image_map pigment
// texture pigment {} attribute
// create a texture that lays an image's colors onto a surface
// image maps into X-Y plane from <0,0,0> to <1,1,0>
image_map {
png plasma3.png // the file to read (iff/tga/gif/png/jpeg/tiff/sys)
map_type 0 // 0=planar, 1=spherical, 2=cylindrical, 5=torus
interpolate 2 // 0=none, 1=linear, 2=bilinear, 4=normalized distance
// once // for no repetitive tiling
// [filter N V] // N=all or color index # (0...N), V= value (0.0...1.0)
// [transmit N V] // N=all or color index # (0...N), V= value (0.0...1.0)
// [use_color | use_index]
} // image_map