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In lugnet.build.sculpture, David Winkler wrote:
A friend of mine was raving about how good
Poser6 was. So I bought a
copy. I have gotten a prototype to export from Poser6 to basic Lego outline.
Most of this was just getting the model into a format that could be used in
the manner that I described for the
Stanford Bunny. This would
then allow instructions to be
generated.
The real problem was dealing with the fact that the poser models are in
general not watertight. This causes some problems with CSG operations, but
this can be dealt with.
I used the rib file export. I filtered out the ground and camera. The rest
of the triangles I arranged into povray mesh2 format. I declared this mesh2
as a macro with the inside_vector as a parameter of the macro.
#macro MeshObject(outsideVector)
mesh2 {
vertex_vectors {
...
}
face_indices {
...
}
inside_vector outsideVector
}
#end
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This then allows the macro to be used in several overlapping copies to deal
with the holes in the model:
...
union
{
intersection
{
MeshObject(<0,0,1>)
MeshObject(<0,0,-1>)
}
intersection
{
MeshObject(<0,1,0>)
MeshObject(<0,-1,0>)
}
intersection
{
MeshObject(<1,0,0>)
MeshObject(<-1,0,0>)
}
}
...
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This seems to work filling in the holes in the model. It does slow down the
rendering a lot, but is necessary.
Then slices are rendered through the model as described in the bunny document
(using the above union in the bunny’s intersect block). These slices are
shrunk down to the correct size, and then each pixel is interpreted as a 1x1
brick. This output could then be passed to the
filling software, but a friend says that he would prefer just to fill in the
outlines by hand.
The results appear good.
Important Note: I am not a lawyer. I don’t know about the licensing issues
associated with the Poser models. There may be issues using these in
sculptures for sale. Is this a “still image” or a “simplification”?
-dw
----
This might be of interest to .cad.ray. X-posted
Tim
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Message is in Reply To:
 | | Using Poser6 to generate Lego sculptures.
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| A friend of mine was raving about how good (URL) Poser6> was. So I bought a copy. I have gotten a prototype to export from Poser6 to basic Lego outline. Most of this was just getting the model into a format that could be used in the manner that I (...) (19 years ago, 10-Nov-05, to lugnet.build.sculpture, FTX)
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