"GioSeregni" <gms### [at] hotmail com> wrote:
> Bug hacked?
> old sprites concept? I'm under no illusions, I'll do more tests, but in
> this way I don't see the bug anymore
Using a transparent texture like that is very clever! However, it actually
*removes* the offending triangles... that is, it makes them invisible (if that
matters.) I had to test it to see. You might want to examine your renders to see
if that happened.
The attached image is my height_field again; close-ups are on the right side:
A-- the artifacts
B-- with interior_texture{pigment{rgbt 1}}. The artifact triangles are
missing (invisible).
C-- with interior_texture{-- same as exterior--}
but with finish{--ambient or emission value--} to try to match it.
The triangles are visible.
The scheme of using the same interior_texture as the outer one still looks
better, to my eyes.
[code taken from your image]
object{GO
interior_texture{pigment{rgb...}...
texture{pigment{image_map{gif "transp_GIF".gif... [or pigment{rgbt 1} ]
Although this scheme might appear to work for your model, it has a problem: The
interior_texture is the 'real' one, but it does not respond to the usual
'exterior' lighting in a scene because it is actually on the INSIDE surface of
the mesh. Only ambient or emission in its finish{...} is of any use, which does
not look very good-- at least for my own height_field.
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