Building a commercial grade lisp plugin installer in 5 easy steps

Rumors about the death of AutoLISP have been floating around for many years, but fear not, those rumors are greatly exaggerated. Bricscad and ZWCAD both have excellent support for lisp plugins, so well-written lisp code is truly cross-platform and enjoys a large and growing audience. Unlike other languages, the vast majority of lisp code works unmodified on any hardware architecture, in any …

Continue reading ‘Building a commercial grade lisp plugin installer in 5 easy steps’ »

LspLoad Updated for AutoCAD 2014 and Bricscad 13 64-bit

The automatic lisp loader modules ( on my freebies page) have been updated to add support for AutoCAD 2014 and Bricscad 13 64-bit. The modules are now digitally signed so that AutoCAD 2014 loads them quietly. Share ThisTweetFacebookLinkedInTumblrStumbleDiggDelicious

QuirkyPolyline: exposing foolish programmers

In AutoCAD, the AcDbCurve class defines a general parametrized curve. On a parametrized curve, points in space are mapped to real numbers (parameters) by an arbitrary function F(p) for values of p from the curve start parameter to the curve end parameter. Defining a curve this way simplifies working with complex 3D curves because one …

Continue reading ‘QuirkyPolyline: exposing foolish programmers’ »