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请教大侠,下面这个程序(附在最后)可以返回三维立方体顶点坐标的表(内有多层括号)。写入。tst后格式为:
各顶点原始坐标如下
(((262.959 96.1672 54.1167) (262.959 96.1672 0.0)) ((262.959 198.149 0.0) (262.959 96.1672 0.0)) ((262.959 96.1672 54.1167) (262.959 198.149 54.1167)) ((262.959 198.149 54.1167) (262.959 198.149 0.0)) ((148.279 198.149 0.0) (262.959 198.149 0.0)) ((262.959 198.149 54.1167) (148.279 198.149 54.1167)) ((148.279 198.149 54.1167) (148.279 198.149 0.0)) ((148.279 96.1672 0.0) (148.279 198.149 0.0)) ((148.279 198.149 54.1167) (148.279 96.1672 54.1167)) ((148.279 96.1672 54.1167) (148.279 96.1672 0.0)) ((262.959 96.1672 0.0) (148.279 96.1672 0.0)) ((148.279 96.1672 54.1167) (262.959 96.1672 54.1167)))
但如何处理才能让返回的点表写入。tst的格式如下呢?(即隔一个子表就换行)
各顶点原始坐标如下
(((262.959 96.1672 54.1167) (262.959 96.1672 0.0))
((262.959 198.149 0.0) (262.959 96.1672 0.0))
((262.959 96.1672 54.1167) (262.959 198.149 54.1167))
((262.959 198.149 54.1167) (262.959 198.149 0.0))
((148.279 198.149 0.0) (262.959 198.149 0.0))
((262.959 198.149 54.1167) (148.279 198.149 54.1167))
((148.279 198.149 54.1167) (148.279 198.149 0.0))
((148.279 96.1672 0.0) (148.279 198.149 0.0))
((148.279 198.149 54.1167) (148.279 96.1672 54.1167))
((148.279 96.1672 54.1167) (148.279 96.1672 0.0))
((262.959 96.1672 0.0) (148.279 96.1672 0.0))
((148.279 96.1672 54.1167) (262.959 96.1672 54.1167)))
;;注意:只处理"polyline,line,lwpolyline,3dface,region"直线,含ARC的线不理
;;龙大侠提供;;
(defun C:TT (/ SS SS1 N N1 NN ENT CHECK TMP PT_LIST)
(defun DO_IT (TMP)
(if
(and
(not (equal (car TMP) (cadr TMP)))
(= (vl-position TMP PT_LIST) NIL)
(= (vl-position (list (cadr TMP) (car TMP)) PT_LIST) NIL)
)
(setq PT_LIST (append PT_LIST (list TMP)))
)
)
(defun DO_IT1 (ENT / TMP)
(setq TMP (list (cdr (assoc 10 ENT))
(cdr (assoc 11 ENT))
)
)
(DO_IT TMP)
)
(setq SS (ssget '((0 . "polyline,line,lwpolyline,3dface,region"))))
(setq PT_LIST '())
(setq N 0)
(repeat (sslength SS)
(setq ENT (ssname SS N))
(setq CHECK (cdr (assoc 100 (reverse (entget ENT)))))
(cond
((or (= CHECK "AcDbPolygonMesh") (= CHECK "AcDbFace"))
(if (= CHECK "AcDbPolygonMesh")
(progn
(command "_.COPY" ENT "" "0,0" "@")
(command "_.EXPLODE" (entlast))
(setq SS1 (ssget ""))
)
(progn (setq SS1 (ssadd)) (ssadd ENT SS1))
)
(setq N1 0)
(repeat (sslength SS1)
(setq ENT (entget (ssname SS1 N1)))
(setq NN 0)
(setq LINE0 (list (cdr (assoc 10 ENT))
(cdr (assoc 11 ENT))
)
LINE1 (list (cdr (assoc 11 ENT))
(cdr (assoc 12 ENT))
)
LINE2 (list (cdr (assoc 12 ENT))
(cdr (assoc 13 ENT))
)
LINE3 (list (cdr (assoc 13 ENT))
(cdr (assoc 10 ENT))
)
)
(repeat 4
(setq TMP (eval (read (strcat "LINE" (rtos NN)))))
(DO_IT TMP)
(setq NN (1+ NN))
)
(setq N1 (1+ N1))
)
(command "_.ERASE" SS1 "")
)
((or (= CHECK "AcDb3dPolyline")
(= CHECK "AcDb2dPolyline")
(= CHECK "AcDbPolyline")
(= CHECK "AcDbModelerGeometry")
)
(command "_.COPY" ENT "" "0,0" "@")
(command "_.EXPLODE" (entlast))
(setq SS1 (ssget ""))
(setq N1 0)
(repeat (sslength SS1)
(setq ENT (ssname SS1 N1))
(DO_IT1 (entget ENT))
(setq N1 (1+ N1))
)
(command "_.ERASE" SS1 "")
)
(t
(DO_IT1 (entget ENT))
)
)
(setq N (1+ N))
(princ "\n")
)
(setq f (open "e:\\new.tst" "w"))
(write-line (strcat "各顶点原始坐标如下\n" (vl-princ-to-string PT_LIST)) f)
(close f)
) |
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