AutoCAD
Although Basic, Symbols Aren't Simple (Harry's Code Class Newsletter)
21 Jan, 2008Although Basic, Symbols Aren't Simple
Understanding these fundamental elements of Visual LISP
is essential to building strong custom routines for AutoCAD.
In Cadalyst's Hot Tip Harry discussion forums recently, CAB posted a handy little AutoCAD utility that checks whether a set of points describes a rectangular shape. But it was the comment following the post that really caught Harry's attention. "Perhaps it is time to review some fundamentals," Harry coached.
Originally Posted by CAB This may be of use too. Code: ;; 
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