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CAD tip CAD tip # 7435:

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Q - question

Selecting 3D subobjects and hidden objects in AutoCAD 2011.

A - answer AutoCAD 2011 (and higher) offers enhanced options for selecting subobjects in complex 3D scenes. A new system variable CULLINGOBJ controls the highlighting and selection of 3D objects (and faces or edges) which are hidden (invisible) in the current view:

Grip selection, CULLINGOBJ=0 Grip selection, CULLINGOBJ=1

The first image shows the default behavior in AutoCAD 2010 (or when CULLINGOBJ is switched to 0), the second image shows the default behavior in AutoCAD 2011. You can see similar object culling also for rollover highlighting.

The CULLINGOBJSELECTION variable similarly controls the selection of objects which are hidded from view in the current scene. By setting it to 1, the window-selection will filter out objects which are "not visible" (are obscured by another object). This setting can be risky in some situations.

ACAD2012ACAD2011ACAD2010LTADTCivilACADM
100% *  CAD 
30.6.2010    7584×  
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See also:
Tip 11497:Automatic grouping of drawing objects.
Tip 11295:Iterative Move, Scale and Rotate - till boundary touch.
Tip 11289:Adding, multiplying and rounding numbers inside DWG drawing texts - NumInText.
Tip 11288:Selection cycling is not working in TRIM/EXTEND.
Tip 10229:How to find 3DFaces with degenerated vertices?


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Extended FILLET functionality. « | » New alignment code for complex linetypes in AutoCAD 2011.

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