我在协调方面也有同样的问题。我的代码有这样的错误：“错误：错误的参数类型：2D/3D点：nil”
- (defun dtr (a)
- (* pi (/ a 180.00))
- )
- (defun rtd (a)
- (/ (* a 180.00) pi)
- )
- ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- (defun c:Dome ()
- (setq osm (getvar "osmode"))
- (setq dK (getdist "\nDiameter of dome: "))
- (setq hv (getreal "\nHeight of dome: "))
- (setq n (getint "\nNumber of grid: "))
- (setq p1 (getpoint "\nBase point: "))
- (setq goc (/ 360 n))
- (setq alpha (dtr goc ))
- ;(setq beta (dtr (- 180 goc)) )
- (setq beta (dtr (/ (- 180 goc) 2) ))
- (setvar "cmdecho" 1)
- (setvar "osmode" 0)
- (setq p2 ( polar p1 (* 0 pi) dK) )
- (setq pc (mid p1 p2))
- (setq ra (distance p1 pc))
- (setq canh (* 2 ra (sin (/ alpha 2) )) )
- (setq p3 (polar p1 beta canh ))
- (setq x1 (car pc)
- y1 (cadr pc)
- z1 (caddr pc) )
-
- (setq z2 (+ z1 hv))
- (setq pdc (list x1 y1 z2))
- (command "line" p1 p3 "" )
- (setq s1 (entlast))
- (command "-array" s1 "" "p" pc n "" "" )
- (command "_.ucs" "zaxis" zo pdc)
- (setq zo (trans zo 0 1))
- (setq phi (/ 180 8 ))
- (setq phi (dtr phi ))
- (setq canh2 (* 2 ra (sin (/ phi 2) )) )
- (setq r2 (/ (+ (* dk dk) (* 4 (* hv hv)) ) (* 8 hv)) ) ; ban kinh cua vom
- (setq zo (- z2 r2))
- (setq oc (list x1 y1 zo))
- (setq deta (dtr (/ (- 180 phi) 2) ))
- (setq zeta (angle p1 zo))
- (setq zeta1 (abs (- deta zeta)))
- (setq zd1 (* r2 (sin zeta1) ))
- (setq zeta2 (abs (- zeta1 phi)))
- (setq zd2 (+ zd1 (* r2 (sin (rtd zeta2)) )))
- (setq zeta3 (abs (- zeta1 phi)))
- (setq zd3 (+ zd2 (* r2 (sin (rtd zeta3)) )))
- (setq xd1 (* r2 (cos (rtd zeta1)) ))
- (setq xd2 (* r2 (cos (rtd zeta2)) ))
- (setq xd3 (* r2 (cos (rtd zeta3)) ))
- (setq pd2 (list xd1 y1 zd1))
- (setq pd3 (list xd2 y1 zd2))
- (setq pd4 (list xd3 y1 zd3))
- (command "line" p1 pd2 "")
- (setq s2 (entlast))
- (command "line" pd2 pd3 "")
- (setq s3 (entlast))
- (command "line" pd3 pdc "")
- (setq s4 (entlast))
- (command "-array" s2 s3 s3 "" "p" pc n "" "" )
- (command "_.ucs" "p" )
- (setvar "osmode" osm)
- (princ)
- )
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