Forums >> Revit Building >> Technical Support >> help with lighting fixture rendering

barry13

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Joined: Mon, May 30, 2011
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hi. so i'm following this training book for a while. but its rendering instruction is awful short to being useless.

how do i achieve the rendering in picture 2.

when i render the scene, i'm gettng picture 1, the lighting fixture is just a white light without or with very little effect on the surrounding unlike in the second picture. i don't know where to find the settings, where to tweak, etc.. please help thanks

i'm sure the two scenes are similar in terms of what materials used because i followed the training book step-by-step.

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keyaggie

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Joined: Tue, Mar 20, 2007
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Check the material properties of the lampshade itself.

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itsmyalterego

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Joined: Thu, May 28, 2009
829 Posts

Your lighting seems to be working fine -- but after your render is finished, hit the "adjust exposure" button.  Here, you can toy with exposure, the light, dark, and midtones ranges, the saturation and warmth, etc. 

The two values I'd suggest messing with first, is Exposure, and midtones.  Midtones will bring up a lot of the "ambient" light that's bouncing around.

Exposure usually has to be adjusted, because revit can't seem to remember or default to a particular value if you use "exterior with sun" or "interior with artificial."   The exposure values are WOLRDS apart for these two types of renderings, because the rendering engine takes the lumens/candlepower of the sun and lightbulbs literally.  I consider this a bit of a flaw, because it's difficult in revit to mesh interior lighting with outdoor views.  The sun is overpowering and makes building interiors look dark and unattractive.  The human eye adjusts. This is why we have an iris. Revit doesn't. 

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