Area selection may be accomplished in two ways: by picking bounded regions, or by selecting closed objects. Following the selection of an area, a label is placed in the centre of the selected area and a new row is added to the AutoCAD Table, displaying both the label and measurement of the selected area. Free Lisp Programs-Important! Join our Telegram channel Here! We have tons of others free LISP Templates Coupons Productivity Tools and more. No spam, fast download, mobile and desktop perfect sync. This page is dedicated to LISP programs, some were found online and other are written by KIM talented programmers.

Could some help me with this lisp. I can't find why the command line gives the wrong total when selecting more than one polyline, and the alert box reports correctly. Sorry if I posted in wrong NG, I could not find a programing NG Thanks to all Ron;;POLYAREA.LSP;; Adds the area of one or more closed polylines;; (defun C:POLYAREA (/ a ss n du) (setq a 0 du (getvar 'dimunit') ss (ssget '((0. '*POLYLINE')))) (if ss (progn (setq n (1- (sslength ss))) (while (>= n 0) (command '_.area' '_o' (ssname ss n)) (setq a (+ a (getvar 'area')) n (1- n))) (alert (strcat 'The total area of the selected nobject(s) is ' (if (or (= du 3)(= du 4)(= du 6));;The following 2 lines translate the area to square inches and feet;for users using US engineering or architectural units:; (strcat (rtos a 2 2) ' square inches, nor ' (rtos (/ a 144.0) 2 3) ' square feet.'

);;In the following line, change the word 'units' to whatever units;you are using - meters, millimeters, feet, etc.; (strcat (rtos a 2 3) ' square feet.' ))))) (alert ' nNo Polylines selected!' )) (princ) ) (alert (strcat 'POLYAREA.LSP' ' n n Type POLYAREA to start')) (princ). I have downloaded the lisp script and it works great, however it is displaying the square inch value. I am looking for the square feet value. How can this be tweaked, i have the lines below in the script but I may be doing something wrong. Please advise Many Thanks;The following 2 lines translate the area to square inches and feet;for users using US engineering or architectural units:; (strcat (rtos a 2 2) ' square inches, nor ' (rtos (/ a 144.0) 2 3) ' square feet.'

);;In the following line, change the word 'units' to whatever units;you are using - meters, millimeters, feet, etc.; (strcat (rtos a 2 3) ' square feet '))))) (alert ' nNo Polylines selected!'

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