The Efficiency of Total Area LISP Routines in AutoCAD In the world of CAD drafting, precision and speed are the two pillars of productivity. While AutoCAD provides native tools like the command or the Properties
Select objects: Use a window or crossing selection to pick all polylines, circles, etc. total area autocad lisp
| Error Message | Likely Cause | Solution |
| :--- | :--- | :--- |
| ; error: bad argument type | You selected a non-curve entity (line, arc, text, block). | Modify your ssget filter to exclude those. |
| ; error: no function definition: VLAX-CURVE-GETAREA | Visual LISP extensions not loaded. | Add (vl-load-com) at the top of your LISP file. |
| Total = 0.00 | Polylines are not closed or are self-intersecting. | Use PEDIT → Close. For complex intersections, use REGION first. |
| Area is huge (e.g., 1e9) | Drawing units are millimeters, but you expected meters. | Divide total by 1,000,000 in your LISP. | The Efficiency of Total Area LISP Routines in
Select objects:
Pro Tip: Many professionals store the conversion factor in a variable so they don't retype it every session. | Modify your ssget filter to exclude those