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Rendering with Arnold in Houdini and Solaris using the HtoA plug-in.
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how to render cryptomatte in Solaris

18 REPLIES 18
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Message 1 of 19
awu2500
2215 Views, 18 Replies

how to render cryptomatte in Solaris

I use a RenderVar to render cryptomatte aov in Solaris,it doesn't work

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18 REPLIES 18
Message 2 of 19
Stephen.Blair
in reply to: awu2500

Not supported yet.



// Stephen Blair
// Arnold Renderer Support
Message 3 of 19
awu2500
in reply to: Stephen.Blair

thanks Stephen , hope it can support that someday

Message 4 of 19
janik.otterbach
in reply to: awu2500

Any news here?
Is there a date when the render delegate will support Cryptomattes ?

Message 5 of 19
San-San-San
in reply to: awu2500

Cryptomatte appeared in render var filter parameter htoa 5.6.1.0screenshot-2021-06-09-164148.png

Message 6 of 19
david.ostler2WSX9
in reply to: awu2500

Anyone figured out how to use this?


Message 7 of 19

Cryptomatte is not supported yet. There's more to cryptomatte than the filter (AOV shaders in particular).



// Stephen Blair
// Arnold Renderer Support
Message 8 of 19
Creator4
in reply to: awu2500

Any updates on Cryptomatte support in Solaris? This is one of the only threads I've found that talks about it, and the last post was back in August so I figured I'd ask.

Message 9 of 19
Stephen.Blair
in reply to: Creator4

Support for imagers and cryptomatte depends on adding support for arbitrary node graphs. Some of that work is being done in https://github.com/Autodesk/arnold-usd/issues/964 during the current sprint




// Stephen Blair
// Arnold Renderer Support
Message 10 of 19
bogdan.amidzic
in reply to: awu2500

Any news on this? Should we switch to Karma?

Message 11 of 19
klausWDHQZ
in reply to: awu2500

Would like to know as well. Any update would be appreciated

Message 12 of 19
awu2500
in reply to: awu2500

Capture.PNG

is that mean Arnold will support cryptomatte at next release?

Message 13 of 19
Stephen.Blair
in reply to: awu2500

https://docs.arnoldrenderer.com/display/A5AFHUG/HtoA+6.1.2.0

  • First cryptomatte support : Cryptomatte can be setup through AOV shaders, but final frame rendering is currently supported only when the scene is exported to USD and rendered with kick (rendering cryptomatte with husk isn't supported yet) (HTOA-1591)


// Stephen Blair
// Arnold Renderer Support
Message 14 of 19
awu2500
in reply to: Stephen.Blair

thanks, I'll test that

Message 15 of 19
trashes
in reply to: awu2500

Hi to all,
I'm trying for the first time to render cryptomatte in htoa.
I can see RenderVar in typical crypto style , but it seems have no content. When I render exr, in nuke  I can't pick nothing, as if cryptoaov were empty.
Any idea?

thankyou

Message 16 of 19
trashes
in reply to: trashes

Hi,
issue was the same AOV shaders path of custom aov (ambient occlusion). If I have both (crypto and ao) doesn't work.
There's a way to have several AOV shaders path? or merge crypromatte with others aov write at the same time?
Message 17 of 19
Stephen.Blair
in reply to: trashes


@trashes wrote:
Hi,
issue was the same AOV shaders path of custom aov (ambient occlusion). If I have both (crypto and ao) doesn't work.
There's a way to have several AOV shaders path? or merge crypromatte with others aov write at the same time?

As of HtoA 6.1.4, you can have multiple aov shaders.
Picker doesn't seem to support it, but you can type in the names of multiple ArnoldNodeGraphs
If you use auto-complete, don't leave the trailing slash on the aov shader name


aov_shaders.png



// Stephen Blair
// Arnold Renderer Support
Message 18 of 19
trashes
in reply to: Stephen.Blair

with HtoA 6.3.1.2 doesn't work.
But if I put same path of AOV shaders, the same Render Vars Namespace in crypto hda and create cryptomatte shader to raplace standard name (cryptomatte shader), and I enable "Custom Output driver" I have in the same path both aov. It Works!
when I update htoa I will try it...thankyou Stephen
Message 19 of 19
awu2500
in reply to: Stephen.Blair

Hi,  Stephen, hou to render 16 bit half float cryptomatte exr with default  "arnold_cryptomatte_aovs"  node? I tried to change the datatype form 'color3f' to 'color3h' at the default script, but I just got a weird exr, some object became black,and can not be picked at nuke.

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