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Light Bounding Box? What is it?

TiddlyTiddly Posts: 34
in New Users

I've noticed that several content packages like rooms and building come with a "light bounding box".  It's like a shell built around my house.  I render in iray but don't know what it is.  Can someone explain what is its purpose? 

Comments

  • Richard HaseltineRichard Haseltine Posts: 102,813

    Where are you seeing this?

  • TiddlyTiddly Posts: 34
    edited January 2016
    Richard Haseltine said:

    Where are you seeing this?

    It's a black box "light bounding box" that came with a package.  It surrounds the house.  What is it's purpose?

    Richard Haseltine said:

     

    Post edited by Tiddly on
  • KindredArtsKindredArts Posts: 1,271

    I think it's for less complicated shadowing in 3dl. You can use a distant light, and just set the light blocker as a shadow caster. That would be my best guess.

  • TiddlyTiddly Posts: 34

    FFS, I just realized it says light blocking box.  I've been up too long.  Nevermind. 

  • mjc1016mjc1016 Posts: 15,001

    Some others have it as 'black out' box.  It is something that will seal the 'room' except for the designated portals (doors/windows).  This will prevent light leaks at corners of walls/ceilings/floors and still allow removal of interior walls for 'long' shots without having to redo lighting.

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