Ensure all objects are flattened to a 0 elevation. Objects with varying "Z" values can sometimes cause geometric calculation errors. Conclusion
Using a is one of the easiest ways to transition from a "CAD Drafter" to a "CAD Power User." It moves the burden of calculation away from your brain and onto the software, where it belongs.
While the script above is a great starting point, professional-grade LISP routines often include: total area autocad lisp
Select hundreds of polylines, circles, or hatches at once.
Only calculate areas for objects on a specific layer (e.g., "G-AREA-BNDY"). Ensure all objects are flattened to a 0 elevation
Seamlessly move your data from the CAD environment into a CSV or XLSX file for billing and scheduling.
Automatically convert square inches to square feet or square meters. While the script above is a great starting
No more "did I already click that one?" moments. The Code: A Simple "Total Area" LISP Script
You don't need to be a programmer to use LISP. Here is a classic, lightweight code snippet that calculates the sum of all selected closed objects.