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CAD tip # 12198:

Question CAD
% platform category

How to remove duplicate points and COGO points from a DWG?

Double, triple... (duplicate) points imported to an AutoCAD, Map or Civil 3D drawing can be easily purged - you can delete the duplicates with the freeware utility DelDupPts.

Download the LISP application CADstudio DelDupPts from www.cadstudio.cz/download, load it into your AutoCAD with APPLOAD and run it by typing the command DELDUPPTS.

This tool selects all objects of the type point (POINT) or COGO-point (AECC_COGO_POINT) from the current drawing and in case that multiple point objects share the same XY- or XYZ-coordinates (you can choose between 2D and 3D check), the surplus points will be deleted and only a single point will be left there.

ACADCivilADTMap

* CAD

5.4.2019 2077×

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applies to: AutoCAD · Civil 3D · AutoCAD Architecture · AutoCAD Map 3D ·

See also:
Tip 12013:	How to trim 3D solids with other 3D solid (3D trim).
Tip 10976:	DUP - easily duplicate AutoCAD drawing objects.
Tip 10926:	Self-intersecting polylines and polylines with duplicate vertices.
Tip 10229:	How to find 3DFaces with degenerated vertices?
Tip 10211:	How to detect duplicate elements in a 3D model?

Selected tip: How to renumber Revit rooms in a given order?

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