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Procedural does not render motion blur for primvar.velocities #1868

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xsisupport opened this issue Feb 21, 2024 · 2 comments · Fixed by #1887
Closed

Procedural does not render motion blur for primvar.velocities #1868

xsisupport opened this issue Feb 21, 2024 · 2 comments · Fixed by #1887
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bug Something isn't working

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@xsisupport
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Describe the bug
Render delegate renders motion blur, but procedural (sick, kick) do not.

If I convert the usda file to ass, I can see that the motion keys are exactly the same for each point.
In contrast, the hddebug ass file from Solaris has good motion keys.

To Reproduce
Steps to reproduce the behavior:

  1. Extract the attached zip, load the hip file, and render with Direct USD Render.
    or
    kick the attached usd file

particles_mb.zip
usda.zip

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
primvar_velocities

Used Software Versions

  • Houdini, HtoA
@xsisupport xsisupport added the bug Something isn't working label Feb 21, 2024
@autodesk-oss-arnold-bot
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Issue synced internally to ARNOLD-14762

sebastienblor added a commit to sebastienblor/arnold-usd that referenced this issue Mar 18, 2024
@sebastienblor
Fix PointInstancer velocities support Autodesk#1868
6ce457c
@sebastienblor sebastienblor mentioned this issue Mar 18, 2024
Merged
sebastienblor added a commit to sebastienblor/arnold-usd that referenced this issue Mar 19, 2024
@sebastienblor
Fort fixes to the render delegate Autodesk#1868
a9c2014
sebastienblor added a commit that referenced this issue Mar 19, 2024
@sebastienblor
Fix PointInstancer velocities support (#1887)
9bd7381 
* Fix PointInstancer velocities support #1868

* Add changelog

* Fort fixes to the render delegate #1868
@sebastienblor
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Note that, for the fix to work, the attribute needs to be set as "velocities" and not "primvars:velocities"

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Arnold USD
Status: Done
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Fix PointInstancer velocities support sebastienblor/arnold-usd
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@xsisupport @sebastienblor