[Sidefx-houdini-list] mantra -u and shading layers

Ivan DeWolf ivan at martian-labs.com
Tue Mar 11 17:51:53 EDT 2008


attribute SOP, 
rename uv to uv_ORIGINAL,
rename uv3 to uv

..?

Quoting guillaume laforge <guillaume.laforge.3d at gmail.com>:

> Hi,
> 
> Thanks for your idea. But I don't get the point. Here is an example :
> 
> One shader using two textures. Texture A use uv, and texture B use uv2. Then
> I would like to render map an object using this shader.
> So I create an other uv (uv3) to unwrap my uvs (as for example, uv and uv2
> were create before a copy sop). How can I setup mantra -u to render in the
> uv3 space ?
> 
> Cheers
> 
> Guillaume
> 
> On Tue, Mar 11, 2008 at 10:06 PM, Peter Robbinson <probbins at sympatico.ca>
> wrote:
> 
> > I haven't thought this through completely, but I would say you can use
> > Takes, and
> > assign mantras to specific takes, and assign different uv layers to the
> > appropriate takes.
> >
> >
> > PeterR
> >
> > guillaume laforge wrote:
> > > Hi,
> > >
> > > Is it possible to tell Mantra wich uv is used for the unwrap when using
> > > mantra -u ?
> > >
> > > Actually I create an attribute sop to delete all the uvs except the
> > unwrap
> > > one. Then I must create an other attribute sop to rename the unwrap
> > > projection 'uv2' to 'uv'.
> > > As I rendermap an occlusion shader it is not a big deal but if I need
> > all my
> > > uv's to rendermap severals textures it could be a problem.
> > >
> > > So is it possible to specify wich uv is used for the unwrap using mantra
> > -u
> > > ?
> > >
> > > Cheers
> > >
> > >
> >
> > --
> > "gravity is not a force, it is a boundary layer"
> > "everything is coincident"
> > "Love: the state of suspended anticipation"
> > "To get any appreciable distance from the Earth in
> > a sensible amount of time, you must lie."
> > "Easy, is not how you make a living."
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> >
> 
> 
> 
> -- 
> Guillaume Laforge
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> 


-Ivan

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