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  • Bug with V-Ray Sun and Clouds

    Hi There,

    I've discovered a bug with the new cloud system, but first let me explain our scene setup:
    In order to have multiple Daylight Systems or just V-Ray Suns within the same scene working properly, historically we have done the following - First of all in V-Ray's Global Switches render settings 'Hidden Lights' is Unticked
    Each V-Ray Sun or Daylight System is placed on it's own unique layer along with a V-Ray Dome Light that has a V-Ray Sky in it's texture slot. This sky texture is manually connected to the corresponding V-Ray Sun object.
    We then use Scene States to turn on or off whichever lighting layer we'd like to be active for a particular camera, and tie this in to our custom rendering script. Thus we can have as many unique V-Ray Sun setups within a single scene as we like, very useful when you have 25 verified views each taken at a different time of the day.

    This system has worked for us going back as far as we can remember, and here's where we run into a new bug in V-Ray 6 and Max 2023. Ticking the Clouds button with the V-Ray sun does nothing. The lighting and layer switching still works exactly as expected, but no clouds show up at all.

    Could you look into this please? Best regards, Bill
    Last edited by GLASS-CANVAS; 24-08-2022, 03:47 AM.
    http://www.glass-canvas.co.uk

  • #2
    Here's a post which suggests a fix may be upcoming, although it does work in a fiddly way right now it's probably not helpful in your scenario.
    https://forums.chaos.com/forum/v-ray...ature-problems
    https://www.behance.net/bartgelin

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    • #3
      Since the Cloud settings are not yet implemented in the VRaySky node, the clouds will disappear when connected to a Sun (this will be fixed soon). For now, set your scene sets by simply enabling the correct Sun for the specific frame.
      Aleksandar Hadzhiev | chaos.com
      Chaos Support Representative | contact us

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      • #4
        Cloud to VRaySky nodes not implemented yet? (Do I have to request it through the Ideas Portal?)

        There are requests to connect VRaySky to Dome to switch between multiple Cloud settings and use it for LightMix.
        Last edited by flat; Yesterday, 01:03 AM.

        OakCorp Japan - Yuji Yamauchi
        oakcorp.net
        v-ray.jp

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        • #5
          Originally posted by flat View Post
          Cloud to VRaySky nodes not implemented yet? (Do I have to request it through the Ideas Portal?)​
          Best you log it in the Portal.
          Aleksandar Hadzhiev | chaos.com
          Chaos Support Representative | contact us

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