Mercurial > hg > octave-lyh
annotate scripts/plot/surface.m @ 13124:2ea1658ad049
Don't use explicit figure number for tests to avoid interference with any figures opened by user.
(plot/allchild.m, plot/ancestor.m, plot/cla.m, plot/clf.m, plot/close.m,
plot/findall.m, plot/findobj.m, plot/gca.m, plot/gcf.m, plot/hggroup.m,
plot/isfigure.m, plot/line.m, plot/loglog.m, plot/patch.m, plot/semilogx.m,
plot/semilogy.m, plot/surface.m, plot/view.m, plot/whitebg.m, plot/xlim.m,
plot/ylim.m, plot/zlim.m): Don't use explicit figure numer 1232 any more.
| author | Kai Habel <kai.habel@gmx.de> |
|---|---|
| date | Sun, 11 Sep 2011 18:48:06 +0200 |
| parents | cd808de114c1 |
| children | e81ddf9cacd5 |
| rev | line source |
|---|---|
| 11523 | 1 ## Copyright (C) 1993-2011 John W. Eaton |
| 7109 | 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} {} surface (@var{x}, @var{y}, @var{z}, @var{c}) |
| 7175 | 21 ## @deftypefnx {Function File} {} surface (@var{x}, @var{y}, @var{z}) |
| 22 ## @deftypefnx {Function File} {} surface (@var{z}, @var{c}) | |
| 23 ## @deftypefnx {Function File} {} surface (@var{z}) | |
| 24 ## @deftypefnx {Function File} {} surface (@dots{}, @var{prop}, @var{val}) | |
| 25 ## @deftypefnx {Function File} {} surface (@var{h}, @dots{}) | |
| 7650 | 26 ## @deftypefnx {Function File} {@var{h} =} surface (@dots{}) |
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27 ## Plot a surface graphic object given matrices @var{x}, and @var{y} from |
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28 ## @code{meshgrid} and a matrix @var{z} corresponding to the @var{x} and |
| 7175 | 29 ## @var{y} coordinates of the surface. If @var{x} and @var{y} are vectors, |
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30 ## then a typical vertex is (@var{x}(j), @var{y}(i), @var{z}(i,j)). Thus, |
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31 ## columns of @var{z} correspond to different @var{x} values and rows of |
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32 ## @var{z} correspond to different @var{y} values. If @var{x} and @var{y} |
| 7175 | 33 ## are missing, they are constructed from size of the matrix @var{z}. |
| 34 ## | |
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35 ## Any additional properties passed are assigned to the surface. |
| 7109 | 36 ## @seealso{surf, mesh, patch, line} |
| 37 ## @end deftypefn | |
| 38 | |
| 39 ## Author: jwe | |
| 40 | |
| 7216 | 41 function retval = surface (varargin) |
| 7109 | 42 |
| 7215 | 43 [h, varargin] = __plt_get_axis_arg__ ("surface", varargin{:}); |
| 44 | |
| 45 oldh = gca (); | |
| 46 unwind_protect | |
| 47 axes (h); | |
| 48 [tmp, bad_usage] = __surface__ (h, varargin{:}); | |
| 49 unwind_protect_cleanup | |
| 50 axes (oldh); | |
| 51 end_unwind_protect | |
| 7109 | 52 |
| 7207 | 53 if (bad_usage) |
| 54 print_usage (); | |
| 55 endif | |
| 56 | |
| 57 if (nargout > 0) | |
| 7216 | 58 retval = tmp; |
| 7207 | 59 endif |
| 7216 | 60 |
| 7207 | 61 endfunction |
| 62 | |
| 63 function [h, bad_usage] = __surface__ (ax, varargin) | |
| 64 | |
| 65 bad_usage = false; | |
| 66 h = 0; | |
| 67 firststring = nargin; | |
| 68 for i = 2 : nargin | |
| 7208 | 69 if (ischar (varargin{i - 1})) |
| 7207 | 70 firststring = i - 1; |
| 7175 | 71 break; |
| 7109 | 72 endif |
| 7175 | 73 endfor |
| 74 | |
| 75 if (firststring > 5) | |
| 7207 | 76 bad_usage = true; |
| 7175 | 77 elseif (firststring == 5) |
| 78 x = varargin{1}; | |
| 79 y = varargin{2}; | |
| 80 z = varargin{3}; | |
| 81 c = varargin{4}; | |
| 82 | |
| 7110 | 83 if (! size_equal (z, c)) |
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84 error ("surface: Z and C must have the same size"); |
| 7109 | 85 endif |
| 86 if (isvector (x) && isvector (y) && ismatrix (z)) | |
| 87 if (rows (z) == length (y) && columns (z) == length (x)) | |
| 88 x = x(:)'; | |
| 89 y = y(:); | |
| 90 else | |
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91 error ("surface: rows (Z) must be the same as length (Y) and columns (Z) must be the same as length (X)"); |
| 7109 | 92 endif |
| 93 elseif (ismatrix (x) && ismatrix (y) && ismatrix (z)) | |
| 7292 | 94 if (! size_equal (x, y, z)) |
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95 error ("surface: X, Y, and Z must have the same dimensions"); |
| 7109 | 96 endif |
| 97 else | |
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98 error ("surface: X and Y must be vectors and Z must be a matrix"); |
| 7109 | 99 endif |
| 7175 | 100 elseif (firststring == 4) |
| 101 x = varargin{1}; | |
| 102 y = varargin{2}; | |
| 103 z = varargin{3}; | |
| 104 c = z; | |
| 105 if (isvector (x) && isvector (y) && ismatrix (z)) | |
| 106 if (rows (z) == length (y) && columns (z) == length (x)) | |
| 107 x = x(:)'; | |
| 108 y = y(:); | |
| 109 else | |
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110 error ("surface: rows (Z) must be the same as length (Y) and columns (Z) must be the same as length (X)"); |
| 7175 | 111 endif |
| 112 elseif (ismatrix (x) && ismatrix (y) && ismatrix (z)) | |
| 7292 | 113 if (! size_equal (x, y, z)) |
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114 error ("surface: X, Y, and Z must have the same dimensions"); |
| 7175 | 115 endif |
| 116 else | |
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117 error ("surface: X and Y must be vectors and Z must be a matrix"); |
| 7175 | 118 endif |
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119 elseif (firststring == 3) |
| 7208 | 120 z = varargin{1}; |
| 121 c = varargin{2}; | |
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122 if (ismatrix (z) && !isvector (z) && !isscalar (z)) |
| 7175 | 123 [nr, nc] = size (z); |
| 124 x = 1:nc; | |
| 125 y = (1:nr)'; | |
| 126 else | |
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127 error ("surface: Z argument must be a matrix"); |
| 7175 | 128 endif |
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129 elseif (firststring == 2) |
| 7208 | 130 z = varargin{1}; |
| 7175 | 131 c = z; |
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132 if (ismatrix (z) && !isvector (z) && !isscalar (z)) |
| 7175 | 133 [nr, nc] = size (z); |
| 134 x = 1:nc; | |
| 135 y = (1:nr)'; | |
| 136 else | |
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137 error ("surface: Z argument must be a matrix"); |
| 7175 | 138 endif |
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139 elseif (firststring == 1) |
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140 x = 1:3; |
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141 y = (x).'; |
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142 c = z = eye(3); |
| 7109 | 143 else |
| 7207 | 144 bad_usage = true; |
| 7189 | 145 endif |
| 7109 | 146 |
| 7207 | 147 if (! bad_usage) |
| 148 ## Make a default surface object. | |
| 7277 | 149 other_args = {}; |
| 7207 | 150 if (firststring < nargin) |
| 7277 | 151 other_args = varargin(firststring:end); |
| 152 endif | |
| 153 h = __go_surface__ (ax, "xdata", x, "ydata", y, "zdata", z, "cdata", c, | |
| 10549 | 154 other_args{:}); |
| 7109 | 155 |
| 7277 | 156 if (! ishold ()) |
| 7298 | 157 set (ax, "view", [0, 90], "box", "off"); |
| 7277 | 158 endif |
| 159 endif | |
| 7109 | 160 |
| 161 endfunction | |
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162 |
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163 ## Mark file as being tested. Tests for surface are in |
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164 ## surf.m, surfc.m, surfl.m, and pcolor.m |
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165 |
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166 %!test |
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167 %! hf = figure ("visible", "off"); |
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168 %! unwind_protect |
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169 %! h = surface; |
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170 %! assert (findobj (hf, "type", "surface"), h); |
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171 %! assert (get (h, "xdata"), 1:3, eps); |
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172 %! assert (get (h, "ydata"), (1:3)', eps); |
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173 %! assert (get (h, "zdata"), eye(3)); |
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174 %! assert (get (h, "cdata"), eye(3)); |
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175 %! assert (get (h, "type"), "surface"); |
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176 %! assert (get (h, "linestyle"), get (0, "defaultsurfacelinestyle")); |
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177 %! assert (get (h, "linewidth"), get (0, "defaultsurfacelinewidth"), eps); |
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178 %! assert (get (h, "marker"), get (0, "defaultsurfacemarker")); |
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179 %! assert (get (h, "markersize"), get (0, "defaultsurfacemarkersize")); |
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180 %! unwind_protect_cleanup |
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181 %! close (hf); |
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182 %! end_unwind_protect |