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"motorsep" <nomail@nomail> wrote:
> Let's say I have base metal material, displacement image (lettering that has
> to be embossed) and 3 layers of rust. All of that has to be blended together
> via image masks I am going to create in GIMP.
> I have tried to experiment with material maps, but I get really weird
> results :(
> I don't get smooth transition between materials.
No, you won't generally get smooth transition between materials using
material maps. What you really want to use here is a texture_map. See
'3.5.5.1 Texture Maps' in the POV 3.6 docs. Using a texture_map, you can
get smooth or sharp transitions between textures.
Why do you want to use a displacement map for the text, rather than a POV
text object? Is the text distorted by the corrosion? Will you do the
displacement using a heightfield, a mesh, an isosurface, or just fake it
with normals? Decisions, decisions! :) Since you're new to POV, I'd suggest
using a heightfield or mesh, if the native text object isn't suitable.
Good luck with the rust. It can be very hard to get it to look right, but
there are a few rust experts around here, with great examples posted last
year. Just scan back through the 'images' group for pics and code.
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