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I had the same difficulty (With the hard edges on the stones) so I took the
mapping image back into photoshop and feathered it with a gaussian blur 0.5
radius.
A.D.B
Ib Rasmussen wrote:
> banty wrote:
> >
> > I've been trying to create an image with a cobblestone type street
> > but, while i can get the bump map to work, I cant get pov to layer over
> > it with a material map so that there's variation in the coloring of the
> > rocks. I keep getting a message "Cannot layer a patterned texture over
> > another."
> > Is there a way around this problem or do I have to ditch depth in
> > favor of color?
>
> I have made cobblestones with the following code. The attached image
> shows how it looks. It is not great, but perhaps you can improve on the
> technique. The bump_map image is a 256 colour grayscale image, that give
> the depth info, and the material_map image is the same image reduced to
> 2 colours.
>
> #declare T_Brosten1=texture {
> T_Grnt15 scale 0.003
> normal {
> bump_map {
> gif "brosten256.gif"
> bump_size 5.0
> }
> }
> }
>
> #declare T_Brosten2=texture {
> T_Stone6 scale 0.0003
> normal {
> bump_map {
> gif "brosten256.gif"
> bump_size 5.0
> }
> }
> }
>
> #declare T_Brosten=texture {
> material_map {
> gif "brosten2.gif"
> texture { T_Brosten1 }
> texture { T_Brosten2 }
> }
> scale <435, 300, 1>
> }
>
> /Ib
>
> ------------------------------------------------------------------------
> [Image]
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