面积统计

俊超_CKgB8

求总面积源码，已实现框选，点选，配合F2查看面积总和，现想实现面积标注功能，求大侠修改一下。



;;MJ;;总面积
(defun c:MJ (/ olderr oldcmdecho errexit undox restore ss1 nr en tot_area) ;;总面积
(defun errexit (s)
(restore)
)

(defun undox ()
(command "._undo" "_E")
(setvar "cmdecho" oldcmdecho)
(setq *error* olderr)
(princ)
)

(setq olderr *error*
restore undox
*error* errexit
)
(setq oldcmdecho (getvar "cmdecho"))
(setvar "cmdecho" 0)
(command "._UNDO" "_BE")
(if (setq ss1 (ssget '((-4 . "<OR")
(0 . "POLYLINE")
(0 . "LWPOLYLINE")
(0 . "CIRCLE")
(0 . "ELLIPSE")
(0 . "SPLINE")
(0 . "REGION")
(-4 . "OR>")
)
)
)
(progn
(setq nr 0)
(setq tot_area 0.0)
(setq en (ssname ss1 nr))
(while en
(command "._area" "_O" en)
(setq tot_area (+ tot_area (getvar "area")))
(setq nr (1+ nr))
(setq en (ssname ss1 nr))
)
(princ "\n总面积 = ")
(princ tot_area)
)
)
(restore)
)

xk15c

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