Mercurial > octave-nkf
annotate scripts/plot/draw/quiver3.m @ 17572:7bb76a22cde1
maint: Split scripts/plot directory into 4 pieces.
scripts/gui : user-interface functions
scripts/plot/appearance : functions controlling plot appearance
scripts/plot/draw : plotting functions which produce graphs
scripts/plot/util : low-level plotting functions and utilities.
* scripts/gui/guidata.m, scripts/gui/guihandles.m, scripts/gui/module.mk,
scripts/gui/private/__file_filter__.m,
scripts/gui/private/__fltk_file_filter__.m,
scripts/gui/private/__is_function__.m, scripts/gui/private/__uigetdir_fltk__.m,
scripts/gui/private/__uigetfile_fltk__.m,
scripts/gui/private/__uiobject_split_args__.m,
scripts/gui/private/__uiputfile_fltk__.m, scripts/gui/uicontextmenu.m,
scripts/gui/uicontrol.m, scripts/gui/uigetdir.m, scripts/gui/uigetfile.m,
scripts/gui/uimenu.m, scripts/gui/uipanel.m, scripts/gui/uipushtool.m,
scripts/gui/uiputfile.m, scripts/gui/uiresume.m, scripts/gui/uitoggletool.m,
scripts/gui/uitoolbar.m, scripts/gui/uiwait.m, scripts/gui/waitbar.m,
scripts/gui/waitforbuttonpress.m: Moved from scripts/plot to scripts/gui
* scripts/plot/appearance/__clabel__.m,
scripts/plot/appearance/__getlegenddata__.m, scripts/plot/appearance/axis.m,
scripts/plot/appearance/box.m, scripts/plot/appearance/caxis.m,
scripts/plot/appearance/clabel.m, scripts/plot/appearance/daspect.m,
scripts/plot/appearance/diffuse.m, scripts/plot/appearance/grid.m,
scripts/plot/appearance/gtext.m, scripts/plot/appearance/hidden.m,
scripts/plot/appearance/legend.m,
scripts/plot/appearance/orient.m, scripts/plot/appearance/pbaspect.m,
scripts/plot/appearance/private/__axis_label__.m,
scripts/plot/appearance/private/__axis_limits__.m,
scripts/plot/appearance/shading.m, scripts/plot/appearance/specular.m,
scripts/plot/appearance/text.m, scripts/plot/appearance/title.m,
scripts/plot/appearance/view.m, scripts/plot/appearance/whitebg.m,
scripts/plot/appearance/xlabel.m, scripts/plot/appearance/xlim.m,
scripts/plot/appearance/ylabel.m, scripts/plot/appearance/ylim.m,
scripts/plot/appearance/zlabel.m, scripts/plot/appearance/zlim.m:
Moved from scripts/plot to subdir appearance.
* scripts/plot/draw/area.m, scripts/plot/draw/bar.m, scripts/plot/draw/barh.m,
scripts/plot/draw/colorbar.m, scripts/plot/draw/comet.m,
scripts/plot/draw/comet3.m, scripts/plot/draw/compass.m,
scripts/plot/draw/contour.m, scripts/plot/draw/contour3.m,
scripts/plot/draw/contourc.m, scripts/plot/draw/contourf.m,
scripts/plot/draw/cylinder.m, scripts/plot/draw/ellipsoid.m,
scripts/plot/draw/errorbar.m, scripts/plot/draw/ezcontour.m,
scripts/plot/draw/ezcontourf.m, scripts/plot/draw/ezmesh.m,
scripts/plot/draw/ezmeshc.m, scripts/plot/draw/ezplot.m,
scripts/plot/draw/ezplot3.m, scripts/plot/draw/ezpolar.m,
scripts/plot/draw/ezsurf.m, scripts/plot/draw/ezsurfc.m,
scripts/plot/draw/feather.m, scripts/plot/draw/fill.m,
scripts/plot/draw/fplot.m, scripts/plot/draw/hist.m,
scripts/plot/draw/isocolors.m, scripts/plot/draw/isonormals.m,
scripts/plot/draw/isosurface.m, scripts/plot/draw/line.m,
scripts/plot/draw/loglog.m, scripts/plot/draw/loglogerr.m,
scripts/plot/draw/mesh.m, scripts/plot/draw/meshc.m, scripts/plot/draw/meshz.m,
scripts/plot/draw/pareto.m,
scripts/plot/draw/patch.m, scripts/plot/draw/pcolor.m,
scripts/plot/draw/peaks.m, scripts/plot/draw/pie.m, scripts/plot/draw/pie3.m,
scripts/plot/draw/plot.m, scripts/plot/draw/plot3.m,
scripts/plot/draw/plotmatrix.m, scripts/plot/draw/plotyy.m,
scripts/plot/draw/polar.m, scripts/plot/draw/private/__add_datasource__.m,
scripts/plot/draw/private/__bar__.m, scripts/plot/draw/private/__contour__.m,
scripts/plot/draw/private/__errcomm__.m,
scripts/plot/draw/private/__errplot__.m,
scripts/plot/draw/private/__ezplot__.m,
scripts/plot/draw/private/__interp_cube__.m,
scripts/plot/draw/private/__line__.m,
scripts/plot/draw/private/__marching_cube__.m,
scripts/plot/draw/private/__patch__.m, scripts/plot/draw/private/__pie__.m,
scripts/plot/draw/private/__plt__.m, scripts/plot/draw/private/__quiver__.m,
scripts/plot/draw/private/__scatter__.m, scripts/plot/draw/private/__stem__.m,
scripts/plot/draw/quiver.m, scripts/plot/draw/quiver3.m,
scripts/plot/draw/rectangle.m, scripts/plot/draw/ribbon.m,
scripts/plot/draw/rose.m, scripts/plot/draw/scatter.m,
scripts/plot/draw/scatter3.m, scripts/plot/draw/semilogx.m,
scripts/plot/draw/semilogxerr.m, scripts/plot/draw/semilogy.m,
scripts/plot/draw/semilogyerr.m, scripts/plot/draw/shrinkfaces.m,
scripts/plot/draw/slice.m, scripts/plot/draw/sombrero.m,
scripts/plot/draw/sphere.m, scripts/plot/draw/stairs.m,
scripts/plot/draw/stem.m, scripts/plot/draw/stem3.m,
scripts/plot/draw/stemleaf.m, scripts/plot/draw/surf.m,
scripts/plot/draw/surface.m, scripts/plot/draw/surfc.m,
scripts/plot/draw/surfl.m, scripts/plot/draw/surfnorm.m,
scripts/plot/draw/tetramesh.m, scripts/plot/draw/trimesh.m,
scripts/plot/draw/triplot.m, scripts/plot/draw/trisurf.m,
scripts/plot/draw/waterfall.m: Moved from plot/ to subdir draw.
* scripts/plot/util/__actual_axis_position__.m,
scripts/plot/util/__default_plot_options__.m,
scripts/plot/util/__gnuplot_drawnow__.m,
scripts/plot/util/__next_line_color__.m,
scripts/plot/util/__next_line_style__.m,
scripts/plot/util/__plt_get_axis_arg__.m, scripts/plot/util/__pltopt__.m,
scripts/plot/util/allchild.m, scripts/plot/util/ancestor.m,
scripts/plot/util/axes.m, scripts/plot/util/cla.m, scripts/plot/util/clf.m,
scripts/plot/util/close.m, scripts/plot/util/closereq.m,
scripts/plot/util/colstyle.m, scripts/plot/util/copyobj.m,
scripts/plot/util/figure.m, scripts/plot/util/findall.m,
scripts/plot/util/findfigs.m, scripts/plot/util/findobj.m,
scripts/plot/util/gca.m, scripts/plot/util/gcbf.m, scripts/plot/util/gcbo.m,
scripts/plot/util/gcf.m, scripts/plot/util/gco.m, scripts/plot/util/ginput.m,
scripts/plot/util/gnuplot_binary.in, scripts/plot/util/graphics_toolkit.m,
scripts/plot/util/hdl2struct.m, scripts/plot/util/hggroup.m,
scripts/plot/util/hold.m, scripts/plot/util/isaxes.m,
scripts/plot/util/isfigure.m, scripts/plot/util/ishghandle.m,
scripts/plot/util/ishold.m, scripts/plot/util/isprop.m,
scripts/plot/util/linkprop.m, scripts/plot/util/meshgrid.m,
scripts/plot/util/ndgrid.m,
scripts/plot/util/newplot.m, scripts/plot/util/print.m,
scripts/plot/util/printd.m, scripts/plot/util/private/__add_default_menu__.m,
scripts/plot/util/private/__fltk_ginput__.m,
scripts/plot/util/private/__fltk_print__.m,
scripts/plot/util/private/__ghostscript__.m,
scripts/plot/util/private/__gnuplot_get_var__.m,
scripts/plot/util/private/__gnuplot_ginput__.m,
scripts/plot/util/private/__gnuplot_has_feature__.m,
scripts/plot/util/private/__gnuplot_has_terminal__.m,
scripts/plot/util/private/__gnuplot_open_stream__.m,
scripts/plot/util/private/__gnuplot_print__.m,
scripts/plot/util/private/__gnuplot_version__.m,
scripts/plot/util/private/__go_draw_axes__.m,
scripts/plot/util/private/__go_draw_figure__.m,
scripts/plot/util/private/__print_parse_opts__.m,
scripts/plot/util/private/__tight_eps_bbox__.m, scripts/plot/util/refresh.m,
scripts/plot/util/refreshdata.m, scripts/plot/util/saveas.m,
scripts/plot/util/shg.m, scripts/plot/util/struct2hdl.m,
scripts/plot/util/subplot.m: Moved from plot to subdir util.
* etc/HACKING: Updated directory structure info.
* scripts/Makefile.am, scripts/plot/appearance/module.mk,
scripts/plot/draw/module.mk, scripts/plot/util/module.mk:
Added new directories to build system.
| author | Rik <rik@octave.org> |
|---|---|
| date | Fri, 04 Oct 2013 17:09:08 -0700 |
| parents | scripts/plot/quiver3.m@68bcac3c043a |
| children | ea9df126c9a5 |
| rev | line source |
|---|---|
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1 ## Copyright (C) 2007-2012 David Bateman |
| 7189 | 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 | |
| 7 ## the Free Software Foundation; either version 3 of the License, or (at | |
| 8 ## your option) any later version. | |
| 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 | |
| 16 ## along with Octave; see the file COPYING. If not, see | |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 18 | |
| 19 ## -*- texinfo -*- | |
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20 ## @deftypefn {Function File} {} quiver3 (@var{u}, @var{v}, @var{w}) |
| 7189 | 21 ## @deftypefnx {Function File} {} quiver3 (@var{x}, @var{y}, @var{z}, @var{u}, @var{v}, @var{w}) |
| 22 ## @deftypefnx {Function File} {} quiver3 (@dots{}, @var{s}) | |
| 23 ## @deftypefnx {Function File} {} quiver3 (@dots{}, @var{style}) | |
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24 ## @deftypefnx {Function File} {} quiver3 (@dots{}, "filled") |
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25 ## @deftypefnx {Function File} {} quiver3 (@var{hax}, @dots{}) |
| 7189 | 26 ## @deftypefnx {Function File} {@var{h} =} quiver3 (@dots{}) |
| 27 ## | |
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28 ## Plot the (@var{u}, @var{v}, @var{w}) components of a vector field in |
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29 ## an (@var{x}, @var{y}, @var{z}) meshgrid. If the grid is uniform, you |
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30 ## can specify @var{x}, @var{y}, and @var{z} as vectors. |
| 7189 | 31 ## |
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32 ## If @var{x}, @var{y}, and @var{z} are undefined they are assumed to be |
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33 ## @code{(1:@var{m}, 1:@var{n}, 1:@var{p})} where @code{[@var{m}, @var{n}] = |
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34 ## size (@var{u})} and @code{@var{p} = max (size (@var{w}))}. |
| 7189 | 35 ## |
| 36 ## The variable @var{s} is a scalar defining a scaling factor to use for | |
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37 ## the arrows of the field relative to the mesh spacing. A value of 0 |
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38 ## disables all scaling. The default value is 1. |
| 7189 | 39 ## |
| 40 ## The style to use for the plot can be defined with a line style @var{style} | |
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41 ## of the same format as the @code{plot} command. |
| 7189 | 42 ## If a marker is specified then markers at the grid points of the vectors are |
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43 ## drawn rather than arrows. If the argument @qcode{"filled"} is given then the |
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44 ## markers are filled. |
| 7189 | 45 ## |
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46 ## If the first argument @var{hax} is an axes handle, then plot into this axis, |
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47 ## rather than the current axes returned by @code{gca}. |
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48 ## |
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49 ## The optional return value @var{h} is a graphics handle to a quiver object. |
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50 ## A quiver object regroups the components of the quiver plot (body, arrow, |
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51 ## and marker), and allows them to be changed together. |
| 7189 | 52 ## |
| 53 ## @example | |
| 54 ## @group | |
| 55 ## [x, y, z] = peaks (25); | |
| 56 ## surf (x, y, z); | |
| 57 ## hold on; | |
| 58 ## [u, v, w] = surfnorm (x, y, z / 10); | |
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59 ## h = quiver3 (x, y, z, u, v, w); |
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60 ## set (h, "maxheadsize", 0.33); |
| 7189 | 61 ## @end group |
| 62 ## @end example | |
| 63 ## | |
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64 ## @seealso{quiver, compass, feather, plot} |
| 7189 | 65 ## @end deftypefn |
| 66 | |
| 67 function retval = quiver3 (varargin) | |
| 68 | |
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69 [hax, varargin, nargin] = __plt_get_axis_arg__ ("quiver3", varargin{:}); |
| 7215 | 70 |
| 7189 | 71 if (nargin < 2) |
| 72 print_usage (); | |
| 7215 | 73 else |
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74 oldfig = []; |
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75 if (! isempty (hax)) |
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76 oldfig = get (0, "currentfigure"); |
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77 endif |
| 7189 | 78 unwind_protect |
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79 hax = newplot (hax); |
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80 htmp = __quiver__ (hax, true, varargin{:}); |
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81 |
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82 if (! ishold (hax)) |
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83 set (hax, "view", [-37.5, 30]); # 3D view |
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84 endif |
| 7189 | 85 unwind_protect_cleanup |
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86 if (! isempty (oldfig)) |
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87 set (0, "currentfigure", oldfig); |
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88 endif |
| 7189 | 89 end_unwind_protect |
| 90 endif | |
| 91 | |
| 92 if (nargout > 0) | |
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93 retval = htmp; |
| 7189 | 94 endif |
| 95 | |
| 96 endfunction | |
| 97 | |
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98 |
| 7189 | 99 %!demo |
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100 %! clf; |
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101 %! colormap ('default'); |
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102 %! [x,y] = meshgrid (-1:0.1:1); |
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103 %! z = sin (2*pi * sqrt (x.^2 + y.^2)); |
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104 %! theta = 2*pi * sqrt (x.^2 + y.^2) + pi/2; |
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105 %! mesh (x, y, z); |
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106 %! hold on; |
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107 %! quiver3 (x, y, z, sin (theta), cos (theta), ones (size (z))); |
| 7189 | 108 %! hold off; |
| 7245 | 109 |
| 110 %!demo | |
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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
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111 %! clf; |
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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
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112 %! colormap ('default'); |
| 7245 | 113 %! [x, y, z] = peaks (25); |
| 114 %! surf (x, y, z); | |
| 115 %! hold on; | |
| 116 %! [u, v, w] = surfnorm (x, y, z / 10); | |
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8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
7245
diff
changeset
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117 %! h = quiver3 (x, y, z, u, v, w); |
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14245
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
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118 %! set (h, 'maxheadsize', 0.33); |
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8253
873ea2c72f16
quiver3.m: turn hold off after demo
John W. Eaton <jwe@octave.org>
parents:
8056
diff
changeset
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119 %! hold off; |
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8889
665b264b6a50
Compatible support of figure paper properties and resolution for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
8253
diff
changeset
|
120 |
|
665b264b6a50
Compatible support of figure paper properties and resolution for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
8253
diff
changeset
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121 %!demo |
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14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
122 %! 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
|
123 %! colormap ('default'); |
|
14092
22c50cbad2ce
Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents:
14001
diff
changeset
|
124 %! [x, y, z] = peaks (25); |
|
22c50cbad2ce
Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents:
14001
diff
changeset
|
125 %! surf (x, y, z); |
|
22c50cbad2ce
Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents:
14001
diff
changeset
|
126 %! hold on; |
|
22c50cbad2ce
Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents:
14001
diff
changeset
|
127 %! [u, v, w] = surfnorm (x, y, z / 10); |
|
22c50cbad2ce
Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents:
14001
diff
changeset
|
128 %! h = quiver3 (x, y, z, u, v, w); |
|
14245
4506eade9f04
Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents:
14237
diff
changeset
|
129 %! set (h, 'maxheadsize', 0.33); |
|
14092
22c50cbad2ce
Add clf() to all plot demos.
Ben Abbott <bpabbott@mac.com>
parents:
14001
diff
changeset
|
130 %! hold off; |
|
14237
11949c9795a0
Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents:
14138
diff
changeset
|
131 %! shading interp; |
|
8889
665b264b6a50
Compatible support of figure paper properties and resolution for the gnuplot backend.
Ben Abbott <bpabbott@mac.com>
parents:
8253
diff
changeset
|
132 |