CAD tip # 7435:

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CAD

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Selecting 3D subobjects and hidden objects in AutoCAD 2011.

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.

ACAD2012ACAD2011ACAD2010ACLTADTCivilACADM

*CAD

30.6.2010 14273×

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applies to: AutoCAD 2012 · AutoCAD 2011 · AutoCAD 2010 · AutoCAD LT · AutoCAD Architecture · Civil 3D · AutoCAD Mechanical ·

See also:
Tip 14232:	How to find out the fillet radius of a 3D solid?
Tip 14226:	Cannot select multiple objects with Shift, ribbon tab "Multiple" is displayed.
Tip 14192:	MLfillet - how to fillet multilines in AutoCAD?
Tip 14039:	How to display the total volume or surface of 3D solids in DWG?
Tip 13878:	SelectSimilar - extended selections for AutoCAD, incl. LT and Web versions

Selected tip: Which layout is saved to the R14 format when saving from AutoCAD 2000?

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

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