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iRadiance - HDR Mesh Lights Volume 2 for Iray

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Comments

  • UthgardUthgard Posts: 866

    barbult said:

    Uthgard said:

    I think what they are saying is that they will use LDR for opacity and HDR for luminance (thus the increased memory consumption).

    Thank you for the explanation.

    Considering how much trouble your posts have saved me and how often you have? Don't even mention it, consider it an infinitesimal part of your good karma passing by.

  • GeffeGeffe Posts: 63

    DimensionTheory said:

    Geffe said:

    Since the 4.20 update the lights in this product are crazy bright. It seems to be something to do with the image in the luminance setting. Both of the pics attached are done with the environment set to scene only lighting, so the mesh light is the only light source. Even with the luminance turned right down to 1 (second pic) the light is still very bright.

    There is currently a product update going through QA that will fix this issue.  Iray had a recent change that modified the qay HDR textures work in opacity, so brightness values were getting multiplied by like 1000x.

    The update just uses LDR JPG textures for opacity (slightly more memory consumption due to two textures being used per light).  If you want to use the lights now you can convert the HDR maps to 8-bit and plug them into opacity, otherwise the update should be coming soon.

    Cool, thanks for the update (both the info about the update, and the actual update).

  • barbultbarbult Posts: 24,773
    edited March 2022

    I got the update from DIM today. It is working well. You are the first to update any product that I own to address the 4.20 Iray changes. Thanks for your speedy response!

    I used an environment HDRI and two Light L lights in this portrait - one in foreground and one as backlight.

    HDR Mesh Light Update.jpg
    2000 x 2600 - 3M
    Post edited by barbult on
  • barbultbarbult Posts: 24,773
    edited March 2022

    @DimensionTheory It looks like this product is not completely fixed. The "DTML! - Turn Mesh Light Invisible" shader preset now essentially turns off the light, because just settings opacity to a tiny number no longer creates a "ghost light" the way it used to.

    Post edited by barbult on
  • barbultbarbult Posts: 24,773

    barbult said:

    @DimensionTheory It looks like this product is not completely fixed. The "DTML! - Turn Mesh Light Invisible" shader preset now essentially turns off the light, because just settings opacity to a tiny number no longer creates a "ghost light" the way it used to.

    Hmmm... no response. I'll submit a help request.

  • DaventakiDaventaki Posts: 1,624

    barbult said:

    barbult said:

    @DimensionTheory It looks like this product is not completely fixed. The "DTML! - Turn Mesh Light Invisible" shader preset now essentially turns off the light, because just settings opacity to a tiny number no longer creates a "ghost light" the way it used to.

    Hmmm... no response. I'll submit a help request.

    I'll turn in one also.

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