Mercurial > hg > octave-nkf
annotate scripts/plot/waterfall.m @ 17190:df4c4b7708a4
Add titles and clean-up plotting %!demos.
* scripts/plot/area.m, scripts/plot/axis.m, scripts/plot/bar.m,
scripts/plot/barh.m, scripts/plot/clabel.m, scripts/plot/colorbar.m,
scripts/plot/comet.m, scripts/plot/comet3.m, scripts/plot/contour.m,
scripts/plot/contour3.m, scripts/plot/contourf.m, scripts/plot/cylinder.m,
scripts/plot/ellipsoid.m, scripts/plot/errorbar.m, scripts/plot/ezplot.m,
scripts/plot/ezplot3.m, scripts/plot/ezpolar.m, scripts/plot/feather.m,
scripts/plot/fplot.m, scripts/plot/hold.m, scripts/plot/isosurface.m,
scripts/plot/legend.m, scripts/plot/loglog.m, scripts/plot/loglogerr.m,
scripts/plot/mesh.m, scripts/plot/meshc.m, scripts/plot/meshz.m,
scripts/plot/patch.m, scripts/plot/pcolor.m, scripts/plot/pie.m,
scripts/plot/pie3.m, scripts/plot/plot.m, scripts/plot/plot3.m,
scripts/plot/polar.m, scripts/plot/rectangle.m, scripts/plot/ribbon.m,
scripts/plot/rose.m, scripts/plot/scatter.m, scripts/plot/scatter3.m,
scripts/plot/semilogx.m, scripts/plot/semilogxerr.m, scripts/plot/semilogy.m,
scripts/plot/semilogyerr.m, scripts/plot/sombrero.m, scripts/plot/stem3.m,
scripts/plot/surf.m, scripts/plot/surfc.m, scripts/plot/surfl.m,
scripts/plot/title.m, scripts/plot/waterfall.m: Add titles and clean-up
plotting %!demos.
| author | Rik <rik@octave.org> |
|---|---|
| date | Tue, 06 Aug 2013 14:34:20 -0700 |
| parents | eaab03308c0b |
| children | bc924baa2c4e |
| rev | line source |
|---|---|
| 16563 | 1 ## Copyright (C) 2013 Mike Miller |
| 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 -*- | |
| 20 ## @deftypefn {Function File} {} waterfall (@var{x}, @var{y}, @var{z}) | |
| 21 ## @deftypefnx {Function File} {} waterfall (@var{z}) | |
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22 ## @deftypefnx {Function File} {} waterfall (@dots{}, @var{c}) |
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23 ## @deftypefnx {Function File} {} waterfall (@dots{}, @var{prop}, @var{val}, @dots{}) |
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24 ## @deftypefnx {Function File} {} waterfall (@var{hax}, @dots{}) |
| 16563 | 25 ## @deftypefnx {Function File} {@var{h} =} waterfall (@dots{}) |
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26 ## Plot a 3-D waterfall plot. |
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27 ## |
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28 ## A waterfall plot is similar to a @code{meshz} plot except only |
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29 ## mesh lines for the rows of @var{z} (x-values) are shown. |
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30 ## |
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31 ## The wireframe mesh is plotted using rectangles. The vertices of the |
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32 ## rectangles [@var{x}, @var{y}] are typically the output of @code{meshgrid}. |
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33 ## over a 2-D rectangular region in the x-y plane. @var{z} determines the |
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34 ## height above the plane of each vertex. If only a single @var{z} matrix is |
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35 ## given, then it is plotted over the meshgrid |
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36 ## @code{@var{x} = 1:columns (@var{z}), @var{y} = 1:rows (@var{z})}. |
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37 ## Thus, columns of @var{z} correspond to different @var{x} values and rows |
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38 ## of @var{z} correspond to different @var{y} values. |
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39 ## |
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40 ## The color of the mesh is computed by linearly scaling the @var{Z} values |
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41 ## to fit the range of the current colormap. Use @code{caxis} and/or |
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42 ## change the colormap to control the appearance. |
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43 ## |
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44 ## Optionally the color of the mesh can be specified independently of @var{z} |
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45 ## by supplying a color matrix, @var{c}. |
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46 ## |
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47 ## Any property/value pairs are passed directly to the underlying surface |
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48 ## object. |
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49 ## |
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50 ## If the first argument @var{hax} is an axes handle, then plot into this axis, |
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51 ## rather than the current axes returned by @code{gca}. |
| 16563 | 52 ## |
| 53 ## The optional return value @var{h} is a graphics handle to the created | |
| 54 ## surface object. | |
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55 ## |
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56 ## @seealso{meshz, mesh, meshc, contour, surf, surface, ribbon, meshgrid, hidden, shading, colormap, caxis} |
| 16563 | 57 ## @end deftypefn |
| 58 | |
| 59 ## Author: Mike Miller <mtmiller@ieee.org> | |
| 60 | |
| 61 function h = waterfall (varargin) | |
| 62 | |
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63 htmp = meshz (varargin{:}); |
| 16563 | 64 |
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65 set (htmp, "meshstyle", "row"); |
| 16563 | 66 |
| 67 ## The gnuplot toolkit does nothing with the meshstyle property currently. | |
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68 toolkit = get (ancestor (htmp, "figure"), "__graphics_toolkit__"); |
| 16563 | 69 if (strcmp (toolkit, "gnuplot")) |
| 70 warning ("waterfall: may not render correctly using toolkit '%s'", toolkit); | |
| 71 endif | |
| 72 | |
| 73 if (nargout > 0) | |
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74 h = htmp; |
| 16563 | 75 endif |
| 76 | |
| 77 endfunction | |
| 78 | |
| 79 | |
| 80 %!demo | |
| 81 %! clf; | |
| 82 %! colormap ('default'); | |
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83 %! Z = peaks (); |
| 16563 | 84 %! waterfall (Z); |
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85 %! title ('waterfall() plot of peaks() function'); |
| 16563 | 86 |
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87 %!demo |
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88 %! clf; |
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89 %! colormap ('default'); |
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90 %! Z = peaks (); |
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91 %! subplot (1,2,1) |
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92 %! meshz (Z); |
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93 %! daspect ([2.5, 2.5, 1]); |
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94 %! title ('meshz() plot'); |
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95 %! subplot (1,2,2) |
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96 %! waterfall (Z); |
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97 %! daspect ([2.5, 2.5, 1]); |
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98 %! title ('waterfall() plot'); |
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99 |