I am looking for color map that maps the deepest red at 0 value of my density
file and then works to green at .5 value and then works to deepest blue at the 1
value of my density file.

The kind of color map that you would use for a rain weather map.  I have worked
enough with colors to know that what I am looking for sounds easy, but might not
be easy at all.  RGB colors are kind of tricky.

The pov code below is an example of my format, but does not have the right color
map.



density {
         density_file df3 filename1
         interpolate 1
        color_map {
 [0.01 rgb <0,0,0>]
        [0.03 rgb <0,0,1>]
 [0.05 rgb <0,0,0>]
        [0.07 rgb <0,1,0>]
 [0.09 rgb <0,0,0>]
        [0.11 rgb <1,0,0>]
 [0.13 rgb <0,0,0>]
        [0.15 rgb <0,0,1>]
 [0.17 rgb <0,0,0>]
        [0.19 rgb <0,1,0>]

 [0.21 rgb <0,0,0>]
        [0.23 rgb <1,0,0>]
 [0.25 rgb <0,0,0>]
        [0.27 rgb <0,0,1>]
 [0.29 rgb <0,0,0>]
        [0.31 rgb <0,1,0>]
 [0.33 rgb <0,0,0>]
        [0.35 rgb <1,0,0>]
 [0.37 rgb <0,0,0>]
        [0.39 rgb <0,0,1>]

        [0.41 rgb <0,0,0>]
        [0.43 rgb <0,1,0>]
 [0.45 rgb <0,0,0>]
        [0.47 rgb <1,0,0>]
 [0.49 rgb <0,0,0>]
        [0.51 rgb <0,0,1>]
 [0.53 rgb <0,0,0>]
        [0.55 rgb <0,1,0>]
 [0.57 rgb <0,0,0>]
        [0.59 rgb <1,0,0>]

 [0.61 rgb <0,0,0>]
        [0.63 rgb <0,0,1>]
 [0.65 rgb <0,0,0>]
        [0.67 rgb <0,1,0>]
 [0.69 rgb <0,0,0>]
        [0.71 rgb <1,0,0>]
 [0.73 rgb <0,0,0>]
        [0.75 rgb <0,0,1>]
 [0.77 rgb <0,0,0>]
        [0.79 rgb <0,1,0>]

        [0.81 rgb <0,0,0>]
        [0.83 rgb <1,0,0>]
 [0.85 rgb <0,0,0>]
        [0.87 rgb <0,0,1>]
 [0.89 rgb <0,0,0>]
        [0.91 rgb <0,1,0>]
 [0.93 rgb <0,0,0>]
        [0.95 rgb <1,0,0>]
 [0.97 rgb <0,0,0>]
        [1.00 rgb <1,1,1>]


         }
      }

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