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发表于 2008-7-29 18:02:40
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来自: 中国江苏镇江
VBA的我不忽悠人! 9 \( Z1 a5 {5 o; w+ v6 h" A& P/ f% `
! ?8 ^+ F$ B$ l8 g5 c# FSub LianX()
- x! {. e& B T6 a: X& FOn Error GoTo xx, c% y0 O- ]0 ?& e% c6 ^; C' t
Dim ssetObj As AcadSelectionSet
% R, t; r0 d: H _. [* P+ r Set ssetObj = CreateSelectionSet("uniteSS" % e5 m; b3 q1 f
Dim fType, fData
% z* D$ H' o+ }+ C0 O6 o4 l/ ? BuildFilter fType, fData, -4, "<or", 0, "line", 0, "LWPolyline", -4, "or>"1 N" V6 z$ o# E ] g+ m3 t
'屏选直线或多段线* l( ]4 Q* {6 e* P3 z% f& G% d. N
ssetObj.SelectOnScreen fType, fData7 s) }" y4 {, ]' { Y w
Dim i As Integer2 I6 y8 k1 m: N; S( Q$ |
If ssetObj.Count <= 1 Then
; `+ S- J. E8 s2 O9 c, ]$ P ThisDrawing.Utility.Prompt "选择的线少于两个,退出命令。"
Z1 a! `# ^: ^4 g2 F- _5 w2 m Exit Sub
. Z0 D9 C! a H8 w. `# k End If
C7 L1 G6 \- y4 g1 Q& b7 X2 ?6 x
9 u3 c. y1 b, i( b9 ~! ]6 i Dim line1 As Object
" D. A! f3 `- C* q0 E Dim line2 As Object
! x' A" x: u0 U5 n( \
# x/ g# S/ R% j. o. |1 }( u Set line1 = ssetObj(0)# T7 Q, I1 u8 D& u
Dim pd As Boolean( I( b7 C& r/ m- c5 N" Z7 ~ _
For i = 1 To ssetObj.Count
5 n _# D8 O/ Y Set line2 = ssetObj(i) }1 k( U u ?: Q7 o* J2 a! Y7 _
'连接线9 Z2 d0 \& g. t- ?
pd = unite2Line(line1, line2)- }; V- L3 G( W
'如果连接不成功,则退出命令。( J& J. Y) S" P: z! k2 P
If Not pd Then ssetObj.Delete: Exit Sub
% w U2 y2 L# _ Next! ~; y5 w% k8 _0 e3 ?/ p* j
xx:
5 U; ^0 i$ m; V7 `0 G6 Q8 w Select Case line1.ObjectName
* B8 ~0 C5 Y& B/ i8 E% k; q: R3 V Case "AcDbLine"
3 ]# K7 D6 M8 w, w* j4 m ThisDrawing.Utility.Prompt ssetObj.Count & "条线段已连接为直线.": b" L$ d# Z% {% r' ?+ x" d
Case "AcDbPolyline"6 k: _! E( ~* L/ X6 w6 T& m
ThisDrawing.Utility.Prompt ssetObj.Count & "条线段已连接为多段线."! \% w7 M* v/ n N6 ^( e
End Select
8 e2 O, U8 ~- F* n/ s ssetObj.Delete
9 N$ }& \- \ R" d& N" WEnd Sub
d6 Z3 Q6 B/ S3 }/ \4 l! S/ ^2 G) A7 ^0 I6 \8 |
Sub uniteline(). P+ F0 a g) d, T: B4 ~# Q
On Error Resume Next
: N* a& L6 M% }2 Z '取得线; e" _& U8 H& m
Dim line1 As Object5 D7 Z7 W/ I5 s0 S7 E$ @
Dim line2 As Object1 g2 a+ e/ R8 F; b' ]( h
Dim pt1, pt2, pt3, pt4, basePnt As AcadEntity
& _( J) b {& u! k; w. K Dim lpt1, lpt2 As Variant
" ?! E; j# B8 e k: h: s* m
' Q/ C5 g) ~: |9 _: K gwGetEntity line1, basePnt, "请选择第一根直线或多段线:", "AcDbLine", "AcDbPolyline"4 Z3 s2 W8 D7 u p' d0 a; j3 k7 P
If line1 Is Nothing Then f, y3 o! C. _: I
ThisDrawing.Utility.Prompt "用户取消,退出命令。"
1 T: ]8 E* w+ ?- N. i* q% k( U+ a Exit Sub
/ j7 ], l9 p4 t: i8 P0 ? End If* L4 G( A* ?" S, ^
) z4 O) V' c1 }5 l/ H* l, n) L; t
gwGetEntity line2, basePnt, "请选择第二根直线或多段线:", "AcDbLine", "AcDbPolyline"% T& K; }. ]( w
If line2 Is Nothing Then+ b- m4 X! ^1 j/ U9 w
ThisDrawing.Utility.Prompt "用户取消,退出命令。"5 G) g0 y0 r3 J/ C, l) x
Exit Sub9 n, ]2 C6 x; p# ]5 O2 z- {8 _
End If
8 j. @& e+ Y8 ]) }" x '连接线' e! F b' s1 }0 O* }5 d
unite2Line line1, line2
- ?! W: R5 \. G$ VEnd Sub+ W$ `: [: J9 z6 t
4 W! q ^- Q* X1 V! |+ A7 P3 a1 e6 e
8 K: ^/ j+ `/ L d) oFunction unite2Line(ByRef line1 As Object, ByVal line2 As Object) As Boolean
$ D- i5 P" j6 J' q" M" `0 ~) H '连接线函数,连接后的线返回到变量line1中,如果连接成功,unite2Line返回true,否则为false' j7 w4 B4 L, ^. b9 L
On Error Resume Next5 g1 W( M+ A! \. P! x: S
unite2Line = False8 v# f. G9 ?1 J3 ~4 H3 t
) z- @+ V3 d4 u" |
If line1.Handle = line2.Handle Then
v( w! V; S- }/ a6 M2 a ThisDrawing.Utility.Prompt "选择的是同一直线或多段线,退出命令。"5 G1 s( b; Y, P5 _9 b+ g* \) D- n
Exit Function0 q* W* ~2 k# o0 P/ B: N* C" L
End If
p @/ w* p# D* A( i' y
5 Q9 _0 _8 R! A- p7 J getLinePoint line1, pt1, pt2* T( V+ a3 F: S# }3 Y
getLinePoint line2, pt3, pt4
0 d* m3 T$ H4 D2 D- ^ + `; R9 O3 u6 q- C
Dim A1, A2, A3 As Double
6 B- [4 I& Y& _% C: ]7 M" F Dim maxdi As Double
9 Z! o% m3 R! I B, `2 E* g A1 = ThisDrawing.Utility.AngleFromXAxis(pt1, pt2)
# w. B' ^* O. ~" M A2 = ThisDrawing.Utility.AngleFromXAxis(pt3, pt4)
* W b( U$ Q" z7 |4 X5 B A3 = ThisDrawing.Utility.AngleFromXAxis(pt1, pt3)/ ^, L2 r" W/ e& b( ~8 ]
'判断四点是否共线5 s1 I1 Z& G( F U# |/ {+ _
If Abs(A1 - A2) < 0.0000001 And (Abs(A1 - A3) < 0.0000001 Or Abs(Abs(A1 - A3) - PI) < 0.0000001) Then/ ~9 A& t6 i2 S. k9 W1 h9 p, c( x
'取得距离最远的两个点。$ c) [1 ^7 T0 M2 A6 O& ~
maxdi = MaxDouble(GetDistance(pt1, pt2), GetDistance(pt1, pt3), GetDistance(pt1, pt4), _
6 B" \* u% o: ^7 _& q! I6 a GetDistance(pt2, pt3), GetDistance(pt2, pt4), GetDistance(pt3, pt4))
7 q& c$ ]* E8 Z) F If GetDistance(pt1, pt2) = maxdi Then lpt1 = pt1: lpt2 = pt20 s! ?, o" |/ C/ U
If GetDistance(pt1, pt3) = maxdi Then lpt1 = pt1: lpt2 = pt3
! |8 F- ]/ }8 ?1 k If GetDistance(pt1, pt4) = maxdi Then lpt1 = pt1: lpt2 = pt4- q [$ q Q/ |
If GetDistance(pt2, pt3) = maxdi Then lpt1 = pt2: lpt2 = pt3
2 F) U3 f* L- Y- B If GetDistance(pt2, pt4) = maxdi Then lpt1 = pt2: lpt2 = pt4% N5 G: I F$ @1 ^5 S
If GetDistance(pt3, pt4) = maxdi Then lpt1 = pt3: lpt2 = pt4
$ k- ?$ W8 Y* B) w3 ^4 G9 K5 Y '画直线+ _: z V1 n$ F R9 J2 i) A* W' P
Select Case line1.ObjectName( ?+ p+ W. [) t- W+ L% Q: I
Case "AcDbLine"
: \, X7 G" X8 u8 q* y line1.StartPoint = lpt1& `* c1 V8 x6 [. E& ~
line1.EndPoint = lpt2
# k: k/ d/ f" v. t- Z3 y( y line2.Delete
+ v3 F8 m! N: E4 U8 l" m unite2Line = True' P/ P+ i# W0 m: x U* f
Case "AcDbPolyline") p# ^0 y9 ?+ M }4 k; I. G% e! u8 j
Dim newPline As AcadLWPolyline( ?6 }# M6 V- U4 n" [
Set newPline = AddLWPlineSeg(lpt1, lpt2, line1.ConstantWidth)
9 v% E. O2 U( j$ n1 t newPline.Layer = line1.Layer0 i/ X+ P" Y4 w2 }: a& M
newPline.color = line1.color# b# O: f7 R7 {( v) @
newPline.Linetype = line1.Linetype
' u/ }1 o/ k+ r! F } line1.Delete9 Z7 h7 ? p* X1 I/ d
line2.Delete
/ X5 S$ i [: k+ g7 r" F% t6 r Set line1 = newPline: P$ w$ [2 M" t' \; h( C5 o. {
unite2Line = True+ [- n, Z3 f( N& n' i/ ~. p
End Select$ S% ]& K# L6 t. z' O+ N: j4 y9 I
Else: ThisDrawing.Utility.Prompt "两线不在同一直线上,退出命令."! E: r8 Q* \7 I, f
End If
2 \) l6 N. _& w" e# I8 J: r7 cEnd Function& s0 D) O# b- }+ u+ } ^4 _& f" V" j
+ k. i+ S' P( {; K R2 R: L
$ S: q5 A. N6 r# s
2 V( U+ z3 ]3 _, Z( L; F# |'以下是上述代码调用的函数?
T$ ^, F% F# `# A0 W4 L/ G$ R; U" ^1 ~! |- z4 v
- B/ n! A4 @' N+ Z1 z4 p) |'创建轻量多段线(只有两个顶点的直线多段线)
7 @9 e( b- U( e3 }% L5 @: g1 LPublic Function AddLWPlineSeg(ByVal ptSt As Variant, ByVal ptEn As Variant, Optional ByVal width As Double = 0) As AcadLWPolyline
: ?+ K% |$ h Y Dim objPline As AcadLWPolyline
& Y+ n( ~( e; Q4 [4 }3 U2 ]5 e- c Dim ptArr(0 To 3) As Double
7 H9 `6 ^) a1 q. V6 E
" D) y& g7 i: r7 H0 N1 s ptArr(0) = ptSt(0)
, l0 s4 b* j7 e, \, \$ C ptArr(1) = ptSt(1)
8 h) O5 D, H+ ~4 D ptArr(2) = ptEn(0)* |4 N% T5 J: K5 S& n' k2 [
ptArr(3) = ptEn(1)
: V) M. [, ?. N1 Z: s) B- U
) f7 G( o5 k; l; \! z' d+ |' i% E Set objPline = ThisDrawing.ModelSpace.AddLightWeightPolyline(ptArr)2 u, w2 B7 ]. U# l( H9 C
objPline.ConstantWidth = width
0 Z+ y+ C! x. }+ e! A, E) d+ d objPline.Update# e K" }- ?% p+ m, E8 H
Set AddLWPlineSeg = objPline
+ z0 R* B" M% S/ Q4 ]End Function
/ n0 x7 |. N+ W4 u8 V3 j! w/ WPublic Function getLinePoint(ent As AcadEntity, ByRef Point1 As Variant, ByRef Point2 As Variant); M/ W9 _; Z+ J/ p+ G Z) E9 Z
'本函数得到线的端点,其中point1为Y坐标较小的点
- @3 A2 `4 S9 C4 k3 ~ Dim p1(2) As Double2 Y) B+ m6 l i" ]$ x( x! @
Dim p2(2) As Double
) f; V: H7 U4 G0 t& h9 @ Dim k As Integer" c0 I9 _% K! G. k3 r& ?1 z
On Error Resume Next
/ D* _7 p0 G% s Select Case ent.ObjectName
8 t( b9 j: M7 e5 d ^0 h$ A, w Case "AcDbLine"
& u3 ^6 N# U& {8 h; g Point1 = ent.StartPoint
3 d0 x3 ^! Q) {0 y* b+ M) c* |$ J6 K Point2 = ent.EndPoint I8 N U% L% @/ g) Z6 C5 J. R
If ThisDrawing.Utility.AngleFromXAxis(Point1, Point2) >= PI Then0 D. |3 f* q$ f* o* k: o S
Point1 = ent.EndPoint" R/ Y0 H! h& [+ X4 s" J3 v
Point2 = ent.StartPoint( W. k" w" x w$ w0 {' }9 z2 I
End If
, U9 I y/ Z2 Y: [" C( s- ?8 S3 V Case "AcDbPolyline". Y j4 n7 C6 C6 o% K/ P4 [
Dim entCo As Variant
# L: L, ~+ l5 t" v# o- r' d0 Z7 E entCo = ent.Coordinates( W4 Z* X. s2 }7 Q/ m, G
k = UBound(entCo)& H" f. ?; j# ~' D+ D7 H
If k >= 3 Then
- }3 W- c7 L) D p1(0) = entCo(0): p1(1) = entCo(1)7 R; F' e! T& U+ |
p2(0) = entCo(k - 1): p2(1) = entCo(k)4 y0 w& e. @& ^; i7 C; c
If ThisDrawing.Utility.AngleFromXAxis(p1, p2) >= PI Then
7 j T# Y$ a2 O3 {$ Y p2(0) = entCo(0): p2(1) = entCo(1)
a( f; \+ d/ g" x4 C p1(0) = entCo(k - 1): p1(1) = entCo(k)) M# i) ^9 m( y, e- }
End If! g: R1 T f2 v3 T( `2 w/ p
Point1 = p1: Point2 = p2
" \+ c* P1 X# Y6 u6 W. [; s End If0 i7 R& V5 C3 M* ?! L4 {
End Select3 q; \$ n$ p; e( G0 r
End Function5 R3 F. X+ C' Z* z- l
Public Function PI() As Double
; R; I9 F0 a4 F# L( C$ n PI = Atn(1) * 4
& N1 a) y4 a" x9 eEnd Function
# h* o: Y4 n: g! h4 }/ I6 t2 YPublic Sub GetEntityEx(ent As Object, pickedPoint, Optional Prompt)- v& T6 T5 P5 z3 L+ k4 u4 n
'选择实体,直到用户取消操作1 Q$ D7 i* f# |
On Error Resume Next
' q3 m1 }$ a! [4 ZStartLoop:1 P' q& c% W% u
ThisDrawing.Utility.GetEntity ent, pt, Prompt" z4 R6 z* ?+ w6 I6 ?
If Err Then6 c0 o) W. T# j: ]- R8 s
If ThisDrawing.GetVariable("errno") = 7 Then
$ {+ F& F+ Z( n% b( ~( S1 Y4 T Err.Clear( i! x! q0 }& U+ p# B% s% c
GoTo StartLoop I Q- a1 z, `- J3 B
Else4 g7 n( i/ f# e/ s. ` X
Err.Raise vbObjectError + 5, , "用户取消操作"
6 |: Z2 C+ R3 Q$ n3 C& a End If7 a* R! ?9 t9 O B
End If
& H$ j$ h, i1 \) j* h- M- |7 MEnd Sub
1 y1 F$ j0 Q6 N8 |/ T( zPublic Sub gwGetEntity(ent As Object, pickedPoint, Prompt As String, ParamArray gType())
' p& a* d. P' H& O; [5 P0 H'选择某一类型的实体,如果选择错误则继续,按ESC退出
; d9 @" ]$ T# J; x9 x# {'gtype是实体名称,不区分大小写,可以用通配符号,如"AcDbBlockReference","acdb*text"等+ B5 l: _6 u6 w3 V; ~. d
Dim i As Integer: d3 D# V. q* ^; f
Dim pd As Boolean7 v: v5 N1 h( j( m
pd = False3 w4 K" O. J; ]( Y
Do
1 j7 X4 n# L! E6 D1 j1 v- Z GetEntityEx ent, pickedPoint, Prompt% E% r/ c( H4 j" H
% @; J! t$ N4 I @/ x
If ent Is Nothing Then6 M# c' L5 S9 }8 K1 R8 E# k! h0 C
Exit Do1 ?+ c1 k* }. n5 O
ElseIf UBound(gType) - LBound(gType) + 1 = 0 Then
: ?* @9 z! d0 z$ ~' h$ n$ ^) L Exit Do5 n, k3 A4 K- a. H. W
Else
+ h$ }8 |- C1 F& I7 P For i = LBound(gType) To UBound(gType)
. V/ s2 {- G$ s1 h8 \ If UCase(ent.ObjectName) Like UCase(gType(i)) Then
7 l. d7 J+ w) Q8 t# ` Exit Do
0 y* `8 v0 s8 n) N1 b. f' i0 i Else( F% u/ l! z$ K* s, K4 T
pd = True# I5 Y" h F- n7 G4 D9 _' v4 f% U
End If+ W! x5 D1 l2 ] W7 @
Next i
/ ?9 Z% y2 @2 W- E" ^2 i If pd Then ThisDrawing.Utility.Prompt "选择的实体不符合要求."- L! I4 s- Y& G/ q' C* R! A
End If% ]# B4 f0 p9 o, d# ^. \8 i# a
Loop9 f4 b3 z% h: _& p+ N& m9 e6 [
, y3 d7 Q. r5 W
End Sub# _; C5 k3 @2 _9 w; m) h2 I
'计算两点之间距离& x8 ]% d; [- F. J( j$ }2 q6 `2 y
Public Function GetDistance(sp As Variant, ep As Variant) As Double
- E1 O/ J' f* x0 @ Dim X As Double* S: [6 s5 c! b* n7 m
Dim y As Double
D, _" `4 J3 e3 P6 N Dim z As Double7 z4 m, B" M" ~ v
, X8 v8 u- b6 [
X = sp(0) - ep(0)
. |0 s' J7 ]3 n; D0 C/ e6 T y = sp(1) - ep(1)
) m3 c' a& `- L0 o/ i. [8 q/ W z = sp(2) - ep(2)/ L: K$ a6 a2 j0 ~! W
7 x3 G9 Y; A" _4 M
GetDistance = Sqr((X ^ 2) + (y ^ 2) + (z ^ 2))/ D* q1 D; m3 o; S3 T, p
End Function6 c1 C8 y7 t( a
'返回两个Double类型变量的最大值
7 f( l0 m; ~% i1 @( U* ~) {, m1 |, sPublic Function MaxDouble(ByVal a As Double, ParamArray b()) As Double
& I$ z ]$ T5 y) I1 m1 c7 C, ? MaxDouble = a
, S: \$ j( W; U [, w( I Dim i As Integer. ^2 w0 g. O# z* q" F; F8 R7 V
For i = LBound(b) To UBound(b)
$ J2 c8 p: k! ]; Y If b(i) > MaxDouble Then MaxDouble = b(i)% f. _! h7 g; F' z9 P3 A& {
Next i$ i0 ^0 ?3 K, [7 M3 X8 _
End Function2 {. D# a* t/ x2 ~, H" r Y7 o9 A
Public Function CreateSelectionSet(Optional ssName As String = "ss") As AcadSelectionSet1 K, B% x4 i( j. H
'返回一个空白选择集
4 ^, m4 {- H/ C! H 8 B0 E+ J# s$ c9 C: K( b3 m
Dim ss As AcadSelectionSet
9 @- ]6 T" D6 n1 x + h# W% F2 i& @/ z D. _4 a7 O) U
On Error Resume Next( j. b/ g9 X- j5 w; M
Set ss = ThisDrawing.SelectionSets(ssName)
) r# E9 m" @; B$ ^# V# @7 U If Err Then Set ss = ThisDrawing.SelectionSets.Add(ssName)
7 c+ z6 U. ]. D) l# W ss.Clear1 B( q4 R& l5 y7 t. L' m
Set CreateSelectionSet = ss
/ t9 J' p. J, g; \: CEnd Function+ P7 b( ?1 G$ E; u) Z' N. V9 t3 c; K- s8 h
Public Sub BuildFilter(typeArray, dataArray, ParamArray gCodes())
E5 n* e! {( a8 \) k% c '用数组方式填充一对变量以用作为选择集过滤器使用' u3 k2 D* z; R: @
Dim fType() As Integer, fData()
0 c# R+ X+ s% e* |* R Dim index As Long, i As Long
1 ~& K& w2 c' N! z q. ~ 8 o5 P* U8 E+ m
index = LBound(gCodes) - 17 o8 q- Y" n4 U8 u, C# G1 p- z
, X* f6 L/ x- k9 `
For i = LBound(gCodes) To UBound(gCodes) Step 2
! E. Q) A2 U% A& S index = index + 1% `$ J* @0 r5 b5 ~# P. I
ReDim Preserve fType(0 To index)% ~2 ]! {3 N8 y% M) M4 _ v
ReDim Preserve fData(0 To index)
. P& C8 G6 J" B7 g$ A4 v. I fType(index) = CInt(gCodes(i))1 V# a# T# T. g3 \5 `- w3 a/ |
fData(index) = gCodes(i + 1)! b1 j K ~% S C
Next5 ^: _; b3 h) _; Q
typeArray = fType: dataArray = fData8 ]: {* c' f* y& i" D
End Sub" m) \4 J* w5 D! F* d. k
! G# C! C t2 g2 B- H5 \3 [
[ 本帖最后由 xiaoma76 于 2008-7-29 18:10 编辑 ] |
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