CAD tip # 7255:

Question CAD
% platform category

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 19630×

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applies to: AutoCAD · AutoCAD Architecture ·

See also:
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?
Tip 12526:	BufZone - buffer zones and wipeouts around AutoCAD line objects.
Tip 12479:	PkLength - export line lenghts to Excel.

Selected tip: Automatic contour label for AutoCAD.

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