[Sidefx-houdini-list] build a poly mesh from a vertex position face connection list

David Johnson daveinengland at gmail.com
Tue Feb 16 01:41:02 EST 2010


You don't need a group. It will make all of the faces that share edges face
generally the same direction as their neighbors. And it will operate on the
whole gdp (geometry stream). This will do essentially what the Facet SOP
would do if you only clicked the "Orient Polygons" button.

Dave

On Mon, Feb 15, 2010 at 10:12 PM, katrin schmid <Katisss at gmx.de> wrote:

> hi,
> i just read about it.
> Put all the vertices in a group and apply it?
> So the winding order is counter clockwise?
> Best Regards
> katrin
>
> -------- Original-Nachricht --------
> > Datum: Mon, 15 Feb 2010 21:56:27 -0800
> > Von: David Johnson <daveinengland at gmail.com>
> > An: sidefx-houdini-list at sidefx.com
> > Betreff: Re: [Sidefx-houdini-list] build a poly mesh from a vertex
> position   face connection list
>
> > Check the GU_Detail::orient() function for getting all the normals to
> face
> > the same way.
> >
> > On Mon, Feb 15, 2010 at 9:46 PM, katrin schmid <Katisss at gmx.de> wrote:
> >
> > > hi,
> > > so after testing with larger examples i find the
> > > normals flipped in some parts of the model.
> > > Also connectivity is not working right in some areas of quad meshes.
> > > Any documentaion, examples etc on that.
> > > Thank you,
> > > katrin
> > >
> > >
> > > -------- Original-Nachricht --------
> > > > Datum: Mon, 15 Feb 2010 14:52:31 +0100
> > > > Von: "katrin schmid" <Katisss at gmx.de>
> > > > An: sidefx-houdini-list at sidefx.com, andy at andynicholas.com
> > > > Betreff: [Sidefx-houdini-list] build a poly mesh from a vertex
> > position
> > > face  connection list
> > >
> > > > hi,
> > > > so it in  found the Hdk 10 docs.
> > > > Cube looks great now.
> > > > Best Regards,
> > > > katrin
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