Do you want help to write it or do you want it written for you?...
I need help; but if the help consists of a "perfect, opensource, freeware in Lisp" it would also be appreciated
...For AutoCAD or Bricscad?...
AutoCAD.
...What would the colors be for?...
Mainly to check the "bylayer-conformity" of the drawing - very often the drawing-standards do not allow free colors, it has to be on "Bylayer". But I know that not all drawing situation could be checked by this method.
...You could start here:...
Thanks it lot. It looks very fine to start.