diff nonExposed/randomColormap.m @ 34:39399de892ef

better handling of displays with pleasantness colors

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nonExposed/randomColormap.m	Fri Jun 09 16:37:50 2017 +0200
@@ -0,0 +1,41 @@
+function cmap = randomColormap (sceneObjects)
+% returns a colormap with randomly chosen colors somewhat evenly spread in
+% the color spectrum, to be used for the graphical representations of a
+% synthesized scene.
+
+% Background sounds will have a saturation of .3, foreground sounds of 1
+% Value is always let to .5, since modifying it would erroneously suggest
+% a difference of intensity
+
+% This program was written by Mathias Rossignol & Grégoire Lafay
+% is Copyright (C) 2015 IRCAM <http://www.ircam.fr>
+%
+% This program is free software: you can redistribute it and/or modify it
+% under the terms of the GNU General Public License as published by the Free
+% Software Foundation, either version 3 of the License, or (at your option)
+% any later version.
+%
+% This program is distributed in the hope that it will be useful, but
+% WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+% or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+% for more details.
+%
+% You should have received a copy of the GNU General Public License along
+% with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+nbTracks = length(sceneObjects);
+
+% Colors for figures
+% Choosing color hues evenly spread in the color spectrum, then randomizing their order
+hues = (0:1/nbTracks:1);
+hues = hues(1:nbTracks);
+hues = hues(randperm(nbTracks));
+% Generate a colormap:
+for c=1:nbTracks
+    if (sceneObjects(c).isBackground)
+        cmap(c,:) = hsl2rgb([hues(c), .3, .5]);
+    else
+        cmap(c,:) = hsl2rgb([hues(c), 1, .5]);
+    end
+end
+end
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