Re: dxftoiv

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Ralph Seguin (seguin++at++vr1.engin.umich.edu)
Tue, 22 Nov 1994 10:37:59 -0500

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In reply to: Chris Seal: "2 copies of 1 viewpoint"

> >The only one I'm aware of is the version on available via anonymous
> >ftp at sgi.sgi.com:/sgi/inventor/1.0/DxfToIv.tar.Z
> >
> >Although, have you verified that the DXF converter is the problem?
> >Assuming you're loading the resultant .iv files into a Performer
> >application, the Inventor loader shipped with Performer 1.2 could be
> >the culprit. To find out, load the model into 'ivview' and see if
> >the polygons are being dropped there as well. If so, the problem is
> >in the DXF converter. If not, it is a problem with LoadIv().

We have an 8M DXF file which dxftoiv produces a 104K iv file from ;)
While we'd like to get that kind of surface optimization for free, it
isn't quite right. We have verified that the problem does lie in dxftoiv.

> I use Open Inventor, not Performer, and I have the same problem. I have
> been modeling in Infini-D on the Mac, saving the model as a DXF file, and
> using DxfToIv. Often I am missing one or more faces on the Inventor model.
> I haven't checked, but they could be backwards and so they aren't drawn.
> I have only looked at them with ivview.

In our case, it is definitely throwing away information.

Thanks, Ralph

Next message: Shahram Shiri: "performer: flyby path from a file ?"
Previous message: Angus Henderson: "perpath"
In reply to: Chris Seal: "2 copies of 1 viewpoint"

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