;; Option to write total to command line (princ "\n========================================")
;; Offer to display in different units (initget "Yes No") (if (= (getkword "\nDisplay in different units? [Yes/No] <No>: ") "Yes") (progn (princ "\nSelect unit conversion:") (princ "\n 1 - Square feet") (princ "\n 2 - Square meters") (princ "\n 3 - Square yards") (initget 1 "1 2 3") (setq unit (getkword "\nEnter choice [1/2/3]: ")) (cond ((= unit "1") ; sq ft (setq converted (* total-area 144.0)) ; assuming drawing units in inches (princ (strcat "\nConverted: " (rtos converted 2 2) " sq ft"))) ((= unit "2") ; sq meters (setq converted (* total-area 0.00064516)) ; sq inches to sq meters (princ (strcat "\nConverted: " (rtos converted 2 2) " sq meters"))) ((= unit "3") ; sq yards (setq converted (* total-area 0.000771605)) ; sq inches to sq yards (princ (strcat "\nConverted: " (rtos converted 2 2) " sq yards"))) ) ) )
Once loaded, you run the routine by typing its specific command name into the command line. For example, using the areacal.lsp routine, you would type AREACAL and press . total area autocad lisp
;; Display results (princ "\n========================================") (princ "\nAREA CALCULATION RESULTS") (princ "\n========================================")
The total area will appear in the command line or on the screen. 3. Top Free LISP Routines for Total Area ;; Option to write total to command line
Advanced routines create "Field Expressions" that automatically update the displayed total if the linked geometry is modified and the drawing is regenerated. Popular LISP Routines & Commands ESurvey Lisp Help: Collection of AutoLisp for Entity Area
Let's break down the code:
What do you use (millimeters, meters, inches, or feet)? Do you need to calculate hatches, polylines, or both ? Share public link