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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}, ...) |
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21 ## |
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22 ## Sets the shading of surface or patch graphic objects. Valid arguments for |
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23 ## @var{type} are "flat", "interp", or "faceted". |
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24 ## If @var{ax} is given the shading is applied to axis @var{ax} instead of the |
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25 ## current axis. |
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26 ## |
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27 ## @example |
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28 ## shading ("interp") |
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29 ## @end example |
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30 ## |
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31 ## @end deftypefn |
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32 |
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33 ## Author: Kai Habel <kai.habel@gmx.de> |
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34 |
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35 function shading (ax, mode) |
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36 |
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37 if (nargin == 1) |
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38 mode = ax; |
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39 ax = gca (); |
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40 end |
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41 |
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42 if (nargin != 1 && nargin != 2) |
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43 print_usage (); |
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44 endif |
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45 |
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46 h1 = findobj (ax, "type", "patch"); |
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47 h2 = findobj (ax, "type", "surface"); |
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48 |
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49 obj = [h1, h2]; |
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50 |
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51 for n = 1:numel(obj) |
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52 h = obj(n); |
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53 if (strcmp (mode, "flat")) |
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54 set (h, "facecolor", "flat"); |
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55 set (h, "edgecolor", "none"); |
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56 elseif (strcmp (mode, "interp")) |
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57 set (h, "facecolor", "interp"); |
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58 set (h, "edgecolor", "none"); |
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59 elseif (strcmp (mode, "faceted")) |
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60 set (h, "facecolor", "flat"); |
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61 set (h, "edgecolor", [0 0 0]); |
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62 else |
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63 error ("unknown argument"); |
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64 endif |
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65 endfor |
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66 |
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67 endfunction |
