重画剖面线:如果剖面线的边界发生变化,如拉伸后剖面线没有与边界同步调整,下面的程序可以“修复剖面线”。只对简单的图形有效(《=3 个分开的图形)。当然图形得是封闭的,原来的剖面线位置变化不大。
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(defun C:hath() z2 f8 o* x, B
(setq DIMENSION (car (entsel)))$ V4 {4 Q' |8 i- G3 q3 ~
(setq SSL NIL)
2 }8 Q) O$ P$ e& q8 K0 Y4 E(setq ssL (ssadd))
3 |; z! n8 D, z! }' a1 n- U2 z8 l5 p(ssadd DIMENSION SSL)2 u6 d7 z, j& z' M3 S c0 U' `! g% m
(setq DIMENSION (entget DIMENSION))" {4 A- G& U- O- X1 p" h
(setq no (cdr (assoc '98 DIMENSION)))+ b6 A5 L! f) u) p2 e6 s" H4 e! B
(if (<= no 3)" E: A, r$ K, X9 m0 u9 G: E
(progn9 U# }* H; @1 H- v4 [8 k% H
(if (= no 1)1 H, x# q- J$ A
(progn. ]' n! h- ~1 e" J
(setq l1 (length DIMENSION))
7 a( `" y6 ?/ V; I6 j(setq p1 (cdr (nth (- l1 1) DIMENSION)))( `% F# v' F( P4 e; D- F$ s
(command "-bhatch" p1 "")
, V' t8 B! l1 i- `. L% g K/ M(command "_erase" SSL "")
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: Z6 j5 _- e% p( d(if (= no 2)
* p$ A' i2 } e0 B) Y6 X& J g0 B(progn: d/ ~" Z T2 @3 l3 M- p p
(setq l1 (length DIMENSION)) [0 A- }; o# I2 C$ \2 V" [0 c- c
(setq p1 (cdr (nth (- l1 1) DIMENSION)))
! F* s# ?) j( v& \/ _(setq p2 (cdr (nth (- l1 2) DIMENSION))): Q4 ^( T0 r7 a6 n/ l
(command "-bhatch" p1 p2 "")
, t: @/ l% C) ], V(command "_erase" SSL "")
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6 H) V, o$ \+ h/ r(if (= no 3)- w( V, i" o9 f
(progn
0 h5 K; W% F4 f# X6 E+ m3 o(setq l1 (length DIMENSION))
, G6 p. ?- W6 p5 E8 L$ c! F3 }" `. b/ g(setq p1 (cdr (nth (- l1 1) DIMENSION)))( o- I K) V7 [, f; M+ E& m
(setq p2 (cdr (nth (- l1 2) DIMENSION)))6 Z0 d/ N# B) Z# m7 H$ q
(setq p3 (cdr (nth (- l1 3) DIMENSION)))6 k. i$ c1 b# X! e7 R& k, H% M
(command "-bhatch" p1 p2 p3 "")
3 i" F9 C2 [0 m X# y(command "_erase" SSL "")) t7 i5 A9 h9 [- o) n
))
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. O9 \2 @1 c0 M) ]# h: z4 d- u(if (> no 3)(prompt "请选择简单图形!"))2 d: E& c0 u3 R) \. D% ]
) |