfigure) | |
| 512 | |
| 513 The function @code{gcf} returns an index to the current figure object, | |
| 514 or creates one if none exists. Similarly, @code{gca} returns the | |
| 515 current axes object, or creates one (and its parent figure object) if | |
| 516 none exists. | |
| 517 | |
| 518 @DOCSTRING(gcf) | |
| 519 | |
| 520 @DOCSTRING(gca) | |
| 521 | |
| 522 The @code{get} and @code{set} functions may be used to examine and set | |
| 523 properties for graphics objects. For example, | |
| 524 | |
| 525 @example | |
| 526 @group | |
| 527 get (0) | |
| 528 @result{} ans = | |
| 529 @{ | |
| 530 type = root figure | |
| 531 currentfigure = [](0x0) | |
| 532 children = [](0x0) | |
| 533 visible = on | |
| 534 @} | |
| 535 @end group | |
| 536 @end example | |
| 537 | |
| 538 @noindent | |
| 539 returns a structure containing all the properties of the root figure. | |
| 540 As with all functions in Octave, the structure is returned by value, so | |
| 541 modifying it will not modify the internal root figure plot object. To | |
| 542 do that, you must use the @code{set} function. Also, note that in this | |
| 543 case, the @code{currentfigure} property is empty, which indicates that | |
| 544 there is no current figure window. | |
| 545 | |
| 546 The @code{get} function may also be used to find the value of a single | |
| 547 property. For example, | |
| 548 | |
| 549 @example | |
| 550 @group | |
| 551 get (gca (), "xlim") | |
| 552 @result{} [ 0 1 ] | |
| 553 @end group | |
| 554 @end example | |
| 555 | |
| 556 @noindent | |
| 557 returns the range of the x-axis for the current axes object in the | |
| 558 current figure. | |
| 559 | |
| 560 To set graphics object properties, use the set function. For example, | |
| 561 | |
| 562 @example | |
| 563 set (gca (), "xlim", [-10, 10]); | |
| 564 @end example | |
| 565 | |
| 566 @noindent | |
| 567 sets the range of the x-axis for the current axes object in the current | |
| 568 figure to @samp{[-10, 10]}. Additionally, calling set with a graphics | |
| 569 object index as the only argument returns a structure containing the | |
| 570 default values for all the properties for the given object type. For | |
| 571 example, | |
| 572 | |
| 573 @example | |
| 574 set (gca ()) | |
| 575 @end example | |
| 576 | |
| 577 @noindent | |
| 578 returns a structure containing the default property values for axes | |
| 579 objects. | |
| 580 | |
| 581 @DOCSTRING(get) | |
| 582 | |
| 583 @DOCSTRING(set) | |
| 584 | |
| 585 @DOCSTRING(ancestor) | |
| 586 | |
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587 @DOCSTRING(allchild) |
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588 |
| 6888 | 589 You can create axes, line, and patch objects directly using the |
| 590 @code{axes}, @code{line}, and @code{patch} functions. These objects | |
| 591 become children of the current axes object. | |
| 592 | |
| 593 @DOCSTRING(axes) | |
| 594 | |
| 595 @DOCSTRING(line) | |
| 596 | |
| 597 @DOCSTRING(patch) | |
| 598 | |
| 7120 | 599 @DOCSTRING(surface) |
| 600 | |
| 6888 | 601 By default, Octave refreshes the plot window when a prompt is printed, |
| 602 or when waiting for input. To force an update at other times, call the | |
| 603 @code{drawnow} function. | |
| 604 | |
| 605 @DOCSTRING(drawnow) | |
| 606 | |
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607 Only figures that are modified will be updated. The @code{refresh} |
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608 function can also be to force an update of the current figure, even if |
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609 it is nor modified. |
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610 |
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611 @DOCSTRING(refresh) |
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612 |
| 6888 | 613 Normally, high-level plot functions like @code{plot} or @code{mesh} call |
| 614 @code{newplot} to initialize the state of the current axes so that the | |
| 615 next plot is drawn in a blank window with default property settings. To | |
| 616 have two plots superimposed over one another, call the @code{hold} | |
| 617 function. For example, | |
| 618 | |
| 619 @example | |
| 620 @group | |
| 621 hold ("on"); | |
| 622 x = -10:0.1:10; | |
| 623 plot (x, sin (x)); | |
| 624 plot (x, cos (x)); | |
| 625 hold ("off"); | |
| 626 @end group | |
| 627 @end example | |
| 628 | |
| 629 @noindent | |
| 630 displays sine and cosine waves on the same axes. If the hold state is | |
| 631 off, consecutive plotting commands like this will only display the last | |
| 632 plot. | |
| 633 | |
| 634 @DOCSTRING(newplot) | |
| 635 | |
| 636 @DOCSTRING(hold) | |
| 637 | |
| 638 @DOCSTRING(ishold) | |
| 639 | |
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640 To clear the current figure, call the @code{clf} function. To clear the |
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641 current axis, call the @code{cla} function. To bring the current fingure |
| 6888 | 642 to the top of the window stack, call the @code{shg} function. To delete |
| 643 a graphics object, call @code{delete} on its index. To close the | |
| 644 figure window, call the @code{close} function. | |
| 645 | |
| 646 @DOCSTRING(clf) | |
| 647 | |
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648 @DOCSTRING(cla) |
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649 |
| 6888 | 650 @DOCSTRING(shg) |
| 651 | |
| 652 @DOCSTRING(delete) | |
| 653 | |
| 654 @DOCSTRING(close) | |
| 655 | |
| 656 @DOCSTRING(closereq) | |
| 657 | |
| 658 @node Graphics Object Properties | |
| 659 @subsection Graphics Object Properties | |
| 660 @cindex graphics object properties | |
| 661 | |
| 662 @menu | |
| 663 * Root Figure Properties:: | |
| 6889 | 664 * Figure Properties:: |
| 6888 | 665 * Axes Properties:: |
| 666 * Line Properties:: | |
| 667 * Text Properties:: | |
| 668 * Image Properties:: | |
| 669 * Patch Properties:: | |
| 670 * Surface Properties:: | |
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671 * Searching Properties:: |
| 6888 | 672 @end menu |
| 673 | |
| 674 @node Root Figure Properties | |
| 675 @subsubsection Root Figure Properties | |
| 676 | |
| 677 @table @code | |
| 678 @item currentfigure | |
| 6889 | 679 Index to graphics object for the current figure. |
| 680 | |
| 681 @c FIXME -- does this work? | |
| 682 @c @item visible | |
| 683 @c Either @code{"on"} or @code{"off"} to toggle display of figures. | |
| 6888 | 684 @end table |
| 685 | |
| 6889 | 686 @node Figure Properties |
| 687 @subsubsection Figure Properties | |
| 8071 | 688 @cindex figure properties |
| 6888 | 689 |
| 690 @table @code | |
| 691 @item nextplot | |
| 6889 | 692 May be one of |
| 693 @table @code | |
| 694 @item "new" | |
| 695 @item "add" | |
| 696 @item "replace" | |
| 697 @item "replacechildren" | |
| 698 @end table | |
| 699 | |
| 6888 | 700 @item closerequestfcn |
| 6889 | 701 Handle of function to call when a figure is closed. |
| 702 | |
| 6888 | 703 @item currentaxes |
| 6889 | 704 Index to graphics object of current axes. |
| 705 | |
| 6888 | 706 @item colormap |
| 6889 | 707 An N-by-3 matrix containing the color map for the current axes. |
| 708 | |
| 6888 | 709 @item visible |
| 6889 | 710 Either @code{"on"} or @code{"off"} to toggle display of the figure. |
| 711 | |
| 6888 | 712 @item paperorientation |
| 6889 | 713 Indicates the orientation for printing. Either @code{"landscape"} or |
| 714 @code{"portrait"}. | |
| 6888 | 715 @end table |
| 716 | |
| 717 @node Axes Properties | |
| 718 @subsubsection Axes Properties | |
| 8071 | 719 @cindex axes properties |
| 6888 | 720 |
| 721 @table @code | |
| 722 @item position | |
| 8071 | 723 A vector specifying the position of the plot, excluding titles, axes and |
| 724 legend. The four elements of the vector are the coordinates of the | |
| 725 lower left corner and width and height of the plot, in units normalized | |
| 726 to the width and height of the plot window. For example, @code{[0.2, | |
| 727 0.3, 0.4, 0.5]} sets the lower left corner of the axes at @math{(0.2, | |
| 728 0.3)} and the width and height to be 0.4 and 0.5 respectively. See also | |
| 729 the @code{outerposition} property. | |
| 6889 | 730 |
| 6888 | 731 @item title |
| 6889 | 732 Index of text object for the axes title. |
| 733 | |
| 6888 | 734 @item box |
| 6889 | 735 Either @code{"on"} or @code{"off"} to toggle display of the box around |
| 736 the axes. | |
| 737 | |
| 6888 | 738 @item key |
| 6889 | 739 Either @code{"on"} or @code{"off"} to toggle display of the legend. |
| 740 Note that this property is not compatible with @sc{Matlab} and may be | |
| 741 removed in a future version of Octave. | |
| 742 | |
| 6888 | 743 @item keybox |
| 6889 | 744 Either @code{"on"} or @code{"off"} to toggle display of a box around the |
| 745 legend. Note that this property is not compatible with @sc{Matlab} and | |
| 746 may be removed in a future version of Octave. | |
| 747 | |
| 6888 | 748 @item keypos |
| 6889 | 749 An integer from 1 to 4 specifying the position of the legend. 1 |
| 750 indicates upper right corner, 2 indicates upper left, 3 indicates lower | |
| 751 left, and 4 indicates lower right. Note that this property is not | |
| 752 compatible with @sc{Matlab} and may be removed in a future version of | |
| 753 Octave. | |
| 754 | |
| 6888 | 755 @item dataaspectratio |
| 6889 | 756 A two-element vector specifying the relative height and width of the |
| 757 data displayed in the axes. Setting @code{dataaspectratio} to @samp{1, | |
| 758 2]} causes the length of one unit as displayed on the y axis to be the | |
| 759 same as the length of 2 units on the x axis. Setting | |
| 760 @code{dataaspectratio} also forces the @code{dataaspectratiomode} | |
| 761 property to be set to @code{"manual"}. | |
| 762 | |
| 6888 | 763 @item dataaspectratiomode |
| 6889 | 764 Either @code{"manual"} or @code{"auto"}. |
| 765 | |
| 6888 | 766 @item xlim |
| 767 @itemx ylim | |
| 768 @itemx zlim | |
| 769 @itemx clim | |
| 6889 | 770 Two-element vectors defining the limits for the x, y, and z axes and the |
| 771 Setting one of these properties also forces the corresponding mode | |
| 772 property to be set to @code{"manual"}. | |
| 773 | |
| 6888 | 774 @item xlimmode |
| 775 @itemx ylimmode | |
| 776 @itemx zlimmode | |
| 777 @itemx climmode | |
| 6889 | 778 Either @code{"manual"} or @code{"auto"}. |
| 779 | |
| 6888 | 780 @item xlabel |
| 781 @itemx ylabel | |
| 782 @itemx zlabel | |
| 6889 | 783 Indices to text objects for the axes labels. |
| 784 | |
| 6888 | 785 @item xgrid |
| 786 @itemx ygrid | |
| 787 @itemx zgrid | |
| 6889 | 788 Either @code{"on"} or @code{"off"} to toggle display of grid lines. |
| 789 | |
| 6888 | 790 @item xminorgrid |
| 791 @itemx yminorgrid | |
| 792 @itemx zminorgrid | |
| 6889 | 793 Either @code{"on"} or @code{"off"} to toggle display of minor grid lines. |
| 794 | |
| 6888 | 795 @item xtick |
| 796 @itemx ytick | |
| 797 @itemx ztick | |
| 6889 | 798 Setting one of these properties also forces the corresponding mode |
| 799 property to be set to @code{"manual"}. | |
| 800 | |
| 6888 | 801 @item xtickmode |
| 802 @itemx ytickmode | |
| 803 @itemx ztickmode | |
| 6889 | 804 Either @code{"manual"} or @code{"auto"}. |
| 805 | |
| 6888 | 806 @item xticklabel |
| 807 @itemx yticklabel | |
| 808 @itemx zticklabel | |
| 6889 | 809 Setting one of these properties also forces the corresponding mode |
| 810 property to be set to @code{"manual"}. | |
| 811 | |
| 6888 | 812 @item xticklabelmode |
| 813 @itemx yticklabelmode | |
| 814 @itemx zticklabelmode | |
| 6889 | 815 Either @code{"manual"} or @code{"auto"}. |
| 816 | |
| 6888 | 817 @item xscale |
| 818 @itemx yscale | |
| 819 @itemx zscale | |
| 6889 | 820 Either @code{"linear"} or @code{"log"}. |
| 821 | |
| 6888 | 822 @item xdir |
| 823 @itemx ydir | |
| 824 @itemx zdir | |
| 6889 | 825 Either @code{"forward"} or @code{"reverse"}. |
| 826 | |
| 6888 | 827 @item xaxislocation |
| 828 @itemx yaxislocation | |
| 6889 | 829 Either @code{"top"} or @code{"bottom"} for the x axis and @code{"left"} |
| 830 or @code{"right"} for the y axis. | |
| 831 | |
| 6888 | 832 @item view |
| 6889 | 833 A three element vector specifying the view point for three-dimensional plots. |
| 834 | |
| 6888 | 835 @item visible |
| 6889 | 836 Either @code{"on"} or @code{"off"} to toggle display of the axes. |
| 837 | |
| 6888 | 838 @item nextplot |
| 6889 | 839 May be one of |
| 840 @table @code | |
| 841 @item "new" | |
| 842 @item "add" | |
| 843 @item "replace" | |
| 844 @item "replacechildren" | |
| 845 @end table | |
| 846 | |
| 6888 | 847 @item outerposition |
| 8071 | 848 A vector specifying the position of the plot, including titles, axes and |
| 849 legend. The four elements of the vector are the coordinates of the | |
| 850 lower left corner and width and height of the plot, in units normalized | |
| 851 to the width and height of the plot window. For example, @code{[0.2, | |
| 852 0.3, 0.4, 0.5]} sets the lower left corner of the axes at @math{(0.2, | |
| 853 0.3)} and the width and height to be 0.4 and 0.5 respectively. See also | |
| 854 the @code{position} property. | |
| 6888 | 855 @end table |
| 856 | |
| 857 @node Line Properties | |
| 858 @subsubsection Line Properties | |
| 8071 | 859 @cindex line properties |
| 6888 | 860 |
| 861 @table @code | |
| 862 @itemx xdata | |
| 863 @itemx ydata | |
| 864 @itemx zdata | |
| 865 @itemx ldata | |
| 866 @itemx udata | |
| 867 @itemx xldata | |
| 868 @itemx xudata | |
| 6889 | 869 The data to be plotted. The @code{ldata} and @code{udata} elements are |
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870 for errorbars in the y direction, and the @code{xldata} and @code{xudata} |
| 6889 | 871 elements are for errorbars in the x direction. |
| 872 | |
| 6888 | 873 @item color |
| 6889 | 874 The RGB color of the line, or a color name. @xref{Colors}. |
| 875 | |
| 6888 | 876 @item linestyle |
| 6889 | 877 @itemx linewidth |
| 878 @xref{Line Styles}. | |
| 879 | |
| 6888 | 880 @item marker |
| 881 @item markeredgecolor | |
| 882 @item markerfacecolor | |
| 883 @item markersize | |
| 6889 | 884 @xref{Marker Styles}. |
| 885 | |
| 6888 | 886 @item keylabel |
| 6889 | 887 The text of the legend entry corresponding to this line. Note that this |
| 888 property is not compatible with @sc{Matlab} and may be removed in a | |
| 889 future version of Octave. | |
| 6888 | 890 @end table |
| 891 | |
| 892 @node Text Properties | |
| 893 @subsubsection Text Properties | |
| 8071 | 894 @cindex text properties |
| 6888 | 895 |
| 896 @table @code | |
| 897 @item string | |
| 6889 | 898 The character string contained by the text object. |
| 899 | |
| 6888 | 900 @item units |
| 6889 | 901 May be @code{"normalized"} or @code{"graph"}. |
| 902 | |
| 6888 | 903 @item position |
| 6889 | 904 The coordinates of the text object. |
| 905 | |
| 6888 | 906 @item rotation |
| 6889 | 907 The angle of rotation for the displayed text, measured in degrees. |
| 908 | |
| 6888 | 909 @item horizontalalignment |
| 6889 | 910 May be @code{"left"}, @code{"center"}, or @code{"right"}. |
| 911 | |
| 6888 | 912 @item color |
| 6889 | 913 The color of the text. @xref{Colors}. |
| 7189 | 914 |
| 915 @item fontname | |
| 916 The font used for the text. | |
| 917 | |
| 918 @item fontsize | |
| 919 The size of the font, in points to use. | |
| 920 | |
| 921 @item fontangle | |
| 922 Flag whether the font is italic or normal. Valid values are 'normal', | |
| 923 'italic' and 'oblique'. | |
| 924 | |
| 925 @item fontweight | |
| 926 Flag whether the font is bold, etc. Valid values are 'normal', 'bold', | |
| 927 'demi' or 'light'. | |
| 928 | |
| 929 @item interpreter | |
| 930 Determines how the text is rendered. Valid values are 'none', 'tex' or | |
| 931 'latex'. | |
| 6888 | 932 @end table |
| 933 | |
| 7189 | 934 All text objects, including titles, labels, legends, and text, include |
| 935 the property 'interpreter', this property determines the manner in which | |
| 936 special control sequences in the text are rendered. If the interpreter | |
| 937 is set to 'none', then no rendering occurs. At this point the 'latex' | |
| 938 option is not implemented and so the 'latex' interpreter also does not | |
| 939 interpret the text. | |
| 940 | |
| 941 The 'tex' option implements a subset of @sc{TeX} functionality in the | |
| 942 rendering of the text. This allows the insertion of special characters | |
| 943 such as Greek or mathematical symbols within the text. The special | |
| 944 characters are also inserted with a code starting with the back-slash | |
| 945 (\) character, as in the table @ref{tab:extended}. | |
| 946 | |
|
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947 In addition, the formatting of the text can be changed within the string |
| 7189 | 948 with the codes |
| 949 | |
| 950 @multitable @columnfractions .2 .2 .6 .2 | |
| 951 @item @tab \bf @tab Bold font @tab | |
| 952 @item @tab \it @tab Italic font @tab | |
| 953 @item @tab \sl @tab Oblique Font @tab | |
| 954 @item @tab \rm @tab Normal font @tab | |
| 955 @end multitable | |
| 956 | |
| 957 These are be used in conjunction with the @{ and @} characters to limit | |
| 958 the change in the font to part of the string. For example | |
| 959 | |
| 960 @example | |
| 961 xlabel ('@{\bf H@} = a @{\bf V@}') | |
| 962 @end example | |
| 963 | |
| 964 where the character 'a' will not appear in a bold font. Note that to | |
| 965 avoid having Octave interpret the backslash characters in the strings, | |
| 966 the strings should be in single quotes. | |
| 967 | |
| 968 It is also possible to change the fontname and size within the text | |
| 969 | |
| 970 @multitable @columnfractions .1 .4 .6 .1 | |
| 971 @item @tab \fontname@{@var{fontname}@} @tab Specify the font to use @tab | |
| 972 @item @tab \fontsize@{@var{size}@} @tab Specify the size of the font to | |
| 973 use @tab | |
| 974 @end multitable | |
| 975 | |
| 976 Finally, the superscript and subscripting can be controlled with the '^' | |
| 977 and '_' characters. If the '^' or '_' is followed by a @{ character, | |
| 978 then all of the block surrounded by the @{ @} pair is super- or | |
| 979 sub-scripted. Without the @{ @} pair, only the character immediately | |
| 980 following the '^' or '_' is super- or sub-scripted. | |
| 981 | |
| 982 @float Table,tab:extended | |
| 983 @iftex | |
| 984 @tex | |
| 985 \vskip 6pt | |
| 986 {\hbox to \hsize {\hfill\vbox{\offinterlineskip \tabskip=0pt | |
| 987 \halign{ | |
| 988 \vrule height2.0ex depth1.ex width 0.6pt #\tabskip=0.3em & | |
| 989 # \hfil & \vrule # & # \hfil & # \vrule & | |
| 990 # \hfil & \vrule # & # \hfil & # \vrule & | |
| 991 # \hfil & \vrule # & # \hfil & # \vrule | |
| 992 width 0.6pt \tabskip=0pt\cr | |
| 993 \noalign{\hrule height 0.6pt} | |
| 994 & Code && Sym && Code && Sym && Code && Sym &\cr | |
| 995 \noalign{\hrule} | |
|
7608
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996 & $\backslash$forall && $\forall$ |
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997 && $\backslash$exists && $\exists$ |
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998 && $\backslash$ni && $\ni$ &\cr |
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999 & $\backslash$cong && $\cong$ |
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1000 && $\backslash$Delta && $\Delta$ |
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1001 && $\backslash$Phi && $\Phi$ &\cr |
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1002 & $\backslash$Gamma && $\Gamma$ |
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1003 && $\backslash$vartheta && $\vartheta$ |
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1004 && $\backslash$Lambda && $\Lambda$ &\cr |
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1005 & $\backslash$Pi && $\Pi$ |
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1006 && $\backslash$Theta && $\Theta$ |
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1007 && $\backslash$Sigma && $\Sigma$ &\cr |
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1008 & $\backslash$varsigma && $\varsigma$ |
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1009 && $\backslash$Omega && $\Omega$ |
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1010 && $\backslash$Xi && $\Xi$ &\cr |
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1011 & $\backslash$Psi && $\Psi$ |
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1012 && $\backslash$perp && $\perp$ |
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1013 && $\backslash$alpha && $\alpha$ &\cr |
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1014 & $\backslash$beta && $\beta$ |
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1015 && $\backslash$chi && $\chi$ |
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1016 && $\backslash$delta && $\delta$ &\cr |
|
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1017 & $\backslash$epsilon && $\epsilon$ |
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1018 && $\backslash$phi && $\phi$ |
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1019 && $\backslash$gamma && $\gamma$ &\cr |
|
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1020 & $\backslash$eta && $\eta$ |
|
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1021 && $\backslash$iota && $\iota$ |
|
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1022 && $\backslash$varphi && $\varphi$ &\cr |
|
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1023 & $\backslash$kappa && $\kappa$ |
|
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1024 && $\backslash$lambda && $\lambda$ |
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1025 && $\backslash$mu && $\mu$ &\cr |
|
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1026 & $\backslash$nu && $\nu$ |
|
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1027 && $\backslash$o && $\o$ |
|
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1028 && $\backslash$pi && $\pi$ &\cr |
|
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1029 & $\backslash$theta && $\theta$ |
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1030 && $\backslash$rho && $\rho$ |
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1031 && $\backslash$sigma && $\sigma$ &\cr |
|
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1032 & $\backslash$tau && $\tau$ |
|
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1033 && $\backslash$upsilon && $\upsilon$ |
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1034 && $\backslash$varpi && $\varpi$ &\cr |
|
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1035 & $\backslash$omega && $\omega$ |
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1036 && $\backslash$xi && $\xi$ |
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1037 && $\backslash$psi && $\psi$ &\cr |
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1038 & $\backslash$zeta && $\zeta$ |
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1039 && $\backslash$sim && $\sim$ |
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1040 && $\backslash$Upsilon && $\Upsilon$ &\cr |
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1041 & $\backslash$prime && $\prime$ |
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|
1042 && $\backslash$leq && $\leq$ |
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1043 && $\backslash$infty && $\infty$ &\cr |
|
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1044 & $\backslash$clubsuit && $\clubsuit$ |
|
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|
1045 && $\backslash$diamondsuit && $\diamondsuit$ |
|
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1046 && $\backslash$heartsuit && $\heartsuit$ &\cr |
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1047 & $\backslash$spadesuit && $\spadesuit$ |
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1048 && $\backslash$leftrightarrow && $\leftrightarrow$ |
|
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1049 && $\backslash$leftarrow && $\leftarrow$ &\cr |
|
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1050 & $\backslash$uparrow && $\uparrow$ |
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1051 && $\backslash$rightarrow && $\rightarrow$ |
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1052 && $\backslash$downarrow && $\downarrow$ &\cr |
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1053 & $\backslash$circ && $\circ$ |
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1054 && $\backslash$pm && $\pm$ |
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1055 && $\backslash$geq && $\geq$ &\cr |
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1056 & $\backslash$times && $\times$ |
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1057 && $\backslash$propto && $\propto$ |
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1058 && $\backslash$partial && $\partial$ &\cr |
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1059 & $\backslash$bullet && $\bullet$ |
|
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1060 && $\backslash$div && $\div$ |
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1061 && $\backslash$neq && $\neq$ &\cr |
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1062 & $\backslash$equiv && $\equiv$ |
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1063 && $\backslash$approx && $\approx$ |
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1064 && $\backslash$ldots && $\ldots$ &\cr |
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1065 & $\backslash$mid && $\mid$ |
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1066 && $\backslash$aleph && $\aleph$ |
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1067 && $\backslash$Im && $\Im$ &\cr |
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1068 & $\backslash$Re && $\Re$ |
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1069 && $\backslash$wp && $\wp$ |
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|
1070 && $\backslash$otimes && $\otimes$ &\cr |
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|
1071 & $\backslash$oplus && $\oplus$ |
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|
1072 && $\backslash$oslash && $\oslash$ |
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1073 && $\backslash$cap && $\cap$ &\cr |
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1074 & $\backslash$cup && $\cup$ |
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|
1075 && $\backslash$supset && $\supset$ |
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1076 && $\backslash$supseteq && $\supseteq$ &\cr |
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1077 & $\backslash$subset && $\subset$ |
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1078 && $\backslash$subseteq && $\subseteq$ |
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1079 && $\backslash$in && $\in$ &\cr |
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1080 & $\backslash$notin && $\notin$ |
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1081 && $\backslash$angle && $\angle$ |
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1082 && $\backslash$bigtriangledown && $\bigtriangledown$ &\cr |
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1083 & $\backslash$langle && $\langle$ |
|
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1084 && $\backslash$rangle && $\rangle$ |
|
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1085 && $\backslash$nabla && $\nabla$ &\cr |
|
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1086 & $\backslash$prod && $\prod$ |
|
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1087 && $\backslash$surd && $\surd$ |
|
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1088 && $\backslash$cdot && $\cdot$ &\cr |
|
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1089 & $\backslash$neg && $\neg$ |
|
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1090 && $\backslash$wedge && $\wedge$ |
|
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1091 && $\backslash$vee && $\vee$ &\cr |
|
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1092 & $\backslash$Leftrightarrow && $\Leftrightarrow$ |
|
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1093 && $\backslash$Leftarrow && $\Leftarrow$ |
|
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1094 && $\backslash$Uparrow && $\Uparrow$ &\cr |
|
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1095 & $\backslash$Rightarrow && $\Rightarrow$ |
|
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1096 && $\backslash$Downarrow && $\Downarrow$ |
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1097 && $\backslash$diamond && $\diamond$ &\cr |
|
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1098 & $\backslash$copyright && $\copyright$ |
|
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1099 && $\backslash$rfloor && $\rfloor$ |
|
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1100 && $\backslash$lceil && $\lceil$ &\cr |
|
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1101 & $\backslash$lfloor && $\lfloor$ |
|
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1102 && $\backslash$rceil && $\rceil$ |
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1103 && $\backslash$int && $\int$ &\cr |
| 7189 | 1104 \noalign{\hrule height 0.6pt} |
| 1105 }}\hfill}} | |
| 1106 @end tex | |
| 1107 @end iftex | |
| 1108 @ifnottex | |
| 1109 @multitable @columnfractions .125 .25 .25 .25 .125 | |
|
7608
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1110 @item @tab \forall @tab \exists @tab \ni @tab |
|
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1111 @item @tab \cong @tab \Delta @tab \Phi @tab |
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1112 @item @tab \Gamma @tab \vartheta @tab \Lambda @tab |
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1113 @item @tab \Pi @tab \Theta @tab \Sigma @tab |
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1114 @item @tab \varsigma @tab \Omega @tab \Xi @tab |
|
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1115 @item @tab \Psi @tab \perp @tab \alpha @tab |
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1116 @item @tab \beta @tab \chi @tab \delta @tab |
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1117 @item @tab \epsilon @tab \phi @tab \gamma @tab |
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1118 @item @tab \eta @tab \iota @tab \varphi @tab |
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1119 @item @tab \kappa @tab \lambda @tab \mu @tab |
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1120 @item @tab \nu @tab \o @tab \pi @tab |
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1121 @item @tab \theta @tab \rho @tab \sigma @tab |
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1122 @item @tab \tau @tab \upsilon @tab \varpi @tab |
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1123 @item @tab \omega @tab \xi @tab \psi @tab |
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1124 @item @tab \zeta @tab \sim @tab \Upsilon @tab |
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1125 @item @tab \prime @tab \leq @tab \infty @tab |
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1126 @item @tab \clubsuit @tab \diamondsuit @tab \heartsuit @tab |
|
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1127 @item @tab \spadesuit @tab \leftrightarrow @tab \leftarrow @tab |
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1128 @item @tab \uparrow @tab \rightarrow @tab \downarrow @tab |
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1129 @item @tab \circ @tab \pm @tab \geq @tab |
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1130 @item @tab \times @tab \propto @tab \partial @tab |
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1131 @item @tab \bullet @tab \div @tab \neq @tab |
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1132 @item @tab \equiv @tab \approx @tab \ldots @tab |
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1133 @item @tab \mid @tab \aleph @tab \Im @tab |
|
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1134 @item @tab \Re @tab \wp @tab \otimes @tab |
|
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1135 @item @tab \oplus @tab \oslash @tab \cap @tab |
|
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1136 @item @tab \cup @tab \supset @tab \supseteq @tab |
|
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1137 @item @tab \subset @tab \subseteq @tab \in @tab |
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1138 @item @tab \notin @tab \angle @tab \bigrightriangledown @tab |
|
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1139 @item @tab \langle @tab \rangle @tab \nabla @tab |
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1140 @item @tab \prod @tab \surd @tab \cdot @tab |
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1141 @item @tab \neg @tab \wedge @tab \vee @tab |
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1142 @item @tab \Leftrightarrow @tab \Leftarrow @tab \Uparrow @tab |
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1143 @item @tab \Rightarrow @tab \Downarrow @tab \diamond @tab |
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1144 @item @tab \copyright @tab \lfloor @tab \lceil @tab |
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1145 @item @tab \rfloor @tab \rceil @tab \int @tab |
| 7189 | 1146 @end multitable |
| 1147 @end ifnottex | |
| 1148 @caption{Available special characters in @sc{TeX} mode} | |
| 1149 @end float | |
| 1150 | |
| 1151 A complete example showing the capabilities of the extended text is | |
| 1152 | |
| 1153 @example | |
| 1154 @group | |
| 1155 x = 0:0.01:3; | |
| 1156 plot(x,erf(x)); | |
| 1157 hold on; | |
| 1158 plot(x,x,"r"); | |
| 1159 axis([0, 3, 0, 1]); | |
| 1160 text(0.65, 0.6175, strcat('\leftarrow x = @{2/\surd\pi', | |
| 1161 ' @{\fontsize@{16@}\int_@{\fontsize@{8@}0@}^@{\fontsize@{8@}x@}@}', | |
| 1162 ' e^@{-t^2@} dt@} = 0.6175')) | |
| 1163 @end group | |
| 1164 @end example | |
| 1165 | |
| 1166 @ifnotinfo | |
| 1167 @noindent | |
| 1168 The result of which can be seen in @ref{fig:extendedtext} | |
| 1169 | |
| 1170 @float Figure,fig:extendedtext | |
| 1171 @image{extended,8cm} | |
| 1172 @caption{Example of inclusion of text with the @sc{TeX} interpreter} | |
| 1173 @end float | |
| 1174 @end ifnotinfo | |
| 1175 | |
| 6888 | 1176 @node Image Properties |
| 1177 @subsubsection Image Properties | |
| 8071 | 1178 @cindex image properties |
| 6888 | 1179 |
| 1180 @table @code | |
| 1181 @item cdata | |
| 6889 | 1182 The data for the image. Each pixel of the image corresponds to an |
| 1183 element of @code{cdata}. The value of an element of @code{cdata} | |
| 1184 specifies the row-index into the colormap of the axes object containing | |
| 1185 the image. The color value found in the color map for the given index | |
| 1186 determines the color of the pixel. | |
| 1187 | |
| 1188 @item xdata | |
| 6888 | 1189 @itemx ydata |
| 7001 | 1190 Two-element vectors specifying the range of the x- and y- coordinates for |
| 6889 | 1191 the image. |
| 6888 | 1192 @end table |
| 1193 | |
| 1194 @node Patch Properties | |
| 1195 @subsubsection Patch Properties | |
| 8071 | 1196 @cindex patch properties |
| 6888 | 1197 |
| 1198 @table @code | |
| 1199 @item cdata | |
| 1200 @itemx xdata | |
| 1201 @itemx ydata | |
| 1202 @itemx zdata | |
| 6889 | 1203 Data defining the patch object. |
| 1204 | |
| 6888 | 1205 @item facecolor |
| 6889 | 1206 The fill color of the patch. @xref{Colors}. |
| 1207 | |
| 6888 | 1208 @item facealpha |
| 6889 | 1209 A number in the range [0, 1] indicating the transparency of the patch. |
| 1210 | |
| 6888 | 1211 @item edgecolor |
| 6889 | 1212 The color of the line defining the patch. @xref{Colors}. |
| 1213 | |
| 6888 | 1214 @item linestyle |
| 6889 | 1215 @itemx linewidth |
| 1216 @xref{Line Styles}. | |
| 1217 | |
| 6888 | 1218 @item marker |
| 6889 | 1219 @itemx markeredgecolor |
| 1220 @itemx markerfacecolor | |
| 1221 @itemx markersize | |
| 1222 @xref{Marker Styles}. | |
| 6888 | 1223 @end table |
| 1224 | |
| 1225 @node Surface Properties | |
| 1226 @subsubsection Surface Properties | |
| 8071 | 1227 @cindex surface properties |
| 6888 | 1228 |
| 1229 @table @code | |
| 1230 @item xdata | |
| 1231 @itemx ydata | |
| 1232 @itemx zdata | |
| 6889 | 1233 The data determining the surface. The @code{xdata} and @code{ydata} |
| 1234 elements are vectors and @code{zdata} must be a matrix. | |
| 1235 | |
| 6888 | 1236 @item keylabel |
| 6889 | 1237 The text of the legend entry corresponding to this surface. Note that |
| 1238 this property is not compatible with @sc{Matlab} and may be removed in a | |
| 1239 future version of Octave. | |
| 1240 @end table | |
| 1241 | |
|
8070
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1242 @node Searching Properties |
|
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1243 @subsubsection Searching Properties |
|
7984
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1244 |
|
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1245 @DOCSTRING(findobj) |
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1246 |
|
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1247 @DOCSTRING(findall) |
|
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1248 |
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1249 |
| 6891 | 1250 @node Managing Default Properties |
| 1251 @subsection Managing Default Properties | |
| 8071 | 1252 @cindex default graphics properties |
| 1253 @cindex graphics properties, default | |
| 6891 | 1254 |
| 6892 | 1255 Object properties have two classes of default values, @dfn{factory |
| 1256 defaults} (the initial values) and @dfn{user-defined defaults}, which | |
| 1257 may override the factory defaults. | |
| 6891 | 1258 |
| 1259 Although default values may be set for any object, they are set in | |
| 1260 parent objects and apply to child objects. For example, | |
| 1261 | |
| 1262 @example | |
| 1263 set (0, "defaultlinecolor", "green"); | |
| 1264 @end example | |
| 1265 | |
| 1266 @noindent | |
| 1267 sets the default line color for all objects. The rule for constructing | |
| 1268 the property name to set a default value is | |
| 1269 | |
| 1270 @example | |
| 1271 default + @var{object-type} + @var{property-name} | |
| 1272 @end example | |
| 1273 | |
| 1274 This rule can lead to some strange looking names, for example | |
| 1275 @code{defaultlinelinewidth"} specifies the default @code{linewidth} | |
| 1276 property for @code{line} objects. | |
| 1277 | |
| 1278 The example above used the root figure object, 0, so the default | |
| 1279 property value will apply to all line objects. However, default values | |
| 1280 are hierarchical, so defaults set in a figure objects override those | |
| 1281 set in the root figure object. Likewise, defaults set in axes objects | |
| 1282 override those set in figure or root figure objects. For example, | |
| 1283 | |
| 1284 @example | |
| 1285 @group | |
| 1286 subplot (2, 1, 1); | |
| 1287 set (0, "defaultlinecolor", "red"); | |
| 1288 set (1, "defaultlinecolor", "green"); | |
| 1289 set (gca (), "defaultlinecolor", "blue"); | |
| 1290 line (1:10, rand (1, 10)); | |
| 1291 subplot (2, 1, 2); | |
| 1292 line (1:10, rand (1, 10)); | |
| 1293 figure (2) | |
| 1294 line (1:10, rand (1, 10)); | |
| 1295 @end group | |
| 1296 @end example | |
| 1297 | |
| 1298 @noindent | |
| 1299 produces two figures. The line in first subplot window of the first | |
| 1300 figure is blue because it inherits its color from its parent axes | |
| 1301 object. The line in the second subplot window of the first figure is | |
| 1302 green because it inherits its color from its parent figure object. The | |
| 1303 line in the second figure window is red because it inherits its color | |
| 1304 from the global root figure parent object. | |
| 1305 | |
| 1306 To remove a user-defined default setting, set the default property to | |
| 1307 the value @code{"remove"}. For example, | |
| 1308 | |
| 1309 @example | |
| 1310 set (gca (), "defaultlinecolor", "remove"); | |
| 1311 @end example | |
| 1312 | |
| 1313 @noindent | |
| 1314 removes the user-defined default line color setting from the current axes | |
| 1315 object. | |
| 1316 | |
| 1317 Getting the @code{"default"} property of an object returns a list of | |
| 1318 user-defined defaults set for the object. For example, | |
| 1319 | |
| 1320 @example | |
| 1321 get (gca (), "default"); | |
| 1322 @end example | |
| 1323 | |
| 1324 @noindent | |
| 1325 returns a list of user-defined default values for the current axes | |
| 1326 object. | |
| 1327 | |
| 1328 Factory default values are stored in the root figure object. The | |
| 1329 command | |
| 1330 | |
| 1331 @example | |
| 1332 get (0, "factory"); | |
| 1333 @end example | |
| 1334 | |
| 1335 @noindent | |
| 1336 returns a list of factory defaults. | |
| 1337 | |
| 6889 | 1338 @node Colors |
| 1339 @subsection Colors | |
| 8071 | 1340 @cindex graphics colors |
| 1341 @cindex colors, graphics | |
| 6889 | 1342 |
| 1343 Colors may be specified as RGB triplets with values ranging from zero to | |
| 1344 one, or by name. Recognized color names include @code{"blue"}, | |
| 1345 @code{"black"}, @code{"cyan"}, @code{"green"}, @code{"magenta"}, | |
| 1346 @code{"red"}, @code{"white"}, and @code{"yellow"}. | |
| 1347 | |
| 1348 @node Line Styles | |
| 1349 @subsection Line Styles | |
| 8071 | 1350 @cindex line styles, graphics |
| 1351 @cindex graphics line styles | |
| 1352 | |
| 7001 | 1353 Line styles are specified by the following properties: |
| 6889 | 1354 |
| 1355 @table @code | |
| 1356 @item linestyle | |
| 1357 May be one of | |
| 1358 @table @code | |
| 1359 @item "-" | |
| 1360 Solid lines. | |
| 1361 @item "--" | |
| 1362 Dashed lines. | |
| 1363 @item ":" | |
| 1364 Points. | |
| 1365 @item "-." | |
| 1366 A dash-dot line. | |
| 1367 @end table | |
| 1368 | |
| 1369 @item linewidth | |
| 1370 A number specifying the width of the line. The default is 1. A value | |
| 1371 of 2 is twice as wide as the default, etc. | |
| 1372 @end table | |
| 1373 | |
| 1374 @node Marker Styles | |
| 1375 @subsection Marker Styles | |
| 8071 | 1376 @cindex graphics marker styles |
| 1377 @cindex marker styles, graphics | |
| 1378 | |
| 7001 | 1379 Marker styles are specified by the following properties: |
| 6889 | 1380 @table @code |
| 1381 @item marker | |
| 1382 A character indicating a plot marker to be place at each data point, or | |
| 1383 @code{"none"}, meaning no markers should be displayed. | |
| 1384 | |
| 1385 @itemx markeredgecolor | |
| 1386 The color of the edge around the marker, or @code{"auto"}, meaning that | |
| 1387 the edge color is the same as the face color. @xref{Colors}. | |
| 1388 | |
| 1389 @itemx markerfacecolor | |
| 1390 The color of the marker, or @code{"none"} to indicate that the marker | |
| 1391 should not be filled. @xref{Colors}. | |
| 1392 | |
| 1393 @itemx markersize | |
| 1394 A number specifying the size of the marker. The default is 1. A value | |
| 1395 of 2 is twice as large as the default, etc. | |
| 6888 | 1396 @end table |
| 1397 | |
|
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1398 @node Callbacks |
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1399 @subsection Callbacks |
| 8071 | 1400 @cindex callbacks |
|
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1401 |
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1402 Callback functions can be associated with graphics objects and triggered |
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1403 after certain events occur. The basic structure of all callback function |
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1404 is |
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1405 |
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1406 @example |
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1407 @group |
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1408 function mycallback (src, data) |
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1409 @dots{} |
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1410 endfunction |
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1411 @end group |
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1412 @end example |
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1413 |
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1414 where @code{src} gives a handle to the source of the callback, and |
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1415 @code{code} gives some event specific data. This can then be associated |
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1416 with an object either at the objects creation or later with the |
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1417 @code{set} function. For example |
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1418 |
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1419 @example |
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1420 plot (x, "DeleteFcn", @@(s, e) disp("Window Deleted")) |
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1421 @end example |
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1422 |
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1423 @noindent |
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1424 where at the moment that the plot is deleted, the message "Window |
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1425 Deleted" will be displayed. |
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1426 |
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1427 Additional user arguments can be passed to callback functions, and will |
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1428 be passed after the 2 default arguments. For example |
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1429 |
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1430 @example |
| 8057 | 1431 plot (x, "DeleteFcn", @{@@mycallback, "1"@}) |
|
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1432 @dots{} |
| 8057 | 1433 function mycallback (src, data, a1) |
|
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1434 fprintf ("Closing plot %d\n", a1); |
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1435 endfunction |
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1436 @end example |
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1437 |
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1438 The basic callback functions that are available for all graphics objects |
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1439 are |
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1440 |
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1441 @itemize @bullet |
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1442 @item CreateFcn |
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1443 This is the callback that is called at the moment of the objects |
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1444 creation. It is not called if the object is altered in any way, and so |
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1445 it only makes sense to define this callback in the function call that |
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1446 defines the object. Callbacks that are added to @code{CreateFcn} later with |
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1447 the @code{set} function will never be executed. |
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1448 |
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1449 @item DeleteFcn |
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1450 This is the callback that is called at the moment an object is deleted. |
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1451 |
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1452 @item ButtonDownFcn |
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1453 This is the callback that is called if a mouse button is pressed while |
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1454 the pointer is over this object. Note, that the gnuplot interface does |
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1455 not respect this callback. |
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1456 @end itemize |
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1457 |
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1458 The object and figure that the event occurred in that resulted in the |
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1459 callback being called can be found with the @code{gcbo} and @code{gcbf} |
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1460 functions. |
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1461 |
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1462 @DOCSTRING(gcbo) |
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1463 |
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1464 @DOCSTRING(gcbf) |
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1465 |
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1466 Callbacks can equally be added to properties with the @code{addlistener} |
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1467 function described below. |
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1468 |
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1469 @node Object Groups |
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1470 @subsection Object Groups |
| 8071 | 1471 @cindex object groups |
|
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1472 |
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1473 A number of Octave high level plot functions return groups of other |
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1474 graphics objects or they return graphics objects that are have their |
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1475 properties linked in such a way that changes to one of the properties |
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1476 results in changes in the others. A graphic object that groups other |
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1477 objects is an @code{hggroup} |
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1478 |
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1479 @DOCSTRING(hggroup) |
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1480 |
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1481 For example a simple use of a @code{hggroup} might be |
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1482 |
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1483 @example |
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1484 @group |
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1485 x = 0:0.1:10; |
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1486 hg = hggroup (); |
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1487 plot (x, sin (x), "color", [1, 0, 0], "parent", hg); |
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1488 hold on |
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1489 plot (x, cos (x), "color", [0, 1, 0], "parent", hg); |
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1490 set (hg, "visible", "off"); |
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1491 @end group |
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1492 @end example |
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1493 |
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1494 @noindent |
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1495 which groups the two plots into a single object and contols their |
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1496 visiblity directly. The default properties of an @code{hggroup} are |
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1497 the same as the set of common properties for the other graphics |
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1498 objects. Additional properties can be added with the @code{addproperty} |
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1499 function. |
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1500 |
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1501 @DOCSTRING(addproperty) |
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1502 |
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1503 Once a property in added to an @code{hggroup}, it is not linked to any |
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1504 other property of either the children of the group, or any other |
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1505 graphics object. Add so to control the way in which this newly added |
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1506 property is used, the @code{addlistener} function is used to define a |
|
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1507 callback function that is executed when the property is altered. |
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David Bateman <dbateman@free.fr>
parents:
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|
1508 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1509 @DOCSTRING(addlistener) |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1510 |
|
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Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1511 An example of the use of these two functions might be |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1512 |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1513 @example |
|
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Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1514 @group |
|
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Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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|
1515 x = 0:0.1:10; |
|
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Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1516 hg = hggroup (); |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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|
1517 h = plot (x, sin (x), "color", [1, 0, 0], "parent", hg); |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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|
1518 addproperty ("linestyle", hg, "linelinestyle", get (h, "linestyle")); |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1519 addlistener (hg, "linestyle", @@update_props); |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1520 hold on |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1521 plot (x, cos (x), "color", [0, 1, 0], "parent", hg); |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1522 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1523 function update_props (h, d) |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1524 set (get (h, "children"), "linestyle", get (h, "linestyle")); |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1525 endfunction |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1526 @end group |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1527 @end example |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1528 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1529 @noindent |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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|
1530 that adds a @code{linestyle} property to the @code{hggroup} and |
|
8070
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|
1531 propagating any changes its its value to the children of the group. The |
|
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David Bateman <dbateman@free.fr>
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|
1532 @code{linkprop} function can be used to simplify the above to be |
|
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|
1533 |
|
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David Bateman <dbateman@free.fr>
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|
1534 @example |
|
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changeset
|
1535 @group |
|
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|
1536 x = 0:0.1:10; |
|
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|
1537 hg = hggroup (); |
|
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|
1538 h1 = plot (x, sin (x), "color", [1, 0, 0], "parent", hg); |
|
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|
1539 addproperty ("linestyle", hg, "linelinestyle", get (h, "linestyle")); |
|
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David Bateman <dbateman@free.fr>
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|
1540 hold on |
|
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David Bateman <dbateman@free.fr>
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|
1541 h2 = plot (x, cos (x), "color", [0, 1, 0], "parent", hg); |
|
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|
1542 hlink = linkprop ([hg, h1, h2], "color"); |
|
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David Bateman <dbateman@free.fr>
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|
1543 @end group |
|
3b53b25e2550
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changeset
|
1544 @end example |
|
3b53b25e2550
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changeset
|
1545 |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1546 @DOCSTRING(linkprop) |
|
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David Bateman <dbateman@free.fr>
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|
1547 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1548 These capabilities are used in a number of basic graphics objects. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1549 The @code{hggroup} objects created by the functions of Octave contain |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1550 one or more graphics object and are used to: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1551 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1552 @itemize @bullet |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1553 @item group together multiple graphics objects, |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1554 @item create linked properties between different graphics objects, and |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1555 @item to hide the nominal user data, from the actual data of the objects. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1556 @end itemize |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1557 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1558 @noindent |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1559 For example the @code{stem} function creates a stem series where each |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1560 @code{hggroup} of the stem series contains two line objects representing |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1561 the body and head of the stem. The @code{ydata} property of the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1562 @code{hggroup} of the stem series represents the head of the stem, |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1563 whereas the body of the stem is between the baseline and this value. For |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1564 example |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1565 |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1566 @example |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1567 @group |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1568 h = stem (1:4) |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1569 get (h, "xdata") |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1570 @result{} [ 1 2 3 4]' |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1571 get (get (h, "children")(1), "xdata") |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1572 @result{} [ 1 1 NaN 2 2 NaN 3 3 NaN 4 4 NaN]' |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1573 @end group |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1574 @end example |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1575 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1576 @noindent |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1577 shows the the difference between the @code{xdata} of the @code{hggroup} |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1578 of a stem series object and the underlying line. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1579 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1580 The basic properties of such group objects is that they consist of one |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1581 or more linked @code{hggroup}, and that changes in certain properties of |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1582 these groups are propagated to other members of the group. Whereas, |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1583 certain properties of the members of the group only apply to the current |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1584 member. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1585 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1586 In addition the members of the group can also be linked to other |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1587 graphics objects through callback functions. For example the baseline of |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1588 the @code{bar} or @code{stem} functions is a line object, whose length |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1589 and position are automatically adjusted, based on changes to the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1590 corresponding hggroup elements. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1591 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1592 @menu |
|
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|
1593 * Data sources in object groups:: |
|
8056
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1594 * Area series:: |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1595 * Bar series:: |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1596 * Contour groups:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1597 * Error bar series:: |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1598 * Line series:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1599 * Quiver group:: |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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|
1600 * Scatter group:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1601 * Stair group:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1602 * Stem Series:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1603 * Surface group:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1604 @end menu |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1605 |
|
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changeset
|
1606 @node Data sources in object groups |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1607 @subsubsection Data sources in object groups |
| 8071 | 1608 @cindex data sources in object groups |
|
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Add data sources and line series
David Bateman <dbateman@free.fr>
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changeset
|
1609 |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1610 All of the group objects contain data source parameters. There are |
|
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Add data sources and line series
David Bateman <dbateman@free.fr>
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diff
changeset
|
1611 string parameters that contain an expression that is evaluated to update |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1612 the relevant data property of the group when the @code{refreshdata} |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1613 function is called. |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1614 |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1615 @DOCSTRING(refreshdata) |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1616 |
|
8286
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Thorsten Meyer <thorsten.meyier@gmx.de>
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|
1617 @anchor{doc-linkdata} |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1618 @c add the description of the linkdata function here when it is written |
|
8286
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Thorsten Meyer <thorsten.meyier@gmx.de>
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changeset
|
1619 @c remove the explicit anchor when you add the corresponding @DOCSTRING |
|
6f2d95255911
fix @seealso references to point to existing anchors
Thorsten Meyer <thorsten.meyier@gmx.de>
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|
1620 @c command |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1621 |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1622 @node Area series |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1623 @subsubsection Area series |
| 8071 | 1624 @cindex series objects |
| 1625 @cindex area series | |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1626 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1627 Area series objects are created by the @code{area} function. Each of the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1628 @code{hggroup} elements contains a single patch object. The properties |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1629 of the area series are |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1630 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1631 @table @code |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1632 @item basevalue |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1633 The value where the base of the area plot is drawn. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1634 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1635 @item linewidth |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1636 @itemx linestyle |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1637 The line width and style of the edge of the patch objects making up the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1638 areas. @xref{Line Styles}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1639 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1640 @item edgecolor |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1641 @itemx facecolor |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1642 The line and fill color of the patch objects making up the areas. @xref{Colors}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1643 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1644 @item xdata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1645 @itemx ydata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1646 The x and y coordinates of the original columns of the data passed to |
|
8325
b93ac0586e4b
spelling corrections
Brian Gough<bjg@network-theory.co.uk>
parents:
8297
diff
changeset
|
1647 @code{area} prior to the cumulative summation used in the @code{area} |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1648 function. |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1649 |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1650 @item xdatasource |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1651 @itemx ydatasource |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1652 Data source variables. |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1653 @end table |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1654 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1655 @node Bar series |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1656 @subsubsection Bar series |
| 8071 | 1657 @cindex series objects |
| 1658 @cindex bar series | |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1659 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1660 Bar series objects are created by the @code{bar} or @code{barh} |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1661 functions. Each @code{hgrroup} element contains a single patch object. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1662 The properties of the bar series are |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1663 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1664 @table @code |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1665 @item showbaseline |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1666 @itemx baseline |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1667 @itemx basevalue |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1668 The property @code{showbaseline} flags whether the baseline of the bar |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1669 series is displayed (default is "on"). The handle of the graphics object |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1670 representing the baseline is given by the @code{baseline} property and |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1671 the y-value of the baseline by the @code{basevalue} property. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1672 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1673 Changes to any of these property are propagated to the other members of |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1674 the bar series and to the baseline itself. Equally changes in the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1675 properties of the base line itself are propagated to the members of the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1676 corresponding bar series. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1677 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1678 @item barwidth |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1679 @itemx barlayout |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1680 @itemx horizontal |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1681 The property @code{barwidth} is the width of the bar corresponding to |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1682 the @var{width} variable passed to @code{bar} or @var{barh}. Whether the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1683 bar series is "grouped" or "stacked" is determined by the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1684 @code{barlayout} property and whether the bars are horizontal or |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1685 vertical by the @code{horizontal} property. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1686 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1687 Changes to any of these property are propagated to the other members of |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1688 the bar series. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1689 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1690 @item linewidth |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1691 @itemx linestyle |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1692 The line width and style of the edge of the patch objects making up the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1693 bars. @xref{Line Styles}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1694 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1695 @item edgecolor |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1696 @itemx facecolor |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1697 The line and fill color of the patch objects making up the bars. @xref{Colors}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1698 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1699 @item xdata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1700 The nominal x positions of the bars. Changes in this property and |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1701 propagated to the other members of the bar series. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1702 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1703 @item ydata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1704 The y value of the bars in the @code{hggroup}. |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1705 |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1706 @item xdatasource |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1707 @itemx ydatasource |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1708 Data source variables. |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1709 @end table |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1710 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1711 @node Contour groups |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1712 @subsubsection Contour groups |
| 8071 | 1713 @cindex series objects |
| 1714 @cindex contour series | |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1715 |
|
8289
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1716 Contour group objects are created by the @code{contour}, @code{contourf} |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1717 and @code{contour3} functions. The are equally one of the handles returned |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1718 by the @code{surfc} and @code{meshc} functions. The properties of the contour |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1719 group are |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1720 |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1721 @table @code |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1722 @item contourmatrix |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1723 A read only property that contains the data return by @code{contourc} used to |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1724 create the contours of the plot. |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1725 |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1726 @item fill |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1727 A radio property that can have the values "on" or "off" that flags whether the |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1728 contours to plot are to be filled. |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1729 |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1730 @item zlevelmode |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1731 @itemx zlevel |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1732 The radio property @code{zlevelmode} can have the values "none", "auto" or |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1733 "manual". When its value is "none" there is no z component to the plotted |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1734 contours. When its value is "auto" the z value of the plotted contours is |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1735 at the same value as the contour itself. If the value is "manual", then the |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1736 z value at which to plot the contour is determined by the @code{zlevel} |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1737 property. |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
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changeset
|
1738 |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
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diff
changeset
|
1739 @item levellistmode |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1740 @itemx levellist |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1741 @itemx levelstepmode |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1742 @itemx levelstep |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1743 If @code{levellistmode} is "manual", then the levels at whch to plot the |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1744 contours is determined by @code{levellist}. If @code{levellistmode} is |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1745 set to "auto", then the distance between contours is determined by |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1746 @code{levelstep}. If both @code{levellistmode} and @code{levelstepmode} |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1747 are set to "auto", then there are assumed to be 10 equal spaced contours. |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1748 |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1749 @item textlistmode |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1750 @itemx textlist |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1751 @itemx textstepmode |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1752 @itemx textstep |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1753 If @code{textlistmode} is "manual", then the labelled contours |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1754 is determined by @code{textlist}. If @code{textlistmode} is set to |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1755 "auto", then the distance between labelled contours is determined by |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1756 @code{textstep}. If both @code{textlistmode} and @code{textstepmode} |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1757 are set to "auto", then there are assumed to be 10 equal spaced |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1758 labelled contours. |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1759 |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1760 @item showtext |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1761 Flag whether the contour labels are shown or not. |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1762 |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1763 @item labelspacing |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1764 The distance between labels on a single contour in points. |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1765 |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1766 @item linewidth |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1767 @item linestyle |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1768 @item linecolor |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1769 The properties of the contour lines. The properties @code{linewidth} and |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1770 @code{linestyle} are similar to the correponding properties for lines. The |
| 8297 | 1771 property @code{linecolor} is a color property (@pxref{Colors}), that can also |
|
8289
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1772 have the values of "none" or "auto". If @code{linecolor} is "none", then no |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1773 contour line is drawn. If @code{linecolor} is "auto" then the line color is |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1774 determined by the colormap. |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1775 |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1776 @item xdata |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1777 @itemx ydata |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
8286
diff
changeset
|
1778 @itemx zdata |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1779 The original x, y, and z data of the contour lines. |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1780 |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1781 @item xdatasource |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
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|
1782 @itemx ydatasource |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
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|
1783 @itemx zdatasource |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1784 Data source variables. |
|
ac7f334d9652
Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1785 @end table |
|
8056
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1786 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1787 @node Error bar series |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1788 @subsubsection Error bar series |
| 8071 | 1789 @cindex series objects |
| 1790 @cindex error bar series | |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1791 |
| 8258 | 1792 Error bar series are created by the @code{errorbar} function. Each |
| 1793 @code{hgrroup} element contains two line objects represnting the data and | |
| 1794 the errorbars separately. The properties of the error bar series are | |
| 1795 | |
| 1796 @table @code | |
| 1797 @item color | |
| 1798 The RGB color or color name of the line objects of the error bars. @xref{Colors}. | |
| 1799 | |
| 1800 @item linewidth | |
| 1801 @itemx linestyle | |
| 1802 The line width and style of the line objects of the error bars. @xref{Line Styles}. | |
| 1803 | |
| 1804 @item marker | |
| 1805 @itemx markeredgecolor | |
| 1806 @itemx markerfacecolor | |
| 1807 @itemx markersize | |
| 1808 The line and fill color of the markers on the error bars. @xref{Colors}. | |
| 1809 | |
| 1810 @item xdata | |
| 1811 @itemx ydata | |
| 1812 @itemx ldata | |
| 1813 @itemx udata | |
| 1814 @itemx xldata | |
| 1815 @itemx xudata | |
| 1816 The original x, y, l, u, xl, xu data of the error bars. | |
| 1817 | |
| 1818 @item xdatasource | |
| 1819 @itemx ydatasource | |
| 1820 @itemx ldatasource | |
| 1821 @itemx udatasource | |
| 1822 @itemx xldatasource | |
| 1823 @itemx xudatasource | |
| 1824 Data source variables. | |
| 1825 @end table | |
| 1826 | |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1827 @node Line series |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1828 @subsubsection Line series |
| 8071 | 1829 @cindex series objects |
| 1830 @cindex line series | |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1831 |
| 8257 | 1832 Line series objects are created by the @code{plot} and @code{plot3} |
| 1833 functions and are of the type @code{line}. The properties of the | |
| 1834 line series with the ability to add data sources. | |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1835 |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1836 @table @code |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1837 @item color |
| 8257 | 1838 The RGB color or color name of the line objects. @xref{Colors}. |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1839 |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1840 @item linewidth |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1841 @itemx linestyle |
| 8257 | 1842 The line width and style of the line objects. @xref{Line Styles}. |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1843 |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1844 @item marker |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1845 @itemx markeredgecolor |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1846 @itemx markerfacecolor |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1847 @itemx markersize |
| 8257 | 1848 The line and fill color of the markers. @xref{Colors}. |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1849 |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1850 @item xdata |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1851 @itemx ydata |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1852 @itemx zdata |
| 8257 | 1853 The original x, y and z data. |
|
8070
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Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1854 |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1855 @item xdatasource |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1856 @itemx ydatasource |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1857 @itemx zdatasource |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1858 Data source variables. |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1859 @end table |
|
8056
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David Bateman <dbateman@free.fr>
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changeset
|
1860 |
|
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Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1861 @node Quiver group |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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|
1862 @subsubsection Quiver group |
| 8071 | 1863 @cindex group objects |
| 1864 @cindex quiver group | |
|
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David Bateman <dbateman@free.fr>
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diff
changeset
|
1865 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1866 Quiver series objects are created by the @code{quiver} or @code{quiver3} |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1867 functions. Each @code{hggroup} element of the series contains three line |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1868 objects as children representing the body and head of the arrow, |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1869 together with a marker as the point of original of the arrows. The |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1870 properties of the quiver series are |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1871 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1872 @table @code |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1873 @item autoscale |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1874 @itemx autoscalefactor |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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diff
changeset
|
1875 Flag whether the length of the arrows is scaled or defined directly from |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1876 the @var{u}, @var{v} and @var{w} data. If the arrow length is falgged |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1877 as being scaled by the @code{autoscale} property, then the length of the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1878 autoscaled arrow is controlled by the @code{autoscalefactor}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1879 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1880 @item maxheadsize |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1881 This property controls the size of the head of the arrows in the quiver |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1882 series. The default value is 0.2. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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diff
changeset
|
1883 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1884 @item showarrowhead |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1885 Flag whether the arrow heads are displayed in the quiver plot. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1886 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1887 @item color |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1888 The RGB color or color name of the line objects of the quiver. @xref{Colors}. |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1889 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1890 @item linewidth |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1891 @itemx linestyle |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
8055
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changeset
|
1892 The line width and style of the line objects of the quiver. @xref{Line Styles}. |
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1893 |
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1894 @item marker |
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1895 @itemx markerfacecolor |
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1896 @itemx markersize |
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1897 The line and fill color of the marker objects at the original of the |
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1898 arrows. @xref{Colors}. |
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1899 |
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1900 @item xdata |
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1901 @itemx ydata |
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1902 @itemx zdata |
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1903 The origins of the values of the vector field. |
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1904 |
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1905 @item udata |
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1906 @itemx vdata |
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1907 @itemx wdata |
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1908 The values of the vector field to plot. |
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1909 |
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1910 @item xdatasource |
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1911 @itemx ydatasource |
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1912 @itemx zdatasource |
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1913 @itemx udatasource |
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1914 @itemx vdatasource |
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1915 @itemx wdatasource |
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1916 Data source variables. |
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1917 @end table |
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1918 |
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1919 @node Scatter group |
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1920 @subsubsection Scatter group |
| 8071 | 1921 @cindex group objects |
| 1922 @cindex scatter group | |
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1923 |
| 8257 | 1924 Scatter series objects are created by the @code{scatter} or @code{scatter3} |
| 1925 functions. A single hggroup element contains as many children as there are | |
| 1926 points in the scatter plot, with each child representing one of the points. | |
| 1927 The properties of the stem series are | |
| 1928 | |
| 1929 @table @code | |
| 1930 @item linewidth | |
| 1931 The line width of the line objects of the points. @xref{Line Styles}. | |
| 1932 | |
| 1933 @item marker | |
| 1934 @itemx markeredgecolor | |
| 1935 @itemx markerfacecolor | |
| 1936 The line and fill color of the markers of the points. @xref{Colors}. | |
| 1937 | |
| 1938 @item xdata | |
| 1939 @itemx ydata | |
| 1940 @itemx zdata | |
| 1941 The original x, y and z data of the stems. | |
| 1942 | |
| 1943 @item cdata | |
| 1944 The color data for the points of the plot. Each point can have a separate | |
| 1945 color, or a unique color can be specified. | |
| 1946 | |
| 1947 @item sizedata | |
| 1948 The size data for the points of the plot. Each point can its own size or a | |
| 1949 unique size can be specified. | |
| 1950 | |
| 1951 @item xdatasource | |
| 1952 @itemx ydatasource | |
| 1953 @itemx zdatasource | |
| 1954 @itemx cdatasource | |
| 1955 @itemx sizedatasource | |
| 1956 Data source variables. | |
| 1957 @end table | |
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1958 |
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1959 @node Stair group |
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1960 @subsubsection Stair group |
| 8071 | 1961 @cindex group objects |
| 1962 @cindex stair group | |
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1963 |
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1964 Stair series objects are created by the @code{stair} function. Each |
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1965 @code{hggroup} element of the series contains a single line object as a |
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1966 child representing the stair. The properties of the stair series are |
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1967 |
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1968 @table @code |
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1969 @item color |
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1970 The RGB color or color name of the line objects of the stairs. @xref{Colors}. |
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1971 |
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1972 @item linewidth |
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1973 @itemx linestyle |
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1974 The line width and style of the line objects of the stairs. @xref{Line Styles}. |
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1975 |
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1976 @item marker |
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1977 @itemx markeredgecolor |
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1978 @itemx markerfacecolor |
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1979 @itemx markersize |
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1980 The line and fill color of the markers on the stairs. @xref{Colors}. |
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1981 |
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1982 @item xdata |
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1983 @itemx ydata |
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1984 The original x and y data of the stairs. |
|
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1985 |
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1986 @item xdatasource |
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1987 @itemx ydatasource |
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1988 Data source variables. |
|
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1989 @end table |
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1990 |
| 8073 | 1991 @node Stem Series |
| 1992 @subsubsection Stem Series | |
| 1993 @cindex series objects | |
| 1994 @cindex stem series | |
| 1995 | |
| 8257 | 1996 Stem series objects are created by the @code{stem} or @code{stem3} |
| 1997 functions. Each @code{hgrroup} element contains a single line object | |
| 1998 as a child respresenting the stems. The properties of the stem series | |
| 1999 are | |
| 2000 | |
| 2001 @table @code | |
| 2002 @item showbaseline | |
| 2003 @itemx baseline | |
| 2004 @itemx basevalue | |
| 2005 The property @code{showbaseline} flags whether the baseline of the | |
| 2006 stem series is displayed (default is "on"). The handle of the graphics | |
| 2007 object representing the baseline is given by the @code{baseline} | |
| 2008 property and the y-value (or z-value for @code{stem3}) of the baseline | |
| 2009 by the @code{basevalue} property. | |
| 2010 | |
| 2011 Changes to any of these property are propagated to the other members of | |
| 2012 the stem series and to the baseline itself. Equally changes in the | |
| 2013 properties of the base line itself are propagated to the members of the | |
| 2014 corresponding stem series. | |
| 2015 | |
| 2016 @item color | |
| 2017 The RGB color or color name of the line objects of the stems. @xref{Colors}. | |
| 2018 | |
| 2019 @item linewidth | |
| 2020 @itemx linestyle | |
| 2021 The line width and style of the line objects of the stems. @xref{Line Styles}. | |
| 2022 | |
| 2023 @item marker | |
| 2024 @itemx markeredgecolor | |
| 2025 @itemx markerfacecolor | |
| 2026 @itemx markersize | |
| 2027 The line and fill color of the markers on the stems. @xref{Colors}. | |
| 2028 | |
| 2029 @item xdata | |
| 2030 @itemx ydata | |
| 2031 @itemx zdata | |
| 2032 The original x, y and z data of the stems. | |
| 2033 | |
| 2034 @item xdatasource | |
| 2035 @itemx ydatasource | |
| 2036 @itemx zdatasource | |
| 2037 Data source variables. | |
| 2038 @end table | |
| 8073 | 2039 |
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2040 @node Surface group |
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2041 @subsubsection Surface group |
| 8071 | 2042 @cindex group objects |
| 2043 @cindex surface group | |
|
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2044 |
| 8257 | 2045 Surface group objects are created by the @code{surf} or @code{mesh} |
| 2046 functions, but are equally one of the handles returned by the @code{surfc} | |
| 2047 or @code{meshc} functions. The surface group is of the type @code{surface}. | |
| 2048 | |
| 2049 The properties of the surface group are | |
| 2050 | |
| 2051 @table @code | |
| 2052 @item edgecolor | |
| 2053 @item facecolor | |
| 2054 The RGB color or color name of the edges or faces of the surface. @xref{Colors}. | |
| 2055 | |
| 2056 @item linewidth | |
| 2057 @itemx linestyle | |
| 2058 The line width and style of the lines on the surface. @xref{Line Styles}. | |
| 2059 | |
| 2060 @item marker | |
| 2061 @itemx markeredgecolor | |
| 2062 @itemx markerfacecolor | |
| 2063 @itemx markersize | |
| 2064 The line and fill color of the markers on the surface. @xref{Colors}. | |
| 2065 | |
| 2066 @item xdata | |
| 2067 @itemx ydata | |
| 2068 @itemx zdata | |
| 2069 @item cdata | |
| 2070 The original x, y, z and c data. | |
| 2071 | |
| 2072 @item xdatasource | |
| 2073 @itemx ydatasource | |
| 2074 @itemx zdatasource | |
| 2075 @itemx cdatasource | |
| 2076 Data source variables. | |
| 2077 @end table | |
|
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2078 |
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|
2079 @node Graphics backends |
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2080 @subsection Graphics backends |
| 8071 | 2081 @cindex graphics backends |
| 2082 @cindex backends, graphics | |
|
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2083 |
| 8519 | 2084 @DOCSTRING(backend) |
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2085 |
|
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2086 @DOCSTRING(available_backends) |
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2087 |
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|
2088 @menu |
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|
2089 * Interaction with gnuplot:: |
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|
2090 @end menu |
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2091 |
| 4167 | 2092 @node Interaction with gnuplot |
|
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2093 @subsubsection Interaction with @code{gnuplot} |
| 8071 | 2094 @cindex gnuplot interaction |
| 3428 | 2095 |
| 2096 @DOCSTRING(gnuplot_binary) |