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CAD tip CAD tip # 8068:

   
Question CAD 
 %  platform  category 
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 default 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    7841×  
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applies to: AutoCAD 2012 · AutoCAD 2010 · AutoCAD 2008 · AutoCAD Architecture ·

See also:
Tip 11278:Undocumented option to switch AutoCAD 2016 to the Mental Ray renderer.
Tip 10296:Using cloud render in Fusion 360.
Tip 9976:How to make AutoCAD render without background (transparent)?
Tip 9965:How to create a 360° spherical panorama of your CAD model?
Tip 9549:Rendering of 3D models without background in Autodesk Showcase.
Selected tip: What is the difference between MAPANNUPDATE and MAPANNREFRESH?


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