CAD
Article
Programming for the Future--Surviving Upgrades   1 Mar, 2002

Will our custom programs run okay after we upgrade AutoCAD? What types of difficulties or hurdles will be encountered?More>>

Article
Rendering Adds Realism   1 Mar, 2002

AutoCAD's basic visualization tools, part II.More>>

Article
Toolbar templates   1 Mar, 2002

Add custom toolbars to your AutoLISP program interfaces.More>>

Article
Using Selection Filters   1 Jan, 2002

An important aspect of most AutoCAD-based programming projects is the building of one or more selection sets.More>>

Article
I'll show you mine   1 Jan, 2002

AutoCAD offers an assortment of basic visualization tools.More>>

Article
LT On-line: Lesson 20   1 Nov, 2001

Sending Drawing Files Revisited: Don't retransmit, eTransmitMore>>

Article
The Visual LISP Integrated Development Environment   1 Nov, 2001

Before Visual LISP and the IDE (Integrated Development Environment), AutoLISP developers were forced to use text editors or word processors that know nothing about LISP syntax and requirements.More>>

Article
LT On-line: Lesson 19   1 Oct, 2001

Plotting: details and dénouementMore>>

Article
LT On-line: Lesson 18   1 Sep, 2001

Plot Styles, Plotting Lineweights, and Plotting in ColorMore>>

Article
Error Catching in Visual LISP and VBA   1 Sep, 2001

Programming applications will often involve the detection of and recovery from errors caused by a variety of sources.More>>