CAD tip # 7255:

Question

CAD

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Quickly select improperly closed polylines in your drawing.

For the selection of not properly closed areas (outline loops) in a drawing you can use the Map+Civil command MAPCLEAN. If the outlines are separate polylines, you can perform the analysis of closed areas also in the plain AutoCAD.

You can select the not properly closed (open) polylines in your DWG drawing using the QSELECT command. Choose the "Object type" to Polyline, in the "Property" list pick Closed and set the "Operator" and "Value" to = No.

Please note that this checks the internal polyline property only, not the geometric characteristics - you can have a perfectly closed polyline (geometrically) with the Close-property set to False.

ACADADT

*CAD

12.3.2010 22173×

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applies to: AutoCAD · AutoCAD Architecture ·

See also:
Tip 14509:	AutoCAD linetypes - the A/R/U orientation options in complex text-linetypes.
Tip 14240:	How to simplify an uneven profile imported via DXF into Autodesk Fusion?
Tip 14033:	Clipping blocks, images, curves, xrefs - everything, into any shape
Tip 13163:	Blended transitional solid between irregular regions, circle-rectangle transition (3D in AutoCAD)
Tip 13038:	How to explode 3D faces (3DFACE) into outline polyline?

Selected tip: 61:05 error when printing on DesignJet 500.

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