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发表于 2011-5-21 22:26:43
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来自: 中国台湾
(setq ang_pb (* atan_pb (/ 180 pi)))
2 c5 ~0 S/ _ B% C; s1 B(princ ang-pb)2 I4 T, s, Y4 Y* S$ Z O, g" R* \2 `
(princ ang-pc)/ l6 S) L' F" B6 C2 t7 b8 }; g8 L
==============
1 p9 I/ w; z. i) {- % R3 X( {1 R% X5 r, F: r7 H, r
- (defun C:15 (), e1 T* i! b E$ Y8 V; E* R
- (setq pa (getpoint "请输入三角形左下的点:"))
! {, Q1 \: c' O9 y3 ?/ P - (setq ww (getreal "\n 输入底边长度:"))
/ w" e/ o6 k; ~ - (setq kk (getreal "\n 输入斜边长度:"))) ~$ }7 {. q) {( f1 ~2 Y
- (setq pb (polar pa 0 ww))
. E; Y S2 Q1 b/ r: L - (setq hh (sqrt (- (* kk kk) (* ww ww))))
7 Q1 q! |/ g& W - (setq pc (polar pa (/ pi 2) hh))
. N, g) ]. J8 Q+ _" |( A -
4 s5 f7 p' L7 y - ;; (setvar "OsMode" 0) ;捕捉
5 {& s+ c% ^% E1 v3 g. g, P - (command "pline" pa pb pc "c")& `% g z( u8 g4 i
- (princ "\n 另一边hh的长度=")
4 P# O8 B' L m5 \" d$ Q/ c- a - (princ hh)
1 T( X, d" m' R5 C/ Y8 E - (setq ang_pb (atan (/ hh ww)))
9 B" Y6 h7 r, k9 D( \6 e! c - (setq ang_pb (* ang_pb (/ 180 pi)))
& K, m' ?2 a3 ^7 t, c - (setq ang_pc (- 90 ang_pb))- m7 `$ A7 U6 t: X0 i, a5 n
- (princ "\n pb的夹角="), u$ P' U' O% H
- (princ ang_pb) (princ "度")3 @% `5 y/ m" g; \
- (princ "\n pc的夹角=") (princ ang_pc)
?6 w7 U8 Y# W E! x4 W, ?& m - (princ "度")
; o- N) A: h$ R+ d - )
5 o0 W. a, m- v" B2 S& U - (prompt "\n 自动完成 ")( X7 {' L" D7 ?& ?9 M c% e
- (prin1)
2 b7 P: ~ c1 s/ q3 B0 x# `
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