AutoCAD 2013/2014/2015

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Anthonius
Posts: 93
Registered: ‎04-21-2011
Message 1 of 3 (668 Views)
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Rendering - Sun & sky produces spots on walls

668 Views, 2 Replies
01-16-2013 05:11 PM

Hi fellow renderers out there.

 

I think I'm pretty close to understanding how to get realistic interior lighting with nice soft shadows etc.  However, I can't for the life of me figure out how to get the sun & sky background to stop putting all these spots on my walls!

KAA with indoor lights and sun and sky 01-16-13 1.jpg

 

I previously made a version using 1000 "rays" for "Final Gather" and it looks a bit better...

KAA with indoor lights and sun and sky 01-16-13 2.jpg

..but it's still spotty.

 

Anyone know how to get genuine soft shadows sans spots from the sun & sky background?

 

I've played with every parameter I can think of, but nothing smooths out the spots even a little bit.

 

help!  :smileyhappy:

--------------
AutoCAD MEP 2014 64 bit
Revit 2014
Windows 7

Have a good time, all the time.
*Expert Elite*
edwin.prakoso
Posts: 213
Registered: ‎04-03-2012
Message 2 of 3 (644 Views)

Re: Rendering - Sun & sky produces spots on walls

01-21-2013 08:02 PM in reply to: Anthonius

What is your rendering quality? And did you turn on the Global Illumination? 

Kind regards,
Edwin Prakoso | www.cad-notes.com | @CADnotes

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Valued Contributor
Anthonius
Posts: 93
Registered: ‎04-21-2011
Message 3 of 3 (633 Views)

Re: Rendering - Sun & sky produces spots on walls

01-22-2013 09:37 AM in reply to: edwin.prakoso

Well turning on Global Illumination certainly helps!

KAA with indoor lights and sun and sky 01-22-13 2.jpg

 

Funnily enough though, I previously and deliberately turned Global Illumination OFF because during my interior lights only (no sun or sky or background) rendering experiments, the results were bizarre - like random spots of light coming from nowhere.  Anyway, thanks for the help!

 

 

--------------
AutoCAD MEP 2014 64 bit
Revit 2014
Windows 7

Have a good time, all the time.

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