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发表于 2011-5-21 22:26:43
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(setq ang_pb (* atan_pb (/ 180 pi)))2 H0 N% w. C6 x, ?) f# d: r5 A7 e
(princ ang-pb)9 m0 ~, ]# C, f2 \# J: z
(princ ang-pc)+ B/ N# g& b/ d; f% q
==============7 _0 D! ]. q( A3 O' e: D# ]
4 `& r) m( s# H. S; {* Y- (defun C:15 ()6 U7 y$ @3 `1 v' Q
- (setq pa (getpoint "请输入三角形左下的点:")); p3 A( y% U, T4 P$ o
- (setq ww (getreal "\n 输入底边长度:"))- i5 H+ C4 a' |. ~2 s
- (setq kk (getreal "\n 输入斜边长度:"))- j) S; g B+ U) X+ y" L% F
- (setq pb (polar pa 0 ww))% b/ u- f, W! p' e5 y
- (setq hh (sqrt (- (* kk kk) (* ww ww))))
! `5 e7 y+ M* f# @3 P9 f; I - (setq pc (polar pa (/ pi 2) hh))
" A6 ]" c# o+ L3 M0 l0 d7 Y4 v7 v - ; x1 n0 N3 |2 z8 j' Q* i$ s Z( E d
- ;; (setvar "OsMode" 0) ;捕捉
5 Q" G- r2 x0 b/ v- u3 U3 d - (command "pline" pa pb pc "c")
U& \6 N0 z8 ]5 F - (princ "\n 另一边hh的长度=")7 }/ Y( f& ?2 ~! X) p
- (princ hh)- B, a: z+ t7 p4 f3 z0 d% a
- (setq ang_pb (atan (/ hh ww)))! j) n, J5 M* g+ n5 Y
- (setq ang_pb (* ang_pb (/ 180 pi)))
! Z4 L3 ^7 t9 s$ B+ w - (setq ang_pc (- 90 ang_pb))" k ~! @4 L5 i9 I, K$ R a
- (princ "\n pb的夹角=")
* u* [' y- T& M. y4 M0 X" W P - (princ ang_pb) (princ "度")
% [, R5 N4 y: {" b - (princ "\n pc的夹角=") (princ ang_pc)
6 p, ?' Y; m$ E - (princ "度")
; |- C. U, w; Z2 q* G - )
; n, W9 Y3 X; n8 W3 A - (prompt "\n 自动完成 ")( s: r l/ ^$ ^% i1 Z7 V1 M3 V" J
- (prin1)' n! `8 y3 C B. d7 I+ T
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