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Michael Partenheimer gives us a slick way to change xrefs in AutoCAD without losing your layer settings. First off, read the included TXT file that describes the process in detail.... Read more
Kent Cooper created this AutoCAD function in response to a question in the Autodesk customization forums. It's meant to be used or called from other LISP code with two argument... Read more
This tip from frequent contributor Kent Cooper is used to draw polynomial functions on the current layer in AutoCAD. The routine will draw the curve defined by a polynomial functio... Read more
If you have a startup routine that sets certain LISP variables, and your fields point to these variables, it's possible that your fields won't get updated when you think they should.
Mat Kirkland sent in another small but powerful routine; this one will detect AutoCAD Civil 3D cogo points in a given drawing file. You'll probably want to use this as part of ... Read more
Mat Kirkland shares an effective little routine that will detect AutoCAD Civil 3D alignments in a given drawing file. You'll probably want to use this as part of a larger routi... Read more
Mat Kirkland delivers a small but powerful routine that will detect AutoCAD Civil 3D surfaces in a given drawing file. You'll probably want to use this as part of a larger rout... Read more
Frequent contributor Leland Leahy uses this routine to create an AutoCAD layer like defpoints, meaning that it will display on screen but not plot. This code is meant to be called ... Read more
SwapAtt is a function that will push attribute values from a certain tag into other tagged attributes in AutoCAD. It is designed to be used inside other LISP functions. The function name is (swapat... Read more
Jeroen Berkers says he has been using this code for years to format the current date. It is designed to be used inside other LISP routines, where it formats the current date with a... Read more