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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! # o) B+ t$ Z6 q6 d8 Q. S( ` }% G
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Sub LianX()
& E, H+ x3 t: T7 J$ o0 ]- v1 AOn Error GoTo xx
* b1 R0 s# R- ~8 b+ N$ ^ Dim ssetObj As AcadSelectionSet9 ^5 o7 P2 e4 ^' @2 W/ r! L9 E
Set ssetObj = CreateSelectionSet("uniteSS"
3 Z2 K( {+ B7 \1 K8 W1 D Dim fType, fData
j* T' _% I1 S; U) G4 B; Q BuildFilter fType, fData, -4, "<or", 0, "line", 0, "LWPolyline", -4, "or>"
3 f$ m. W; G: V8 b% p '屏选直线或多段线; P: Y) q3 h+ K4 h4 t! v
ssetObj.SelectOnScreen fType, fData3 v" u$ h2 Z' \' K5 e6 z
Dim i As Integer w/ z8 @# I4 a, r; O w0 J. w
If ssetObj.Count <= 1 Then
9 e0 h/ z, Q( L6 P# A ThisDrawing.Utility.Prompt "选择的线少于两个,退出命令。"3 }2 d& G$ Y( B0 \1 ^
Exit Sub: x1 Q3 _8 C6 T. ?9 u: k
End If* s; D" [3 K+ k7 X# S4 I! e8 a+ e" Z
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Dim line1 As Object
( F. C; V* q! b3 A N- M Dim line2 As Object' c* T0 u2 `: |+ e
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Set line1 = ssetObj(0)3 _6 m( P- C& J
Dim pd As Boolean
. q; B( L' R" d! P! a For i = 1 To ssetObj.Count
# y/ y1 o& `+ Z$ F) B& o Set line2 = ssetObj(i) t5 D1 t( ]/ }' Z+ d, q* U: W
'连接线' v4 @- @4 _* {3 y* _& L
pd = unite2Line(line1, line2)$ C& t% J$ e+ D3 R+ [. m3 N: j0 c. z
'如果连接不成功,则退出命令。8 G% q* V& ?( J# r$ L* C6 q
If Not pd Then ssetObj.Delete: Exit Sub& _' r& n, }) ]0 F6 k5 x
Next- k1 Z9 v( x+ c- _8 U# Y
xx:( Q" b* Q/ S9 w! d1 u
Select Case line1.ObjectName; J4 R) L8 z7 C0 U8 I, ~
Case "AcDbLine"
1 M: [. Z& R+ p% A, M2 v ThisDrawing.Utility.Prompt ssetObj.Count & "条线段已连接为直线."
) Y% m4 o* a3 M7 b: F$ h Case "AcDbPolyline"
- ^. i2 H# ], I) Z' B& A ThisDrawing.Utility.Prompt ssetObj.Count & "条线段已连接为多段线."0 J- c" p2 F7 A1 k3 o% R/ _
End Select2 E- n/ L0 C+ f' u8 h7 t# z
ssetObj.Delete
7 @! e2 [- x( T( hEnd Sub. q. A3 a9 i7 x0 S( v
/ H! h4 W( }$ [+ fSub uniteline()5 v3 Q/ Q2 W; U- p0 J0 Q# k( w
On Error Resume Next& K% F0 c0 o: |6 N0 a
'取得线
* z; [0 u- [3 b V8 \5 Z* x Dim line1 As Object
, ^$ o, e6 @$ y' Y7 P y* v/ [! s Dim line2 As Object
- D, J8 e' K0 o8 s Dim pt1, pt2, pt3, pt4, basePnt As AcadEntity
- e8 A! ~! A0 c; B ?: R Dim lpt1, lpt2 As Variant) S" M& }" C4 q+ }' D4 p! b* I
2 c6 w3 V, A0 X" L) l- H+ s gwGetEntity line1, basePnt, "请选择第一根直线或多段线:", "AcDbLine", "AcDbPolyline") T# X0 G2 o) q) e" l! d$ x
If line1 Is Nothing Then& B4 _5 b- P1 y7 E5 N2 a! q
ThisDrawing.Utility.Prompt "用户取消,退出命令。"5 H* t7 ]6 w7 f8 y
Exit Sub
; m& ?+ B6 {% E+ W End If
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gwGetEntity line2, basePnt, "请选择第二根直线或多段线:", "AcDbLine", "AcDbPolyline"" v& F p2 X# P3 {, J8 Y
If line2 Is Nothing Then
h' S; j4 S- ]: x6 y" W+ Z ThisDrawing.Utility.Prompt "用户取消,退出命令。"
7 c4 A' {0 u4 q( t* C8 l- _2 U6 [ Exit Sub7 B' N1 Q# j4 W
End If# K1 M. ~2 E3 l# o# D! I
'连接线
; c7 r1 z/ E, J unite2Line line1, line2' d- G! Q5 ?/ Z ?( [2 ]
End Sub- @" @% B) f5 ?7 s
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7 ?4 F' q/ P! q7 O" ?6 E( NFunction unite2Line(ByRef line1 As Object, ByVal line2 As Object) As Boolean! _$ D, ~6 L3 ?9 E
'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, M, P a4 m% X3 g5 l
On Error Resume Next4 \2 ^. a e( ?3 ]+ `/ ~+ F
unite2Line = False5 o7 a5 `! Z* t8 _
$ E& w, D* o1 x6 N% R& ? If line1.Handle = line2.Handle Then
( \# b* {* t$ |, E. L! W& _# j0 A& | ThisDrawing.Utility.Prompt "选择的是同一直线或多段线,退出命令。"; _# X" w2 U1 H/ X' G) l5 I
Exit Function
+ y) v* J. c4 ^4 G5 G9 i End If6 |- {) g& n% G8 _" F4 c
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getLinePoint line1, pt1, pt27 f* x& q6 K( {8 L
getLinePoint line2, pt3, pt42 \1 o' {/ s2 ?# l
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Dim A1, A2, A3 As Double6 N' a# w% g" s8 _4 \
Dim maxdi As Double
+ _7 S8 [. x8 @: Q9 ~- C. {* p A1 = ThisDrawing.Utility.AngleFromXAxis(pt1, pt2)
5 I% D) u8 V& I* e: ?! P A2 = ThisDrawing.Utility.AngleFromXAxis(pt3, pt4): D# s' j4 ~! O: j4 Z
A3 = ThisDrawing.Utility.AngleFromXAxis(pt1, pt3)) {" S- `0 k: ]) l& Y) L
'判断四点是否共线& }( l7 h$ s( S: E G1 J
If Abs(A1 - A2) < 0.0000001 And (Abs(A1 - A3) < 0.0000001 Or Abs(Abs(A1 - A3) - PI) < 0.0000001) Then
* T! U6 p L$ Q1 _; c '取得距离最远的两个点。
+ k# c# a: B( T+ y1 h8 o- b2 x! |. j maxdi = MaxDouble(GetDistance(pt1, pt2), GetDistance(pt1, pt3), GetDistance(pt1, pt4), _
8 B" ]7 i* }7 h; H0 F GetDistance(pt2, pt3), GetDistance(pt2, pt4), GetDistance(pt3, pt4))
; A3 r- D( n" r" M1 d0 \ If GetDistance(pt1, pt2) = maxdi Then lpt1 = pt1: lpt2 = pt2) F" f/ R# |8 S e3 ~* e
If GetDistance(pt1, pt3) = maxdi Then lpt1 = pt1: lpt2 = pt3
5 u1 D% s- h# S If GetDistance(pt1, pt4) = maxdi Then lpt1 = pt1: lpt2 = pt4
! W! b7 ?3 q/ R If GetDistance(pt2, pt3) = maxdi Then lpt1 = pt2: lpt2 = pt30 ~$ V7 z8 R! u. ~$ V3 X; q8 M
If GetDistance(pt2, pt4) = maxdi Then lpt1 = pt2: lpt2 = pt45 o% a/ S, l; g7 Y! L$ E
If GetDistance(pt3, pt4) = maxdi Then lpt1 = pt3: lpt2 = pt4
; E7 c$ Q+ P2 j7 Y* r7 g) ` '画直线. n# V$ `) D% M5 ~) S
Select Case line1.ObjectName
9 c N' g2 p. _$ Y, Z Case "AcDbLine"
6 @1 a* {' ^. ?1 Z. D! Y* F1 y line1.StartPoint = lpt1
( i3 X' j ~( g: n line1.EndPoint = lpt2& n, K+ X7 N6 I# }
line2.Delete
# A% I! f$ L& r unite2Line = True! z5 C4 ?" g( ^. h3 d$ r
Case "AcDbPolyline"
* Q4 c$ A) s2 l" j- ] e; H5 e4 U Dim newPline As AcadLWPolyline8 \7 q4 ~8 e8 O4 M2 d9 j
Set newPline = AddLWPlineSeg(lpt1, lpt2, line1.ConstantWidth)" W1 A- e8 ~5 ~: y
newPline.Layer = line1.Layer. L4 F/ g1 V3 i
newPline.color = line1.color7 A6 W, I5 e. g' T# s
newPline.Linetype = line1.Linetype3 P+ i, p! u8 i3 ? ]0 k
line1.Delete
& ]+ y6 u9 S( @ line2.Delete
2 n$ ^ _, M. |2 p! E Set line1 = newPline! i) J* E" X1 ]! B0 u( [
unite2Line = True& u |9 o- ^$ B; f
End Select
- V" r4 r% e( p& E Else: ThisDrawing.Utility.Prompt "两线不在同一直线上,退出命令."1 b+ |* t) v( p6 z
End If- N4 L- O1 _' h7 w! U- B; D
End Function
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'以下是上述代码调用的函数?& u( Q9 v1 I" ^3 ]* E* ~
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$ \0 ^, a+ l! N0 U& u* p'创建轻量多段线(只有两个顶点的直线多段线)
" M% T# D$ ]0 ?& ~, c7 I9 [2 t yPublic Function AddLWPlineSeg(ByVal ptSt As Variant, ByVal ptEn As Variant, Optional ByVal width As Double = 0) As AcadLWPolyline
$ I' z) t. \7 G/ F/ o1 \9 k1 w Dim objPline As AcadLWPolyline; e5 \9 L' V2 k @
Dim ptArr(0 To 3) As Double1 L' r2 o/ Z, C$ W5 N: U
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ptArr(0) = ptSt(0)
9 G7 \' ^+ D) U8 w( U, W ptArr(1) = ptSt(1)
. ?/ z6 J7 A B ptArr(2) = ptEn(0)
) d: _ p/ N& T- F4 U9 m _ ptArr(3) = ptEn(1)4 q$ {8 j8 l! {+ y" B9 @
) @% n& k+ k% r3 T2 k& h Set objPline = ThisDrawing.ModelSpace.AddLightWeightPolyline(ptArr)
0 m; I1 \0 h! O! v2 G objPline.ConstantWidth = width
7 S7 j0 f: U5 ]. ^ objPline.Update
. M3 q1 o6 `( ^8 r Set AddLWPlineSeg = objPline* R& i3 m$ c( C& ~" A, S; u' N
End Function
( ~$ @3 H1 `- e& Z% D/ G5 W4 M0 [. MPublic Function getLinePoint(ent As AcadEntity, ByRef Point1 As Variant, ByRef Point2 As Variant)
& [( e: }- k. \" C$ r2 a8 k '本函数得到线的端点,其中point1为Y坐标较小的点4 c6 h6 A$ g. ?/ w8 D( U! W
Dim p1(2) As Double( V! ^8 c% `0 @) E+ M. H( M. I
Dim p2(2) As Double' g I( A1 ~) z1 x) c* C/ ^ Y
Dim k As Integer
N! }; q9 M3 U5 S. t On Error Resume Next
9 f3 r# b4 D* R& D; K0 C0 ?' d- b! x; w Select Case ent.ObjectName# B+ [' _( k" A: D, P4 N
Case "AcDbLine"
1 m: {6 Y$ s" W/ o; S Point1 = ent.StartPoint( i' B) W5 X& n2 o9 O
Point2 = ent.EndPoint
9 m6 f/ `, x! {& J If ThisDrawing.Utility.AngleFromXAxis(Point1, Point2) >= PI Then5 @+ [, I; s% P5 j
Point1 = ent.EndPoint" H2 t$ I( g+ O5 `, ?5 A
Point2 = ent.StartPoint3 \+ D3 F9 K/ Z2 K: B+ b
End If$ Y9 @1 X. B4 b# F8 x, C5 `
Case "AcDbPolyline"
! ]4 R1 l E3 U! q' _. n Dim entCo As Variant# k. T4 J/ w3 M" X- ?
entCo = ent.Coordinates8 H( |" o* k9 R3 k3 x- j$ W
k = UBound(entCo)
9 Y% W9 e* \( I! G0 d: ?1 v If k >= 3 Then5 `6 k# A* |, p& P0 M: M, \
p1(0) = entCo(0): p1(1) = entCo(1)
9 D" j5 B9 R( l: O p2(0) = entCo(k - 1): p2(1) = entCo(k)1 p; h* f+ S- v
If ThisDrawing.Utility.AngleFromXAxis(p1, p2) >= PI Then9 G" A% O6 n3 o' G& C
p2(0) = entCo(0): p2(1) = entCo(1)
# v* K' U" B# w2 p p1(0) = entCo(k - 1): p1(1) = entCo(k) N& X5 B8 |+ j% D, v
End If7 |+ j7 z# l2 w! T6 l
Point1 = p1: Point2 = p2
/ ]' `2 A a) @2 f End If2 e9 \' k5 f8 ]# j4 z$ O
End Select
) x, ?/ Z' j4 f J) L/ fEnd Function4 e8 C$ K4 r4 Q9 p" {* F) e; l) P
Public Function PI() As Double m6 g; ~" E. _& l6 j. `4 F
PI = Atn(1) * 4
0 l7 x, F2 P I% v& F/ hEnd Function
0 x0 F0 | j" I; n1 hPublic Sub GetEntityEx(ent As Object, pickedPoint, Optional Prompt)" Q- q: ^* \% V' E2 \) J T
'选择实体,直到用户取消操作" @3 d' V9 A0 Z6 i1 i! w3 J' ?
On Error Resume Next) i6 `; K2 C+ p
StartLoop:' C& T2 D. S \5 a+ `$ c' Z
ThisDrawing.Utility.GetEntity ent, pt, Prompt
5 M0 J1 Y$ X1 _) m$ @ ~- Y If Err Then9 e) ^2 ^# `1 J9 \4 o/ b
If ThisDrawing.GetVariable("errno") = 7 Then, U0 E4 D. {1 y) ]' \6 h
Err.Clear; p4 Q; C4 d5 d; I
GoTo StartLoop E m# W# i+ e: @
Else4 e+ }- n, j3 Z5 N
Err.Raise vbObjectError + 5, , "用户取消操作"9 e# y# }- M4 z8 k1 v% R
End If& M' ?( y A/ v( d1 H# h+ N# c: q
End If
5 X0 d6 @# g2 G& q- R: pEnd Sub
. G) p/ {7 E1 A- w" [$ N: FPublic Sub gwGetEntity(ent As Object, pickedPoint, Prompt As String, ParamArray gType())- _2 i8 i+ h, F: D4 W4 B
'选择某一类型的实体,如果选择错误则继续,按ESC退出. r" U5 U# [. w" ^' A4 |
'gtype是实体名称,不区分大小写,可以用通配符号,如"AcDbBlockReference","acdb*text"等. A( ~# r! s2 x8 t
Dim i As Integer# y0 b$ ?" P. D# N& I' p: d
Dim pd As Boolean! v" d% \. e% Q# k
pd = False; z. y! F9 |# x8 \% ?% K, L
Do" U/ n6 {3 }) x% q; Q/ l; V
GetEntityEx ent, pickedPoint, Prompt
4 X$ {; F& }$ ~3 c; n8 b. H. d' o+ e . O9 k/ j) V9 n% j& j
If ent Is Nothing Then% m' `# T6 Z7 O
Exit Do- s4 i, x) o5 t2 v2 `; d/ e
ElseIf UBound(gType) - LBound(gType) + 1 = 0 Then% ~( f6 y2 ^# \
Exit Do. ^# h" n, E% Y5 z r) Z# ]
Else V: L/ q+ Y3 i1 p1 ~7 Z9 O
For i = LBound(gType) To UBound(gType)0 j' x: A& @7 x! [/ u% h/ O9 Z
If UCase(ent.ObjectName) Like UCase(gType(i)) Then( k' w- i V" r( b7 q! ~
Exit Do' r" [2 Y5 e1 X% L; r
Else; \, h2 M# _4 z9 U d8 ^3 \
pd = True
8 [5 R+ h1 N( i' q6 r End If
) O. n ~3 }) x, R( `* Y Next i
7 w# J6 [) [# U0 F) ~ If pd Then ThisDrawing.Utility.Prompt "选择的实体不符合要求."
9 ~/ @4 v% {7 C! }1 I0 J End If, n$ w0 m1 V0 w1 K
Loop+ V- a+ |# \1 g# s5 x. V5 z
/ |6 p6 M: t- vEnd Sub
- R6 E" E. Q8 M'计算两点之间距离. ]+ L+ _# B3 j$ e+ A' v* M" s+ K
Public Function GetDistance(sp As Variant, ep As Variant) As Double, u# d6 [( e) z% d' |, \( _4 r
Dim X As Double
; G/ c3 ]( w* M% ^7 e Dim y As Double F* w7 J5 V' l8 ^. J' Q
Dim z As Double+ t# i. } `. _3 ?# `, m) ~
' G' x1 t! j3 l$ _5 x2 U. E4 _
X = sp(0) - ep(0)
' P5 ]) ?5 l8 n& t' z2 ?9 k( W y = sp(1) - ep(1)3 G0 F" D3 S1 s( G* |" v
z = sp(2) - ep(2)
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GetDistance = Sqr((X ^ 2) + (y ^ 2) + (z ^ 2))3 P! X7 q3 Z% {
End Function3 h) ^! [: o/ ~9 _
'返回两个Double类型变量的最大值( R$ N: q( |6 _# G% m* c
Public Function MaxDouble(ByVal a As Double, ParamArray b()) As Double
1 ?( I) i. N7 v Z MaxDouble = a3 o, {* Q% k ]; r3 C
Dim i As Integer
$ K( [: u: a4 n: ~) T/ ~5 j For i = LBound(b) To UBound(b)
, ~/ \) i# u+ {- L9 y1 x7 U/ H If b(i) > MaxDouble Then MaxDouble = b(i)
8 m' l2 o5 Q( Z! O" W/ H t Next i
& {/ Q4 K$ w. N8 QEnd Function
# v- E2 K( h+ D% a, C2 |Public Function CreateSelectionSet(Optional ssName As String = "ss") As AcadSelectionSet
7 M& T8 q6 o, F- h5 N, _: _ '返回一个空白选择集
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Dim ss As AcadSelectionSet
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On Error Resume Next
$ w) k* U" ~ r" T- L Set ss = ThisDrawing.SelectionSets(ssName)
1 l( ]# d# v7 U3 H) B If Err Then Set ss = ThisDrawing.SelectionSets.Add(ssName)7 Z2 [0 X* X/ ^, Y1 O+ |
ss.Clear; w5 ?% F. y" V
Set CreateSelectionSet = ss
* y, w. W* v d% r. JEnd Function
/ }& I- P& [7 `0 SPublic Sub BuildFilter(typeArray, dataArray, ParamArray gCodes())# W* {7 ]3 N3 ^) t1 ~
'用数组方式填充一对变量以用作为选择集过滤器使用
2 [' V, C& d' ` m Dim fType() As Integer, fData()5 t4 y% D6 s2 Z$ q3 t% }
Dim index As Long, i As Long: f0 O& K/ t2 S% q$ }& k* G% l8 e
3 X Y: o" ^ @& n- U- i index = LBound(gCodes) - 13 ~3 L* {0 H: { y; E
M/ ?+ ?& ]& O For i = LBound(gCodes) To UBound(gCodes) Step 2
4 x, F7 g% y# j# J* I index = index + 1
5 u6 G7 z; a2 p- W- Y. L ReDim Preserve fType(0 To index)
- h, E' o3 R& [( W+ g v ReDim Preserve fData(0 To index)
' {2 c. k" m6 O/ M( B fType(index) = CInt(gCodes(i))
7 G% I1 N1 S# f0 F1 C% Q fData(index) = gCodes(i + 1)* u# N4 M4 w' X: a0 w- M+ ^" j, j
Next
0 \) V9 {- ~% i' f typeArray = fType: dataArray = fData
; }# a; _: I& j, _; [End Sub
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1 H3 b/ R! b' @& c& q/ L. I[ 本帖最后由 xiaoma76 于 2008-7-29 18:10 编辑 ] |
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