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1 ## Copyright (C) 2006, 2007 Kai Habel |
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2 ## |
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3 ## Octave is free software; you can redistribute it and/or modify it |
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4 ## under the terms of the GNU General Public License as published by |
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5 ## the Free Software Foundation; either version 2, or (at your option) |
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6 ## any later version. |
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7 ## |
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8 ## Octave is distributed in the hope that it will be useful, but |
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9 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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11 ## General Public License for more details. |
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12 ## |
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13 ## You should have received a copy of the GNU General Public License |
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14 ## along with Octave; see the file COPYING. If not, write to the Free |
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15 ## Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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16 ## 02110-1301, USA. |
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17 |
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18 ## -*- texinfo -*- |
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19 ## @deftypefn {Function File} {} shading (@var{type}) |
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20 ## @deftypefnx {Function File} {} shading (@var{ax}, @dots{}) |
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21 ## Set the shading of surface or patch graphic objects. Valid arguments |
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22 ## for @var{type} are @code{"flat"}, @code{"interp"}, or |
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23 ## @code{"faceted"}. If @var{ax} is given the shading is applied to |
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24 ## axis @var{ax} instead of the current axis. |
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25 ## @end deftypefn |
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26 |
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27 ## Author: Kai Habel <kai.habel@gmx.de> |
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28 |
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29 function shading (ax, mode) |
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30 |
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31 if (nargin == 1) |
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32 mode = ax; |
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33 ax = gca (); |
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34 endif |
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35 |
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36 if (nargin != 1 && nargin != 2) |
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37 print_usage (); |
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38 endif |
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39 |
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40 h1 = findobj (ax, "type", "patch"); |
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41 h2 = findobj (ax, "type", "surface"); |
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42 |
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43 obj = [h1, h2]; |
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44 |
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45 for n = 1:numel(obj) |
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46 h = obj(n); |
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47 if (strcmp (mode, "flat")) |
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48 set (h, "facecolor", "flat"); |
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49 set (h, "edgecolor", "none"); |
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50 elseif (strcmp (mode, "interp")) |
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51 set (h, "facecolor", "interp"); |
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52 set (h, "edgecolor", "none"); |
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53 elseif (strcmp (mode, "faceted")) |
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54 set (h, "facecolor", "flat"); |
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55 set (h, "edgecolor", [0 0 0]); |
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56 else |
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57 error ("unknown argument"); |
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58 endif |
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59 endfor |
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60 |
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61 endfunction |
