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Full Version: V4 beta Oct-17-2018 available now - SubD to NURBS conversion

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From: Frenchy Pilou (PILOU)
26 Feb 2019   [#259] In reply to [#258]
Ok That works with Wings 3D! ;)

(ps when you have such single object put it at the origine and not at the out of space! ;)

But your file has curious colors in some other free prog MeshLab, MeshMixer...

Here the OBJ...http://moiscript.weebly.com/uploads/3/9/3/8/3938813/rohr4.obj



And for this simple object you have better time to redraw it in Moi! ;)
Because 2 Millions polys at Maximum export is maybe not a cool deal! :).



And seems your model has some defaults...


From: bemfarmer
26 Feb 2019   [#260] In reply to [#258]
The two ends of the tubes have triangles, and T vertices.
By importObj script, and splitting the ends triangles, and saving, the tube will subD, but the ends are still polygons...
- Brian
From: Lordfox
26 Feb 2019   [#261]
@Pilou
I dont understand, why you see 2 Million Polys? But thanx, I will try out other pivot-settings.

@bemfarmer
thank you too - so I will take look to this too

I'm happy now .. it was my fail - did overwork the tube-ends. Now ist fine ...
https://i.imgur.com/ByHQ19d.jpg
From: Frenchy Pilou (PILOU)
26 Feb 2019   [#262] In reply to [#261]
When you import it by SUbD inside Moi
then export it as obj you have a choice to 67 000 (mini) to 2 000 000 polys (maxi) ;)
From: Michael Gibson
26 Feb 2019   [#263] In reply to [#258]
Hi Lordfox,

re:
> But one Polygon-Object I cant load with the SubD Tool. I dont know why, its very simple, no holes,
> only quads (754 Vertices) ... hmmm I dont know .... created in Silo 2.5.5.

It's because there are errors in the mesh structure, some degenerate faces and some faces with inconsistent normal directions.

The Rhino check command says:
quote:

This is a bad mesh.

Here is what is wrong with this mesh:
Mesh has 4 degenerate faces.

Important things to consider with this mesh:
Mesh has 128 faces with directions different from the mesh as a whole. Although this does not
necessarily mean that the mesh is bad, it can cause problems if you're doing mesh boolean operations with it.
Mesh has 4 pairs of faces that intersect each other. Although this does not
necessarily mean that the mesh is bad, it can cause problems if you're doing mesh boolean operations with it.


You may be able to fix it by using the "unify normals" tool in Silo:
https://nevercenter.com/silo3d/wiki/index.php?title=Unify_Normals

In the next v4 beta which should be released just later today, the sub-d conversion will skip over the problematic faces and give this result:



- Michael

Image Attachments:
lordfox_subd_import.jpg 


From: Lordfox
27 Feb 2019   [#264]
Thanx ;) - so its a problem of silo, wrong faced polygons in silo sometimes black and I see it and I fix it, but in somtimes my silo-object looks clean and the wrong polygon(s) are not "black" in silo.
I will set a wacom key, that makes all faces unify and after this a save.

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