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Houdini Lounge » Houdini 20 Rumors
- Tser
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The ability of Karma XPU to be able to handle larger resolution environment maps without using up all the available GPU memory.
Houdini Lounge » Houdini 20 Rumors
- Tser
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I'm really surprised that no one has mentioned a Shadow Catcher (Shadow Matte) for XPU in the same vein as what is in Arnold, this is very important for anyone using a Dome light with an environment texture. The existing compositing method is just not good enough. A Shadow Matte material which you place on a grid under your geometry to catch only the shadows and is transparent to everything else.
T.
T.
Solaris and Karma » Karma Shadow Matte
- Tser
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briansThanks for the heads up brians, are any of these methods the same as a shadow Matte material as what Arnold uses, as I don't want to have to composite a scene just to see what it will look like when doing look dev.Tser
Any news on the Shadow Matte functionality for XPU?
The next version of Houdini will have much better support for shadow mattes in XPU
namely
- shadow LPEs (eg"shadow;C.*"
)
- Holdout LPEe (eg"holdout;C.*"
or"holdout;C<..'torus'>.*"
etc...)
As a work around for now, I have a plane (grid) under my geometry with opacity mapping to blend its edges into the environment map, this plane (grid) catches the shadows from the geometry, it has various noise and normal mapping to simulate the ground of the environment map, this works o.k. but it's not as good as the real thing and a lot of work to set up.
T.
Solaris and Karma » Karma Shadow Matte
- Tser
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Any news on the Shadow Matte functionality for XPU?
Just holding out for this node to be created and I'm leaving Arnold for good...
BTW tried the holdout and it's not the same, we need to have a shadow catcher on a plane geometry so that the plane is transparent where the shadow is not present.
Just holding out for this node to be created and I'm leaving Arnold for good...
BTW tried the holdout and it's not the same, we need to have a shadow catcher on a plane geometry so that the plane is transparent where the shadow is not present.
Technical Discussion » Karma XPU, Matt Shadow catcher
- Tser
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Hi Guys, I'm now moving to XPU from many years of using Arnold, XPU is such a great renderer, the only issue I have with my renders is the Shadow Matte, I have been using a plane with a texture on it's Opacity channel to blend the plane into the Dome Light's map so I can catch the shadows, this works o.k. for still shots, but takes quite a bit to set it up.
Is there any eta on when a shadow catcher will be added to XPU?
Again, great work on this beautiful renderer.
T.
Is there any eta on when a shadow catcher will be added to XPU?
Again, great work on this beautiful renderer.
T.
Houdini Lounge » Any houdini 19.5 rumors?
- Tser
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I'm hoping for XPU Shadow Matte, expansion to Polydraw so it has the same functionality as Maya's Modeling Toolkit, like dragging outside an object and across it to cut, mirrored manipulations (similar to what's in the Edit node). But I can live with the existing Polydraw, but I really need a Shadow Matte in XPU GPU so that I can ditch Arnold forever, here's hoping...
Houdini Lounge » Any houdini 19.5 rumors?
- Tser
- 48 posts
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All I would like to see is Karma XPU with Shadow Matte capability just like every other renderer out there.
Technical Discussion » Shadow Matte
- Tser
- 48 posts
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Hi guy's, absolutely loving Karma and Karma XPU, so fast and stable, just wondering
if the shadow matte is in the future, as I really need the shadow on a plane using a
spherical environment map, I tried the Plate method, but it just didn't do it for me.
Thanks for this wonderful piece of software.
T.
if the shadow matte is in the future, as I really need the shadow on a plane using a
spherical environment map, I tried the Plate method, but it just didn't do it for me.
Thanks for this wonderful piece of software.
T.
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