gradient background in Raster3D ?

[Steven Weigand]

You can try puting a plane (two triangles) in the background with
colored verticies.  For this you need version Raster3D V2.4f though.

---
Steven Weigand                   mailto:steve at xray1.pharm.nwu.edu
Dept. Mol. Pharm. Biol. Chem. -- S215   Lab phone: (312) 503-0813
Northwestern University Medical School
303 East Chicago Ave. Chicago, IL 60611
-------------- next part --------------
Template file for MolScript v1.4 output to render file (Raster3D)
63 63     tiles in x,y; small: 63 47, large: 80 64, print:165 125 (pixel mode 3)
18 18     pixels (x,y) per tile; small and large: 24 24, print: 30 30
3         pixel mode: 3x3 virtual pixels -> 2x2 pixels
1 1 1     RGB background colour; white
T         F = no shadows cast, T = shadows
25        Phong power
0.20      Straight-on (secondary) light contribution
0.05      ambient light contribution
0.40      specular reflection component
4.0       eye position
1 2 1     main light source position; over right sholder
1 0 0 0   input coordinate, radius transformation
0 1 0 0
0 0 1 0
0 0 0 0.75
3          mixed objects
*          (free format triangle and plane descriptors)
*          (free format sphere descriptors)
*          (free format cylinder descriptors)
1
-0.50 -0.50 -0.50 -0.50 0.50 -0.50 0.50 -0.50 -0.50 0 0 0.25
17
0.0 0.0 0.5 0.5 0.5 1.0 0.0 0.0 0.5
1
-0.50 0.50 -0.50 0.50 -0.50 -0.50 0.50 0.50 -0.50 0.25 0.25 1
17
0.5 0.5 1.0 0.0 0.0 0.5 0.5 0.5 1.0
0