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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!
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Sub LianX()
( Y: E: s3 A* b, n3 ]( aOn Error GoTo xx
: E ` R2 G, Q/ C Dim ssetObj As AcadSelectionSet
& v0 c% T# ?" [ Set ssetObj = CreateSelectionSet("uniteSS"
0 m1 }, O$ \0 I5 }8 l$ X4 M Dim fType, fData" s/ a3 x: x0 X/ H' j) ?5 ~4 x, Q1 j
BuildFilter fType, fData, -4, "<or", 0, "line", 0, "LWPolyline", -4, "or>"+ W! G$ p. u5 U8 ~' k
'屏选直线或多段线
Q3 _4 k9 N1 h% q ssetObj.SelectOnScreen fType, fData: h* ~. p+ \5 P3 K) D3 i
Dim i As Integer
! x# s& B3 P( Z, Y: C If ssetObj.Count <= 1 Then) h1 y2 R# S0 m
ThisDrawing.Utility.Prompt "选择的线少于两个,退出命令。"2 Y% F3 ~8 s1 h
Exit Sub" m5 G9 L! O! s0 i) k1 s, }8 @6 b
End If: D6 H8 [! G- ~! l9 e. L6 ?
' M! K- u7 J8 h5 F) Q Dim line1 As Object- d' ]+ y) H, ~! m! n0 D
Dim line2 As Object: v2 ^! [+ b Q: E
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Set line1 = ssetObj(0)8 i" T/ q; O8 n: k. |2 }
Dim pd As Boolean5 K* Z0 O$ o5 d& t
For i = 1 To ssetObj.Count
1 L" y- [" y' Y) x6 v7 O7 ` Set line2 = ssetObj(i)
' @- E8 J: B* H' t' ~% p3 u '连接线( ~; ^5 M' ?1 l6 [+ R9 H1 x
pd = unite2Line(line1, line2), ?: v9 d: v9 c
'如果连接不成功,则退出命令。% `6 z! B3 P8 ?$ o. ?* i
If Not pd Then ssetObj.Delete: Exit Sub
v9 A0 I0 A; o5 D' o Next; `$ u+ z% ?- S' Q; V- u _; s5 o
xx:
7 `- I2 h% i4 d- n# E) d$ d5 { Select Case line1.ObjectName
" c E; X& x/ j Case "AcDbLine"
o5 H. ?1 w2 {, A0 A; | ThisDrawing.Utility.Prompt ssetObj.Count & "条线段已连接为直线."
( E: Z% Y# i I8 q1 s1 a8 y Case "AcDbPolyline"
" n. F A; r& ?& { u4 E( \ ThisDrawing.Utility.Prompt ssetObj.Count & "条线段已连接为多段线."* }. f' i$ i5 p7 e
End Select
& @' _! U; j. ` ssetObj.Delete7 Y* } @# R/ F% G/ K
End Sub! p- u+ `' U. h- q
( W: m1 F0 C9 T* x2 ?Sub uniteline()
6 Y) C$ u8 l; u! r On Error Resume Next
, j: T6 x- r6 r '取得线% |& P" Y" S, ~: F" {
Dim line1 As Object
4 V9 Z6 O+ o" h( e Q# G' O( m$ M Dim line2 As Object; r; Z2 x9 E/ y! H& T+ _
Dim pt1, pt2, pt3, pt4, basePnt As AcadEntity$ \4 L2 C, j' Y2 G! r$ s2 ^# M
Dim lpt1, lpt2 As Variant
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' O! }& O& W9 I$ A8 a' M# y gwGetEntity line1, basePnt, "请选择第一根直线或多段线:", "AcDbLine", "AcDbPolyline"7 v- w+ `& o) h+ |! H1 d
If line1 Is Nothing Then, G7 s3 i% i* a) `; Y2 i
ThisDrawing.Utility.Prompt "用户取消,退出命令。"
% a1 N4 Q) M8 S: F* w. n5 j: B+ B Exit Sub: M& u2 H ]3 K: U# _
End If
4 Q. K% m: l% D
; I- v7 b w: V% ~ gwGetEntity line2, basePnt, "请选择第二根直线或多段线:", "AcDbLine", "AcDbPolyline"# _9 i M( d5 |' T/ |. I; Q
If line2 Is Nothing Then! @5 N' r+ B @9 l
ThisDrawing.Utility.Prompt "用户取消,退出命令。"
0 b' C: i- ]2 A Exit Sub
6 ~( a& s$ E- C; a3 ?6 a$ E4 a# K- W End If
( u% Q* _6 o- F* Y '连接线
& s" k5 ^7 g' H. [ unite2Line line1, line2
. N4 K$ e/ g+ ?; } G4 tEnd Sub
8 B s+ g" p' W. v8 K. o+ f0 Z5 m% A. |, x) ]- N! l9 |
3 ]& Q3 Y% b5 v" B/ x
Function unite2Line(ByRef line1 As Object, ByVal line2 As Object) As Boolean
R+ H% i" p; d) ^* | '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
8 U/ |& f) s4 S! H ZOn Error Resume Next1 f: @" _9 o6 p
unite2Line = False
& t' i3 Q" K' l8 j o/ W% L
# `* O- x& e4 D! y! n If line1.Handle = line2.Handle Then. F* [" E5 P7 j0 \$ C8 @
ThisDrawing.Utility.Prompt "选择的是同一直线或多段线,退出命令。": }& w1 k$ t ^
Exit Function
( Y8 K7 K8 X) t# `$ T/ G% C End If
' n0 Y8 B9 r% ]7 U3 F" I' z3 X 9 |# p) U8 |/ \# h5 |
getLinePoint line1, pt1, pt2
" L$ a! h7 X7 E m' J6 u getLinePoint line2, pt3, pt4
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Dim A1, A2, A3 As Double2 u. O$ o1 G) K0 T/ H, z1 U* T! w; O
Dim maxdi As Double
5 ^2 U/ S) S8 F; g5 Z) j A1 = ThisDrawing.Utility.AngleFromXAxis(pt1, pt2)
0 G% Q: X& s6 V* l/ N A2 = ThisDrawing.Utility.AngleFromXAxis(pt3, pt4)
7 o0 v: J1 i# r A3 = ThisDrawing.Utility.AngleFromXAxis(pt1, pt3)
5 w8 w7 | W* P8 s '判断四点是否共线* c; c6 `+ _5 j2 F) X% X
If Abs(A1 - A2) < 0.0000001 And (Abs(A1 - A3) < 0.0000001 Or Abs(Abs(A1 - A3) - PI) < 0.0000001) Then
?) P8 w- L( ?& T4 t+ P '取得距离最远的两个点。, V& _ M% h% N. W
maxdi = MaxDouble(GetDistance(pt1, pt2), GetDistance(pt1, pt3), GetDistance(pt1, pt4), _
9 `7 S% r; j" U: P5 ^/ n GetDistance(pt2, pt3), GetDistance(pt2, pt4), GetDistance(pt3, pt4))% p; p" s/ _, G' p* d* F
If GetDistance(pt1, pt2) = maxdi Then lpt1 = pt1: lpt2 = pt23 ^) Z7 U) } i+ I
If GetDistance(pt1, pt3) = maxdi Then lpt1 = pt1: lpt2 = pt3
# r6 U' |- R; h" v1 G If GetDistance(pt1, pt4) = maxdi Then lpt1 = pt1: lpt2 = pt4
, w6 d8 Q9 b7 i# V: a9 ^ If GetDistance(pt2, pt3) = maxdi Then lpt1 = pt2: lpt2 = pt3, p% j) r7 E* u6 G* \
If GetDistance(pt2, pt4) = maxdi Then lpt1 = pt2: lpt2 = pt4; J+ O+ Q1 P' V f
If GetDistance(pt3, pt4) = maxdi Then lpt1 = pt3: lpt2 = pt4
! b- O2 R/ j! {5 v1 W '画直线1 t8 f }0 y3 Q
Select Case line1.ObjectName8 ~( c6 E7 f' {
Case "AcDbLine"' F0 c6 _+ [+ }4 R' \$ \* B/ h# i
line1.StartPoint = lpt13 ~' _; z. D/ p& C1 c
line1.EndPoint = lpt2
: _/ [. ?" Y2 R, u line2.Delete- z) T+ g, T. e4 f7 `) p- E/ \3 N
unite2Line = True- g0 [" V' b8 n" F' _6 `# f: |' X, v
Case "AcDbPolyline"$ ?- U6 @* \" b0 @. n4 `
Dim newPline As AcadLWPolyline5 X0 c& O* A% U3 Z4 u! }
Set newPline = AddLWPlineSeg(lpt1, lpt2, line1.ConstantWidth)
1 [; a+ a: U, f0 {9 Y* k" ~ newPline.Layer = line1.Layer
* a) K" O/ R: ^) _" l5 G newPline.color = line1.color
% W' A& h; R" d- o8 _ newPline.Linetype = line1.Linetype
# } l* g/ h) G: V; S$ r line1.Delete
9 b! w5 {* H4 ] line2.Delete
* v$ } {) o* ]' W8 h% v( Z Set line1 = newPline
4 Z3 n* Q7 G( M unite2Line = True6 N4 i+ M: z' w+ K* G/ c
End Select
- k6 P1 C. Z4 I Else: ThisDrawing.Utility.Prompt "两线不在同一直线上,退出命令."
" m$ v5 @) ?7 O+ ], j& j1 ] End If
; T' j b# {$ ]- uEnd Function( z4 u' {8 M1 J8 u
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'以下是上述代码调用的函数?
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'创建轻量多段线(只有两个顶点的直线多段线)
) a8 N. Q( o$ _! h5 H5 g- [) y6 |Public Function AddLWPlineSeg(ByVal ptSt As Variant, ByVal ptEn As Variant, Optional ByVal width As Double = 0) As AcadLWPolyline+ I. `+ H# B3 t2 P$ e3 _4 a
Dim objPline As AcadLWPolyline. k/ ] x! g" Q5 l5 w; y; j
Dim ptArr(0 To 3) As Double$ [: u' z! E& @2 f7 Y) _3 g6 e% h9 l
2 ~, I9 U$ P4 `7 g0 [
ptArr(0) = ptSt(0)" m* J" b. _) V! ?) K* \
ptArr(1) = ptSt(1)4 o1 h% e' G1 u# X
ptArr(2) = ptEn(0)
* K- Q7 T2 J. O( k2 l ptArr(3) = ptEn(1)
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Set objPline = ThisDrawing.ModelSpace.AddLightWeightPolyline(ptArr)8 v& W2 S0 d$ N* R6 J) @; N% `
objPline.ConstantWidth = width
) }( l# K# k P- m objPline.Update
/ Y. w" M P' ]% K6 ^1 C3 n Set AddLWPlineSeg = objPline
[5 c1 Q9 x9 i( c7 m0 BEnd Function' b' U/ ~3 l) U2 z9 u/ ~
Public Function getLinePoint(ent As AcadEntity, ByRef Point1 As Variant, ByRef Point2 As Variant)
5 M! D' o% w2 f9 d: X% C '本函数得到线的端点,其中point1为Y坐标较小的点 E- Q6 `* v; Y
Dim p1(2) As Double
' V7 v1 l9 y& j6 ]2 Q' o% b) _3 E8 Q Dim p2(2) As Double
% D9 G$ h1 `: q Dim k As Integer$ c' |+ l! u' e, B$ p/ C
On Error Resume Next/ n2 W+ y2 V$ X4 N3 d; Y
Select Case ent.ObjectName- I3 A+ e% I: h) E! L
Case "AcDbLine"
: c# n5 |9 {6 b5 @ Point1 = ent.StartPoint
6 R3 k+ _7 [" ]8 L$ \! F+ N2 x' P Point2 = ent.EndPoint! C4 \" `, n- o) r# [& P, H6 J
If ThisDrawing.Utility.AngleFromXAxis(Point1, Point2) >= PI Then& p; O0 Y( u3 `# m4 G$ H3 c9 `
Point1 = ent.EndPoint
/ [# U4 L# d4 |. z* [ Point2 = ent.StartPoint- r* |0 ?! h+ ?/ p, p Y7 W( `# n1 g
End If& T! g1 m: w s* F% r$ k+ L% b+ W
Case "AcDbPolyline"* h0 U4 k8 Z0 s7 O5 t: L0 w
Dim entCo As Variant. C( [7 W6 D: B k# V. w3 Z: G: j: M. s
entCo = ent.Coordinates
) ]! g0 s" }/ W6 a" K% U' ^ k = UBound(entCo)
1 u0 y) t! {& I If k >= 3 Then( C( @. b9 }2 G' ` y+ U
p1(0) = entCo(0): p1(1) = entCo(1)
0 Q- c- I# ^6 n+ c8 _* Q p2(0) = entCo(k - 1): p2(1) = entCo(k)
1 V/ Y; N' H! e4 M, d# Z2 _ If ThisDrawing.Utility.AngleFromXAxis(p1, p2) >= PI Then0 Q0 K" m7 J4 M1 r+ t8 U
p2(0) = entCo(0): p2(1) = entCo(1)
/ S; W' m/ }! N( e. l* U6 X p1(0) = entCo(k - 1): p1(1) = entCo(k)0 m. I" t6 W* H0 e* y- ]! J
End If& b% B& r7 Q9 g( T+ c+ H
Point1 = p1: Point2 = p2+ ?$ ^& b2 s+ M) y7 A4 r/ v
End If
1 z3 Y1 B; ^5 l) u: [! X End Select
3 S& u% M0 ?& ~7 \. R) {End Function% @( f2 G% M1 P) h2 {
Public Function PI() As Double8 s$ k! C7 T: u- B" n* q0 |
PI = Atn(1) * 4
* s" v4 L% @' [9 m3 fEnd Function
: ?; n! l$ ^- R" E; O+ D% I# ^Public Sub GetEntityEx(ent As Object, pickedPoint, Optional Prompt). u$ @0 F; \1 k0 ]
'选择实体,直到用户取消操作. | w4 |4 Y) o( }, [, H
On Error Resume Next. J; G7 a E" c2 k, ]1 R' L! o
StartLoop:+ A0 P8 y8 n6 @3 q5 R
ThisDrawing.Utility.GetEntity ent, pt, Prompt x; P, }2 V8 v' A
If Err Then6 M# q% @' D) f6 B H' o
If ThisDrawing.GetVariable("errno") = 7 Then
0 G! |7 l- y ^; B! h Err.Clear7 ?/ m" H+ c4 R) g2 e1 x4 R5 H
GoTo StartLoop! R0 a: r8 Z5 m" @' `
Else
& a* y/ ^& v! Z2 E! k& g! a, c; L; f: K5 ] Err.Raise vbObjectError + 5, , "用户取消操作"
1 _( k" p3 r' W. J End If
7 ]- Y) U( [( ~1 f, J: G8 W End If
- d. j( u6 A% a: fEnd Sub
; \5 `) g3 M- d0 {2 g6 O3 CPublic Sub gwGetEntity(ent As Object, pickedPoint, Prompt As String, ParamArray gType())! W3 N" M5 Y: w
'选择某一类型的实体,如果选择错误则继续,按ESC退出
) J- a# ]+ I# x: S7 ?2 k" T$ h f'gtype是实体名称,不区分大小写,可以用通配符号,如"AcDbBlockReference","acdb*text"等6 Q; i8 j8 w# R% z, b! K/ y$ V
Dim i As Integer
: }, {+ }9 I$ j' T) S" nDim pd As Boolean3 m+ r" Q4 a8 s% B9 F- R: n7 \
pd = False
7 D) v7 {: |2 c8 r1 XDo/ ?6 e4 V1 t3 l9 x; i& v4 t
GetEntityEx ent, pickedPoint, Prompt
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If ent Is Nothing Then
4 b% [" k1 R9 D3 d Exit Do+ C5 H/ o( b6 z; }
ElseIf UBound(gType) - LBound(gType) + 1 = 0 Then
' u) l5 M! z- ^" b' f. {/ t- o6 K Exit Do& Y+ `6 w0 ^3 C( \& v/ n
Else
0 I( _" p; g, E* L For i = LBound(gType) To UBound(gType)
, F4 }# Y2 p" H, c8 Z If UCase(ent.ObjectName) Like UCase(gType(i)) Then' b" l. A) U6 O& V
Exit Do
+ {% p# X6 U* S2 j4 _' F" g' a Else
1 l- ?, h1 A( l! E2 U pd = True6 j# |1 i+ {9 H
End If
) o7 b) i+ G% I4 p7 F2 B% f) H Next i
# C- ~% x$ w+ o If pd Then ThisDrawing.Utility.Prompt "选择的实体不符合要求."' H" x3 v* g& g( }! K
End If% T( r# T* }* I/ M) x, v- @% O
Loop1 {% p1 _# ~* @( X! ~ b
0 f! d" k" P; A# L4 Q5 _End Sub) Q! |! ~/ d; E2 d) y) p0 ^
'计算两点之间距离, H6 x( y! z8 }+ G" z, R
Public Function GetDistance(sp As Variant, ep As Variant) As Double
& B# f2 q/ N" e) l% s0 R# ?$ g* N Dim X As Double! a( T1 O5 a/ o8 `$ W
Dim y As Double
6 k+ u! @3 D" e6 j: \( y' @2 } Dim z As Double
' P4 a5 |4 I g0 C t7 b1 G$ c
2 Z0 c9 A7 z+ o X = sp(0) - ep(0)- e+ X* U9 [2 H7 T0 f
y = sp(1) - ep(1)
2 R+ Z( f+ C9 f6 c5 Q z = sp(2) - ep(2)8 ^( L- W$ O0 ~, [) G6 o
7 a$ D# V1 Y) n6 ?# u+ q
GetDistance = Sqr((X ^ 2) + (y ^ 2) + (z ^ 2))
+ M$ m3 s& T7 k9 p8 a0 OEnd Function" g( T8 M) Q$ T
'返回两个Double类型变量的最大值9 u. r* P# ?; n, t
Public Function MaxDouble(ByVal a As Double, ParamArray b()) As Double8 r+ k# z& d5 S y7 v" }
MaxDouble = a+ E2 ~! T* S& @1 Q Q: C4 f
Dim i As Integer
# ?- P% K/ q- G$ y8 K# w0 @ For i = LBound(b) To UBound(b). O0 S8 K% J) `8 m3 d( S( f
If b(i) > MaxDouble Then MaxDouble = b(i)& }" c, H) {& @3 }' x8 v8 @" e
Next i0 L2 x9 I$ `* z# q6 T) O
End Function
6 J5 E' W9 E" b+ OPublic Function CreateSelectionSet(Optional ssName As String = "ss") As AcadSelectionSet( G2 M$ F2 m: f2 H9 Z" d
'返回一个空白选择集% T$ H4 M: P* |9 d9 n; P% J$ F
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Dim ss As AcadSelectionSet
9 o- g! U2 R8 j4 t& g' K" ^* b
* o m2 I `* }5 T7 @6 x$ Q/ e On Error Resume Next9 [3 i1 O+ H: v% M6 \8 v7 V( E7 q- D {
Set ss = ThisDrawing.SelectionSets(ssName), ]$ {! O9 E- d* j& Y2 Y3 W0 ?
If Err Then Set ss = ThisDrawing.SelectionSets.Add(ssName)& f: Z8 b/ F3 p' I' b6 ]. P
ss.Clear
. l8 i' S9 |9 i9 |: N% l m. c Set CreateSelectionSet = ss# ^+ b; V5 [9 V+ j7 }7 X) G! O
End Function
1 A+ u6 `. ?+ q6 |! bPublic Sub BuildFilter(typeArray, dataArray, ParamArray gCodes())
$ `* K; L- k' T '用数组方式填充一对变量以用作为选择集过滤器使用; d: l* X" M# A1 ?
Dim fType() As Integer, fData()
& c ^" u5 e% c7 t5 N2 S* l Dim index As Long, i As Long
$ c; N, L h4 H9 E3 U " o$ C5 p" D6 z8 f% {0 j& K
index = LBound(gCodes) - 1
. ]! n+ |1 t4 v. H
6 e6 t! H# c' M+ T6 d) C6 R ]0 N For i = LBound(gCodes) To UBound(gCodes) Step 2
/ G; i2 a. j+ N9 K5 f8 q index = index + 1. I# @ r6 r6 h, m2 L- c
ReDim Preserve fType(0 To index)
& c, c: t+ a! @0 L% @5 \5 S, c" u3 i ReDim Preserve fData(0 To index), _% @9 ~! b p) E
fType(index) = CInt(gCodes(i))
! q7 t: o4 H8 ^$ t0 m: v! t fData(index) = gCodes(i + 1)
% _" h/ `& x. F' W2 I- Y4 i Next. I1 n1 r: }& L9 X- G- j; u) j
typeArray = fType: dataArray = fData
0 q {- [# |8 @7 D5 n! qEnd Sub1 d/ a! d% O" f1 d, m/ t
3 w# E3 }2 j/ x: O# o
[ 本帖最后由 xiaoma76 于 2008-7-29 18:10 编辑 ] |
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