Mercurial > octave
annotate scripts/plot/appearance/axis.m @ 21808:a4c744194bbb
Add equal data aspect ratio to gnuplot graphics toolkit 3D plots (bug #47974).
* axis.m: Clarify meaning of 'square' and 'equal' in documentation. Remove
gnuplot-specific FIXME.
* __gnuplot_draw_axes__.m: Remove line of cruft for sz_str. If the plot is 3D
and data aspect ratio is equal in at least x-y dimensions, then set view
equal.
author | Daniel J Sebald <daniel.sebald@ieee.org> |
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date | Thu, 02 Jun 2016 11:06:56 -0500 |
parents | 89fa0694aa2e |
children | 9121d6584f6a |
rev | line source |
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1 ## Copyright (C) 1994-2015 John W. Eaton |
2313 | 2 ## |
3 ## This file is part of Octave. | |
4 ## | |
5 ## Octave is free software; you can redistribute it and/or modify it | |
6 ## under the terms of the GNU General Public License as published by | |
7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
8 ## your option) any later version. | |
2313 | 9 ## |
10 ## Octave is distributed in the hope that it will be useful, but | |
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 ## General Public License for more details. | |
14 ## | |
15 ## You should have received a copy of the GNU General Public License | |
7016 | 16 ## along with Octave; see the file COPYING. If not, see |
17 ## <http://www.gnu.org/licenses/>. | |
590 | 18 |
3368 | 19 ## -*- texinfo -*- |
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20 ## @deftypefn {} {} axis () |
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21 ## @deftypefnx {} {} axis ([@var{x}_lo @var{x}_hi]) |
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22 ## @deftypefnx {} {} axis ([@var{x}_lo @var{x}_hi @var{y}_lo @var{y}_hi]) |
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23 ## @deftypefnx {} {} axis ([@var{x}_lo @var{x}_hi @var{y}_lo @var{y}_hi @var{z}_lo @var{z}_hi]) |
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24 ## @deftypefnx {} {} axis (@var{option}) |
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25 ## @deftypefnx {} {} axis (@dots{}, @var{option}) |
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26 ## @deftypefnx {} {} axis (@var{hax}, @dots{}) |
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27 ## @deftypefnx {} {@var{limits} =} axis () |
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28 ## Set axis limits and appearance. |
3426 | 29 ## |
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30 ## The argument @var{limits} should be a 2-, 4-, or 6-element vector. The |
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31 ## first and second elements specify the lower and upper limits for the |
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32 ## x-axis. The third and fourth specify the limits for the y-axis, and the |
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33 ## fifth and sixth specify the limits for the z-axis. The special values |
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34 ## -Inf and Inf may be used to indicate that the limit should automatically be |
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35 ## computed based on the data in the axis. |
3426 | 36 ## |
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37 ## Without any arguments, @code{axis} turns autoscaling on. |
4945 | 38 ## |
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39 ## With one output argument, @code{@var{limits} = axis} returns the current |
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40 ## axis limits. |
3667 | 41 ## |
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42 ## The vector argument specifying limits is optional, and additional string |
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43 ## arguments may be used to specify various axis properties. For example, |
3667 | 44 ## |
45 ## @example | |
46 ## axis ([1, 2, 3, 4], "square"); | |
47 ## @end example | |
48 ## | |
49 ## @noindent | |
3668 | 50 ## forces a square aspect ratio, and |
51 ## | |
52 ## @example | |
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53 ## axis ("tic", "labely"); |
3668 | 54 ## @end example |
55 ## | |
56 ## @noindent | |
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57 ## turns tic marks on for all axes and tic mark labels on for the y-axis only. |
3667 | 58 ## |
59 ## @noindent | |
60 ## The following options control the aspect ratio of the axes. | |
61 ## | |
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62 ## @table @asis |
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63 ## @item @qcode{"square"} |
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64 ## Force a square axis aspect ratio. |
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65 ## |
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66 ## @item @qcode{"equal"} |
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67 ## Force x-axis unit distance to equal y-axis (and z-axis) unit distance. |
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68 ## |
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69 ## @item @qcode{"normal"} |
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70 ## Restore default aspect ratio. |
3667 | 71 ## @end table |
72 ## | |
73 ## @noindent | |
74 ## The following options control the way axis limits are interpreted. | |
75 ## | |
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76 ## @table @asis |
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77 ## @item @qcode{"auto"} |
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78 ## Set the specified axes to have nice limits around the data or all if no |
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79 ## axes are specified. |
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80 ## |
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81 ## @item @qcode{"manual"} |
3667 | 82 ## Fix the current axes limits. |
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83 ## |
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84 ## @item @qcode{"tight"} |
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85 ## Fix axes to the limits of the data. |
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86 ## |
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87 ## @item @qcode{"image"} |
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88 ## Equivalent to @qcode{"tight"} and @qcode{"equal"}. |
3667 | 89 ## @end table |
90 ## | |
91 ## @noindent | |
92 ## The following options affect the appearance of tic marks. | |
93 ## | |
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94 ## @table @asis |
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95 ## @item @qcode{"on"} |
3667 | 96 ## Turn tic marks and labels on for all axes. |
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97 ## |
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98 ## @item @qcode{"off"} |
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100 ## |
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101 ## @item @qcode{"tic[xyz]"} |
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102 ## Turn tic marks on for all axes, or turn them on for the specified axes and |
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103 ## off for the remainder. |
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104 ## |
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105 ## @item @qcode{"label[xyz]"} |
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106 ## Turn tic labels on for all axes, or turn them on for the specified axes |
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107 ## and off for the remainder. |
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108 ## |
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109 ## @item @qcode{"nolabel"} |
3667 | 110 ## Turn tic labels off for all axes. |
111 ## @end table | |
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112 ## |
3667 | 113 ## Note, if there are no tic marks for an axis, there can be no labels. |
114 ## | |
115 ## @noindent | |
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116 ## The following options affect the direction of increasing values on the axes. |
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118 ## @table @asis |
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119 ## @item @qcode{"ij"} |
3667 | 120 ## Reverse y-axis, so lower values are nearer the top. |
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121 ## |
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122 ## @item @qcode{"xy"} |
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123 ## Restore y-axis, so higher values are nearer the top. |
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125 ## |
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126 ## If the first argument @var{hax} is an axes handle, then operate on this |
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127 ## axes rather than the current axes returned by @code{gca}. |
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128 ## |
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129 ## @seealso{xlim, ylim, zlim, daspect, pbaspect, box, grid} |
3368 | 130 ## @end deftypefn |
590 | 131 |
2314 | 132 ## Author: jwe |
133 | |
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134 function limits = axis (varargin) |
590 | 135 |
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136 [hax, varargin, nargin] = __plt_get_axis_arg__ ("axis", varargin{:}); |
7216 | 137 |
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138 oldfig = []; |
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139 if (! isempty (hax)) |
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140 oldfig = get (0, "currentfigure"); |
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141 endif |
7215 | 142 unwind_protect |
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143 if (isempty (hax)) |
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144 hax = gca (); |
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145 endif |
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146 if (nargin == 0) |
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147 limits = __axis__ (hax, varargin{:}); |
7189 | 148 else |
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149 __axis__ (hax, varargin{:}); |
7189 | 150 endif |
7215 | 151 unwind_protect_cleanup |
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152 if (! isempty (oldfig)) |
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153 set (0, "currentfigure", oldfig); |
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154 endif |
7215 | 155 end_unwind_protect |
590 | 156 |
7189 | 157 endfunction |
158 | |
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159 function limits = __axis__ (ca, ax, varargin) |
7189 | 160 |
161 if (nargin == 1) | |
4945 | 162 if (nargout == 0) |
6257 | 163 set (ca, "xlimmode", "auto", "ylimmode", "auto", "zlimmode", "auto"); |
4945 | 164 else |
6257 | 165 xlim = get (ca, "xlim"); |
166 ylim = get (ca, "ylim"); | |
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167 view = get (ca, "view"); |
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168 if (view(2) == 90) |
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169 limits = [xlim, ylim]; |
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170 else |
10549 | 171 zlim = get (ca, "zlim"); |
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172 limits = [xlim, ylim, zlim]; |
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173 endif |
4945 | 174 endif |
3667 | 175 |
5443 | 176 elseif (ischar (ax)) |
4340 | 177 len = length (ax); |
3667 | 178 |
179 ## 'matrix mode' to reverse the y-axis | |
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180 if (strcmpi (ax, "ij")) |
6257 | 181 set (ca, "ydir", "reverse"); |
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182 elseif (strcmpi (ax, "xy")) |
6257 | 183 set (ca, "ydir", "normal"); |
3667 | 184 |
185 ## aspect ratio | |
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186 elseif (strcmpi (ax, "image")) |
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187 __axis__ (ca, "equal"); |
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188 set (ca, "plotboxaspectratiomode", "auto"); |
7376 | 189 __do_tight_option__ (ca); |
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190 elseif (strcmpi (ax, "square")) |
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191 set (ca, "dataaspectratiomode", "auto", |
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192 "plotboxaspectratio", [1, 1, 1]); |
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193 elseif (strcmp (ax, "equal")) |
18468 | 194 set (ca, "dataaspectratio", [1, 1, 1], "plotboxaspectratio", [5 4 4]); |
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195 |
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196 elseif (strcmpi (ax, "normal")) |
18468 | 197 ## Set plotboxaspectratio to something obtuse so that switching |
198 ## back to "auto" will force a re-calculation. | |
199 set (ca, "plotboxaspectratio", [3 2 1]); | |
200 set (ca, "plotboxaspectratiomode", "auto", | |
201 "dataaspectratiomode", "auto"); | |
3667 | 202 |
203 ## axis limits | |
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204 elseif (len >= 4 && strcmpi (ax(1:4), "auto")) |
4340 | 205 if (len > 4) |
10549 | 206 if (any (ax == "x")) |
207 set (ca, "xlimmode", "auto"); | |
208 endif | |
209 if (any (ax == "y")) | |
210 set (ca, "ylimmode", "auto"); | |
211 endif | |
212 if (any (ax == "z")) | |
213 set (ca, "zlimmode", "auto"); | |
214 endif | |
3667 | 215 else |
10549 | 216 set (ca, "xlimmode", "auto", "ylimmode", "auto", "zlimmode", "auto"); |
3667 | 217 endif |
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218 elseif (strcmpi (ax, "manual")) |
3667 | 219 ## fixes the axis limits, like axis(axis) should; |
6257 | 220 set (ca, "xlimmode", "manual", "ylimmode", "manual", "zlimmode", "manual"); |
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221 elseif (strcmpi (ax, "tight")) |
7376 | 222 ## sets the axis limits to the min and max of all data. |
223 __do_tight_option__ (ca); | |
3667 | 224 ## tic marks |
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225 elseif (strcmpi (ax, "on") || strcmpi (ax, "tic")) |
6257 | 226 set (ca, "xtickmode", "auto", "ytickmode", "auto", "ztickmode", "auto"); |
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227 if (strcmpi (ax, "on")) |
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228 set (ca, "xticklabelmode", "auto", "yticklabelmode", "auto", |
10549 | 229 "zticklabelmode", "auto"); |
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230 endif |
6765 | 231 set (ca, "visible", "on"); |
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232 elseif (strcmpi (ax, "off")) |
6257 | 233 set (ca, "xtick", [], "ytick", [], "ztick", []); |
6765 | 234 set (ca, "visible", "off"); |
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235 elseif (len > 3 && strcmpi (ax(1:3), "tic")) |
4340 | 236 if (any (ax == "x")) |
10549 | 237 set (ca, "xtickmode", "auto"); |
3667 | 238 else |
10549 | 239 set (ca, "xtick", []); |
3667 | 240 endif |
4340 | 241 if (any (ax == "y")) |
10549 | 242 set (ca, "ytickmode", "auto"); |
3667 | 243 else |
10549 | 244 set (ca, "ytick", []); |
3667 | 245 endif |
4340 | 246 if (any (ax == "z")) |
10549 | 247 set (ca, "ztickmode", "auto"); |
3667 | 248 else |
10549 | 249 set (ca, "ztick", []); |
3667 | 250 endif |
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251 elseif (strcmpi (ax, "label")) |
6257 | 252 set (ca, "xticklabelmode", "auto", "yticklabelmode", "auto", |
10549 | 253 "zticklabelmode", "auto"); |
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254 elseif (strcmpi (ax, "nolabel")) |
6257 | 255 set (ca, "xticklabel", "", "yticklabel", "", "zticklabel", ""); |
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256 elseif (len > 5 && strcmpi (ax(1:5), "label")) |
4340 | 257 if (any (ax == "x")) |
10549 | 258 set (ca, "xticklabelmode", "auto"); |
3667 | 259 else |
10549 | 260 set (ca, "xticklabel", ""); |
3667 | 261 endif |
4340 | 262 if (any (ax == "y")) |
10549 | 263 set (ca, "yticklabelmode", "auto"); |
3667 | 264 else |
10549 | 265 set (ca, "yticklabel", ""); |
3667 | 266 endif |
4340 | 267 if (any (ax == "z")) |
10549 | 268 set (ca, "zticklabelmode", "auto"); |
3667 | 269 else |
10549 | 270 set (ca, "zticklabel", ""); |
3667 | 271 endif |
272 | |
273 else | |
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274 warning ("axis: unknown option '%s'", ax); |
3667 | 275 endif |
276 | |
4030 | 277 elseif (isvector (ax)) |
590 | 278 |
279 len = length (ax); | |
280 | |
281 if (len != 2 && len != 4 && len != 6) | |
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282 error ("axis: LIMITS vector must have 2, 4, or 6 elements"); |
590 | 283 endif |
284 | |
5627 | 285 for i = 1:2:len |
13031 | 286 if (ax(i) >= ax(i+1)) |
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287 error ("axis: LIMITS(%d) must be less than LIMITS(%d)", i, i+1); |
5627 | 288 endif |
289 endfor | |
290 | |
590 | 291 if (len > 1) |
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292 xlim (ca, ax(1:2)); |
590 | 293 endif |
294 | |
295 if (len > 3) | |
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296 ylim (ca, ax(3:4)); |
590 | 297 endif |
298 | |
299 if (len > 5) | |
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300 zlim (ca, ax(5:6)); |
590 | 301 endif |
302 | |
303 else | |
595 | 304 error ("axis: expecting no args, or a vector with 2, 4, or 6 elements"); |
590 | 305 endif |
306 | |
7376 | 307 if (! isempty (varargin)) |
7189 | 308 __axis__ (ca, varargin{:}); |
3667 | 309 endif |
6447 | 310 |
590 | 311 endfunction |
3667 | 312 |
7376 | 313 function lims = __get_tight_lims__ (ca, ax) |
314 | |
315 ## Get the limits for axis ("tight"). | |
316 ## AX should be one of "x", "y", or "z". | |
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317 kids = findobj (ca, "-property", [ax "data"]); |
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318 ## The data properties for hggroups mirror their children. |
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319 ## Exclude the redundant hgroup values. |
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320 hg_kids = findobj (kids, "type", "hggroup"); |
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321 kids = setdiff (kids, hg_kids); |
7376 | 322 if (isempty (kids)) |
323 ## Return the current limits. | |
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324 lims = get (ca, [ax "lim"]); |
7376 | 325 else |
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326 data = get (kids, [ax "data"]); |
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327 types = get (kids, "type"); |
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328 |
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329 scale = get (ca, [ax "scale"]); |
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330 if (! iscell (data)) |
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331 data = {data}; |
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332 endif |
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333 |
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334 ## Extend image data one pixel |
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335 idx = strcmp (types, "image"); |
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336 if (any (idx) && (ax == "x" || ax == "y")) |
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337 imdata = data(idx); |
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338 px = arrayfun (@__image_pixel_size__, kids(idx), "uniformoutput", false); |
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339 ipx = ifelse (ax == "x", 1, 2); |
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340 imdata = cellfun (@(x,dx) [(min (x) - dx(ipx)), (max (x) + dx(ipx))], |
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341 imdata, px, "uniformoutput", false); |
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342 data(idx) = imdata; |
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343 endif |
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344 |
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345 if (strcmp (scale, "log")) |
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346 tmp = data; |
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347 data = cellfun (@(x) x(x>0), tmp, "uniformoutput", false); |
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348 n = cellfun ("isempty", data); |
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349 data(n) = cellfun (@(x) x(x<0), tmp(n), "uniformoutput", false); |
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350 endif |
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351 data = cellfun (@(x) x(isfinite (x)), data, "uniformoutput", false); |
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352 data = data(! cellfun ("isempty", data)); |
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353 if (! isempty (data)) |
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354 ## Change data from cell array of various sizes to a single column vector |
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355 data = cat (1, cellindexmat (data, ":"){:}); |
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356 lims = [min(data), max(data)]; |
7376 | 357 else |
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358 lims = [0, 1]; |
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359 endif |
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360 endif |
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361 |
7376 | 362 endfunction |
363 | |
364 function __do_tight_option__ (ca) | |
365 | |
17023 | 366 xlim = __get_tight_lims__ (ca, "x"); |
367 if (all (xlim == 0)) | |
368 xlim = eps () * [-1 1]; | |
369 elseif (diff (xlim == 0)) | |
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370 xlim .*= (1 + eps () * [-1, 1]); |
17023 | 371 endif |
372 ylim = __get_tight_lims__ (ca, "y"); | |
373 if (all (ylim == 0)) | |
374 ylim = eps () * [-1 1]; | |
375 elseif (diff (ylim == 0)) | |
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376 ylim .*= (1 + eps () * [-1, 1]); |
17023 | 377 endif |
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378 set (ca, "xlim", xlim, "ylim", ylim); |
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379 nd = __calc_dimensions__ (ca); |
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380 is3dview = (get (ca, "view")(2) != 90); |
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381 if (nd > 2 && is3dview) |
17023 | 382 zlim = __get_tight_lims__ (ca, "z"); |
383 if (all (zlim == 0)) | |
384 zlim = eps () * [-1 1]; | |
385 elseif (diff (zlim == 0)) | |
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386 zlim .*= (1 + eps () * [-1, 1]); |
17023 | 387 endif |
388 set (ca, "zlim", zlim); | |
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389 endif |
7376 | 390 |
391 endfunction | |
392 | |
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393 |
3667 | 394 %!demo |
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395 %! clf; |
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396 %! t = 0:0.01:2*pi; |
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397 %! x = sin (t); |
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398 %! |
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399 %! subplot (221); |
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400 %! plot (t, x); |
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401 %! title ('normal plot'); |
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402 %! |
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403 %! subplot (222); |
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404 %! plot (t, x); |
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405 %! title ('square plot'); |
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406 %! axis ('square'); |
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407 %! |
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408 %! subplot (223); |
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409 %! plot (t, x); |
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410 %! title ('equal plot'); |
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411 %! axis ('equal'); |
3667 | 412 %! |
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413 %! subplot (224); |
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414 %! plot (t, x); |
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415 %! title ('normal plot again'); |
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416 %! axis ('normal'); |
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417 |
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418 %!demo |
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419 %! clf; |
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420 %! t = 0:0.01:2*pi; |
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421 %! x = sin (t); |
3667 | 422 %! |
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423 %! subplot (121); |
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424 %! plot (t, x); |
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425 %! title ('ij plot'); |
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426 %! axis ('ij'); |
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427 %! |
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428 %! subplot (122); |
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429 %! plot (t, x); |
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430 %! title ('xy plot'); |
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431 %! axis ('xy'); |
3667 | 432 |
433 %!demo | |
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434 %! clf; |
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435 %! t = 0:0.01:2*pi; |
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436 %! x = sin (t); |
3667 | 437 %! |
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438 %! subplot (331); |
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439 %! plot (t, x); |
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440 %! title ('x tics and labels'); |
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441 %! axis ('ticx'); |
3667 | 442 %! |
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443 %! subplot (332); |
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444 %! plot (t, x); |
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445 %! title ('y tics and labels'); |
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446 %! axis ('ticy'); |
3667 | 447 %! |
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448 %! subplot (333); |
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449 %! plot (t, x); |
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450 %! title ('axis off'); |
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451 %! axis ('off'); |
3667 | 452 %! |
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453 %! subplot (334); |
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454 %! plot (t, x); |
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455 %! title ('x and y tics, x labels'); |
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456 %! axis ('labelx','tic'); |
3667 | 457 %! |
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458 %! subplot (335); |
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459 %! plot (t, x); |
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460 %! title ('x and y tics, y labels'); |
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461 %! axis ('labely','tic'); |
3667 | 462 %! |
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463 %! subplot (336); |
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464 %! plot (t, x); |
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465 %! title ('all tics but no labels'); |
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466 %! axis ('nolabel','tic'); |
3667 | 467 %! |
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468 %! subplot (337); |
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469 %! plot (t, x); |
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470 %! title ('x tics, no labels'); |
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471 %! axis ('nolabel','ticx'); |
3667 | 472 %! |
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473 %! subplot (338); |
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474 %! plot (t, x); |
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475 %! title ('y tics, no labels'); |
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476 %! axis ('nolabel','ticy'); |
3667 | 477 %! |
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478 %! subplot (339); |
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479 %! plot (t, x); |
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480 %! title ('all tics and labels'); |
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Use Matlab coding conventions for demos in plot/ directory.
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481 %! axis ('on'); |
3667 | 482 |
483 %!demo | |
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484 %! clf; |
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485 %! t = 0:0.01:2*pi; |
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486 %! x = sin (t); |
3667 | 487 %! |
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488 %! subplot (321); |
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489 %! plot (t, x); |
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490 %! title ('axes at [0 3 0 1]'); |
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491 %! axis ([0,3,0,1]); |
3667 | 492 %! |
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|
493 %! subplot (322); |
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494 %! plot (t, x); |
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495 %! title ('auto'); |
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496 %! axis ('auto'); |
3667 | 497 %! |
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498 %! subplot (323); |
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Use Matlab coding conventions for demos in plot/ directory.
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|
499 %! plot (t, x, ';sine [0:2pi];'); hold on; |
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500 %! plot (-3:3,-3:3, ';line (-3,-3)->(3,3);'); hold off; |
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501 %! title ('manual'); |
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|
502 %! axis ('manual'); |
3667 | 503 %! |
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504 %! subplot (324); |
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505 %! plot (t, x, ';sine [0:2pi];'); |
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Use Matlab coding conventions for demos in plot/ directory.
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|
506 %! title ('axes at [0 3 0 1], then autox'); |
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507 %! axis ([0,3,0,1]); |
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|
508 %! axis ('autox'); |
3667 | 509 %! |
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|
510 %! subplot (325); |
17026
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Tweak some plotting demos for messages and spelling.
Rik <rik@octave.org>
parents:
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|
511 %! plot (t, x, ';sine [0:2pi];'); |
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|
512 %! title ('axes at [3 6 0 1], then autoy'); |
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513 %! axis ([3,6,0,1]); |
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|
514 %! axis ('autoy'); |
3667 | 515 %! |
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|
516 %! subplot (326); |
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|
517 %! plot (t, sin(t), t, -2*sin(t/2)); |
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518 %! axis ('tight'); |
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Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
519 %! title ('tight'); |
8953
a6945f92b868
__go_draw_axes__.m: Unset the {x,y,z}ticks when initializing\n\teach axis. Set ticklabels when the ticklabels are empty and when\n\tticklabelmode=="manual".
Ben Abbott <bpabbott@mac.com>
parents:
8920
diff
changeset
|
520 |
a6945f92b868
__go_draw_axes__.m: Unset the {x,y,z}ticks when initializing\n\teach axis. Set ticklabels when the ticklabels are empty and when\n\tticklabelmode=="manual".
Ben Abbott <bpabbott@mac.com>
parents:
8920
diff
changeset
|
521 %!demo |
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Rik <octave@nomad.inbox5.com>
parents:
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diff
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|
522 %! clf; |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
523 %! x = 0:0.1:10; |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
524 %! plot (x, sin(x)); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
525 %! axis image; |
17026
be52288f827b
Tweak some plotting demos for messages and spelling.
Rik <rik@octave.org>
parents:
17023
diff
changeset
|
526 %! title ({'image', 'equivalent to "tight" & "equal"'}); |
8953
a6945f92b868
__go_draw_axes__.m: Unset the {x,y,z}ticks when initializing\n\teach axis. Set ticklabels when the ticklabels are empty and when\n\tticklabelmode=="manual".
Ben Abbott <bpabbott@mac.com>
parents:
8920
diff
changeset
|
527 |
9357
95ec56601497
axis.m: Fix bug for 'axis tight' with multiple surface plots, add demo.
Ben Abbott <bpabbott@mac.com>
parents:
9317
diff
changeset
|
528 %!demo |
14237
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Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
529 %! clf; |
14247
c4fa5e0b6193
test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents:
14245
diff
changeset
|
530 %! colormap ('default'); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
531 %! [x,y,z] = peaks (50); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
532 %! x1 = max (x(:)); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
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changeset
|
533 %! pcolor (x-x1, y-x1/2, z); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
534 %! hold on; |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
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|
535 %! [x,y,z] = sombrero (); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
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changeset
|
536 %! s = x1 / max (x(:)); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
537 %! pcolor (s*x+x1, s*y+x1/2, 5*z); |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
538 %! axis tight; |
8953
a6945f92b868
__go_draw_axes__.m: Unset the {x,y,z}ticks when initializing\n\teach axis. Set ticklabels when the ticklabels are empty and when\n\tticklabelmode=="manual".
Ben Abbott <bpabbott@mac.com>
parents:
8920
diff
changeset
|
539 |
11201
6c8791cb35b1
__go_draw_axes__.m: Set proper tight axis limits for log scale.
Ben Abbott <bpabbott@mac.com>
parents:
11191
diff
changeset
|
540 %!demo |
14237
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Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
541 %! clf; |
11201
6c8791cb35b1
__go_draw_axes__.m: Set proper tight axis limits for log scale.
Ben Abbott <bpabbott@mac.com>
parents:
11191
diff
changeset
|
542 %! x = -10:10; |
14237
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Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
543 %! plot (x,x, x,-x); |
14245
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
544 %! set (gca, 'yscale', 'log'); |
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
545 %! legend ({'x >= 1', 'x <= 1'}, 'location', 'north'); |
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
546 %! title ('ylim = [1, 10]'); |
11201
6c8791cb35b1
__go_draw_axes__.m: Set proper tight axis limits for log scale.
Ben Abbott <bpabbott@mac.com>
parents:
11191
diff
changeset
|
547 |
13154 | 548 %!demo |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
549 %! clf; |
14245
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Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
550 %! loglog (1:20, '-s'); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
551 %! axis tight; |
13154 | 552 |
13322
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
553 %!demo |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
554 %! clf; |
13322
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
555 %! x = -10:0.1:10; |
14237
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Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
556 %! y = sin (x)./(1 + abs (x)) + 0.1*x - 0.4; |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
557 %! plot (x, y); |
14245
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
558 %! set (gca, 'xaxislocation', 'zero'); |
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
559 %! set (gca, 'yaxislocation', 'zero'); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
560 %! box off; |
17190
df4c4b7708a4
Add titles and clean-up plotting %!demos.
Rik <rik@octave.org>
parents:
17122
diff
changeset
|
561 %! title ({'no plot box', 'xaxislocation = zero, yaxislocation = zero'}); |
13322
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
562 |
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
563 %!demo |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
564 %! clf; |
13322
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
565 %! x = -10:0.1:10; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
566 %! y = sin (x)./(1+abs (x)) + 0.1*x - 0.4; |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
567 %! plot (x, y); |
14245
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
568 %! set (gca, 'xaxislocation', 'zero'); |
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
569 %! set (gca, 'yaxislocation', 'left'); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
570 %! box off; |
17190
df4c4b7708a4
Add titles and clean-up plotting %!demos.
Rik <rik@octave.org>
parents:
17122
diff
changeset
|
571 %! title ({'no plot box', 'xaxislocation = zero, yaxislocation = left'}); |
13322
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
572 |
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
573 %!demo |
14237
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Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
574 %! clf; |
13322
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
575 %! x = -10:0.1:10; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
576 %! y = sin (x)./(1+abs (x)) + 0.1*x - 0.4; |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
577 %! plot (x, y); |
14245
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
578 %! title ('no plot box'); |
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
579 %! set (gca, 'xaxislocation', 'zero'); |
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
580 %! set (gca, 'yaxislocation', 'right'); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
581 %! box off; |
17190
df4c4b7708a4
Add titles and clean-up plotting %!demos.
Rik <rik@octave.org>
parents:
17122
diff
changeset
|
582 %! title ({'no plot box', 'xaxislocation = zero, yaxislocation = right'}); |
13322
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
583 |
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
584 %!demo |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
585 %! clf; |
13322
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
586 %! x = -10:0.1:10; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
587 %! y = sin (x)./(1+abs (x)) + 0.1*x - 0.4; |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
588 %! plot (x, y); |
14245
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
589 %! set (gca, 'xaxislocation', 'bottom'); |
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
590 %! set (gca, 'yaxislocation', 'zero'); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
591 %! box off; |
17190
df4c4b7708a4
Add titles and clean-up plotting %!demos.
Rik <rik@octave.org>
parents:
17122
diff
changeset
|
592 %! title ({'no plot box', 'xaxislocation = bottom, yaxislocation = zero'}); |
13322
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
593 |
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
594 %!demo |
14237
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Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
595 %! clf; |
13322
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
596 %! x = -10:0.1:10; |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
597 %! y = sin (x)./(1+abs (x)) + 0.1*x - 0.4; |
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
598 %! plot (x, y); |
14245
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
599 %! set (gca, 'xaxislocation', 'top'); |
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
600 %! set (gca, 'yaxislocation', 'zero'); |
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
601 %! box off; |
17190
df4c4b7708a4
Add titles and clean-up plotting %!demos.
Rik <rik@octave.org>
parents:
17122
diff
changeset
|
602 %! title ({'no plot box', 'xaxislocation = top, yaxislocation = zero'}); |
13322
16a706965ee0
Allow the axis box to be turned off for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
13175
diff
changeset
|
603 |
14054
ec79cd8359c5
Ignore Inf when determining tight axis limits.
Ben Abbott <bpabbott@mac.com>
parents:
13322
diff
changeset
|
604 %!test |
ec79cd8359c5
Ignore Inf when determining tight axis limits.
Ben Abbott <bpabbott@mac.com>
parents:
13322
diff
changeset
|
605 %! hf = figure ("visible", "off"); |
ec79cd8359c5
Ignore Inf when determining tight axis limits.
Ben Abbott <bpabbott@mac.com>
parents:
13322
diff
changeset
|
606 %! unwind_protect |
ec79cd8359c5
Ignore Inf when determining tight axis limits.
Ben Abbott <bpabbott@mac.com>
parents:
13322
diff
changeset
|
607 %! plot (11:20, [21:24, NaN, -Inf, 27:30]); |
ec79cd8359c5
Ignore Inf when determining tight axis limits.
Ben Abbott <bpabbott@mac.com>
parents:
13322
diff
changeset
|
608 %! hold all; |
ec79cd8359c5
Ignore Inf when determining tight axis limits.
Ben Abbott <bpabbott@mac.com>
parents:
13322
diff
changeset
|
609 %! plot (11:20, 25.5 + rand (10)); |
ec79cd8359c5
Ignore Inf when determining tight axis limits.
Ben Abbott <bpabbott@mac.com>
parents:
13322
diff
changeset
|
610 %! axis tight; |
14063
6875d23ce051
Fix regression of tight axis limits introduced by changeset ec79cd8359c5.
Ben Abbott <bpabbott@mac.com>
parents:
14054
diff
changeset
|
611 %! assert (axis (), [11 20 21 30]); |
14054
ec79cd8359c5
Ignore Inf when determining tight axis limits.
Ben Abbott <bpabbott@mac.com>
parents:
13322
diff
changeset
|
612 %! unwind_protect_cleanup |
ec79cd8359c5
Ignore Inf when determining tight axis limits.
Ben Abbott <bpabbott@mac.com>
parents:
13322
diff
changeset
|
613 %! close (hf); |
ec79cd8359c5
Ignore Inf when determining tight axis limits.
Ben Abbott <bpabbott@mac.com>
parents:
13322
diff
changeset
|
614 %! end_unwind_protect |
ec79cd8359c5
Ignore Inf when determining tight axis limits.
Ben Abbott <bpabbott@mac.com>
parents:
13322
diff
changeset
|
615 |
14063
6875d23ce051
Fix regression of tight axis limits introduced by changeset ec79cd8359c5.
Ben Abbott <bpabbott@mac.com>
parents:
14054
diff
changeset
|
616 %!test |
6875d23ce051
Fix regression of tight axis limits introduced by changeset ec79cd8359c5.
Ben Abbott <bpabbott@mac.com>
parents:
14054
diff
changeset
|
617 %! hf = figure ("visible", "off"); |
6875d23ce051
Fix regression of tight axis limits introduced by changeset ec79cd8359c5.
Ben Abbott <bpabbott@mac.com>
parents:
14054
diff
changeset
|
618 %! unwind_protect |
6875d23ce051
Fix regression of tight axis limits introduced by changeset ec79cd8359c5.
Ben Abbott <bpabbott@mac.com>
parents:
14054
diff
changeset
|
619 %! a = logspace (-5, 1, 10); |
14237
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Rik <octave@nomad.inbox5.com>
parents:
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diff
changeset
|
620 %! loglog (a, -a); |
14063
6875d23ce051
Fix regression of tight axis limits introduced by changeset ec79cd8359c5.
Ben Abbott <bpabbott@mac.com>
parents:
14054
diff
changeset
|
621 %! axis tight; |
14237
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Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
622 %! assert (axis (), [1e-5, 10, -10, -1e-5]); |
14063
6875d23ce051
Fix regression of tight axis limits introduced by changeset ec79cd8359c5.
Ben Abbott <bpabbott@mac.com>
parents:
14054
diff
changeset
|
623 %! unwind_protect_cleanup |
6875d23ce051
Fix regression of tight axis limits introduced by changeset ec79cd8359c5.
Ben Abbott <bpabbott@mac.com>
parents:
14054
diff
changeset
|
624 %! close (hf); |
6875d23ce051
Fix regression of tight axis limits introduced by changeset ec79cd8359c5.
Ben Abbott <bpabbott@mac.com>
parents:
14054
diff
changeset
|
625 %! end_unwind_protect |
6875d23ce051
Fix regression of tight axis limits introduced by changeset ec79cd8359c5.
Ben Abbott <bpabbott@mac.com>
parents:
14054
diff
changeset
|
626 |
17427
15d592c82abc
test: Add test for bug #40036 to axis.m
Rik <rik@octave.org>
parents:
17426
diff
changeset
|
627 ## Test 'axis tight' with differently oriented, differently numbered data vecs |
15d592c82abc
test: Add test for bug #40036 to axis.m
Rik <rik@octave.org>
parents:
17426
diff
changeset
|
628 ## Bug #40036. |
15d592c82abc
test: Add test for bug #40036 to axis.m
Rik <rik@octave.org>
parents:
17426
diff
changeset
|
629 %!test |
15d592c82abc
test: Add test for bug #40036 to axis.m
Rik <rik@octave.org>
parents:
17426
diff
changeset
|
630 %! hf = figure ("visible", "off"); |
15d592c82abc
test: Add test for bug #40036 to axis.m
Rik <rik@octave.org>
parents:
17426
diff
changeset
|
631 %! unwind_protect |
15d592c82abc
test: Add test for bug #40036 to axis.m
Rik <rik@octave.org>
parents:
17426
diff
changeset
|
632 %! Z = peaks (linspace (-3, 3, 49), linspace (-2, 2, 29)); |
15d592c82abc
test: Add test for bug #40036 to axis.m
Rik <rik@octave.org>
parents:
17426
diff
changeset
|
633 %! surf (Z); |
15d592c82abc
test: Add test for bug #40036 to axis.m
Rik <rik@octave.org>
parents:
17426
diff
changeset
|
634 %! axis tight; |
15d592c82abc
test: Add test for bug #40036 to axis.m
Rik <rik@octave.org>
parents:
17426
diff
changeset
|
635 %! assert (axis (), [1 49 1 29 min(Z(:)) max(Z(:))]); |
15d592c82abc
test: Add test for bug #40036 to axis.m
Rik <rik@octave.org>
parents:
17426
diff
changeset
|
636 %! unwind_protect_cleanup |
15d592c82abc
test: Add test for bug #40036 to axis.m
Rik <rik@octave.org>
parents:
17426
diff
changeset
|
637 %! close (hf); |
15d592c82abc
test: Add test for bug #40036 to axis.m
Rik <rik@octave.org>
parents:
17426
diff
changeset
|
638 %! end_unwind_protect |
15d592c82abc
test: Add test for bug #40036 to axis.m
Rik <rik@octave.org>
parents:
17426
diff
changeset
|
639 |