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[已答复] 高手请帮忙在这个程序加个功能

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发表于 2009-9-29 15:43:30 | 显示全部楼层 |阅读模式 来自: 中国广东深圳

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这是个动态查询的程序,想在里面加上一个可以查闭合多段线周长的功能,显示出周长的长度,还显示一个周长乘以可以输入的一个数的等值,这样方便用来查线割的价钱,有哪位高手可以加上去的请帮帮忙,谢谢了
7 o7 B# p2 ^! I0 c# O- @$ i. X, f2 D/ I8 A8 M6 s

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( C7 T; `. T' s+ g$ W(defun C:abc(/ myerr dxf toang fx add_solid add_text dis olderr oldos oldfill ss pd gr pt ent entold)- n  x4 ^& x9 w& i4 d
                                                  ;;输入一个实数0 t7 C$ R3 p. M: `: d
" i* B( G' P8 N% I6 d& z0 u% E; H4 e
(defun myerr(msg)
2 }0 p4 l$ G3 }- h/ F& s(setq *error* olderr)
" z5 H7 H- c/ C$ F& V  c, D(command "_.undo" "_b")
3 [3 M! D2 J, b- B7 L; }(princ)
6 J( E( ]0 j% L6 L0 T4 t)
* k: M( L0 ~2 ?(defun dxf(ent i)
0 _$ U, @7 z$ u6 ~(if (= (type ent) 'ename) ( l4 V1 t9 K* s% T7 L  \$ v
(setq ent (entget ent))
' J8 b/ t: ^& g  n)" T( q: T# N$ E; |+ a
(cdr (assoc i ent))# U. F* m: O" v3 [
)
  d3 L  {5 I* ~' d$ c* L(defun toang(ang i)$ P* L) X$ h) C7 K5 u
(if (= i 1)
  d% L5 b9 q& A& k(* ang (/ 180 pi))
# m1 u) ~- V5 b& u5 y5 |(* ang (/ pi 180))
8 F3 a4 j: N3 J0 t)
6 u6 X- C5 H% H1 r$ l# d: l)3 q, S+ u3 ]9 `7 c
(defun fx(ang)
. q7 U% k0 g' ?8 c2 n$ D# a6 E(cond
$ x" s! [1 D1 e((>= (/ pi 2) ang 0) (list pi (+ pi (/ pi 2)) 1))! J4 I5 H- T. ]( \" i
((>= pi ang (/ pi 2)) (list 0 (+ pi (/ pi 2)) 1))7 I/ @5 I8 ^6 O. K0 w, o1 G: @8 h
((>= (+ pi (/ pi 2)) ang pi) (list 0 (/ pi 2) 0))/ Z$ W4 Y7 C2 ]" c/ N
((>= (* 2 pi) ang (+ pi (/ pi 2))) (list pi (/ pi 2) 0)); B: j5 l, `. Z' @" H
)& _1 A: C0 _5 Z" Z7 p2 a8 e7 {6 b/ G* R- g
)
* B& c/ t' z: e# r2 }( S, B9 n" `(defun add_solid(p1 p2 p3 p4)
: b- h, K! _  D# V# V; ?, V(entmakex (list (cons 0 "SOLID") (cons 100 "AcDbEntity") (cons 62 1) (cons 100 "AcDbTrace")* z! D/ ?3 Q0 ^; o$ c
(cons 10 p1) (cons 11 p2) (cons 12 p3) (cons 13 p4)
1 m: o5 ^! ~: I" \' c)' K" d" [1 d( b3 d3 e  }. t
)
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+ K) B9 `' {( @# z5 g  d(defun add_text(pt h ang txt style jus)) l5 H7 T9 U9 P$ L
(entmakex (list (cons 0 "TEXT") (cons 100 "AcDbEntity") (cons 62 2) (cons 100 "AcDbText") (if (= jus 0) (cons 10 pt) (list 10 0.0 0.0 0.0)) (cons 40 h), c5 y, c* J( G1 M. x8 C  P
(cons 1 txt) (cons 50 ang) (cons 7 style) (cons 72 (cond ((= jus 0) 0) ((= jus 1) 1) ((= jus 2) 1) ((= jus 3) 2))) (if (= jus 0)
+ ?# t7 o9 I$ [6 t5 w3 n) A(list 11 0.0 0.0 0.0) (cons 11 pt)) (cons 100 "AcDbText") (cons 73 (cond ((= jus 0) 0) ((= jus 1) 2) ((= jus 2) 3) ((= jus 3) 2)))
1 o, s8 J/ w" D, y)8 s; B% p# C0 r  `6 Y  ]
)- I3 _" q. s( t
)
; \, J6 Y' e; G(defun dis(ent / obj laynm name st1 st2 st3 lst h ang n)
* H( |9 J  O( a9 x3 ~(setq obj (vlax-ename->vla-object ent))
9 Q- m3 G- B$ u' i(setq laynm (strcat "图层:" (dxf ent 8)) name (dxf ent 0))# H, d- L" c7 W# h5 @0 D
(cond
4 e- X. P0 X+ S7 e((= name "3DFACE")
, X! }+ J; W( i2 Q! M4 v7 U- i' ](setq lst (list "【三维面】" laynm))
( l; C1 g# A( v+ P* \5 J* q' M)2 e( p0 A) D' j- z; z: l
((= name "3DSOLID")
/ L/ ]/ J; G) e% M6 j8 I) s(setq lst (list "【三维实体】" laynm (strcat "格式版本号:" (itoa (dxf ent 70)))))
4 \! s2 s8 i$ Q. w/ v" u* [* Y0 a)
: g9 a0 B  P4 u3 J((= name "ACAD_PROXY_ENTITY")
/ C0 p0 Z) s* U(setq lst (list "【代理】" laynm))" W$ l" u+ j" o: u! L
)
* Q( ]6 o" _$ h  f  |((= name "ARC")' B6 X. y. V" L, {
(setq lst (list "【圆弧】" laynm (strcat "半径:" (rtos (vla-get-radius obj) 2 0))6 a! q+ O  s  J, E( M
(strcat "圆心角:" (rtos (toang (vla-get-TotalAngle obj) 1) 2 1) "度")) S& g) \. Y* R6 |4 l" G
(strcat "起始角:" (rtos (toang (vla-get-StartAngle obj) 1) 2 1) "度")
+ u# g7 Y, f0 U& T4 c(strcat "终止角:" (rtos (toang (vla-get-EndAngle obj) 1) 2 1) "度")' H& u" I, u0 U7 u' d+ K( R. M, f
(strcat "总弧长:" (rtos (vla-get-ArcLength obj) 2 3))
  O4 a% `, N  {$ _(strcat "面积:" (rtos (/ (vla-get-Area obj) 1) 2 3) "m㎡")
: ?5 h! |* P8 l! n  g))
9 M6 p5 _: H: i0 y7 u2 R)7 W0 T! W& M) ]" S' M  Z9 P# P
((= name "ATTDEF")
; a0 p; m6 u* M9 [' I' c: d(setq lst (list "【属性定义】" laynm (strcat "标签:" (vla-get-TagString obj))
3 v9 E7 O; i' V  e1 [6 Z8 ]; z(strcat "提示:" (vla-get-PromptString obj))' s0 [/ N  {' J5 c& q  J; J
(strcat "缺省值:" (vla-get-TextString obj))
& n. S' A; s* ?! Z+ ~  t/ {(strcat "高度:" (rtos (vla-get-Height obj) 2 0))7 K4 t6 m6 `1 G9 v: Z' o! q
(strcat "角度:" (rtos (toang (vla-get-Rotation obj) 1) 2 1) "度")
9 y- t& \% R8 Y9 A(strcat "文字样式:" (vla-get-StyleName obj))
1 v$ ~% z7 q( s/ U) F))
' H9 T, d( p3 a6 E)4 A. F& t$ o# f8 u5 C% q
((= name "ATTRIB")
' M) z& D  r, `  X(setq lst (list "【属性】" laynm (strcat "标签:" (vla-get-TagString obj))) A4 v# J# `: I& s" Y, w
(strcat "缺省值:" (vla-get-TextString obj))! j  m& _6 o, T3 s" W, m& Q; ~
(strcat "高度:" (rtos (vla-get-Height obj) 2 0))
& X3 z+ @; K. V' P+ y. U4 `$ |(strcat "角度:" (rtos (toang (vla-get-Rotation obj) 1) 2 1) "度")
; z' t7 T0 S+ _* ^(strcat "文字样式:" (vla-get-StyleName obj))  c& a1 B. r8 }" K
))
* d" V/ M- N0 `5 C0 ]( }/ M)$ U7 |8 U/ H) g) p. t1 O
((= name "BODY")2 I* l  N+ g, `! S% W
(setq lst (list "【体】" laynm (strcat "格式版本号:" (itoa (dxf ent 70)))))
4 V) k: o9 A6 r5 I7 y+ u% q9 I)) K  ]! U: Q+ y0 X# ^9 p' Y; V2 _
((= name "CIRCLE")
7 q3 M+ P( i* |; K6 A8 ^(setq lst (list "【圆】" laynm (strcat "半径:" (rtos (vla-get-radius obj) 2 0))
# p* L8 V; i4 l* G. m3 X(strcat "周长:" (rtos (vla-get-Circumference obj) 2 0))& d7 Y. ?9 \, J
(strcat "面积:" (rtos (/ (vla-get-Area obj) 1) 2 2) "m㎡")$ K1 Q. r; s# c7 c
))# I) |0 m2 s8 @! \
)5 c4 [% H2 M( Y2 A' Q% W; p* r
((= name "DIMENSION")0 [" K% n6 f* v, G- K, `
(setq lst (list "【尺寸标注】" laynm (strcat "标注样式:" (vla-get-StyleName obj))
, |; c4 n2 B/ C( [(strcat "文字样式:" (vla-get-TextStyle obj)). C3 D, B* t5 D* G
(strcat "文字高度:" (rtos (vla-get-TextHeight obj) 2 1))
, N2 p' F" Q  `( C6 o(strcat "替带文字:" (if (= (dxf ent 1) "") "无" (dxf ent 1)))
' P) l) c3 v9 Y* N))
+ v8 e/ H" n0 ^- ~4 X" k)
' T/ Y- U9 J9 c3 t7 x((= name "ELLIPSE")- C! K& ~2 n. J# U9 O& w5 V
(setq lst (list "【椭圆】" laynm (strcat "长轴半径:" (rtos (vla-get-MajorRadius obj) 2 0))
" W! {5 H% v$ z$ |: ]) R4 W1 b(strcat "短轴半径:" (rtos (vla-get-MinorRadius obj) 2 0))4 A( x6 L0 X. S3 A2 j+ Z" z
(strcat "起始角:" (rtos (toang (vla-get-StartAngle obj) 1) 2 1) "度")
( h8 }9 Y8 B" o+ N# b$ {(strcat "终止角:" (rtos (toang (vla-get-EndAngle obj) 1) 2 1) "度")- J$ E/ H5 W& }; R% w8 s
(strcat "面积:" (rtos (/ (vla-get-Area obj) 1) 2 2) "m㎡")8 n- F! ?& _$ M% L8 S4 i6 s8 n& Q" N
))
2 G/ l5 s9 D3 u: E6 M, |1 P)( S4 D8 a2 B) a  d. g
((= name "HATCH")2 Y8 ~, ^  o& y; n0 S+ V0 ]" h+ t
(setq lst (list "【图案填充】" laynm (strcat "图案名称:" (vla-get-PatternName obj))
! s$ N. A1 M# R) E& P(strcat "角度:" (rtos (toang (vla-get-PatternAngle obj) 1) 2 1))
( n( r/ g$ v. ~7 O- C1 R/ u(strcat "比例:" (rtos (vla-get-PatternScale obj) 2 0))
( x  Q% Y. Y& {& u- k* ~' _(strcat "关联:" (if (= (vla-get-AssociativeHatch obj) :vlax-false) "关闭" "打开"))& h. ]* V. f, d
(strcat "填充样式:" (nth (vla-get-HatchStyle obj) '("普通" "外部" "忽略")))
: w! l, K& W! C6 R2 N))  d9 _" N2 c7 I4 g/ Y) D
)
3 D( P( K% Q7 D1 t  B((= name "IMAGE")) I) l: m, Y- y; }( d
(setq lst (list "【图像】" laynm (strcat "图像大小:" (rtos (car (dxf ent 13)) 2 0) "X" (rtos (cadr (dxf ent 13)) 2 0))))+ o4 d" E3 }- I4 u
)+ U. a6 c/ O/ O; D! t$ e
((= name "INSERT")* z4 E2 t& n% W* j8 N8 M" s
(setq lst (list "【图块】" laynm (strcat "名称:" (dxf ent 2))8 }( J4 z$ g$ s' k8 r5 y3 k
(strcat "X比例:" (rtos (dxf ent 41) 2 1))
5 _# X; y0 b3 K+ C8 o9 k(strcat "Y比例:" (rtos (dxf ent 42) 2 1)); E1 H" ]2 K' x: l: i. U
(strcat "Z比例:" (rtos (dxf ent 43) 2 1))$ ]9 N5 O0 d- J
(strcat "角度:" (rtos (toang (vla-get-Rotation obj) 1) 2 1) "度")
  f( l# H4 e4 _7 {( Q/ u))9 @. |# o9 U# C. N3 t
)3 _: ^& q' }; s: K; u
((= name "LEADER")# u: E( L( m* C) y4 k& @: w
(setq lst (list "【引线】" laynm (strcat "标注样式:" (vla-get-StyleName obj))! N% x( a' j2 e. g& a# @
(strcat "引线类型:" (dxf (list (cons 0 "折线") (cons 1 "样条曲线")) (dxf ent 72)))
& f, C, ~* J! j; v6 }7 |2 T9 p$ h))
% b- Z, [$ a, q- M* b/ H9 }, e1 N)
8 J' h8 b% l$ s6 D' J' Z5 a((= name "LINE")
1 [6 t9 L" ?% k* z(setq lst (list "【直线】" laynm (strcat "长度:" (rtos (vla-get-length obj) 2 0))
& z- ~) {! m; m+ _& K(strcat "角度:" (rtos (toang (vla-get-angle obj) 1) 2 1) "度")
2 h- t9 w6 @! g4 r  T6 ^))
( [; S+ ?; C4 V0 N)" ~" P* R" u- _5 R/ ]% [
((= name "LWPOLYLINE")" p0 z) F! w) ?) T( V: }
(setq lst (list "【多段线】" laynm (strcat "常量宽度:" (if (dxf ent 43) (rtos (vla-get-ConstantWidth obj) 2 0) "变宽度"))
+ l% a8 S! D7 W' T% \2 Q! ~0 D0 X- K(strcat "多段线:" (if (= (vla-get-Closed obj) :vlax-false) "不闭合" "闭合"))
/ {5 K, R2 C3 L; I4 i9 [4 Y8 O( g  i$ b(strcat "面积:" (rtos (/ (vla-get-Area obj) 1) 2 2) "m㎡")
3 B$ z1 u0 v5 |$ K
3 F9 S2 J' y6 Q: U5 [                                                           ;;加上一个可以查闭合多段线周长的功能,显示
$ X, D$ q; o8 L8 g! F                             ;;周长乘以可以输入的一个数的等值,显示
 楼主| 发表于 2009-9-29 15:44:25 | 显示全部楼层 来自: 中国广东深圳
))
3 g( a  q: X* d5 M8 L- c' }# Z5 r)/ D3 F  u9 c* J
((= name "MLINE")
+ G% U, @( }1 g# Q(setq lst (list "【多线】" laynm (strcat "多线样式:" (vla-get-StyleName obj))
4 V$ t- N) p" s% S' G$ z0 q7 X. n(strcat "比例因子:" (rtos (dxf ent 40) 2 1))
% P8 h+ c) _- ]+ I(strcat "对齐:" (nth (dxf ent 70) '("上" "零" "下")))5 r  U1 O% c$ A, G8 R& S1 }, \
))
! M1 X5 d" I7 X3 r. l)
) V1 ]9 [3 L. J: u% r((= name "MTEXT"), @/ j8 e( m! H$ z+ Z- r8 v
(setq lst (list "【多行文字】" laynm (strcat "高度:" (rtos (vla-get-Height obj) 2 0))2 k/ o* F8 Y' t6 l2 d
(strcat "角度:" (rtos (toang (vla-get-Rotation obj) 1) 2 1) "度")
- n" }: Q/ b0 H. s4 I(strcat "样式:" (vla-get-StyleName obj))9 M+ P% g/ t" H4 I/ B% d+ V
))
. s( N5 t2 m1 b, s. T)
4 _& v$ |$ t+ n4 j((or (= name "OLEFRAME") (= name "OLE2FRAME"))
0 j% u5 k4 z0 ?1 W(setq lst (list "【OLE边框】" laynm (strcat "格式版本号:" (itoa (dxf ent 70)))))8 t5 a# [; X- X6 f1 Y+ c& U# D, f
)
  P& [: H. f4 x! V( O((= name "POINT")8 E& c3 ?4 H9 C% _
(setq lst (list "【点】" laynm))$ D% f' p  D% L2 {3 l2 y" [$ ^
)! _  Z. r# `" k4 H7 T
((= name "POLYLINE")4 ^5 A0 y: B7 F: s  Z: b+ M9 z
(setq lst (list "【三维多段线】" laynm))
3 f' Y9 e, r2 J)
; S1 L9 {# D# J8 ]& y# ]2 Y6 s((= name "RAY")
2 r% Q3 X1 y6 T) b& L3 j6 ](setq lst (list "【射线】" laynm))
+ W# B- ?+ |; R$ g" b" A; x7 \+ f( d)4 t7 R; H! |$ W& ^
((= name "REGION"); {  z0 i* b; X) Y0 K2 D1 Q
(setq lst (list "【面域】" laynm (strcat "格式版本号:" (itoa (dxf ent 70)))))
3 _7 e2 f; C, s9 B$ b' H  q" D8 ~); M3 N2 R6 U% {: [; R
((= name "SHAPE")
/ h  [2 _& {& N, r! s+ h(setq lst (list "【形】" laynm (strcat "高度:" (rtos (vla-get-Height obj) 2 0))4 E: {# E: r0 T7 k; }
(strcat "宽度系数:" (rtos (vla-get-ScaleFactor obj) 2 1)): H  y& V( F" P) |$ n" R
(strcat "角度:" (rtos (toang (vla-get-Rotation obj) 1) 2 1) "度")
1 J2 u# U2 v3 D8 m* Z/ L& h- Z; n))/ U2 ^" ?3 W' J+ y5 ]( a
)' k* A8 a% L& f$ ]# ~+ m
((= name "SOLID")% I9 \9 s% x; V( C' Y
(setq lst (list "【实体】" laynm))4 |+ E& G( M* i7 A) U+ f
)
$ r* |( ?/ D* f6 m0 v# W+ B((= name "SPLINE")
& D3 Q" }( ]+ Q2 W( D9 W1 i(setq lst (list "【样条曲线】" laynm (strcat "多段线:" (if (= (vla-get-Closed obj) :vlax-false) "不闭合" "闭合"))! A3 ]9 E+ @- x# d' o
(strcat "阶数:" (rtos (vla-get-Degree obj) 2 0))# L% a$ w6 q. q- |' }' Y' H0 u
(strcat "面积:" (rtos (/ (vla-get-Area obj) 1) 2 2) "m㎡")+ l9 Y( r2 ^6 j
))9 I( q# l1 C1 U  |
)
- I9 r4 ^5 P% s; N((= name "TEXT")9 @9 t! u8 g2 ~$ E+ E
(setq lst (list "【文字】" laynm (strcat "高度:" (rtos (vla-get-Height obj) 2 0))
# @! G4 K/ M. d% i8 U(strcat "宽度系数:" (rtos (vla-get-ScaleFactor obj) 2 1))
& u+ ]% O, I# e5 g, i(strcat "角度:" (rtos (toang (vla-get-Rotation obj) 1) 2 1) "度"): v6 K. h/ K0 b' `
(strcat "样式:" (vla-get-StyleName obj))
; `  J0 l% R" j; I! g- s4 `8 K% p4 [(strcat "对齐:" (nth (vla-get-Alignment obj) '("Left" "Center" "Right" "Aligned" "Middle" "Fit" "TopLeft" "TopCenter" "TopRight"
; X2 h% x$ Y  \1 ~"MiddleLeft" "MiddleCenter" "MiddleRight" "BottomLeft" "BottomCenter" "BottomRight")))6 U8 O. P7 _) G5 N
))
0 J# g. X8 {8 }( x& q)' T1 }, N* P7 |4 X3 C% o/ }. g8 K
((= name "TOLERANCE")/ G  j( O# R' h0 U) F
(setq lst (list "【公差】" laynm (strcat "标注样式:" (vla-get-StyleName obj))
, }$ D0 {: A) d. w" p(strcat "文字样式:" (vla-get-TextStyle obj))( M* k. v* d- C* t9 \1 y% f7 B
(strcat "文字高度:" (rtos (vla-get-TextHeight obj) 2 1))
0 @- ]3 ?- K5 R1 c& m))
9 |: e! [1 b$ U/ a)
  I6 {4 _) B, H; K0 {((= name "TRACE")  U+ s6 g$ N( Z
(setq lst (list "【宽线】" laynm))
9 `9 H) J  ^$ u; u)
9 J8 j& c" @! l. Q& \((= name "VERTEX")- I, D1 g# R/ I
(setq lst (list "【顶点】" laynm (strcat "起始宽度:" (rtos (dxf ent 40) 2 0))
% a0 ]9 s% X. H! j(strcat "结束宽度:" (rtos (dxf ent 41) 2 0))2 i; Z8 a( w: K4 k2 Y
(strcat "凸度:" (rtos (dxf ent 42) 2 1))) ]# [9 m* _  B3 z
))" n2 J6 W' G1 B( {1 P9 P
): O0 F6 I% s* g: c/ L! Z' W( J
((= name "XLINE")% K: i: ^+ {9 L( \( _5 }
(setq lst (list "【构造线】" laynm))
) {; I8 U2 o  \4 J5 F8 a)" B( k1 S$ x0 V  a0 D6 q4 ^+ Z
(T
- T- y+ w" _- l(setq lst (list "【未知对象】" laynm))
5 B7 v- J7 s  e2 i! ^. b9 K( h1 c; c)  Q, H  \: ^9 X9 @" s
)+ E4 v& I1 A( `; T
(setq ss (ssadd) h (/ (getvar "viewsize") 50))
- S( _! D5 i' L$ f1 e: @(setq ang (fx (angle (getvar "viewctr") pt)))3 J+ e/ q( {" |
(setq n (* 1.4 (1+ (/ (apply 'max (mapcar 'strlen lst)) 2.0))))8 x9 m; N! X) W) J' q4 K
(ssadd (add_solid pt (polar pt (car ang) (* n h)) (setq pt (polar pt (cadr ang) (+ h (* 1.8 h (length lst))))) (polar pt (car ang) (* n h))) ss)
! J* W- V5 i6 m7 X(setq pt (polar pt (car ang) (/ (* n h) 2)))
8 u7 I8 x  S# ]* C: \1 u(if (= (caddr ang) 0)
+ |! X+ k# ?. i' j7 ~* X; M(setq pt (polar pt (/ pi 2) (* 0.4 h)))
4 e: a" I# z7 ^# F( W(setq pt (polar pt (/ pi 2) (+ (* 1.4 h) (* 1.8 h (length lst)))))) m7 Q- N8 A2 w
)0 Z8 m$ ^4 `1 T1 x5 {
(setq n -1)
* @2 L% @2 p- c( h: |8 A8 |( y(repeat (length lst)! H0 m! D) Y4 _" U1 O
(ssadd (add_text (setq pt (polar pt (+ pi (/ pi 2)) (* 1.8 h))) h 0 (nth (setq n (1+ n)) lst) "宋体" 1) ss)  i6 N! R  S" F5 |6 V4 g6 d
)
8 H* Q( I4 r" p7 Y4 y0 h% })
4 s0 n" u9 w2 b/ l(vl-load-com)7 I7 M  h; U8 Y* K0 S- }
(command "_.undo" "_m")1 `/ K! }, X& B* Y* g; N
(prompt "\n***移动鼠标掠过对象查看信息!***")/ m" X# Y4 N3 Y0 X: E) k
(setq olderr *error* *error* myerr)
2 ~( S0 W3 r6 d  t  Q- C(setq oldos (getvar "osmode"))
; ~* h( }- |4 ]- i- g  _1 t(setq oldfill (getvar "fillmode"))
* r% M3 S9 Q$ v' m% `(setvar "osmode" 0)  w* J8 H, t0 N
(setvar "fillmode" 1)5 ^% _3 ]5 S2 v  a: F
(setvar "cmdecho" 0)! O' s' Q- [. x" P- X
(if (not (tblsearch "style" "宋体"))
3 {2 p2 c0 H$ t2 r+ W# s. }(command "_.style" "宋体" "宋体" "" "" "" "" "")
% U8 X( m& r0 F4 v); e* M7 a! G" W4 v  T
(setq ss (ssadd))
- f5 }6 i# z) }: i$ E% U+ a(while (not pd)
5 @$ K. s/ t- C- A4 N* T0 N+ i(while (not (progn
9 @" ~; l: x9 I" Z9 d(setq gr (grread T 1))
+ d' E  l) A7 b$ B" Y; ~0 W(if (= (car gr) 5)" F+ p0 t/ |) g
(setq pt (cadr gr)8 j/ x9 h4 h; }# X
ent (nentselp pt). [) w9 s3 ?0 r4 _& m
ent (if (and ent (= (type (last (last ent))) 'ename))
2 M; w! v+ n) ^(last (last ent))/ e9 e* a" G9 m1 P, \3 l7 _
(car ent)4 Y* ~# ]* G! D* H8 B( X
)8 |& h! e' e: f) n6 O
)9 ^# P6 V5 d7 f: v/ u
(setq pd T)
( N$ L- G; m, J' X)
" \3 I6 i! U7 n))
( A& J# E! |  A2 W8 g! f+ c). A1 M& ]6 b8 O9 L
(if (and (not pd) (not (equal ent entold)) (not (ssmemb ent ss))); J, H' l! L1 }0 Y& x
(progn/ T% J; g: \+ G' N
(if entold (redraw entold 4))5 b' A% ?5 w* W4 v% X& K5 V
(if ss (command "_.erase" ss ""))
) A9 b1 e. O# V# F6 c2 W(redraw ent 3)% k' o: G- e4 q$ m
(dis ent)
2 o+ ?, q* e, q(setq entold ent)
# E' ^5 W3 N9 f' c. A; r& Q) `0 M)
+ z; s# h, H% T% ~)
- v7 G# x0 c% d9 z) V), F6 V& \" {; T# I) U
(if entold (redraw entold 4))
4 K1 d7 T7 c# I" x$ s7 i% ?5 I(if ss (command "_.erase" ss ""))
. [$ ~% k4 |1 B* x(setvar "osmode" oldos)! \( S" m' T5 Q4 {; Z8 a
(setvar "fillmode" oldfill)9 O, ^% s' D+ D3 k
(setq *error* olderr)) Z1 Y9 I: {+ a* c
(princ)# w7 }; t: {* H3 d2 R
)
QQ截图未命名.jpg
发表于 2009-10-7 18:07:30 | 显示全部楼层 来自: 中国台湾
这可以得到任何种类曲线(包括LWPOLYLINE)的总长
. B2 @$ _( y; ^; X(vlax-curve-getDistAtParam obj (vlax-curve-getEndParam obj)); s* n9 s  _4 h
希望对你有帮助

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参与人数 1三维币 +5 收起 理由
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 楼主| 发表于 2009-10-9 08:10:27 | 显示全部楼层 来自: 中国广东深圳
谢谢楼上 帮助
 楼主| 发表于 2009-10-9 10:50:28 | 显示全部楼层 来自: 中国广东深圳
好像得不到椭圆的周长
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