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发表于 2008-7-29 18:02:40
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显示全部楼层
来自: 中国江苏镇江
VBA的我不忽悠人! 5 |" V3 |" Z* C6 H7 m5 a
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Sub LianX()
% h0 b' D$ S2 ^+ ~; R3 `On Error GoTo xx
) V4 v) ^, T% A% n Dim ssetObj As AcadSelectionSet: U# g' ?, f. `$ ^+ a* a+ |8 O
Set ssetObj = CreateSelectionSet("uniteSS" 7 {1 q0 J6 Y, k/ l8 d0 m
Dim fType, fData* M$ T- r' o& [
BuildFilter fType, fData, -4, "<or", 0, "line", 0, "LWPolyline", -4, "or>"( K, N9 S9 {2 j4 F+ l$ z" J; F
'屏选直线或多段线
$ Q1 E; L3 ?- N! H1 \0 C ssetObj.SelectOnScreen fType, fData
/ |! ?% u+ O p* V) w& N( }. j Dim i As Integer
! m! G- q3 Y6 o; i0 T; F5 l If ssetObj.Count <= 1 Then$ P7 y: y5 V1 T
ThisDrawing.Utility.Prompt "选择的线少于两个,退出命令。"
6 ^& d( f- s% p/ D: E Exit Sub* x0 \& Z9 Q$ Z5 i; p! \7 \
End If$ h: h( x% l; \- z1 E
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Dim line1 As Object+ k. {0 M5 @% N3 J
Dim line2 As Object, Y; o) X9 ]+ T) u
m& W9 [) ?: e$ Q. ? Set line1 = ssetObj(0)9 X" j+ f7 _! C w: i2 C" q' o
Dim pd As Boolean
( ~9 g2 u, z2 q9 X! N+ ^ For i = 1 To ssetObj.Count/ {3 T6 E1 p% V6 D. V
Set line2 = ssetObj(i). ?" R+ p/ w5 U1 r9 m6 n
'连接线4 f3 E* e( Z' f7 B% Q
pd = unite2Line(line1, line2) u7 U. d0 x" c, F2 v
'如果连接不成功,则退出命令。2 {& C+ Q, i) X U
If Not pd Then ssetObj.Delete: Exit Sub
; @: }; Q+ T9 x1 D, c Next
1 p: S% K9 ~0 m" {/ fxx:: V0 b$ c5 w: Y7 j U$ J
Select Case line1.ObjectName
: N2 d) X6 g; K0 z* L Case "AcDbLine"# C; k4 d; U/ Q8 j4 ~$ w
ThisDrawing.Utility.Prompt ssetObj.Count & "条线段已连接为直线."
3 q5 v" Y$ t4 p" o' X/ E Case "AcDbPolyline", P7 k% ^% A* t C4 m
ThisDrawing.Utility.Prompt ssetObj.Count & "条线段已连接为多段线."8 S0 r. u. j4 J& W1 \" z r% a# e- M( |4 ^
End Select; E2 p6 e+ T# Z0 K0 U, y
ssetObj.Delete
' _) @2 K) O2 ^# m" yEnd Sub
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Sub uniteline()$ o. C( v9 l9 @' ^7 _, l& B
On Error Resume Next0 S% a: L/ i/ {9 j0 i
'取得线
3 K" @: |4 q! \' x, S& { Dim line1 As Object6 a! f' x0 z( g, g8 p: l& k
Dim line2 As Object
/ V3 v3 |* `* N Dim pt1, pt2, pt3, pt4, basePnt As AcadEntity; Y8 k( t0 \ o! t5 d
Dim lpt1, lpt2 As Variant! C" s/ C! O# ]+ _4 m6 I0 m* u
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gwGetEntity line1, basePnt, "请选择第一根直线或多段线:", "AcDbLine", "AcDbPolyline"
! V% {4 |4 H: u v# E2 w! N If line1 Is Nothing Then
& s' l& _7 h5 U- p$ b& @0 h, x ThisDrawing.Utility.Prompt "用户取消,退出命令。"
& u3 `8 S/ u4 R2 o! ]8 v Exit Sub3 F, v/ i1 d1 x& }) j
End If& W: N. \: Y+ E
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gwGetEntity line2, basePnt, "请选择第二根直线或多段线:", "AcDbLine", "AcDbPolyline"+ U: Q( U/ t& _0 E
If line2 Is Nothing Then# r& l5 b! t" X, Q# T/ c
ThisDrawing.Utility.Prompt "用户取消,退出命令。"
7 p/ m5 c$ Y% R" ?' b# E Exit Sub( D2 K0 U0 G2 y. G+ I4 R
End If9 B# @, x" p$ M( P! w! G
'连接线
. l8 ]* |; U1 S" V0 v" y unite2Line line1, line2
E0 r2 M/ S- R3 I* o0 LEnd Sub; X. b9 s7 s" d6 i. V" |0 [! J
: h; c( m) ]- o0 `: n# S6 ?
9 i; B, H% W& }; ?+ rFunction unite2Line(ByRef line1 As Object, ByVal line2 As Object) As Boolean4 Q; @; B6 y1 I! u P; }* k
'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
0 ~2 K% B3 l* F V, GOn Error Resume Next
% S5 _6 B/ ^8 F( A' j unite2Line = False
. l8 a5 `7 k! B
7 w6 } @ \1 C. u If line1.Handle = line2.Handle Then6 N0 Q4 u; V" C! p/ [
ThisDrawing.Utility.Prompt "选择的是同一直线或多段线,退出命令。": e, c- ?: Y' R& f) W0 Y/ p; \
Exit Function
1 t8 W0 ~/ v: o1 X8 l End If& K6 U/ s& S5 I- L
" R/ S8 p8 [5 t2 E q' {2 a getLinePoint line1, pt1, pt2
8 m- H/ w; _" u getLinePoint line2, pt3, pt4
; k: ^ p9 b; _' {" x
1 M3 i I5 Y! f$ K% Q! @. W Dim A1, A2, A3 As Double0 G+ t; g7 F; Y
Dim maxdi As Double
. L. I* Z+ {4 k, j( | A1 = ThisDrawing.Utility.AngleFromXAxis(pt1, pt2)
& t5 D/ g+ o0 X, e( z" l* @ A2 = ThisDrawing.Utility.AngleFromXAxis(pt3, pt4)
* i; M/ L% d3 T. x A3 = ThisDrawing.Utility.AngleFromXAxis(pt1, pt3). A: u+ q) M9 k5 r- F
'判断四点是否共线- `. y3 ]8 w6 d; N4 G) k9 ?8 y
If Abs(A1 - A2) < 0.0000001 And (Abs(A1 - A3) < 0.0000001 Or Abs(Abs(A1 - A3) - PI) < 0.0000001) Then
1 N1 r6 R2 h8 T* `# z j' T) r '取得距离最远的两个点。- |9 R5 s- J: k& a9 ~
maxdi = MaxDouble(GetDistance(pt1, pt2), GetDistance(pt1, pt3), GetDistance(pt1, pt4), _
9 j! v) U2 y0 Y7 k2 I) P GetDistance(pt2, pt3), GetDistance(pt2, pt4), GetDistance(pt3, pt4)), z# r7 |) v( M& |+ i
If GetDistance(pt1, pt2) = maxdi Then lpt1 = pt1: lpt2 = pt2$ f6 }7 h6 x- l0 ^
If GetDistance(pt1, pt3) = maxdi Then lpt1 = pt1: lpt2 = pt3 x6 P9 S1 A, A- L' Z* v
If GetDistance(pt1, pt4) = maxdi Then lpt1 = pt1: lpt2 = pt4
* V, M6 [ R- F2 M' h- w If GetDistance(pt2, pt3) = maxdi Then lpt1 = pt2: lpt2 = pt3$ C- b' F2 J0 I1 R, U
If GetDistance(pt2, pt4) = maxdi Then lpt1 = pt2: lpt2 = pt4
K3 l6 i* I" s: W If GetDistance(pt3, pt4) = maxdi Then lpt1 = pt3: lpt2 = pt4
! O% ~& J0 {1 u$ j) y6 ^ '画直线: ^. [% l/ f& E/ I9 y6 H7 {+ ]
Select Case line1.ObjectName2 X: E& N3 V# t: f: R9 w5 M/ p
Case "AcDbLine"
. b% s/ C3 p, @6 D7 A line1.StartPoint = lpt1- b' ^" T9 l/ \6 z* E$ ]
line1.EndPoint = lpt2
, l0 ]9 o) E9 }2 O7 E4 ?7 U! V line2.Delete
" L5 T5 g& |) R& C unite2Line = True
6 K. F& E2 ?7 J! `1 V' p Case "AcDbPolyline"
' p0 D* U6 z4 f* D& t8 C+ j Dim newPline As AcadLWPolyline, _% a8 B, j" ^& J* p8 t
Set newPline = AddLWPlineSeg(lpt1, lpt2, line1.ConstantWidth)4 F7 x7 {) l' C3 w; a v" z4 M
newPline.Layer = line1.Layer
+ g& h8 D! P8 [1 r3 J newPline.color = line1.color
7 x9 D0 v7 Q% L newPline.Linetype = line1.Linetype
% Z9 t# V5 s$ [ line1.Delete
/ v5 x; j& }* u& G6 I line2.Delete
6 S; F$ |2 y, T! }- J6 D/ k Set line1 = newPline
n* \- X+ ~: j( |8 T unite2Line = True& l, Z9 H6 e8 W
End Select
5 e/ c- o3 @, y$ G. ~, ]* \ Else: ThisDrawing.Utility.Prompt "两线不在同一直线上,退出命令."
% P6 I$ w" I+ X. H- N End If, \. v0 r- q: T* k- q
End Function# a& }, e0 m7 @1 V3 }' ^! _
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& g$ w/ P* z1 f" M'以下是上述代码调用的函数?
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7 W! D* r A/ S3 a& ] f'创建轻量多段线(只有两个顶点的直线多段线)
4 t2 q6 ]* L' J! [/ X8 r% |Public Function AddLWPlineSeg(ByVal ptSt As Variant, ByVal ptEn As Variant, Optional ByVal width As Double = 0) As AcadLWPolyline; w8 Y. p2 }" c; H- ]9 }
Dim objPline As AcadLWPolyline( Y2 S! v$ Y [5 A( f H' Y
Dim ptArr(0 To 3) As Double
$ y. l- s8 h+ C" M# x# w0 P
* m- D3 U6 F# p' g ptArr(0) = ptSt(0)$ U# X4 ?3 m% l& q0 o% O9 y1 s7 H
ptArr(1) = ptSt(1)
& ?: M% F0 \) a/ u. B% h7 T/ b ptArr(2) = ptEn(0)
/ H- I7 P8 S+ ` w; q0 o2 `: Q ptArr(3) = ptEn(1)
* \. F9 O, p! e5 w5 b
5 C+ i& m" z. A# E0 Q9 k& P% c# q Set objPline = ThisDrawing.ModelSpace.AddLightWeightPolyline(ptArr)
: @' A) l. a+ }# D0 c% u objPline.ConstantWidth = width
5 H6 q1 Q# t& h4 [5 C objPline.Update
/ }& g5 {3 q O7 g6 _ Set AddLWPlineSeg = objPline
8 W# k: l6 P: Y; }$ G5 `End Function
* Z: t% y; n% x* J8 j' WPublic Function getLinePoint(ent As AcadEntity, ByRef Point1 As Variant, ByRef Point2 As Variant)) @3 a+ \- S$ Y5 w+ d3 m
'本函数得到线的端点,其中point1为Y坐标较小的点
$ T, Z, A' { y/ t( v. T Dim p1(2) As Double
W3 D+ B7 H* c" v0 X Dim p2(2) As Double
1 ]$ X. P" O9 I3 v* i4 V Dim k As Integer5 S2 C: W# T* J
On Error Resume Next1 x" K7 V: ~# Z! O- |
Select Case ent.ObjectName% Y/ v$ Y6 f' @) b% \
Case "AcDbLine"* i1 |, U& v; a+ b
Point1 = ent.StartPoint/ M) W/ S F! Q# R' w
Point2 = ent.EndPoint& E8 a- e: N% n1 H
If ThisDrawing.Utility.AngleFromXAxis(Point1, Point2) >= PI Then3 N$ y8 m6 f: U, z& n
Point1 = ent.EndPoint, S8 D6 x1 R+ k8 v: X4 n7 w1 E
Point2 = ent.StartPoint
: Z0 X+ ` ? l End If
" K" w0 J6 l: S8 v B; Q! f; O Case "AcDbPolyline"% U8 `, _% ?% d! F# S
Dim entCo As Variant
g! } Z) P' I1 D9 r( F2 x entCo = ent.Coordinates/ I E5 K3 I( C' [7 a
k = UBound(entCo)5 G5 c' K% s% h' t% ]4 [
If k >= 3 Then1 L* [% X# N9 G# x3 l/ r. |3 d
p1(0) = entCo(0): p1(1) = entCo(1)9 d$ ^" G" e7 g q$ ?! V- u
p2(0) = entCo(k - 1): p2(1) = entCo(k)3 U, B0 ~- J/ S% @- K7 a" L, E
If ThisDrawing.Utility.AngleFromXAxis(p1, p2) >= PI Then
" n. M5 N) Q3 B4 D9 `5 N1 g. f& u1 D p2(0) = entCo(0): p2(1) = entCo(1)
( b# m* G8 }% }9 m5 p p1(0) = entCo(k - 1): p1(1) = entCo(k)
+ o7 w0 W# b& ` End If
; H: L, X2 n2 J' y' Z% f Point1 = p1: Point2 = p23 [& u0 h7 J& }/ Y
End If/ R L1 O8 T/ C" _' ^
End Select
, I+ U5 J. E4 z) fEnd Function: T0 Z7 D2 D2 j9 n: [; u2 {" g( R8 X6 ?
Public Function PI() As Double
0 I j% [: A' u8 }7 i PI = Atn(1) * 4
7 _6 H# u! K' {# fEnd Function
- ^" w, T) F& B# E$ }Public Sub GetEntityEx(ent As Object, pickedPoint, Optional Prompt)
; p: H' u7 A" }* O- c '选择实体,直到用户取消操作. t% I/ y; t& k) v
On Error Resume Next
& h9 \$ V, n7 w& W! N4 w( fStartLoop:3 u# k6 p& @ c) C g* s! m
ThisDrawing.Utility.GetEntity ent, pt, Prompt
# ?& P2 T# T. e- p If Err Then1 I: l" S( f) A
If ThisDrawing.GetVariable("errno") = 7 Then
a; U8 Y5 S' t Err.Clear, X6 `0 |1 N; |
GoTo StartLoop
' P' B& [$ L* x# o Else
! v4 U# E/ J+ x9 ^ Err.Raise vbObjectError + 5, , "用户取消操作". o: A c; @5 r
End If6 X) Z# ^* o* G( [) R# Z" f; o+ O4 g7 @
End If
9 `) c% C7 T, a- l& T5 X! i7 ?2 YEnd Sub
- ~# Q0 K. d/ p9 sPublic Sub gwGetEntity(ent As Object, pickedPoint, Prompt As String, ParamArray gType())! [/ B; m/ i3 `- r, O
'选择某一类型的实体,如果选择错误则继续,按ESC退出( D5 z- d6 \4 e+ @- u4 @
'gtype是实体名称,不区分大小写,可以用通配符号,如"AcDbBlockReference","acdb*text"等
! v/ m5 g6 W+ z5 VDim i As Integer3 e9 X5 |0 }" D& B+ u
Dim pd As Boolean7 B* w4 O) y/ X: ?) p( n- Y
pd = False4 ]8 m; r3 [ u- E6 I4 {
Do
; W$ T7 C. Y: i GetEntityEx ent, pickedPoint, Prompt: @6 L6 y2 @& L' v2 V% T+ U0 @3 O
/ p; @3 i' d4 ~7 H6 } If ent Is Nothing Then9 M" S/ G: p; w9 Q, ^3 P
Exit Do
1 s, k+ s+ |4 ]# t ElseIf UBound(gType) - LBound(gType) + 1 = 0 Then
3 Y& Y& o( S& I9 t0 X; _0 V Exit Do
. P8 l; R9 B9 [7 R0 k4 u& I Else, Z' `2 x- k5 c/ j5 P
For i = LBound(gType) To UBound(gType)
$ ? x& R$ B z& V If UCase(ent.ObjectName) Like UCase(gType(i)) Then$ g5 E& u% Y2 ?
Exit Do
" C+ j! D; c8 ? Else
% J/ {8 f* K3 F& z7 ]4 n( p pd = True
2 v6 F% E- z2 j, C7 c5 \ End If
5 j5 B) p; n" d$ F5 B* I' d Next i
+ W. X# z* C% f' T4 H% { If pd Then ThisDrawing.Utility.Prompt "选择的实体不符合要求."
3 k/ o7 |# s' X) {6 `! I End If
4 ^8 ~1 V, B2 I/ mLoop
4 p" E0 _8 v; ^" L
6 p1 [" @1 `2 l; D7 n% rEnd Sub5 z- I2 b$ ^3 T6 Z4 h
'计算两点之间距离! _: h3 s; A( d+ ~7 y
Public Function GetDistance(sp As Variant, ep As Variant) As Double
: B, j7 B4 t5 x) t Dim X As Double& Z' ^: Q& H' n9 v$ A1 n
Dim y As Double) M7 V: ~& u9 [4 ?( i
Dim z As Double. h3 x# K8 k. W0 ?
/ x5 L$ e# g2 j8 H3 d X = sp(0) - ep(0)+ [" u- s) {5 v k/ ~' z7 X0 f
y = sp(1) - ep(1)4 z8 O/ O0 C: x6 U
z = sp(2) - ep(2)
: w: z. J: ~$ S: a) \% S2 \ # ~: |) w' e% l1 F
GetDistance = Sqr((X ^ 2) + (y ^ 2) + (z ^ 2))
9 m) V: u; T, B" t9 J! a, W3 eEnd Function G1 X! r5 x N: Q
'返回两个Double类型变量的最大值
0 f) T+ M1 `$ m# G8 ~* ^2 n* `" O3 b6 YPublic Function MaxDouble(ByVal a As Double, ParamArray b()) As Double l0 i7 a2 @$ d& k/ L
MaxDouble = a" e7 C S& M0 D) Z' X
Dim i As Integer% f2 K8 W$ T6 ^
For i = LBound(b) To UBound(b)( S4 A* c9 E/ X4 f
If b(i) > MaxDouble Then MaxDouble = b(i), s! {+ k+ q, b' s t
Next i
3 u, p& `; X+ T' v! ?9 XEnd Function6 @& \ J( w# N% V# r- y Y8 T
Public Function CreateSelectionSet(Optional ssName As String = "ss") As AcadSelectionSet- B' `+ Z) ], \+ N; y- P
'返回一个空白选择集
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Dim ss As AcadSelectionSet
9 _% Q( P' m# ]0 Y. m3 Z( O
, c% j1 D' ^- f3 O On Error Resume Next
v( R6 ?* }4 x% `/ B8 g. L6 J Set ss = ThisDrawing.SelectionSets(ssName)% D% `" }0 {) Q: ^9 T, d% Y
If Err Then Set ss = ThisDrawing.SelectionSets.Add(ssName)
) V# x; f8 `5 m! E6 a ss.Clear
& F+ c* h$ k* q) l0 A! ^3 G5 M Set CreateSelectionSet = ss( X/ F! F. i$ O& ], L9 j+ [
End Function0 L# U2 f/ M$ P
Public Sub BuildFilter(typeArray, dataArray, ParamArray gCodes())" y1 t! @1 w; X0 q
'用数组方式填充一对变量以用作为选择集过滤器使用5 j2 E8 I6 j$ f
Dim fType() As Integer, fData()3 J$ ~1 z6 X9 D7 \: E3 @
Dim index As Long, i As Long
2 d" F8 r) E5 W- O0 N) c# J * P: v0 K' _/ t
index = LBound(gCodes) - 1
5 l* B- `3 o& l" s& O3 s- P% a+ h
9 @7 [; a+ ?+ f$ M$ B. o For i = LBound(gCodes) To UBound(gCodes) Step 2: h6 _% T" @+ a+ S
index = index + 1
* S, ~, C4 r0 ?/ U7 u/ q: \ ReDim Preserve fType(0 To index)
, k8 |, J4 |( e ReDim Preserve fData(0 To index)' e9 A6 g& O, V/ N' p$ n
fType(index) = CInt(gCodes(i))
, M- y* C$ p5 u" @ o* P fData(index) = gCodes(i + 1): S6 n$ J& Y% ~1 U' z8 o8 W
Next
0 s4 ]6 H. A8 D6 e% E t typeArray = fType: dataArray = fData0 c; i. M. Y: Q
End Sub
/ Y j. r7 a% L J8 ?4 z% s5 G, T5 Q7 X1 G+ F" ?
[ 本帖最后由 xiaoma76 于 2008-7-29 18:10 编辑 ] |
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