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CAD tip CAD tip # 5241:

Question CAD 
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Q - question

Slow object selection preview highlighting.

A - answer AutoCAD 2007 (and higher) previews the selected objects (hoover) by thickening the objects under cursor.

If you are slowed down by this function in large drawings (e.g. on cycling of overlapping objects), you can switch to the classic entity highlighting with dashed lines -- set the PREVIEWEFFECT variable to 0 (the default value is 2). You can also set this value using the dialog Options > Selection > Visual effects > Selection preview. With the "Advanced options" button you can exclude some complex (slow) object types (e.g. xrefs, mtexts, tables) from the selection preview.

ACAD2010ACAD2008ACAD2007ADT2007
100% *  CAD 
19.10.2006    20899×  

See also:
Tip 12350:PkArea - acreage of closed areas from DWG to Excel.
Tip 12233:How to compare two 3D mesh models and find differences/changes?
Tip 12184:Overview of CAD formats supported in Inventor 2020 (import/export/AnyCAD).
Tip 11888:Dynamic label of area and perimeter - DynArea.
Tip 11729:Select objects by annotation scale.


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