(setvar "cmdecho" 1) (setq en (ssget (list '(0 . "spline,arc,line,ellipse,LWPOLYLINE")))) (setq i 0) (setq ll 0) (repeat (sslength en) (setq ss (ssname en i)) (setq endata (entget ss)) (command "lengthen" ss "") (setq dd (getvar "perimeter")) (setq ll (+ dd ll)) (setq i (1+ i))

测绘实用工具.VLX

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