1.计算所有线段总长度(加载后只需框选所有线段便可得出这些线段的总长度) (defun c:LL ()(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))) (princ "所选线条总长为：")(princ ll)(princ))2.标注所有线段(加载后只需框选所有线段便可得标注这些线段) (defun c:LLL ()(COMMAND "UCS" "")(setvar "cmdecho" 1)(SETVAR "OSMODE" 0);;选取需要测量的样条曲线、圆弧、直线、椭圆(setq en (ssget (list '(0 . "spline,arc,line,ellipse,LWPOLYLINE"))))(setq i 0);;获取系统参数textsize(setq shh (getvar "textsize"))(setq str_hh (strcat "\n文字高度 <" (rtos shh 2) ">: "))(setq hh (getdist str_hh))(while hh(setvar "textsize" hh)(setq hh nil));;输入标注文字高度;;循环开始(repeat (sslength en) (setq ss (ssname en i)) (setq endata (entget ss)) (command "lengthen" ss "") (setq dd (getvar "perimeter")) (princ (strcat "\n长度=" (rtos dd 2))) ;;寻找代表图层的字符串 (setq aa (assoc 0 endata)) ;;获取图层名称 (setq aa1 (cdr aa)) ;;判断线条种类 (cond ((= aa1 "SPLINE") ;;如果是spline (progn (setq arcObj (VLAX-ENAME->VLA-OBJECT ss)) (setq startPnt1 (vla-get-ControlPoints arcObj)) (setq p1 (vlax-safearray->list (vlax-variant-value startPnt1)) ) (setq x1 (car p1)) (setq y1 (cadr p1)) (setq z1 (caddr p1)) (setq pp1 (list x1 y1 z1)) (repeat (- (/ (length p1) 3) 1) ;;循环，寻找最后一个控制点 (setq p1 (cdddr p1)) (setq x2 (car p1)) (setq y2 (cadr p1)) (setq z2 (caddr p1)) ) (setq pp2 (list x2 y2 z2)) ) ) ((= aa1 "LWPOLYLINE") ;;如果是LWPOLYLINE (progn (setq arcObj (VLAX-ENAME->VLA-OBJECT ss)) (setq startPnt1 (vla-get-Coordinates arcObj)) (setq p1 (vlax-safearray->list (vlax-variant-value startPnt1)) ) (setq x1 (car p1)) (setq y1 (cadr p1)) (setq z1 (caddr p1)) (setq pp1 (list x1 y1 z1)) (repeat (- (/ (length p1) 3) 1) ;;循环，寻找最后一个控制点 (setq p1 (cdddr p1)) (setq x2 (car p1)) (setq y2 (cadr p1)) (setq z2 (caddr p1)) ) (setq pp2 (list x2 y2 z2)) ) ) (t ;;如果是其他种类线条 (progn (setq arcObj (VLAX-ENAME->VLA-OBJECT ss)) (setq startPnt1 (vla-get-StartPoint arcObj)) ;;获取起点 (setq endPnt1 (vla-get-EndPoint arcObj)) ;;获取终点 (setq pp1 (vlax-safearray->list (vlax-variant-value startPnt1)) ) (setq pp2 (vlax-safearray->list (vlax-variant-value endPnt1)) ) ) ) ) (setq x1 (car pp1)) (setq y1 (cadr pp1)) (setq z1 (caddr pp1)) (setq x2 (car pp2)) (setq y2 (cadr pp2)) (setq z2 (caddr pp2)) (setq x (/ (+ x1 x2) 2)) (setq y (/ (+ y1 y2) 2)) (setq z (/ (+ z1 z2) 2)) (setq pt (list x y z)) ;;取得线段两端的中点 (setq ang (angle pp1 pp2)) ;;获取角度 (if (> (* (/ ang pi) 180) 180) (setq ang (+ ang pi)) ) (command "text" "j" "bc" pt "" (* (/ ang pi) 180) (strcat "" (rtos dd 2)) "" ) (setq i (1+ i)))(prin1))(prompt "\n <>在图中直接写出长度")(prin1)3.连续打断程序 (defun c:br1 () (command "break" pause "f" pause "@"))4.将CAD文字导入Excel表格 (defun c:Q2()(setq ffn (getfiled "写出文件" "" "xls" 1))(princ "\n选取文字...")(setq ss (ssget))(setq ff (open ffn "w"))(setq i 0)(repeat (sslength ss)(setq ssn (ssname ss i))(setq ssdata (entget ssn))(setq sstyp (cdr (assoc 0 ssdata)))(if (or (= sstyp "TEXT") (= sstyp "MTEXT"))(progn(setq txt (cdr (assoc 1 ssdata)))(princ txt ff)(princ "\n" ff)))(setq i (1+ i)) )(close ff)(princ (strcat "\n写出文件: " ffn))(prin1))
5 删除带颜色图元
以下程序在别人的贴子里贴过.为了说明问题,今天再贴一次.改颜色的LISP程序(defun c:c1()(ssget)(command "chprop" "p" "" "c" "1" "") (princ))(defun c:c2()(ssget)(command "chprop" "p" "" "c" "2" "") (princ))(defun c:c3()(ssget)(command "chprop" "p" "" "c" "3" "") (princ))(defun c:c4()(ssget)(command "chprop" "p" "" "c" "4" "") (princ))(defun c:c5()(ssget)(command "chprop" "p" "" "c" "5" "") (princ))(defun c:c6()(ssget)(command "chprop" "p" "" "c" "6" "") (princ))(defun c:c7()(ssget)(command "chprop" "p" "" "c" "7" "") (princ))(defun c:c8()(ssget)(command "chprop" "p" "" "c" "8" "") (princ))你用C1 命令就可以将图元改为红色了.其余类似.删除红色图元(defun C:D1 (/ m A M) (setq m:err *error* *error* *merr*) (setvar "cmdecho" 0) (command "UNDO" "G") (prompt "选择图形") (setq A (ssget '((62 . 1)) )) (if (/= A nil)(progn (setq M (sslength A)) (command "erase" A "") (princ "\n共删除红色图元<")(princ M)(princ ">个") )) (command "UNDO" "E") (princ) ) 这样,键入 D1 命令,就可以删除红色的图元了。
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