[Sidefx-houdini-list] Finding all unused points (HDK)

Jim Price shadeops at gmail.com
Tue Feb 2 09:12:30 EST 2010


Opps, my apologies.  Yea, aside from looping through each point and testing
with isPointUsed(...), I can't think of anything.


On Tue, Feb 2, 2010 at 2:10 AM, David Johnson <daveinengland at gmail.com>wrote:

> Thanks Jim,
>
> I saw that one and have used it, but I was actually trying to find all the
> points that weren't being used (i.e. the ones that would be deleted by this
> function) so that I could process only them. I think I have a way to
> maintain an "unused list", but it's bookkeeping and that always messes me
> up.  :)
>
> Dave
>
> On Mon, Feb 1, 2010 at 10:37 PM, Jim Price <shadeops at gmail.com> wrote:
>
> > In GB_Detail there are some various methods to remoe unused points.
> >
> > 00134     //  Remove any unused points, and zero area polygons, zero
> volume
> > 00135     //  spheres etc.
> > 00136     //  If a primitive group is specified, then only primitives in
> > that
> > 00137     //  group are checked for degeneracy.
> >
> > <snip>
> > 00147     int          removeUnusedPoints(const GB_PointGroup
> > <http://www.sidefx.com/docs/hdk10.0/class_g_b___point_group.html>
> > *ptgrp = 0);
> >
>



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