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CAD tip CAD tip # 8068:

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Q - question

Impact of LOGEXPPHYSICALSCALE on rendering (photometric).

A - answer The AutoCAD system variable LOGEXPPHYSICALSCALE defines the global value of relative brightness for self-illuminated materials in a photometric environment. Its logarithmic scale ranges from 0.001 to 200000.

The visual impact of this variable - using the defualt value 1500 and an increased value 5000 - is illustrated on the following pictures (wickerwork material and self-illuminated LED panel).

1500

5000

ACAD2012ACAD2010ACAD2008ADT
100% *  CAD 
28.6.2011    1674x  
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See also:
Tip 8727:Transparent 3D views in Revit.
Tip 8102:Infinite library of rendering textures - Substance.
Tip 8070:Rendering water surface in Revit.
Tip 7541:How to record an AutoCAD walkthrough to an AVI file animation?
Tip 7362:Background image/photo in a Revit rendering.


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Rendering water surface in Revit. « | » How to add prefix or suffix to selected drawing texts?

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