楼主们,.看看这个天圆地方为什么有的机能用
<p>楼主们,.看看这个天圆地方为什么有的机能用.有的机不能用.我们公司里只有两台电脑能用</p><p>(defun c:tydf (/ ppp a ab b r h x y z p01 p02 p03 p04 p1 p2 p3 p4 pt11 pt12 pt13<br/> pt21 pt22 pt23 pt0 pt1 k e c ang ang1 ppp1 ppp2 ppp3 ppp4 ss)<br/> (setvar "cmdecho" 0)<br/> (alert "本程序已将UCS设为世界坐标系！")<br/> (command "ucs" "w")<br/> (setq ppp (getpoint "\n请输入地方的中心点"))<br/> (setq a (getdist ppp "\n请输入地方的半长度:"))<br/> (setq b (getdist ppp "\n请输入地方的半宽度:"))<br/> (setq r (getdist ppp "\n请输入天圆的半径:"))<br/> (setq h (getdist ppp "\n请输入天圆地方的高度:"))<br/> (setq ss (ssadd));;;;;<br/> (if (< a b)<br/> (progn<br/> (setq ab b)<br/> (setq b a)<br/> (setq a ab)<br/> )<br/> )<br/> (if (< b r)<br/> (progn<br/> (alert"您要画的是天圆地方，圆的直径不能大于“地方”的宽度和长度!")<br/> (exit)) <br/> )<br/> (setq oldos (getvar "osmode"))<br/> (setvar "osmode" 0)<br/> (setq x (car ppp))<br/> (setq y (cadr ppp))<br/> (setq z (caddr ppp))<br/> (setq p01 (list (+ x a) (- y b) z) ;第四象限点<br/> p02 (list (+ x a) (+ y b) z) ;第一象限点<br/> p03 (list (- x a) (+ y b) z) ;第二象限点<br/> P04 (List (- x a) (- y b) z)) ;第三象限点<br/> (command "rectang" p01 p03)<br/> (setq aa (atan (/ (- b r) h))) ;angle = Atn((b - d) / (2 * h))<br/> (setq ang (R->D aa)) ;弧度转化为度<br/> (setq p12 (list (+ x a) y z))<br/> (setq p23 (list x (+ y b) z))<br/> (setq p34 (list (- x a) y z))<br/> (setq p41 (list x (- y b) z))<br/> (command "extrude" (list (entlast) p23) "" h ang);;;;;;<br/> (ssadd (entlast) ss);;;;;<br/> (setq p1 (list (+ x r) y (+ z h)) ;+X点<br/> p2 (list x (+ r y) (+ z h)) ;+Y点<br/> p3 (list (- x r) y (+ z h)) ;-X点<br/> p4 (list x (- y r) (+ z h))) ;-Y点<br/> (command "slice" (list (entlast) p23) "" p01 p02 p1 p03) ;;;;;<br/> (command "slice" (list (entlast) p23) "" p03 p04 p3 p01)<br/> (command "slice" (list (entlast) p23) "" p01 p4 p1 p3)<br/> (command "slice" (list (entlast) p23) "" p02 p1 p2 p4)<br/> (command "slice" (list (entlast) p23) "" p03 p2 p3 p1)<br/> (command "slice" (list (entlast) p23) "" p04 p3 p4 p2)</p><p> (setq pt11 (+ x (* r (cos (atan (/ b a)))))<br/> pt12 (- y (* r (sin (atan (/ b a)))))<br/> pt13 (+ z h))<br/> (setq pt1 (list pt11 pt12 pt13)) ;射线交点1<br/> (setq pt21 (- x (* r (cos (atan (/ b a)))))<br/> pt22 (+ y (* r (sin (atan (/ b a)))))<br/> pt23 (+ z h))<br/> (setq pt2 (list pt21 pt22 pt23)) ;射线交点2<br/> (setq d01 (distance p01 pt1)<br/> d02 (distance p01 pt2)<br/> d12 (distance pt1 pt2))<br/> (setq c (/ d01 d02))<br/> (setq pt01 (/ (+ pt11 (* c pt21))(+ 1 c)))<br/> (setq pt02 (/ (+ pt12 (* c pt22))(+ 1 c)))<br/> (setq pt03 (+ z h))<br/> (setq pt0 (list pt01 pt02 pt03)) ;椭圆锥圆心<br/> (setq k (angle pt0 pt1))<br/> (setq aa (sqrt (* (distance pt0 pt1) (distance pt0 pt2))))<br/> (setq e (/ (- (+ (* d01 d01) (* d02 d02)) (* d12 d12))<br/> (* 2 d01 d02)))<br/> (setq ang1 (+ (atan (/ (- 0 e) (sqrt (- 1 (* e e))))) (* 2 (atan 1))))<br/> (setq bb (/ (* (sin (/ ang1 2)) (distance p01 pt0)) (cos (/ ang1 2))))<br/> (command "ucs" "za" pt0 p01)<br/> (setq pp1 (list aa 0 0))<br/> (setq pp2 (list (- 0 aa) 0 0))<br/> (setq pp3 (list 0 0 (distance pt0 p01)))<br/> (command "cone" "e" "c" "" pp1 bb "a" pp3)<br/> (command "ucs" "p")<br/> (command "slice" "l" "" p1 p2 p3 p01)<br/> (setq ppp1 (list (+ x (/ r (sqrt 2)))(- y (/ r (sqrt 2)))(+ z h)))<br/> (setq ppp2 (list (+ x (/ r (sqrt 2)))(+ x (/ r (sqrt 2)))(+ z h)))<br/> (setq ppp3 (list (- x (/ r (sqrt 2)))(+ x (/ r (sqrt 2)))(+ z h)))<br/> (setq ppp4 (list (- x (/ r (sqrt 2)))(- y (/ r (sqrt 2)))(+ z h)))<br/> (command "slice" "l" "" p1 p4 p01 (list (+ x a) (- y b) (+ z h)))<br/> (ssadd (entlast) ss);;;;;;<br/> (command "mirror" "l" "" p23 p41 "n")<br/> (ssadd (entlast) ss);;;;;;<br/> (command "mirror" "l" "" p12 p34 "n")<br/> (ssadd (entlast) ss);;;;;;<br/> (command "mirror" "l" "" p23 p41 "n")<br/> (ssadd (entlast) ss);;;;;<br/> (command "union" ss "")<br/> (setvar "osmode" oldos)<br/> (princ) <br/>)<br/>(defun R->D (number)<br/> (* 180 (/ number pi))<br/>)<br/></p>
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