> I am using POV for visualize my finite element analysis results of
> buildings. I use RGB color to represent the displacement of buildings. Now
> I need to put a color index which corresponds to the dispalcement. But I
> dont know how to make a color index in POV. Please somebody help me as 
> soon
> as possible early because next week I have a presentation.
> Thanks a lot in advance.

I'm not entirely clear as to what you mean.

You might want to look at image_map.
The colors come from an image file and can be mapped
onto a 3d object. (3.5.1.5  Image Maps)

If you have a list of  RGB colors you have computed,
then you might want to place them into an array.
(3.2.1.8.1  Declaring Arrays)

#declare disp = arrary[2];
#declare disp[0] = pigment{color <0,0,0>};
#declare disp[1] = pigment{color <1,1,1>};

then later you can use them like this

object { thing
   pigment{disp[0]}
}

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