调试程序清华CAD二次开发LISP
- 格式:ppt
- 大小:6.30 MB
- 文档页数:72
autocad⼆次开发LISP函数(备⽤);;;保存为DXF⽂件(defun c:save_dxf (/)(setq filepath (strcat (getvar "dwgprefix")"转换"(substr (getvar "dwgname")1(- (strlen (getvar "dwgname")) 4))".dxf"))(command "save" filepath "16" "")(princ)(princ "\n⽂件保存到:")(princ filepath)(princ));;根据⽐例尺计算出图范围中⼼(defun get_extent_center (scale paper_w paper_h / xn yn);;scale⽐例尺 ,paper_w paper_h出图的宽和⾼(setq re nil)(setq xn (* (/ (* paper_w scale) 1000.00) 0.5))(setq yn (* (/ (* paper_h scale) 1000.00) 0.5))(setq center (list xn yn))(setq re center));;;根据拉框范围计算⽐例尺(defun calculate_scale (p1 p2 paper_w paper_h /);;p1,p1框的⾓点,paper_w paper_h出图的宽和⾼(setq re nil)(setq scale(*100(ceil(/ (* 1000(sqrt(+ (* (- (car p1) (car p2)) (- (car p1) (car p2)))(* (- (cadr p1) (cadr p2)) (- (cadr p1) (cadr p2))))))(* 100 (sqrt (+ (* paper_w paper_w) (* paper_h paper_h))))))))(setq re scale));;;改变块的⽐例(defun c:modify_scale (/)(vl-load-com)(setq en (car (entsel))) ;;取块(setq scale (getreal)) ;;取⽐例(setq ename (vlax-ename->vla-object en))(setq xscale (vla-get-xscalefactor ename)yscale (vla-get-yscalefactor ename)zscale (vla-get-zscalefactor ename))(if (> xscale 0)(setq xscale scale)(setq xscale (- scale)))(if (> yscale 0)(setq yscale scale)(setq yscale (- scale)))(vla-put-xscalefactor ename xscale)(vla-put-yscalefactor ename yscale)(vla-put-zscalefactor ename zscale));;向上取整函数(defun ceil (number / int_number)(setq re nil)(setq int_number (fix number))(if (/= (- int_number number) 0)(setq int_number (+ 1 int_number)))(setq re int_number));;;修改块的Z坐标(defun c:set_hight (/ i en enlist key h ss ptx pty) (setq h (getreal "\n输⼊新标⾼:"))(if (= h nil)(setq h 0))(setq key (getreal "\n输⼊阀值:"))(if (= key nil)(setq key 0))(setq ss (ssget "x" '((0 . "insert") (8 . "*"))))(setq i 0sslen (sslength ss))(while (< i sslen)(progn(setq en (ssname ss i))(setq elist (entget en))(if (> (caddr (cdr (assoc 10 elist))) key)(progn(setq ptx (cadr (assoc 10 elist)))(setq pty (caddr (assoc 10 elist)))(setqelist (subst (cons 10 (list ptx pty h))(assoc 10 elist)elist))(entmod elist)))(setq i (+ i 1))))(princ "\n共处理")(princ (+ i 1))(princ "个要素。