请教各位高手,如何根据填充图案,反推出填充边界?
请教各位高手,如何根据填充图案,反推出填充边界(比如能反画出填充边界线)? <P>;;; 11 功能:通过选定的阴影图案生成边界线=================================<BR>(defun c:hb () (c:hatchb)) called hb<BR> ;; this line can be commented out if there is an existing command<BR>(defun c:hatchb (/ es blay ed1 ed2<BR> loops1 bptf part et noe<BR> plist ic bul nr ang1<BR> ang2 obj *ModelSpace*<BR> *PaperSpace* space cw errexit<BR> undox olderr oldcmdecho ss1 lastent<BR> en1 en2 ss lwp<BR> list->variantArray 3dPoint->2dPoint A2k<BR> ent i ss2 knot-list<BR> controlpoint-list kn cn pos<BR> xv<BR> )<BR> (setq A2k (wcmatch (getvar "ACADVER") "15*"))<BR> (if A2k<BR> (defun list->variantArray (ptsList / arraySpace sArray)<BR> (setq arraySpace<BR> (vlax-make-safearray<BR> vlax-vbdouble<BR> (cons 0 (- (length ptsList) 1))<BR> ) ;_ 结束vlax-make-safearray<BR> ) ;_ 结束setq<BR> (setq sArray (vlax-safearray-fill arraySpace ptsList))<BR> (vlax-make-variant sArray)<BR> ) ;_ 结束defun<BR> ) ;_ 结束if<BR> (if A2k<BR> (defun 3dPoint->2dPoint (3dpt)<BR> (list (float (car 3dpt)) (float (cadr 3dpt)))<BR> ) ;_ 结束defun<BR> ) ;_ 结束if</P><P> (defun errexit (s)<BR> (princ "\nError: ")<BR> (princ s)<BR> (restore)<BR> ) ;_ 结束defun</P>
<P> (defun undox ()<BR> (command "._ucs" "_p")<BR> (command "._undo" "_E")<BR> (setvar "cmdecho" oldcmdecho)<BR> (setq *error* olderr)<BR> (princ)<BR> ) ;_ 结束defun</P>
<P> (setq olderr *error*<BR> restore undox<BR> *error* errexit<BR> ) ;_ 结束setq<BR> (setq oldcmdecho (getvar "cmdecho"))<BR> (setvar "cmdecho" 0)<BR> (command "._UNDO" "_BE")<BR> (if A2k<BR> (progn<BR> (vl-load-com)<BR> (setq *ModelSpace* (vla-get-ModelSpace<BR> (vla-get-ActiveDocument (vlax-get-acad-object))<BR> ) ;_ 结束vla-get-ModelSpace<BR> *PaperSpace* (vla-get-PaperSpace<BR> (vla-get-ActiveDocument (vlax-get-acad-object))<BR> ) ;_ 结束vla-get-PaperSpace<BR> ) ;_ 结束setq<BR> ) ;_ 结束progn<BR> ) ;_ 结束if<BR> ;; For testing purpose<BR> ;; (setq A2k nil)<BR> (if (/= (setq ss2 (ssget '((0 . "HATCH")))) nil)<BR> (progn<BR> (setq i 0)<BR> (while (setq ent (ssname ss2 i))<BR> (setq ed1 (entget ent))<BR> (if (not (equal (assoc 210 ed1) '(210 0.0 0.0 1.0)))<BR> (princ "\nHatch not in WCS!")<BR> ) ;_ 结束if<BR> (setq xv (cdr (assoc 210 ed1)))<BR> (command "._ucs" "_w")<BR> (setq loops1 (cdr (assoc 91 ed1)))<BR> ; number of boundary paths (loops)<BR> (if (and A2k (= (strcase (cdr (assoc 410 ed1))) "MODEL"))<BR> (setq space *ModelSpace*)<BR> (setq space *PaperSpace*)<BR> ) ;_ 结束if<BR> (repeat loops1<BR> (setq ed1 (member (assoc 92 ed1) ed1))<BR> (setq bptf (cdr (car ed1))) ; boundary path type flag<BR> (setq ic (cdr (assoc 73 ed1))) ; is closed<BR> (setq noe (cdr (assoc 93 ed1))) ; number of edges<BR> (setq ed1 (member (assoc 72 ed1) ed1))<BR> (setq bul (cdr (car ed1))) ; bulge<BR> (setq plist nil)<BR> (setq blist nil)<BR> (cond<BR> ((> (boole 1 bptf 2) 0) ; polyline<BR> (repeat noe<BR> (setq ed1 (member (assoc 10 (cdr ed1)) ed1))<BR> (setq plist (append plist (list (cdr (assoc 10 ed1)))))<BR> (setq blist (append blist<BR> (if (> bul 0)<BR> (list (cdr (assoc 42 ed1)))<BR> nil<BR> ) ;_ 结束if<BR> ) ;_ 结束append<BR> ) ;_ 结束setq<BR> ) ;_ 结束repeat<BR> (if A2k<BR> (progn<BR> (setq polypoints<BR> (apply 'append<BR> (mapcar '3dPoint->2dPoint plist)<BR> ) ;_ 结束apply<BR> ) ;_ 结束setq<BR> (setq VLADataPts (list->variantArray polypoints))<BR> (setq<BR> obj (vla-addLightweightPolyline space VLADataPts)<BR> ) ;_ 结束setq<BR> (setq nr 0)<BR> (repeat (length blist)<BR> (if (/= (nth nr blist) 0)<BR> (vla-setBulge obj nr (nth nr blist))<BR> ) ;_ 结束if<BR> (setq nr (1+ nr))<BR> ) ;_ 结束repeat<BR> (if (= ic 1)<BR> (vla-put-closed obj T)<BR> ) ;_ 结束if<BR> ) ;_ 结束progn<BR> (progn<BR> (if (= ic 1)<BR> (entmake '((0 . "POLYLINE") (66 . 1) (70 . 1)))<BR> (entmake '((0 . "POLYLINE") (66 . 1)))<BR> ) ;_ 结束if<BR> (setq nr 0)<BR> (repeat (length plist)<BR> (if (= bul 0)<BR> (entmake (list (cons 0 "VERTEX")<BR> (cons 10 (nth nr plist))<BR> ) ;_ 结束list<BR> ) ;_ 结束entmake<BR> (entmake (list (cons 0 "VERTEX")<BR> (cons 10 (nth nr plist))<BR> (cons 42 (nth nr blist))<BR> ) ;_ 结束list<BR> ) ;_ 结束entmake<BR> ) ;_ 结束if<BR> (setq nr (1+ nr))<BR> ) ;_ 结束repeat<BR> (entmake '((0 . "SEQEND")))<BR> ) ;_ 结束progn<BR> ) ;_ 结束if<BR> )<BR> (t ; not polyline<BR> (setq lastent (entlast))<BR> (setq lwp T)<BR> (repeat noe<BR> (setq et (cdr (assoc 72 ed1)))<BR> (cond<BR> ((= et 1) ; line<BR> (setq ed1 (member (assoc 10 (cdr ed1)) ed1))<BR> (if A2k<BR> (vla-AddLine<BR> space<BR> (vlax-3d-point (cdr (assoc 10 ed1)))<BR> (vlax-3d-point (cdr (assoc 11 ed1)))<BR> ) ;_ 结束vla-AddLine<BR> (entmake<BR> (list<BR> (cons 0 "LINE")<BR> (list 10<BR> (cadr (assoc 10 ed1))<BR> (caddr (assoc 10 ed1))<BR> 0<BR> ) ;_ 结束list<BR> (list 11<BR> (cadr (assoc 11 ed1))<BR> (caddr (assoc 11 ed1))<BR> 0<BR> ) ;_ 结束list<BR> ; (cons 210 xv)<BR> ) ;_ 结束list<BR> ) ;_ 结束entmake<BR> ) ;_ 结束if<BR> (setq ed1 (cddr ed1))<BR> )<BR> ((= et 2) ; circular arc<BR> (setq ed1 (member (assoc 10 (cdr ed1)) ed1))<BR> (setq ang1 (cdr (assoc 50 ed1)))<BR> (setq ang2 (cdr (assoc 51 ed1)))<BR> (setq cw (cdr (assoc 73 ed1)))<BR> (if (equal ang2 6.28319 0.00001)<BR> (progn<BR> (if A2k<BR> (vla-AddCircle<BR> space<BR> (vlax-3d-point (cdr (assoc 10 ed1)))<BR> (cdr (assoc 40 ed1))<BR> ) ;_ 结束vla-AddCircle<BR> (entmake (list (cons 0 "CIRCLE")<BR> (assoc 10 ed1)<BR> (assoc 40 ed1)<BR> ) ;_ 结束list<BR> ) ;_ 结束entmake<BR> ) ;_ 结束if<BR> (setq lwp nil)<BR> ) ;_ 结束progn<BR> (if A2k<BR> (vla-AddArc<BR> space<BR> (vlax-3d-point (cdr (assoc 10 ed1)))<BR> (cdr (assoc 40 ed1))<BR> (if (= cw 0)<BR> (- 0 ang2)<BR> ang1<BR> ) ;_ 结束if<BR> (if (= cw 0)<BR> (- 0 ang1)<BR> ang2<BR> ) ;_ 结束if<BR> ) ;_ 结束vla-AddArc<BR> (entmake (list (cons 0 "ARC")<BR> (assoc 10 ed1)<BR> (assoc 40 ed1)<BR> (cons 50<BR> (if (= cw 0)<BR> (- 0 ang2)<BR> ang1<BR> ) ;_ 结束if<BR> ) ;_ 结束cons<BR> (cons 51<BR> (if (= cw 0)<BR> (- 0 ang1)<BR> ang2<BR> ) ;_ 结束if<BR> ) ;_ 结束cons<BR> ) ;_ 结束list<BR> ) ;_ 结束entmake<BR> ) ;_ 结束if<BR> ) ;_ 结束if<BR> (setq ed1 (cddddr ed1))<BR> )<BR> ((= et 3) ; elliptic arc<BR> (setq ed1 (member (assoc 10 (cdr ed1)) ed1))<BR> (setq ang1 (cdr (assoc 50 ed1)))<BR> (setq ang2 (cdr (assoc 51 ed1)))<BR> (setq cw (cdr (assoc 73 ed1)))<BR> (if A2k<BR> (progn<BR> (setq obj (vla-AddEllipse<BR> space<BR> (vlax-3d-point (cdr (assoc 10 ed1)))<BR> (vlax-3d-point (cdr (assoc 11 ed1)))<BR> (cdr (assoc 40 ed1))<BR> ) ;_ 结束vla-AddEllipse<BR> ) ;_ 结束setq<BR> (vla-put-startangle<BR> obj<BR> (if (= cw 0)<BR> (- 0 ang2)<BR> ang1<BR> ) ;_ 结束if<BR> ) ;_ 结束vla-put-startangle<BR> (vla-put-endangle<BR> obj<BR> (if (= cw 0)<BR> (- 0 ang1)<BR> ang2<BR> ) ;_ 结束if<BR> ) ;_ 结束vla-put-endangle<BR> ) ;_ 结束progn<BR> (princ "\n不支持椭圆或椭圆弧!")<BR> ) ;_ 结束if<BR> (setq lwp nil)<BR> )<BR> ((= et 4) ; spline<BR> (setq ed1 (member (assoc 94 (cdr ed1)) ed1))<BR> (setq knot-list nil)<BR> (setq controlpoint-list nil)<BR> (setq kn (cdr (assoc 95 ed1)))<BR> (setq cn (cdr (assoc 96 ed1)))<BR> (setq pos (vl-position (assoc 40 ed1) ed1))<BR> (repeat kn<BR> (setq<BR> knot-list (cons (cons 40 (cdr (nth pos ed1)))<BR> knot-list<BR> ) ;_ 结束cons<BR> ) ;_ 结束setq<BR> (setq pos (1+ pos))<BR> ) ;_ 结束repeat<BR> (setq pos (vl-position (assoc 10 ed1) ed1))<BR> (repeat cn<BR> (setq controlpoint-list<BR> (cons<BR> (cons 10 (cdr (nth pos ed1)))<BR> controlpoint-list<BR> ) ;_ 结束cons<BR> ) ;_ 结束setq<BR> (setq pos (1+ pos))<BR> ) ;_ 结束repeat<BR> (setq knot-list (reverse knot-list))<BR> (setq controlpoint-list (reverse controlpoint-list))<BR> (entmake (append<BR> (list '(0 . "SPLINE"))<BR> (list (cons 100 "AcDbEntity"))<BR> (list (cons 100 "AcDbSpline"))<BR> (list (cons 70<BR> (+ 1<BR> 8<BR> (* 2 (cdr (assoc 74 ed1)))<BR> (* 4 (cdr (assoc 73 ed1)))<BR> ) ;_ 结束+<BR> ) ;_ 结束cons<BR> ) ;_ 结束list<BR> (list (cons 71 (cdr (assoc 94 ed1))))<BR> (list (cons 72 kn))<BR> (list (cons 73 cn))<BR> knot-list<BR> controlpoint-list<BR> ) ;_ 结束append<BR> ) ;_ 结束entmake<BR> (setq ed1 (member (assoc 10 ed1) ed1))<BR> (setq lwp nil)<BR> )<BR> ) ; end cond<BR> ) ; end repeat noe<BR> (if lwp<BR> (progn<BR> (setq en1 (entnext lastent))<BR> (setq ss (ssadd))<BR> (ssadd en1 ss)<BR> (while (setq en2 (entnext en1))<BR> (ssadd en2 ss)<BR> (setq en1 en2)<BR> ) ;_ 结束while<BR> (command "_.pedit" (entlast) "_Y" "_J" ss "" "")<BR> ) ;_ 结束progn<BR> ) ;_ 结束if<BR> ) ; end t<BR> ) ; end cond<BR> ) ; end repeat loops1<BR> (setq i (1+ i))<BR> ) ;_ 结束while<BR> ) ;_ 结束progn<BR> ) ;_ 结束if<BR> (restore)<BR> (princ)<BR>) ;_ 结束defun</P> <P>见下图,直接重新创建边界即可</P> 谢谢<A name=81589><FONT color=#000066><B>asdf159</B></FONT></A>!!!因为我公司用的是cad2002,所以没有CAD2006的新功能!<A name=81591><FONT color=#000066><FONT color=#000000>谢谢</FONT><STRONG>liusz111</STRONG></FONT></A>! <P>也许是边界被盖掉所以看不见了。果真如此可以:</P>
<P>DRAWORDER→选取hatch→ENTER</P> 为什么我的 是灰色不可选?? <P>先要没了边界才可以重新生成边界呀。双击填充图案按钮就会变亮了。</P> <font color="#f70938"><strong><font face="Verdana">用编辑器生成的编辑都是一段段的,不连续!</font>还是<font face="Verdana">asdf159的LISP程序好!太棒了!非常感谢!</font></strong></font> asdf159 发表于 2006-1-26 17:58 static/image/common/back.gif
;;; 11 功能:通过选定的阴影图案生成边界线=================================(defun c:hb () (c:hatchb)) ...
找了很久啊 非常感谢啊 非常感谢楼主,楼主威武
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