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houdini curve to AutoCAD/dwg/Illustrator

 
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tkluysk
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Joined: 11 May 2006
Posts: 9
Location: LA

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PostPosted: Sun Oct 18, 2009 10:29 pm GMT    Post subject: houdini curve to AutoCAD/dwg/Illustrator Reply with quote

I'm trying to find a good solution to cleanly translate a simple Houdini curve (an open polyline or NURBS curve) for import in AutoCAD. Ideally .dwg format. I could be happy with just getting into Illustrator, but the real challenge is AutoCAD.

To be honest, I've already done it. Export as IGES, then import in AutoCAD using a custom importer:
http://www.sharewareconnection.com/iges-import-for-autocad.htm
It's 200$ though, and I'm looking for a free, and (ideally) clean and easy solution.

Shoot!
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edward
Houdini Guru


Joined: 04 Jul 2002
Posts: 5643
Location: Toronto

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PostPosted: Mon Oct 19, 2009 12:10 am GMT    Post subject: Reply with quote

I haven't tried but polygon lines might transfer via .dxf files.
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kuba
Houdini Expert


Joined: 31 Jul 2005
Posts: 344

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PostPosted: Mon Oct 19, 2009 2:54 am GMT    Post subject: Reply with quote

There are some differences how houdini outputs header information in dxf files then how it is in autocad. Most of the time i was getting a nasty crash while loading them. Looks like autocad is looking for some lines which are not exported from houdini. On the other hand Rhino or Bricscad handle them correctly. Sadly houdini is not a perfect tool for working together with CAD Software. For me though IGES and Rhino (as a converter) combination is quite decent solution.
Cheers,
Kuba
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tkluysk
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Joined: 11 May 2006
Posts: 9
Location: LA

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PostPosted: Mon Oct 19, 2009 11:39 am GMT    Post subject: Reply with quote

Yeah, dxf is not an option. The Houdini export to dxf insists on triangulating (even curves), with disastrous results.

I'll try the Rhino way, but I'm open for more suggestions.

Thanks!
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kuba
Houdini Expert


Joined: 31 Jul 2005
Posts: 344

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PostPosted: Mon Oct 19, 2009 1:34 pm GMT    Post subject: Reply with quote

What I would like to see in the next houdini releases is opnNurbs and dwg support. That would be a huge improvement and would link the gap between most of the CAD software.
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tkluysk
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Joined: 11 May 2006
Posts: 9
Location: LA

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PostPosted: Mon Oct 19, 2009 11:38 pm GMT    Post subject: Reply with quote

I'm on Mac and I got lucky: there's a free-to-use dev version of Rhino available for download. Rhino does a superb job at importing my Houdini IGES, and exporting it as a dwg. It imports flawlessly into Illustrator and AutoCAD.

http://community.irhino3d.com/
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