I love your heightfield idea, and I have another.
Why not make a heightfield function, but instead of taking an image as
the original object, take a texture or pigment statement. using a
image_map you get the old typpe heightfield, and using any other
pigment, you can loose one stage in hf useage procedure. (many of us
create our height_fields in pov)
Sure, the pigment will need some scaling in all directions to fit
nicely, but this can't be a trouble for the coder. Anyone catching my
idea ?




-- 
//Spider 
( spi### [at] bahnhofse ) [ http://www.bahnhof.se/~spider/ ]
#declare life = rand(seed(42))*sqrt(-1);

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