马上注册,结交更多好友,享用更多功能,让你轻松玩转社区。
您需要 登录 才可以下载或查看,没有账号?立即注册
×
 - (defun c:test ( / ent enx idx sel )
- (if (setq sel (ssget '((0 . "INSERT") (66 . 1))))
- (repeat (setq idx (sslength sel))
- (setq ent (entnext (ssname sel (setq idx (1- idx))))
- enx (entget ent)
- )
- (while (= "ATTRIB" (cdr (assoc 0 enx)))
- (entmake
- (append
- '(
- (000 . "LWPOLYLINE")
- (100 . "AcDbEntity")
- (100 . "AcDbPolyline")
- (090 . 4)
- (070 . 1)
- )
- (list (cons 38 (cadddr (assoc 10 enx))))
- (mapcar '(lambda ( p ) (cons 10 p)) (LM:textbox ent))
- (list (assoc 210 enx))
- )
- )
- (setq ent (entnext ent)
- enx (entget ent)
- )
- )
- )
- )
- (princ)
- )
-
- ;; Text Box - Lee Mac
- ;; A wrapper for the textbox function to return the bounding box of a Text or Attrib (in OCS)
-
- (defun LM:textbox ( ent / ins mat rot )
- (setq ent (entget ent)
- ins (cdr (assoc 10 ent))
- rot (cdr (assoc 50 ent))
- mat (list
- (list (cos rot) (sin (- rot)) 0.0)
- (list (sin rot) (cos rot) 0.0)
- '(0.0 0.0 1.0)
- )
- )
- (mapcar '(lambda ( x ) (mapcar '+ (mxv mat x) ins)) (LM:points->boundingbox (textbox ent)))
- )
-
- ;; Points to Bounding Box - Lee Mac
- ;; Returns the rectangular extents of a supplied point list
-
- (defun LM:points->boundingbox ( lst )
- ( (lambda ( l )
- (mapcar '(lambda ( a ) (mapcar '(lambda ( b ) ((eval b) l)) a))
- '(
- (caar cadar)
- (caadr cadar)
- (caadr cadadr)
- (caar cadadr)
- )
- )
- )
- (mapcar '(lambda ( f ) (apply 'mapcar (cons f lst))) '(min max))
- )
- )
函数 MXV:
 -
- ;; Matrix x Vector - Vladimir Nesterovsky
- ;; Args: m - nxn matrix, v - vector in R^n
-
- (defun mxv ( m v )
- (mapcar '(lambda ( r ) (apply '+ (mapcar '* r v))) m)
- )
-
- (princ)
|