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Stop Plane blocking Skylight
show user profile  nickybrownell
Hi all,

Really simple question (I think)... I am illuminating a scene using 3d max skylight (with light tracer) and it looks good... though I now need to put a plane to cap the room as a ceiling... is there a way I can render the plane but stop it blocking the skylight's illumination into the room....?? Make it see-through to light but visible on the render?

Cheers guys... feel free to abuse me if this is easy : )
read 803 times
6/2/2010 4:51:10 PM (last edit: 6/2/2010 4:51:10 PM)
show user profile  BishBashRoss
Right click - object properties- uncheck cast shadows. That should do it I think.

read 785 times
6/2/2010 5:13:24 PM (last edit: 6/2/2010 5:13:24 PM)
show user profile  nickybrownell
I thought so too... tried that and sure, it didn't cast shadows.... but it still prevented the 'Skylight' from illuminating the interior...
read 778 times
6/2/2010 5:27:22 PM (last edit: 6/2/2010 5:27:22 PM)
show user profile  BishBashRoss
Just done some tests and it would seem this is a limitation of scanline and sadly also MR. Works in Vray if you have that. Otherwise unless anybody else knows of a solution you may have to come up with a workaround and comp it afterwards.

read 771 times
6/2/2010 5:55:01 PM (last edit: 6/2/2010 5:55:01 PM)
show user profile  nickybrownell
Work aren't big fans of VRay... but cheers anyway.... I'll just add these afterwards then.

Thanks anyway
read 739 times
6/3/2010 11:32:52 AM (last edit: 6/3/2010 11:32:52 AM)
show user profile  Pil
Can't you just exclude it from RECIEVING lights?

Just cos its not casting shadows doesnt mean it doesnt block it. So you need to exclude it from the lights...

read 736 times
6/3/2010 11:37:03 AM (last edit: 6/3/2010 11:37:03 AM)
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