本帖最后由 Andyhon 于 2011-10-22 22:02 编辑
- (defun dtr (x) (* pi (/ x 180.0)))
- (defun tan (z / cosz) ; [fixed]
- (setq *INFINITY* 1.7e308) ; largest double
- (if (zerop (setq cosz (cos z)))
- *INFINITY*
- (/ (sin z) cosz)
- )
- )
- (defun c:flx (/ p p0 p1 p2 p3 p4 p5 p6 v c h w r1 r2 b1 b2 b3 α e t1)
- (setq v (getReal "\n输入指示空速: "))
- (setq c (getReal "\n输入与ISA的差值: "))
- (setq h (getReal "\n输入高度（米）: "))
- (setq w (getReal "\n输入风速: "))
- (setq p (getpoint "\n确定起始点: "))
- (setq α (getReal "\n输入转弯坡度角: "))
-
- (setq t1 (/ (* v 171233 (expt (- (+ 288 c) (* 0.006496 h)) 0.5))
- (expt (- 288 (* 0.006496 h)) 2.628)
- )
- )
- ;|
- ;;r2=3431*tan(α）/(π t1)
- (setq r2 (/
- (setq tmp1
- (* 3431
- (setq tanz
- (/
- (setq sinz (sin (* pi (/ α 180.0))))
- (setq cosz (cos (* pi (/ α 180.0))))
- ) ) ) )
- (setq tmp2 (* pi t1))
- ) )
- |;
-
- ;;; 公式是r2=3431*tan(25°）/(π t1).
- (setq r2 (/ (* 3431 (tan (dtr α))) pi t1))
-
- (if (> r2 3)
- (setq r2 3)
- )
-
- (setq r1 (/ t1 (* 20 pi r2)))
- (setq p0 (polar p 0 r1))
- (setq e (/ w (* 40 r2)))
- (setq p1 (polar p0 (/ pi 2) e))
- (setq p2 (polar p0 0 e))
- (setq p3 (polar p0 (/ (- pi) 2) e))
- (setq b1 (expt (+ (* r1 r1) (* e e)) 0.5))
- (setq b2 (+ r1 e))
- (setq b3 (+ r1 (* 2 e)))
- (setq p4 (polar p1 (/ pi 2) b1))
- (setq p5 (polar p2 0 b2))
- (setq p6 (polar p3 (/ (- pi) 2) b3))
-
- (setVar "OsMode" 0)
- (command "arc" "c" p1 p4 p)
- (command "arc" "c" p2 p5 p4)
- (command "arc" "c" p3 p6 p5)
-
- (setq fn (open (getfiled "将文件保存为：" "gc.txt" "txt" 1) "w"))
- (write-line (strcat "t1=" (rtos t1)) fn)
- (write-line (strcat "r2=" (rtos r2)) fn)
- (write-line (strcat "r1=" (rtos r1)) fn)
- (write-line (strcat "b1=" (rtos b1)) fn)
- (write-line (strcat "b2=" (rtos b2)) fn)
- (write-line (strcat "b3=" (rtos b3)) fn)
- (close fn)
- (command "_zoom" "0.5X")
- (princ)
- )
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发表于 2011-10-22 19:55:51
显身卡
楼主
，能不能麻烦你在我源程序的基础上帮我改一下，或是详细点解释下，用这个编程，也就这一回了。。。