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CAD tip CAD tip # 7652:

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Q - question

3D scene renders as a black screen only.

A - answer There are several possible causes for an empty (black) rendering output.

Besides a trivial problem - an empty scene (with no renderable 3D objects or faces), the most common cause is a missing or inadequate illumination (lighting). Add light sources to your scene - the command LIGHT, the Sun or enable the default illumination. Also use the RPREF command to enable indirect lighting (the bulb icon next to the "Global illumination" parameter). Or switch to a different preset render quality - in the same palette.

Other causes may be the missing or damaged material library (the shared Autodesk library), insufficient memory, or an incompatible graphics card.

100% *  CAD 
21.11.2010    14010x  
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applies to: AutoCAD 2011 ·

See also:
Tip 8597:Flashing, patchy appearance of Revit 3D models in Showcase.
Tip 6630:Where are the landscape objects for AutoCAD 3D render?
Tip 6190:Some materials are rendered as black only.
Tip 5500:How to set background color for Render?

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