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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 }2 G& O5 ?4 ^: E3 [3 w% Q
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$ r( t5 I8 q$ F8 B. [(defun C:abc(/ myerr dxf toang fx add_solid add_text dis olderr oldos oldfill ss pd gr pt ent entold), n8 h" y, N6 c) F
                                                  ;;输入一个实数( h2 H8 [4 ]; s# w1 I

, ^$ L( ^! [1 N( q(defun myerr(msg)2 ?; g3 Z$ \( S1 A
(setq *error* olderr)
( `3 e7 J: x* T9 E0 S0 T! I, [9 T/ Z3 t(command "_.undo" "_b")
- [- U! h; _- z9 F2 B% Y- g1 U' L+ l(princ)
2 R/ n/ V( j( T0 r) c)
( w6 I( s3 P# q* w! b2 D% r, X( @(defun dxf(ent i)
4 K! D8 \0 ?7 R3 |$ r& }5 Q(if (= (type ent) 'ename)
$ S! Y0 G8 z( n3 @5 b0 ?(setq ent (entget ent))
' ?# Q4 p' I2 V; q2 y) c)! s9 e8 h( s- o! G
(cdr (assoc i ent))
9 r! i* B/ A0 t7 R)5 @: U9 y* U% y2 @" n$ C% v
(defun toang(ang i)
& U$ k* A( j6 V; Q(if (= i 1)$ t3 N0 ?% C* ]7 q, @
(* ang (/ 180 pi))
: c- Z! A+ R; _5 I) h! e(* ang (/ pi 180))6 X1 q+ h9 V; }; Y  `, X
)& q- q* M+ H/ p, L7 R$ }& K
)
1 O. b& Z- e+ v1 s: w7 R(defun fx(ang)- T( S4 s% ~: `4 o
(cond/ i" s1 E# k" m/ w8 d: n
((>= (/ pi 2) ang 0) (list pi (+ pi (/ pi 2)) 1))
# j; P! O& t! X  X  E((>= pi ang (/ pi 2)) (list 0 (+ pi (/ pi 2)) 1))
# }$ N+ V  b  O8 T" [1 X((>= (+ pi (/ pi 2)) ang pi) (list 0 (/ pi 2) 0))
0 e5 m. f4 \4 ]3 c) t. e* t((>= (* 2 pi) ang (+ pi (/ pi 2))) (list pi (/ pi 2) 0))
# B- {; @) K8 f9 _# J' A% K)
7 N. J* o- V# W* ^)/ q+ G+ p$ B" y% \' D
(defun add_solid(p1 p2 p3 p4)
! u5 w5 C" K6 X7 S) {1 J(entmakex (list (cons 0 "SOLID") (cons 100 "AcDbEntity") (cons 62 1) (cons 100 "AcDbTrace")
/ H6 d# q3 Z! j0 n6 D( H' ]+ L5 U(cons 10 p1) (cons 11 p2) (cons 12 p3) (cons 13 p4)
. q- T% E9 k7 A! Z)
- Y# }1 V2 p( F( U* i)
; S: {3 P; Y' K6 b' {! [2 G/ m). K6 d$ c- O' l  S# N  M0 r
(defun add_text(pt h ang txt style jus)& c2 I. W. S& e
(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)* H* `2 N3 x- H) n5 [  D
(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)
7 w, |/ ^0 p7 t5 C; k0 H(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 g1 B5 K2 @: C7 L
)
1 J, [$ ?* q, H1 }. h* y)
( i4 t. T  ?0 z4 k- M, ?)9 U4 \7 a3 s, c
(defun dis(ent / obj laynm name st1 st2 st3 lst h ang n)
0 h. \. F' X# m/ L/ w(setq obj (vlax-ename->vla-object ent))
) ~: c& v6 c) G& j(setq laynm (strcat "图层:" (dxf ent 8)) name (dxf ent 0))
$ r" z# \' ?$ O  U(cond
3 s* t: g5 g* m) Y. H( L$ u+ \((= name "3DFACE")* A. b2 C# u' K3 K9 V
(setq lst (list "【三维面】" laynm))
3 c" u! H9 d, D/ [! L9 P8 I/ B)" E" g; e- i, Y+ _" H
((= name "3DSOLID")
/ V! G3 B  g; t1 k/ d; ?7 T  T(setq lst (list "【三维实体】" laynm (strcat "格式版本号:" (itoa (dxf ent 70)))))
5 x% k9 s- |/ g& R)6 j8 O$ V$ U) l% O: c1 ]
((= name "ACAD_PROXY_ENTITY")% @- z$ J9 e5 S
(setq lst (list "【代理】" laynm))6 q9 Q. q, {! D4 L& i
)  o& g$ a! F4 `) B! D
((= name "ARC")
. n) i( K& o5 x) S  T(setq lst (list "【圆弧】" laynm (strcat "半径:" (rtos (vla-get-radius obj) 2 0)); J" D2 R* m4 t0 `7 `# L0 R1 U
(strcat "圆心角:" (rtos (toang (vla-get-TotalAngle obj) 1) 2 1) "度"); f/ E" L, Z5 u# A, n6 r
(strcat "起始角:" (rtos (toang (vla-get-StartAngle obj) 1) 2 1) "度")& u( O# Y) e. K
(strcat "终止角:" (rtos (toang (vla-get-EndAngle obj) 1) 2 1) "度")  p6 J7 |( V1 i
(strcat "总弧长:" (rtos (vla-get-ArcLength obj) 2 3))
5 a1 W( k! P% n(strcat "面积:" (rtos (/ (vla-get-Area obj) 1) 2 3) "m㎡")
% I: n. n# X$ m  ?9 C5 r))  x. G: o) E" r, A9 n& p3 @& H8 `
)
# M* d; M- o: t3 ^2 H8 n! c((= name "ATTDEF")
4 T* S# ^4 S2 d& y  U/ E1 [3 j(setq lst (list "【属性定义】" laynm (strcat "标签:" (vla-get-TagString obj))
% f  D9 t* J' y3 [& f8 b3 G6 a(strcat "提示:" (vla-get-PromptString obj))0 m9 l4 k9 b/ k: \
(strcat "缺省值:" (vla-get-TextString obj))) H8 h% J1 g8 B: G, G
(strcat "高度:" (rtos (vla-get-Height obj) 2 0))
, z( }; `* v+ V5 `: {(strcat "角度:" (rtos (toang (vla-get-Rotation obj) 1) 2 1) "度")1 M6 ?" Q: c( ]# A( B  P, \! d1 x
(strcat "文字样式:" (vla-get-StyleName obj))
9 R1 P  s+ t- G7 J- U, G  z))
8 @; _* G4 W) b)
7 R% c' M0 M5 ~# c7 g$ z' N((= name "ATTRIB")
- P) M8 g& T. E& B" @(setq lst (list "【属性】" laynm (strcat "标签:" (vla-get-TagString obj))* W' h: L% G1 T) H; I
(strcat "缺省值:" (vla-get-TextString obj))
/ T* @4 g& G0 q+ }4 J(strcat "高度:" (rtos (vla-get-Height obj) 2 0))
; {, P+ D4 q  o" s! j/ a8 @( d(strcat "角度:" (rtos (toang (vla-get-Rotation obj) 1) 2 1) "度")* L4 f* g% |* \. I3 r( g
(strcat "文字样式:" (vla-get-StyleName obj))
0 d) b# w/ c2 [9 j: v- K))
9 `+ `, N9 k8 F)
" j# y* w% N( F( S4 H' M5 h((= name "BODY")  t) s5 {' z$ v
(setq lst (list "【体】" laynm (strcat "格式版本号:" (itoa (dxf ent 70)))))
! s9 F7 p! k- i)9 Z6 M9 J5 J7 Y0 U4 N$ G
((= name "CIRCLE")+ A- z8 q$ g2 [# K2 j& q( {* D
(setq lst (list "【圆】" laynm (strcat "半径:" (rtos (vla-get-radius obj) 2 0))8 X. t3 L4 v6 R
(strcat "周长:" (rtos (vla-get-Circumference obj) 2 0))' l' I) J9 ]! @8 s
(strcat "面积:" (rtos (/ (vla-get-Area obj) 1) 2 2) "m㎡")1 A4 J. M& @5 l& R9 T# [* P
))
+ q" A& v' [6 \& m)# \- |0 l3 L" W- Z; A$ m; s/ q
((= name "DIMENSION")
( \6 _. \' c/ \! T0 V+ R' p( ^(setq lst (list "【尺寸标注】" laynm (strcat "标注样式:" (vla-get-StyleName obj))" h" M3 r8 Z! e8 f  X  _! {5 r
(strcat "文字样式:" (vla-get-TextStyle obj))
& q+ S3 S: F- f% R(strcat "文字高度:" (rtos (vla-get-TextHeight obj) 2 1))
% E2 Z9 ]* c% r% e3 }7 _; G$ A! C(strcat "替带文字:" (if (= (dxf ent 1) "") "无" (dxf ent 1)))
5 z1 l' l8 _! n2 R6 R))9 h4 j7 E: U' x1 t5 N/ m
)
- ?( A( \+ b3 F( w+ r$ h4 c" U((= name "ELLIPSE")
# N% o* H/ R$ o4 L5 B$ Q(setq lst (list "【椭圆】" laynm (strcat "长轴半径:" (rtos (vla-get-MajorRadius obj) 2 0))
, U! T6 q- Y! ^. ^5 x(strcat "短轴半径:" (rtos (vla-get-MinorRadius obj) 2 0))
8 v, I4 i5 U( w2 ~6 o: w( }9 ?(strcat "起始角:" (rtos (toang (vla-get-StartAngle obj) 1) 2 1) "度")5 ^% ?- N% R9 S2 v/ S+ N" c! D2 m
(strcat "终止角:" (rtos (toang (vla-get-EndAngle obj) 1) 2 1) "度")$ Z& Z7 y3 q+ m
(strcat "面积:" (rtos (/ (vla-get-Area obj) 1) 2 2) "m㎡")
  x% c3 c# E! _, a' x))6 ?/ W/ C9 B. x, h# ]$ m
)
( F: O: D8 b* s2 N& p9 j; g((= name "HATCH")
" U$ c! g4 O. o(setq lst (list "【图案填充】" laynm (strcat "图案名称:" (vla-get-PatternName obj))
1 d6 u$ E7 B4 O# \(strcat "角度:" (rtos (toang (vla-get-PatternAngle obj) 1) 2 1))3 Q3 t& K! R: Z  B6 O& ^& J. k
(strcat "比例:" (rtos (vla-get-PatternScale obj) 2 0))& k3 `4 f' r8 J' L8 a4 c
(strcat "关联:" (if (= (vla-get-AssociativeHatch obj) :vlax-false) "关闭" "打开")): r; ~% Z) M4 O
(strcat "填充样式:" (nth (vla-get-HatchStyle obj) '("普通" "外部" "忽略")))9 p+ a/ M/ n3 y. a" H
))2 x+ ~0 C( s2 N( x) T8 D3 G
)9 T" x1 C! \2 t: E
((= name "IMAGE")
* F" O1 v7 L* S9 A; Z(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))))- `# J1 Y7 h' C
)
2 N7 ^/ L3 @. H( a* |* t((= name "INSERT")
- p5 j6 P+ e$ ^6 i# L& ^! y% d(setq lst (list "【图块】" laynm (strcat "名称:" (dxf ent 2))
' _; w; [- H6 u* o% s2 a(strcat "X比例:" (rtos (dxf ent 41) 2 1))
2 m, o- `7 R/ w  N& W! O(strcat "Y比例:" (rtos (dxf ent 42) 2 1))
4 A* J! |3 e# d: W1 g8 F(strcat "Z比例:" (rtos (dxf ent 43) 2 1)): Z' ?0 P( ~( [- q) b! J6 S  ]
(strcat "角度:" (rtos (toang (vla-get-Rotation obj) 1) 2 1) "度")7 M- T# [) F5 j; f* T4 Z- C0 R
))
. A3 E; A$ F1 L  C4 Z$ ?3 A" X# v1 r). G( d  F9 F% K" M4 m& {. R  k8 J1 _
((= name "LEADER")* S' {1 p5 h2 ^) L; `8 ^8 O+ a7 a
(setq lst (list "【引线】" laynm (strcat "标注样式:" (vla-get-StyleName obj))
" e( }5 D# w2 w8 I. w" y# d) U(strcat "引线类型:" (dxf (list (cons 0 "折线") (cons 1 "样条曲线")) (dxf ent 72)))
" ^  D& E5 ~8 e9 k) x9 X- q6 k))9 Y- m$ H0 n! a$ I# q  t
)
' H- L, j6 M- I+ q' s) ~: I((= name "LINE")9 T* O/ J% H0 U$ @5 s$ O( N
(setq lst (list "【直线】" laynm (strcat "长度:" (rtos (vla-get-length obj) 2 0))
! C" l3 ^$ X! y4 |" o# k8 P(strcat "角度:" (rtos (toang (vla-get-angle obj) 1) 2 1) "度")
# f# p) P$ V* T8 k7 j+ C. v))
2 \4 \: P" g4 C: |) y( `)
) C: m4 y! g. }((= name "LWPOLYLINE")
* Z- u4 O: q& A+ `. T! z(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"))
' Q" o2 P% L# @$ M/ z7 j+ r1 H# ~(strcat "多段线:" (if (= (vla-get-Closed obj) :vlax-false) "不闭合" "闭合"))
0 o* l1 v; P. P1 ]+ w(strcat "面积:" (rtos (/ (vla-get-Area obj) 1) 2 2) "m㎡"), @, j- a, Z+ y6 [. l
3 d0 D- P9 P; g1 T, d# D
                                                           ;;加上一个可以查闭合多段线周长的功能,显示
4 g* W+ v+ z* O                             ;;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
))5 O8 T4 I6 |" K
)( @1 }- l! ^& r8 W* \* f
((= name "MLINE")
, e& N- K1 s" t(setq lst (list "【多线】" laynm (strcat "多线样式:" (vla-get-StyleName obj))
9 b) L, ]1 z7 a7 e$ h3 ](strcat "比例因子:" (rtos (dxf ent 40) 2 1))
+ ^* d0 Y/ c2 J( k(strcat "对齐:" (nth (dxf ent 70) '("上" "零" "下")))' o& ~+ D' ~6 I7 ?& v
))
0 F6 R7 K+ ]  Y' i. Z8 n)
9 }/ X0 ]4 c9 g# u" z((= name "MTEXT"); D. [% t# A0 }& {
(setq lst (list "【多行文字】" laynm (strcat "高度:" (rtos (vla-get-Height obj) 2 0))
5 I, U" O0 Q4 y/ u1 J0 i& _(strcat "角度:" (rtos (toang (vla-get-Rotation obj) 1) 2 1) "度"); c  G1 g; l& [0 \& q3 H; h' K( q
(strcat "样式:" (vla-get-StyleName obj))
! _. L/ t; N' a0 B: Q$ M9 r% ~))
# T  E: y; J$ M4 M)
# Y, W) I  L2 E& E3 E) w((or (= name "OLEFRAME") (= name "OLE2FRAME"))3 b8 k% D$ B) K1 @" ~5 D
(setq lst (list "【OLE边框】" laynm (strcat "格式版本号:" (itoa (dxf ent 70)))))3 S, Y. x. C" E
)
  `. V, E+ U& L) ]' j% `((= name "POINT")
! T" H" f) p" N3 b# O2 U(setq lst (list "【点】" laynm))
' n- u# q/ o7 \3 ?9 ~! i) I' A$ U  `)! P# m% A7 D4 ^
((= name "POLYLINE")
9 X  v  m8 L9 d7 c- z0 P(setq lst (list "【三维多段线】" laynm))
7 ^# ~9 G$ I5 h5 }! J1 i$ \)* `! u/ z% a/ B# d) }! p
((= name "RAY")
; ~  ?' J9 C7 Z$ c1 ]8 f6 a(setq lst (list "【射线】" laynm))4 x) @/ p$ o( l! }* |( m8 e' k
)! X* V+ o5 g0 t5 j3 u$ z( _
((= name "REGION")
% `+ Y5 l1 k$ u(setq lst (list "【面域】" laynm (strcat "格式版本号:" (itoa (dxf ent 70)))))
3 T9 m, E' C4 J5 _5 |2 |)6 Q  N0 _9 g7 x( {) ^" h: e
((= name "SHAPE"); g4 X/ {) O9 @( \( J
(setq lst (list "【形】" laynm (strcat "高度:" (rtos (vla-get-Height obj) 2 0))3 x/ n% K  u7 k+ y  n* b" S* W
(strcat "宽度系数:" (rtos (vla-get-ScaleFactor obj) 2 1))
# t* _  {' I4 v# _2 u) r3 V(strcat "角度:" (rtos (toang (vla-get-Rotation obj) 1) 2 1) "度")
$ @5 ?( r6 K' {' i# r))
6 M) ^' r6 n2 a3 l)
+ D0 T4 O, X" r2 C  c7 @9 C2 I8 L((= name "SOLID")
, b3 g& r" x: l/ V$ {(setq lst (list "【实体】" laynm))
- {& E( L! Z. ]" T% p% c! [)
. Y. G* h( N/ L) r' w+ d5 _((= name "SPLINE")+ H+ b: z+ D/ j& f3 f
(setq lst (list "【样条曲线】" laynm (strcat "多段线:" (if (= (vla-get-Closed obj) :vlax-false) "不闭合" "闭合"))
2 b/ c, T8 [3 c: H" ?5 R(strcat "阶数:" (rtos (vla-get-Degree obj) 2 0))1 G. b- U& I1 ~8 h
(strcat "面积:" (rtos (/ (vla-get-Area obj) 1) 2 2) "m㎡"): X, o$ y( ^5 s  f) V  g/ p
))
. a* z/ z/ u5 D" D% T)8 y! f) w# j7 [
((= name "TEXT")9 n9 Y& |; h0 |! m; {8 G0 H' @( m
(setq lst (list "【文字】" laynm (strcat "高度:" (rtos (vla-get-Height obj) 2 0))8 H- C3 Z! E* e1 Y$ V3 T; R
(strcat "宽度系数:" (rtos (vla-get-ScaleFactor obj) 2 1))" |" V6 ?- d# k% P1 ]* W
(strcat "角度:" (rtos (toang (vla-get-Rotation obj) 1) 2 1) "度")
& ?; t9 @* R$ g' k(strcat "样式:" (vla-get-StyleName obj))
% N2 d& n9 ~! H7 t5 M(strcat "对齐:" (nth (vla-get-Alignment obj) '("Left" "Center" "Right" "Aligned" "Middle" "Fit" "TopLeft" "TopCenter" "TopRight"
! f* g6 x5 g+ V. L3 a) t0 V"MiddleLeft" "MiddleCenter" "MiddleRight" "BottomLeft" "BottomCenter" "BottomRight")))9 _. p/ m2 n' h* r4 Z
))7 e( k0 A9 k* f0 t8 S# m8 @2 ^! F
)6 c: H5 m7 B9 L$ N# T& [
((= name "TOLERANCE")3 i& K6 t7 U" h! w) D  Y
(setq lst (list "【公差】" laynm (strcat "标注样式:" (vla-get-StyleName obj))) p7 r9 m, R( e: T6 R$ S8 C
(strcat "文字样式:" (vla-get-TextStyle obj))8 y0 Q) p  @& Z. W1 h, `+ U" n8 D2 i
(strcat "文字高度:" (rtos (vla-get-TextHeight obj) 2 1))
$ E, P$ {" k5 f- O6 v- C! ~))
6 p! z- ?  s  ])0 @7 c9 v7 E# D6 D7 Q
((= name "TRACE")* B: c! I% r/ c1 q. Z
(setq lst (list "【宽线】" laynm))
, n8 K# A0 U! F) w)# G' C5 }  C1 N; [$ a7 H4 m
((= name "VERTEX")
; ^: c3 c( U' T$ Y. ]$ h3 ~% a(setq lst (list "【顶点】" laynm (strcat "起始宽度:" (rtos (dxf ent 40) 2 0))7 r6 k3 y" i7 Y. L. s# {( d# j( M
(strcat "结束宽度:" (rtos (dxf ent 41) 2 0))+ w! v4 m/ J* ]2 _% t" E
(strcat "凸度:" (rtos (dxf ent 42) 2 1))0 O& E) R$ h" ~7 W  p) O' z- N& i
))
$ |0 t/ j. F$ U3 m8 J% k)
+ E( p6 Y% y8 ^((= name "XLINE")9 |9 k- d9 T$ u! J
(setq lst (list "【构造线】" laynm)); b9 H5 O% |, h0 a  X9 a) O1 H7 \
)0 D3 q) k2 u8 n+ G0 F  Q
(T8 \, D/ u  N3 \- L9 p9 a: }
(setq lst (list "【未知对象】" laynm))
' n7 Q/ b0 T( B* u4 h& E& I1 c8 K/ i)5 `4 }' e0 ?9 L, [- U# H! ?
)
: k# e7 U; l4 h0 [(setq ss (ssadd) h (/ (getvar "viewsize") 50))
. q% G0 S" P$ r) g  ^5 H(setq ang (fx (angle (getvar "viewctr") pt)))
$ c- K, i" H2 H3 \3 p  H! ](setq n (* 1.4 (1+ (/ (apply 'max (mapcar 'strlen lst)) 2.0))))
6 R  e  Q% j5 [% v" H! H8 x(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), S- t6 P) p7 \  D9 P
(setq pt (polar pt (car ang) (/ (* n h) 2)))/ [. x/ g" b% L/ y- N
(if (= (caddr ang) 0)1 a% J" c' o: ~) Y
(setq pt (polar pt (/ pi 2) (* 0.4 h)))0 i; f' ?" ?. h) v6 O6 j
(setq pt (polar pt (/ pi 2) (+ (* 1.4 h) (* 1.8 h (length lst)))))
% R' X+ ~1 |+ ]& b; T( P)3 K* d2 g  ]: u( B6 w
(setq n -1)5 r; j$ m9 J  i0 @2 R
(repeat (length lst), _( S" S- Z0 P2 A8 R" {
(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)  d9 Q7 y2 K1 s" }0 K
)- R# m, z) G, ~: h! x: K- p# _) h
)
0 j1 ], y8 ~; \, i1 `( W+ v& N" t(vl-load-com)4 X' I: {+ h! T8 Z6 }) H
(command "_.undo" "_m")4 F0 G  g2 Z1 W2 s; h: |
(prompt "\n***移动鼠标掠过对象查看信息!***")# L  K1 @2 V  v* l( W
(setq olderr *error* *error* myerr)
% O5 ?+ B" z2 R& s2 i" w(setq oldos (getvar "osmode"))
$ B  }" [% |8 h$ P" u. ^+ a0 J1 t(setq oldfill (getvar "fillmode")); R% t8 Q+ p, y) U. ]2 {( B
(setvar "osmode" 0)8 t6 N! H! G+ p" y0 m4 k, d, D0 V$ I
(setvar "fillmode" 1)
# y! j" q  O' y8 S0 A% J1 _. f& N(setvar "cmdecho" 0)
* J) j- c  X$ l; ^. d  _; j5 c(if (not (tblsearch "style" "宋体"))2 V& Y- t8 s* M; J# Q; v" E
(command "_.style" "宋体" "宋体" "" "" "" "" "")* ]5 H9 w; @5 {2 E, u4 Z
)
5 `. I- Q! l* F* F8 @(setq ss (ssadd))4 z& |$ J! m0 T$ J- K% ]( V
(while (not pd)& F8 E; W" i' _% B# E* \7 J
(while (not (progn+ w8 _+ M0 ]; z  k6 L: }/ }" b
(setq gr (grread T 1))% i- |6 r; C% w) O% m
(if (= (car gr) 5)
  Q  y' h1 y5 K" T9 _$ l7 @! U7 ^! r8 D(setq pt (cadr gr)  ^! t, b6 Y) F+ n+ j& R4 ?$ [
ent (nentselp pt)
* o0 t  ~& s& E* Z4 p% sent (if (and ent (= (type (last (last ent))) 'ename))
9 o1 d6 c8 Z4 m# j- u* Q(last (last ent))/ b& a' T- a6 C2 j! o* y( P
(car ent). [0 S4 l- Y4 W/ P; t& v7 L
)/ ^, ~, R6 Q7 G' Q% X1 h
)
3 G! Z- Y* Q' s* A% I$ A: z$ M* x(setq pd T)
: t0 R7 P, u7 t/ x- t)7 U! W5 c4 R/ n* P% w# P: p% X2 S
))0 @# X$ q# S! d8 a; O- Z: q
)
6 f9 l) F( B) M1 ](if (and (not pd) (not (equal ent entold)) (not (ssmemb ent ss)))2 ^# S1 V& g) x4 r6 y3 ^9 v8 w
(progn. [* P& w" S- S: D7 P2 a$ n
(if entold (redraw entold 4))
  p6 o. A; b0 @' f( ]. j(if ss (command "_.erase" ss ""))
. }  Q+ M2 `* z2 F5 l+ f(redraw ent 3). p/ o. `. k6 n* y
(dis ent)
: u2 i) c6 a9 a' C' e(setq entold ent)
5 g2 `4 l9 D( Q# q3 l; Q- G)
6 r* o  B" S& @  \)& }- i% L2 s+ R6 ]" U+ n( g
)
1 F, X  g! v  w8 N7 |(if entold (redraw entold 4))3 A2 s7 ^& H/ F2 U
(if ss (command "_.erase" ss ""))
$ k6 `% v6 H8 `5 l, l, C(setvar "osmode" oldos)
( r' s4 T6 i$ L$ n(setvar "fillmode" oldfill)
! [* W/ r  F: p: }# p  d(setq *error* olderr)
3 n2 ?& W2 k" X(princ)
0 W$ e( {$ s* v2 @/ g)
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4 M$ I2 }! v, w) A& A  W1 s
(vlax-curve-getDistAtParam obj (vlax-curve-getEndParam obj))
1 }" A, l/ S4 \; \' [% g3 p0 @; {( T希望对你有帮助

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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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