Outputing a Colormap for 3D printing

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Scott
Scott 2014-1-20
回答： Sean de Wolski 2015-2-23
Hi,
I am wondering if anyone knows of a way to output the colour map from a 3D plot (such as surf() or mesh()) so it can be converted used as a colour file for a VRML97 or X3D file.
I have a 3D plot that I want to 3D print and I have been able to successfully output a .stl file with the help of surf2solid and stlwrite, but I would like to be able to print the surface colour using shapeways colour ceramic service.
Anyhelp or pointers in the right direction would be appreciated.
Scott

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回答（2 个）

Luca Piazza
Luca Piazza 2015-2-23
Hi Scott,
do you have any update on this matter? I'm facing the same problem ;)
Thanks Luca
Sean de Wolski
Sean de Wolski 2015-2-23
You can get the colormap from the figure and then the CData from the surface:
fig = figure;
s = surf(peaks);
cmap = fig.Colormap;
cdata = s.CData;
Now each index in cdata points to the color in that row of cmap.

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