最火怎样求得多段线端点共模电感和弦IC启智玩具Mos管校验台

怎样求得多段线端点？

;;;;已知多段线中一点求该点前后两端点

(defun polyline_pt (ssn@ ptj@ / ptz pts pte jd jd1 jd2 ptb# pt##1 pt##2)

(pline_pt ssn@)

(if (= (setq fs (rem (cdr (assoc '70 (entget ssn@))) 2)) 1)

(setq ptb# (reverse (cons pt1## (reverse ptb#))))

)

(setq lw (cdr (assoc '40 (entget ssn@))))

(setq ptz (cdr (assoc '38 (entget ssn@))))

(setq pts (car ptb#) ptb## ptb#)

(setq ptb# (cdr ptb#))

(setq pt_1 nil pt_2 nil)

(setq ptj@ (trans ptj@ 1 0))

(while ptb#

(setq pte (car ptb#))

(setq jd (rem (angle pts pte) (* 2 pi)))

(if (equal jd (* 2 pi) 0.0001) (setq jd 0))

(setq jd1 (rem (angle pts ptj@) (* 2 pi)))

(if (equal jd1 (* 2 pi) 0.0001) (setq jd1 0))

(setq jd2 (rem (angle ptj@ pte) (* 2 pi)))

(if (equal jd2 (* 2 pi) 0.0001) (setq jd2 0))

硅二极管

(if (and (equal jd1 jd2 0.0001)(equal jd1 jd 0.0001))

(setq pt_1 pts pt_2 pte)

)

(setq pts pte)

(setq ptb# (cdr ptb#))

)

(if (and pt_1 pt_2)

(setq pt_1 (list (car pt_1) (car (cdr pt_1)) ptz)

pt_2 (list (car pt_2) (car (cdr pt_2)) ptz))

(progn

(alert "无法求得拾取点前后的端点!")

(exit)

)

)

)

;;;;ZDM200节电系统0

;;;;寻找lwpolyline,polyline点返回点表ptb#

(DEFUN PLINE_PT (SSN# / N PT PT_B arc_b arcbz ssn5)

(s编制国军标13项etq SSB (ENTGET SSN#) N 1 ssb1 ssb)

(if (= (cdr (assoc '0 ssb)) "LWPOLYLINE")

(progn

(while (SETQ PT_B (assoc '10 SSB))

(SETQ PT (CDR PT_B))

(IF (= N 1)

(SETQ PT1## PT PTB# (LIST PT))

(SET情势都不太乐观Q PT2## PT PTB# (CONS PT PTB#))

)

(SETQ SSB (CDR (MEMBER PT_B SSB)))

(SETQ N (+ N 1))

)

;;;;;;有些封闭的LWPOLYLINE末端多出一点,该点与第一点的差值为本0.001需除去

;;;;;;在编译后的vlsp中LWPOLYLINE点位为三维点,而在Autocad中是二维点

(if (and (= (rem (cdr (assoc '70 (entget ssn#))) 2) 1) (equal pt1## pt2## 0.002))

(setq ptb# (reverse (cdr ptb#)) pt2## (car ptb#))

)

(setq n 1 ssb ssb1)

(while (setq arc_b 临沧(assoc '42 ssb))

(setq arcbz (cdr arc_b))

(if (= n 1)

(setq arcb# (list arcbz))

(setq arcb# (cons arcbz arcb#))

)

(setq ssb (cdr (member arc_b ssb)))

(setq n (+ n 1))

)

)

(progn;;polyline

(setq ssn5 (entnext ssn#))

(setq pt (cdr (assoc '10 (entget ssn5))))

(setq arcbz (cdr (assoc '42 (entget ssn5))))

(融汇贯通setq ptb# (list pt) pt1## pt arcb# (list arcbz))

(setq ssn5 (entnext ssn5))

(while (/= (cdr (assoc '0 (entget ssn5))) "SEQEND")

(setq pt (cdr (assoc '10 (entget ssn5))))

(setq arcbz (cdr (assoc '42 (entget ssn5))))

(铸钢球阀setq ptb# (cons pt ptb# ) pt2## pt arcb# (cons arcbz arcb#))

(setq ssn5 (entnext ssn5))

)

)

)

(SETQ PTB# (REVERSE PTB#))

(setq arcb# (cons 0 (reverse arcb#)))

)

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