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Rendering with Arnold in Houdini and Solaris using the HtoA plug-in.
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Camera overrides in Kick for .ass files generated in Houdini.

6 REPLIES 6
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Message 1 of 7
Anonymous
449 Views, 6 Replies

Camera overrides in Kick for .ass files generated in Houdini.

Hi,

We are wanting to Kick render multiple cameras from a single .ass sequence generated in Houdini.

We have tried using the -c override to change the camera but Kick continues to render the camera set in the render settings in the Houdini Arnold render screen.

We are using the camera names as they appear in the .ass file, and there are no errors given in the feedback.

We have opened the .ass files and can see that the cameras are all present in the code.

Is there a step that we are missing in this?

Many thanks.

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6 REPLIES 6
Message 2 of 7
Stephen.Blair
in reply to: Anonymous

I did a quick test and it worked.

camera_test.txtkick -v 5 -dp -c /persp/perspShape

with the attached ass file (rename from .txt to .ass)



// Stephen Blair
// Arnold Renderer Support
Message 3 of 7
Anonymous
in reply to: Stephen.Blair

Many thanks.

I tried your example which worked for me fine, but when I replaced with my .ass file I get the same result of it rendering the original camera.

I have attached the result in the shell window in case you can see what is happening.

RenderTest_PG_HtoA.txt

Thanks again.

Message 4 of 7
Stephen.Blair
in reply to: Anonymous

Ok, HtoA puts the camera name in the output statements.

So, kick -c changes the camera used by the kick display, but not the camera used to write out the beauty and the other AOVs.



// Stephen Blair
// Arnold Renderer Support
Message 5 of 7
Anonymous
in reply to: Stephen.Blair

Is there any possible way of having multiple cameras rendering from such an .ass file?

Or changing the that HtoA puts the camera into the output statements?

Message 6 of 7
Stephen.Blair
in reply to: Anonymous

Maybe a search_replace operator? eg that selects the options node and replaces "cam1" with "cam2"

Then you would use -set string_replace.replace on the kick command line.

I haven't tested that though.



Or, have separate ass files for the options eg cam1_options, cam2_options.

then

kick cam1_options.ass rest_of_scene.ass




// Stephen Blair
// Arnold Renderer Support
Message 7 of 7
Anonymous
in reply to: Stephen.Blair

Many thanks. I'll give it a try.

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