[Sidefx-houdini-list] point cloud in shader to live operator

Tom Nixon ignivomous at gmail.com
Tue Mar 28 13:53:45 EDT 2017


I see. I was attempting this in H16, (but could've sworn I'd done it a
couple versions ago).

I didn't manage to get it working in my H16 setup.

Many thanks,
Tom

On Fri, Mar 24, 2017 at 12:19 PM, Mark Elendt <mark at sidefx.com> wrote:

> I believe Houdini itself supports the op: syntax on point clouds.  But
> not necessarily in mantra.  Mantra doesn't know about the nodes in
> Houdini.  So, you can use op: in SOPs or wrangles, but not easily in
> shaders.
>
> On the other hand, in H16, if the op: path specifies the path to a
> SOP, AND, the SOP is sent to the IFD (i.e. rendered), then I believe
> the op: syntax should work in mantra now.  The hairgen/groom process
> uses this.
>
> On Friday Mar 24 at 12:01, Tom Nixon wrote:
> > Hey everyone,
> >
> > I am unsure as to whether I'm having a false memory here. I have at least
> > one confirmation in-house of Houdini once supporting op syntax in the
> file
> > path for a pointcloud on a shader, but others are telling me it never
> did.
> >
> > I recall being about to put op:/obj/path/to/node and getting the desired
> > result. I'm finding now that I have to cache that out to disk to get it
> > working.
> >
> > Am I totally off, and it was never supported, or is this a bug?
> >
> > Thanks,
> > Tom
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> --
> Mark Elendt
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