[Sidefx-houdini-list] How to force all materials to be dump into IFD

Pablo Giménez pablogipi at gmail.com
Thu Jan 23 13:42:21 EST 2014


That's great thanks!
It is working now with the Declare SHOPS parameter.
Cheers.


2014/1/23 Mark Elendt <mark at sidefx.com>

> You can add the "Declare SHOPS" parameter to the output driver.
>
> This is the same issue as with packed primitives (which is discussed
> here:
>
> http://www.sidefx.com/index.php?option=com_forum&Itemid=172&page=viewtopic&p=140872#140872
>
> On Thursday Jan 23 at 01:38, Pablo Giménez wrote:
> > Hello.
> > I am playing developing some Mantra procedurals.
> > I have realized that if I want to use the shop_materialpath prim
> attribute
> > in my bgeos, loaded as delayed load, I need to have and ifd archive with
> > the materials definitions, this is done by the Mantra Archive ROP.
> > Well but this force you to have before hand the scene with the materials
> > and then bake your geo from that scene using the Mantra Archiver.
> > That creates a problem, because what I have is the path of the materials
> > assigned to my primitive shop_materialpath attribute. Then, in a
> different
> > scene this materials are created and geometry loaded into Mantra using
> > delayed load.
> > Problem is that because the materials are not linked to the object they
> are
> > not dumped into the IFD and even if I create some dummy objects liknked
> to
> > the materials they are defined in the IFD just as shaders, using
> > ray_startshader, no as materials objects, using ray_start material, ] so
> my
> > delayed loaded geo can not use them.
> > The questions is, is there any way I can dump all the shaders in my scene
> > as materials objects in the IFD even if they are nor linked to any
> geometry
> > object?
> > It would be like doing the same thing the Mantra Archiver is doing but
> for
> > all the shaders in the scene.
> > I hope I have explained the issue clear enough.
> > Thanks
> >
> > --
> > Un saludo
> > Best Regards
> > Pablo Giménez
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>
> --
> Mark Elendt
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-- 
Un saludo
Best Regards
Pablo Giménez



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