# Light linking broken for Vray rect lights?

**URL:** <https://forums.chaos.com/t/light-linking-broken-for-vray-rect-lights/27972>\
**Category:** Issues\
**Created:** [April 15, 2011, 12:06am UTC](https://forums.chaos.com/t/light-linking-broken-for-vray-rect-lights/27972 "2011-04-15T00:06:35Z")\
**Posts on this page:** 10\
**Page:** 1

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**Author:** ![Metzger](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/metzger/32/3024_2.png) [@Metzger](https://forums.chaos.com/u/Metzger)\
**Post date:** [April 15, 2011, 12:06am UTC](https://forums.chaos.com/t/light-linking-broken-for-vray-rect-lights/27972/1 "2011-04-15T00:06:35Z")

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I am using one of the last nightly builds.. Trying to light link proxies via relationship editor but it doesn’t want to take.. I know this worked on linux using maya2009. Doesn’t want to work for me in Maya 2011 for Windows though..

Any thoughts?

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**Author:** ![t.petrov](https://avatars.discourse-cdn.com/v4/letter/t/c68b51/32.png) [@t.petrov](https://forums.chaos.com/u/t.petrov)\
**Post date:** [April 15, 2011, 8:09am UTC](https://forums.chaos.com/t/light-linking-broken-for-vray-rect-lights/27972/2 "2011-04-15T08:09:12Z")

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Hi,  
Seems to work here.  
Can you tell me the exact version you’re using?  
Can you give me the exact steps to reproduce or a test scene?

(you can send the scene to [teodor.petrov@chaosgroup.com](mailto:teodor.petrov@chaosgroup.com))

Best regards,  
Teodor

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**Author:** ![Metzger](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/metzger/32/3024_2.png) [@Metzger](https://forums.chaos.com/u/Metzger)\
**Post date:** [April 15, 2011, 8:20am UTC](https://forums.chaos.com/t/light-linking-broken-for-vray-rect-lights/27972/3 "2011-04-15T08:20:57Z")

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Using Maya2011 under Windows. Build 14535.

I have a scene file with 5million+ polys ontop of a few million more that are proxy. I then create a Vray rect light. Attach an exr texture to texture and duplicate the light with upstream connections turned on a few times. When I go to the light centric relationship editor and select the geo I wish to unlink it doesn’t show the geo highlighted at all. Clicking anywhere does nothing.

I will try to shoot over a scene. Works fine with non vray lights. I sware it worked in a previous build in Maya 2009 in Linux.

Thanks Teodor!

-Scott

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**Author:** ![Metzger](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/metzger/32/3024_2.png) [@Metzger](https://forums.chaos.com/u/Metzger)\
**Post date:** [April 15, 2011, 9:01am UTC](https://forums.chaos.com/t/light-linking-broken-for-vray-rect-lights/27972/4 "2011-04-15T09:01:16Z")

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It Seems to happen in OSX for Maya 2011 too. Using the first 2.0 beta release. You can just create a sphere, then a vray rect light. Same thing happens.

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**Author:** ![Sequenz](https://avatars.discourse-cdn.com/v4/letter/s/f05b48/32.png) [@Sequenz](https://forums.chaos.com/u/Sequenz)\
**Post date:** [April 15, 2011, 11:50am UTC](https://forums.chaos.com/t/light-linking-broken-for-vray-rect-lights/27972/5 "2011-04-15T11:50:33Z")

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Seems to work fine here with Maya 2011 Sp1 under Win 7 64bit and NB from 110130.

What sort of exr texture do you attach to the light? Is this for faking a e.g. studio light?

All the best,  
Lars

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**Author:** ![t.petrov](https://avatars.discourse-cdn.com/v4/letter/t/c68b51/32.png) [@t.petrov](https://forums.chaos.com/u/t.petrov)\
**Post date:** [April 15, 2011, 11:52am UTC](https://forums.chaos.com/t/light-linking-broken-for-vray-rect-lights/27972/6 "2011-04-15T11:52:32Z")

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It seems to be broken in 2.0 beta2, but not in the nightlies, pretty strange.  
I’ve tested on MacOSX. I would test on windows, too, but later today.

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<div class="post-metadata">

**Author:** ![Metzger](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/metzger/32/3024_2.png) [@Metzger](https://forums.chaos.com/u/Metzger)\
**Post date:** [April 15, 2011, 5:44pm UTC](https://forums.chaos.com/t/light-linking-broken-for-vray-rect-lights/27972/7 "2011-04-15T17:44:58Z")

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Are you guys running Maya on Quadro cards? Perhaps its a display issue with Vray and Quadro cards? I am using a QuadroFX4000.

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**Author:** ![Sequenz](https://avatars.discourse-cdn.com/v4/letter/s/f05b48/32.png) [@Sequenz](https://forums.chaos.com/u/Sequenz)\
**Post date:** [April 15, 2011, 7:11pm UTC](https://forums.chaos.com/t/light-linking-broken-for-vray-rect-lights/27972/8 "2011-04-15T19:11:17Z")

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No Quadro cards involved here.

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<div class="post-metadata">

**Author:** ![Metzger](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/metzger/32/3024_2.png) [@Metzger](https://forums.chaos.com/u/Metzger)\
**Post date:** [April 16, 2011, 3:40am UTC](https://forums.chaos.com/t/light-linking-broken-for-vray-rect-lights/27972/9 "2011-04-16T03:40:00Z")

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I have a 2.0 beta install for OSX where it breaks, and a 14535 build at work under windows where its broken.

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**Author:** ![ivaylo.ivanov](https://avatars.discourse-cdn.com/v4/letter/i/eb8c5e/32.png) [@ivaylo.ivanov](https://forums.chaos.com/u/ivaylo.ivanov)\
**Post date:** [April 18, 2011, 2:48pm UTC](https://forums.chaos.com/t/light-linking-broken-for-vray-rect-lights/27972/10 "2011-04-18T14:48:44Z")

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Yep, it was broken in the beta. It’s fixed in the new builds
