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Now you can leave the command by pressing the enter key, and all of the results will be displayed on the screen. When you type the command AREAON, nothing will seem to occur, on the screen but in the background, the lisp has started functioning.įirst, it asks for the scale of text, and then upon selection of polylines, it shows the area of every polyline inside it. The result gives a textwritten area figure inside each polyline area. It is a lisp routine that helps too much, as a quantity surveyor needs to calculate the area and volume-based closed polylines. The above lisp is very helpful to save a lot of time otherwise we will have to do the above operation manually which is time taking and sometimes results in errors.

It displays the area of all Polylines separately. If you need to calculate the area of Polylines you can use this code. “SELECT CLOSED POLYLINES:” Make sure all the objects are polylines and are closed.

Finally, it asks to select thepolylines.

Enter the number of decimal places you need forfigures “HOW MANY DECIMAL PLACES?: (3.00):”.

It will first request youspecify the scale of drawing (e.g., you type 1, 10 or 20, etc., it’ll change the text size consequently).“ENTER SCALE (1.00): 1 “.