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Rim Light Rig Iray - what causes the lights to show up as white discs in the render?

dracorndracorn Posts: 2,363
edited August 2018 in The Commons

I have two RLR's (Spotlight rigs), one focusing on each lion.  What causes a couple of the spotlights to show up as white discs?  Is it because the lights are facing the camera?

What can I do to fix this?

Post edited by dracorn on

Comments

  • Cris PalominoCris Palomino Posts: 12,513

    Does it have mesh lights?

  • dracorndracorn Posts: 2,363
    Yes it does, but I haven't tried those yet. I thought this might be an issue with spotlights in general, but if it is exclusive to RLR, then I need to post my questions in Marshian's commercial thread.
  • jestmartjestmart Posts: 4,449

    The is known issue when a light with geometry is seen through transparencies like hair.

  • davesodaveso Posts: 7,832

    what is RLR ?

  • nemesis10nemesis10 Posts: 3,807
    daveso said:

    what is RLR ?

    Rim Light Rig

  • dawnbladedawnblade Posts: 1,723

    In the details of the product page, Marshian recommends "removing any texture maps from the glossy channels." Having said that, I posted a similar issue on page 2 of the commercial thread where some of the planes were showing up in the render. Best I could do to avoid it was angle the rig off to the side.

  • zombietaggerungzombietaggerung Posts: 3,850

    if it's an actual photometric spotlight couldn't you change the light geometry from Disk to Point? Or maybe make it's Height/Width smaller? You may wind up having to make the lights either brighter or darker, but it won't show up in the render.

  • dawnbladedawnblade Posts: 1,723
    zombietaggerung said:

    if it's an actual photometric spotlight couldn't you change the light geometry from Disk to Point? Or maybe make it's Height/Width smaller? You may wind up having to make the lights either brighter or darker, but it won't show up in the render.

    The rig is made up of I think 12 spotlights, so I'm wondering if changing them to point will create such dark, sharp shadows that it would be difficult to get the effects like in the promos.

  • dracorndracorn Posts: 2,363

    Just to note that this effect doesn't always happen.  I've seen it about 3 times now.  I have changed the lumins, reducing them on the white lion and increasing them on the black one.

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