本帖最后由 作者 于 2007-1-13 11:15:27 编辑
刚接触lisp,想编一个批量打印程序,将图框按先X后Y的顺序打印。
找到一个通用排序工具,试了一下,打印顺序总是不对。我对下面这句不太明白 :- (if (or (= xory "xy") (= xory "XY"))
- (setq coy (+ (cadr (assoc 10 lp)) (caddr (assoc 10 lp))))
- )
我不理解“X坐标+Y坐标”后得出什么结果,请指教,谢谢!
通用程序如下:- ;;将选择的图元安X、Y或X+Y坐标排序 (其中SE为选择集,XORY为X、Y或XY
- ;;
- (defun zhy_sort_se (se xory)
- (setq newse nil)
- (setq n (sslength se))
- (setq index 0)
- (setq aal '())
- (repeat n
- (setq name (ssname se index))
- (setq lp (entget name))
- (if (or (= xory "y") (= xory "Y"))
- (setq coy (caddr (assoc 10 lp)))
- )
- (if (or (= xory "x") (= xory "X"))
- (setq coy (cadr (assoc 10 lp)))
- )
- (if (or (= xory "xy") (= xory "XY"))
- (setq coy (+ (cadr (assoc 10 lp)) (caddr (assoc 10 lp))))
- )
- (setq item (list coy (cdr (assoc 5 lp))))
- (setq aal (cons item aal))
- (setq index (1+ index))
- )
- (setq newsort
- (vl-sort aal
- (function (lambda (e1 e2)
- (> (car e1) (car e2))
- )
- )
- )
- )
- (setq n1 (length newsort))
- (setq ind 0)
- (repeat n1
- (setq ntt (nth ind newsort))
- (setq ind (1+ ind))
- (setq ty (handent (cadr ntt)))
- (if (/= ty nil)
- (if (= newse nil)
- (setq newse (ssadd ty))
- (setq newse (ssadd ty newse))
- )
- )
- )
- )
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