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Why Can't I Use Instances as Light Sources On a Light Group Canvas?

evilded777evilded777 Posts: 2,495
in Daz Studio Discussion

Do you follow me?

Take Gothika by Candlelight. There's a ton of instances, all of them act as light sources. But just try to assign them to a node group for a Light Group canvas. Can't do it.

An Emissive Canvas is NOT a substitue. I struggle to understand what one would actually use that for, it has no detail only blobs of light that illuminate nothing.

Am I really that far out on the fringe in my workflow that this is only a problem for me?

Comments

  • markusmaternmarkusmatern Posts: 611
    This somehow sounds familiar. I think I had the same or a similar problem in the past. But as far as I remember I also had a solution to the problem. However I don't have access to my computer, so maybe it takes till tomorrow until I can take a look...
  • evilded777evilded777 Posts: 2,495

    markusmatern said:

    This somehow sounds familiar. I think I had the same or a similar problem in the past. But as far as I remember I also had a solution to the problem. However I don't have access to my computer, so maybe it takes till tomorrow until I can take a look...

    I have a workaround. I shouldn't need one. Instances behave as light sources in all other respects. We need to be able to use them in Light Groups.
  • markusmaternmarkusmatern Posts: 611
    edited January 24

    I found an old post of mine with the solution I used. However I did not try this in the latest DAZ Studio:
    But maybe this can help you: https://www.daz3d.com/forums/discussion/comment/6383551/#Comment_6383551

    Post edited by markusmatern on
  • evilded777evilded777 Posts: 2,495
    edited January 24

    markusmatern said:

    I found an old post of mine with the solution I used. However I did not try this in the latest DAZ Studio:
    But maybe this can help you: https://www.daz3d.com/forums/discussion/comment/6383551/#Comment_6383551

    Thanks for that. That's pretty complex. I don't use LPE generally as the maths make my gums ache. But I will certainly look at your example and see if I can incorporate. The fact that it CAN be done, suggests that it should be part of the Light Groups workflow as that is part of Daz's specific implementation of LPE (? i may have this last bit wrong, but nothing else I've seen about LPE talks about this).

    /edit

    After looking at it, its not all that complex. In fact, helps me grasp LPE a lot better. Allow me to reiterate my thanks. This will let me solve an issue that has bothered me for a very long time.

    Post edited by evilded777 on
  • markusmaternmarkusmatern Posts: 611

    After looking at it, its not all that complex. In fact, helps me grasp LPE a lot better. Allow me to reiterate my thanks. This will let me solve an issue that has bothered me for a very long time.

    Glad you found it useful! 

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