# USD light not render properly

**URL:** <https://forums.chaos.com/t/usd-light-not-render-properly/191947>\
**Category:** Issues\
**Tags:** question\
**Created:** [October 15, 2026, 4:01pm UTC](https://forums.chaos.com/t/usd-light-not-render-properly/191947 "2026-10-15T16:01:49Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Mikhalenko](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/mikhalenko/32/32317_2.png) [@Mikhalenko](https://forums.chaos.com/u/Mikhalenko)\
**Post date:** [October 15, 2026, 4:01pm UTC](https://forums.chaos.com/t/usd-light-not-render-properly/191947/1 "2026-10-15T16:01:49Z")

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Hello,  
I have USD stage made in Houdini, I scattered Lights and they renders ok in Houdini, but in 3ds max when I load stage with 3ds max USD stage, for some reasosns it ignore Vray light properties that I set in houdini (decay, directionality etc.) Is it bug or not supported feature?

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<div class="post-metadata">

**Author:** ![hermit.crab](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/hermit.crab/32/46825_2.png) [@hermit.crab](https://forums.chaos.com/u/hermit.crab)\
**Post date:** [October 16, 2026, 10:46am UTC](https://forums.chaos.com/t/usd-light-not-render-properly/191947/2 "2026-10-16T10:46:25Z")

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Does it render correctly in Standalone? Open vray.exe in cmd, and use the `-sceneFile` flag, which works for .usd files to test. If yes, mind if you [send me](https://upload.chaos.com/dropzone/aleksandar.hadzhiev) the USD Stage?