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Lights place below floor level?

DekeDeke Posts: 1,635
in New Users

I'm rendering in Iray from 4.9 and it seems any lights placed below the ground plant lighting the belly of a aircraft don't show in the render. Does Iray think there's a solid ground there when there isn't anything in the scene?

Comments

  • mjc1016mjc1016 Posts: 15,001

    Short answer...yes.

    You'll need to turn the 'ground' off...I believe it is in the Render Settings tab.

  • DekeDeke Posts: 1,635

    It seems to happen even when ground is turned off...ie not rendered in iray.  

  • jestmartjestmart Posts: 4,449

    Yes Iray considers that is always a ground plane even when it is set to off (which is just a visibility switch and should be renamed).  Generally if you could not do it in the real world you cannot do it in Iray

  • FishtalesFishtales Posts: 6,162

    Use Infinite/Finite but not the 'with ground' and turn Draw Ground to off. It wont work if there is a ground plane with any geometry between the camera/light and the sky.

     

  • DekeDeke Posts: 1,635

    Thanks Fishtales, that did the trick.

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