|
|
发表于 2008-7-29 18:02:40
|
显示全部楼层
来自: 中国江苏镇江
VBA的我不忽悠人! / U+ S* D- U2 v5 ^ f" o
/ q" B1 S1 A& G8 H* W8 j0 l2 |7 HSub LianX(), R0 ?# R/ \8 H$ C
On Error GoTo xx E9 p4 U' e8 v
Dim ssetObj As AcadSelectionSet
! ?, n5 j& `6 c Set ssetObj = CreateSelectionSet("uniteSS"
0 B: K7 O: W$ R Dim fType, fData
: l: D& @( ]4 C BuildFilter fType, fData, -4, "<or", 0, "line", 0, "LWPolyline", -4, "or>"
2 }! [0 y+ M3 U7 Q W3 r a '屏选直线或多段线. D+ b3 M6 l8 x6 @" t
ssetObj.SelectOnScreen fType, fData6 L/ f" ^- ?' R5 j
Dim i As Integer5 ~- ?/ w Z& K- O* U2 t
If ssetObj.Count <= 1 Then- K. _' `9 v2 f8 u4 g* V/ ? H; c
ThisDrawing.Utility.Prompt "选择的线少于两个,退出命令。"
* c k! y4 l3 O' r: ` Exit Sub, n! W/ F, S4 o# Z+ E; t) p6 L
End If% I% V& v1 S) a) R9 X. u
5 ?! p: c! t* d" Q/ ? Dim line1 As Object
6 }" A; Z; X$ F* X Dim line2 As Object
; w: K5 N1 }/ ?( ^6 F) [/ L+ B 4 |5 \ _7 c) h$ D. E5 b( a, ^. s
Set line1 = ssetObj(0)
: b. K3 @$ G1 D! Z% X Dim pd As Boolean
* ?2 V, m+ o0 }$ {% x5 f For i = 1 To ssetObj.Count
3 ^4 D2 `7 s$ {& |/ b/ P9 K! W Set line2 = ssetObj(i)
; g1 P0 t- `( }" x1 n8 E '连接线 e, p- ?- j% w+ a3 ]) t
pd = unite2Line(line1, line2)
/ h: R/ |5 J6 X2 N. N '如果连接不成功,则退出命令。
4 B+ D* l- n4 g7 d* m If Not pd Then ssetObj.Delete: Exit Sub
2 N3 D5 N; q/ O8 F Next3 W0 n; ~* Q$ c
xx: R& i3 M1 h7 U
Select Case line1.ObjectName
4 M1 d3 P* w- F5 C Case "AcDbLine"
& O8 t7 V+ @0 r: X0 f- J) | ThisDrawing.Utility.Prompt ssetObj.Count & "条线段已连接为直线."
* j( F; N0 Z6 N+ ~ Case "AcDbPolyline"
6 q. b3 f3 n0 z3 B1 J ThisDrawing.Utility.Prompt ssetObj.Count & "条线段已连接为多段线."
" @- p9 c8 x0 J: W. \) B) J End Select" x) p ?7 |, A/ e& i" D+ `
ssetObj.Delete6 d. Y* L& \5 E; _2 N& i1 D
End Sub* S/ i+ R( t( V
0 N) e$ J4 t b% l% rSub uniteline()
3 ?! [7 r( e5 W On Error Resume Next
, e/ g2 {. a) `0 O. u '取得线6 P& q. V. f4 O. s
Dim line1 As Object* w$ H0 e- s/ P3 A+ w
Dim line2 As Object% O" k; f0 | z" W8 n( g2 x4 m5 u# X
Dim pt1, pt2, pt3, pt4, basePnt As AcadEntity. J* j7 f. o0 z- ^
Dim lpt1, lpt2 As Variant
. n, J5 ]! d4 P, ~/ W* b b C) Q: p8 ~, @6 o
gwGetEntity line1, basePnt, "请选择第一根直线或多段线:", "AcDbLine", "AcDbPolyline"
+ y" X# z z$ M3 T9 \0 w+ {9 E If line1 Is Nothing Then1 ?/ l9 c" @" g. H) V
ThisDrawing.Utility.Prompt "用户取消,退出命令。"/ ~- |$ T2 ~/ ~4 c! G0 G( b
Exit Sub
$ y K; e @( T End If
* n3 g5 g$ u$ n& H 3 q, z: r$ L. N7 z( P- r! D
gwGetEntity line2, basePnt, "请选择第二根直线或多段线:", "AcDbLine", "AcDbPolyline"7 G' V8 N$ Q0 @/ b1 S
If line2 Is Nothing Then# k. }+ z# R0 t3 l
ThisDrawing.Utility.Prompt "用户取消,退出命令。"$ Z9 D9 p5 z1 ? s' B' r5 m- H
Exit Sub
9 l4 r" w% J A End If
% {$ x! s$ d9 x4 B8 S '连接线
7 t9 b8 h. k3 X6 B7 E5 {. D unite2Line line1, line2; J* F1 Y4 B, W5 P: Q
End Sub0 b" k2 Y8 |2 f1 F
4 p, V$ R, d. [/ v* b
r" a/ a3 `6 J. D9 d9 L5 P cFunction unite2Line(ByRef line1 As Object, ByVal line2 As Object) As Boolean' R1 [# @+ k1 s- Z9 W
'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# b2 t8 j# D: c2 E. ^
On Error Resume Next0 s2 V# v" y: G
unite2Line = False# ]1 Z1 f8 @2 K: L
/ e9 u% T. ~( k6 W
If line1.Handle = line2.Handle Then
0 d; h! j7 Z1 F; D ThisDrawing.Utility.Prompt "选择的是同一直线或多段线,退出命令。"8 ]- ]; x- l0 |4 Z' G, C7 ~
Exit Function# m8 N S& c7 W! {4 [3 B4 Z
End If' x% m+ k* z) N: j
9 d( c8 [' L' Y5 \
getLinePoint line1, pt1, pt2
9 H6 t' M4 H- y+ d getLinePoint line2, pt3, pt4! X0 B. i1 A& V! `9 Q) {: ^$ H( U, V) R( I
* M# I5 v2 H6 {- D7 ]* @! } Dim A1, A2, A3 As Double3 q# K$ I$ b7 a9 j3 U, A; F: e; a$ e
Dim maxdi As Double& J# S+ ] F, I4 b; ]; ^
A1 = ThisDrawing.Utility.AngleFromXAxis(pt1, pt2)
; r8 ^; e6 P% [+ V" t A2 = ThisDrawing.Utility.AngleFromXAxis(pt3, pt4)8 x6 f: t. s4 \6 Q) D
A3 = ThisDrawing.Utility.AngleFromXAxis(pt1, pt3)2 f( ]4 g0 M; m. g, X0 U& `0 n) V
'判断四点是否共线# `/ f* L1 Z$ D3 c0 j6 H0 ]
If Abs(A1 - A2) < 0.0000001 And (Abs(A1 - A3) < 0.0000001 Or Abs(Abs(A1 - A3) - PI) < 0.0000001) Then
, _* T+ b% `7 e '取得距离最远的两个点。4 o1 u1 \9 ?1 ^. ?
maxdi = MaxDouble(GetDistance(pt1, pt2), GetDistance(pt1, pt3), GetDistance(pt1, pt4), _! p3 q1 X' t$ x+ ?
GetDistance(pt2, pt3), GetDistance(pt2, pt4), GetDistance(pt3, pt4))
& `1 z* y! V5 }, T- S, x! `7 D% D, N If GetDistance(pt1, pt2) = maxdi Then lpt1 = pt1: lpt2 = pt29 I0 J3 @2 Q5 V- ]3 P
If GetDistance(pt1, pt3) = maxdi Then lpt1 = pt1: lpt2 = pt3
# {% [1 |/ a$ G3 J7 T2 N" E; E4 ] If GetDistance(pt1, pt4) = maxdi Then lpt1 = pt1: lpt2 = pt4/ [+ D! M1 T0 E ?: P+ m% ^4 O2 U4 Z
If GetDistance(pt2, pt3) = maxdi Then lpt1 = pt2: lpt2 = pt3+ A( W/ `- _ {8 b9 R
If GetDistance(pt2, pt4) = maxdi Then lpt1 = pt2: lpt2 = pt46 _1 Q: C7 O" u! i& V
If GetDistance(pt3, pt4) = maxdi Then lpt1 = pt3: lpt2 = pt4
( `% Y; l' H' k5 T" [9 { '画直线! `' K$ q& _+ J% s" g( _5 r
Select Case line1.ObjectName6 n6 W7 \" C5 q) `( r
Case "AcDbLine"
$ e# [5 L/ a% \9 B7 {& L! U: e line1.StartPoint = lpt1
" ]2 D) m- X* T. q* s4 T line1.EndPoint = lpt21 h- \+ a$ o4 r* L) i
line2.Delete
/ B* p0 J$ [& X+ G8 L unite2Line = True
) `$ m, r5 W) O$ A$ i+ }$ M8 s Case "AcDbPolyline"+ S) _6 E% }8 b
Dim newPline As AcadLWPolyline* q, P2 {' @9 u4 d1 R3 T
Set newPline = AddLWPlineSeg(lpt1, lpt2, line1.ConstantWidth)
k6 Y4 t+ v' j newPline.Layer = line1.Layer
9 c* C( C k1 t" S5 ~0 {5 B- u+ V newPline.color = line1.color
( u1 p( F V# a1 a* V: c newPline.Linetype = line1.Linetype9 z+ X& s3 {4 a
line1.Delete9 Z/ e1 q4 j& g4 m+ c
line2.Delete
9 E# w% B/ i; i3 _5 e7 e/ y Set line1 = newPline
& f0 |! b* @7 ~ unite2Line = True' |& ?! s1 @6 ]; Z9 U" u
End Select# m4 C8 _, u& k3 ~/ ?
Else: ThisDrawing.Utility.Prompt "两线不在同一直线上,退出命令."
/ K8 p. i w" G/ `6 d End If
( j' q) h! R+ Z& Z" bEnd Function3 T1 P/ L. i) G9 u5 Q# u
3 W& ~# t5 I* Z7 C/ L
: m9 ]( z6 \3 x" E- E' F) r" J. U3 B0 [
2 F8 Q! }/ c" I* }'以下是上述代码调用的函数?5 F J2 E4 c, R6 F' |: n
8 n8 X6 f4 K- M
$ P/ {/ H/ x$ }( `* V% Q
'创建轻量多段线(只有两个顶点的直线多段线)& R- ^$ J4 u1 T% C) T! w" Z4 l
Public Function AddLWPlineSeg(ByVal ptSt As Variant, ByVal ptEn As Variant, Optional ByVal width As Double = 0) As AcadLWPolyline2 P7 J5 g3 ~( O
Dim objPline As AcadLWPolyline
: q1 `2 d g, ^) I Dim ptArr(0 To 3) As Double
: t6 Q5 ]* V* i7 n! e. F" {
; D% s( C( Q; Z+ E ptArr(0) = ptSt(0) [) C2 z% Z* P G) d
ptArr(1) = ptSt(1)
& w$ y: b6 w# K7 U# | ptArr(2) = ptEn(0)
2 R" S; K' N! `. F, F: M ptArr(3) = ptEn(1) _/ f u0 V5 m& S/ t
' r' b2 j% w% S9 l2 N
Set objPline = ThisDrawing.ModelSpace.AddLightWeightPolyline(ptArr)
$ |; O( X2 M* C/ g3 q7 m/ [ objPline.ConstantWidth = width
; G6 \( m' x: S% m$ \* d objPline.Update* C0 ~" s t: G5 M
Set AddLWPlineSeg = objPline
/ d l5 ?- ]- K ~& g; KEnd Function) g7 p5 k0 ^. N8 Q: L k
Public Function getLinePoint(ent As AcadEntity, ByRef Point1 As Variant, ByRef Point2 As Variant) Q/ r& H0 m9 d8 x
'本函数得到线的端点,其中point1为Y坐标较小的点
# y( f8 H2 ~7 J i Dim p1(2) As Double/ F8 f" i& ?- Q# x! z- R
Dim p2(2) As Double" h# _5 p1 D: \3 k* L
Dim k As Integer" ~6 `! m1 i* f! d+ h! F
On Error Resume Next
% c8 P! s: W9 m0 {+ ` Select Case ent.ObjectName
! i: j$ a f- v Case "AcDbLine"
4 ~1 S3 B9 I5 ^# J# j, ?( k, q Point1 = ent.StartPoint/ ^# c! h4 a! @3 U+ `
Point2 = ent.EndPoint+ ^2 N$ W" O, X; ^
If ThisDrawing.Utility.AngleFromXAxis(Point1, Point2) >= PI Then p2 Z3 t! B' w; E) [$ \
Point1 = ent.EndPoint
- r/ Y0 U) E$ P! Z' S5 D _) k7 t Point2 = ent.StartPoint
# x; _ Z) A6 j- K/ Z End If+ K, t# T2 |' y1 A, J4 T
Case "AcDbPolyline"
/ |* t6 d4 A- D) s3 d3 @ Dim entCo As Variant. ], D* x. w& a: E5 \, b. J
entCo = ent.Coordinates
& s. v0 Y- x: e! V8 B$ i k = UBound(entCo)
3 a, ?: y4 y7 _: j4 N5 Y8 {# l If k >= 3 Then
; ^. l% A3 }1 _6 Q p1(0) = entCo(0): p1(1) = entCo(1)+ Z; L% ^) V; x- T- f9 f
p2(0) = entCo(k - 1): p2(1) = entCo(k)6 j1 |( Y5 E& ^: G8 L2 H% W' E
If ThisDrawing.Utility.AngleFromXAxis(p1, p2) >= PI Then
! {" R$ L3 `; A& |8 j6 C9 r4 N p2(0) = entCo(0): p2(1) = entCo(1)
8 ^" K3 q0 M4 x( \ p1(0) = entCo(k - 1): p1(1) = entCo(k) F" ]1 t2 M3 L
End If/ X4 N1 e' ^1 o
Point1 = p1: Point2 = p2
: T0 K2 b3 k4 p- Y! ^ q End If+ p- V# |% i. V3 l
End Select- r+ `* b/ J& {9 b6 W
End Function, ]/ N) L5 s5 m
Public Function PI() As Double
( O( m" Z2 ^) p8 G& ~1 G4 _ PI = Atn(1) * 4
$ p0 u, r8 W- PEnd Function
! \8 \* @- p# sPublic Sub GetEntityEx(ent As Object, pickedPoint, Optional Prompt)) D" f) [- I1 {5 n7 Y+ @
'选择实体,直到用户取消操作
0 e* L: G# w. w& N3 h+ N On Error Resume Next
% G5 W4 [1 `- A' l7 L: kStartLoop:- U' C$ L! V5 Y$ y
ThisDrawing.Utility.GetEntity ent, pt, Prompt
( t7 H# P; [3 r1 }3 ^ If Err Then) A; H* ]+ U* w5 T% }
If ThisDrawing.GetVariable("errno") = 7 Then
6 ~3 P0 X" s$ b& X0 ^7 O Err.Clear! ^. @; l0 V5 d A6 V/ H7 E
GoTo StartLoop
- K; u9 r- M: w+ O0 O) L- W Else
2 j/ C2 q8 N# ?% _. ?! U Err.Raise vbObjectError + 5, , "用户取消操作"0 N8 ~" Z6 y+ q: {5 i0 }* h
End If' ?6 q5 d! x5 [( c
End If/ g& f4 c; |; z8 C
End Sub- ~% _* O$ V3 @+ D3 ]* {% ]* q
Public Sub gwGetEntity(ent As Object, pickedPoint, Prompt As String, ParamArray gType())4 w' I% @1 {! F4 V n9 A; p$ y F3 |1 x
'选择某一类型的实体,如果选择错误则继续,按ESC退出
' Z8 ^5 ^( ]: ]" l* p, h'gtype是实体名称,不区分大小写,可以用通配符号,如"AcDbBlockReference","acdb*text"等
: `' G! X* w1 P+ }Dim i As Integer
! B3 d& L7 t6 a. d1 w" b' iDim pd As Boolean
' \$ A4 U4 M# \$ L3 m* `- K, }pd = False
# c) D4 c3 W1 {/ `( LDo
7 e; x# j& j) N* l2 N: M* g6 p GetEntityEx ent, pickedPoint, Prompt1 E; _, q" X! N
, F9 V! b0 E" s h u If ent Is Nothing Then) M/ F) P) F8 m k2 o, }
Exit Do
0 r# y5 v# N" a' R* w6 d ElseIf UBound(gType) - LBound(gType) + 1 = 0 Then9 U. H0 z" h# H* m) z$ ?& u; d2 J, ~
Exit Do! |! l$ N% P; j; Z
Else
3 M5 T. u/ r% t5 N/ W2 W% e. u For i = LBound(gType) To UBound(gType)
$ Y: T! v) c9 i If UCase(ent.ObjectName) Like UCase(gType(i)) Then
5 p, l* @) @( `: ^8 W* g* f Exit Do; V' |+ C% G3 t4 O7 H+ C
Else
3 y/ j9 _; P9 W0 P6 G pd = True
2 x" u2 v, |% @) F End If. h$ X* N8 p0 t' {0 n& Z c/ K! {3 ]: ^
Next i
* ~+ _" S8 _9 b& ?' g, }0 v If pd Then ThisDrawing.Utility.Prompt "选择的实体不符合要求."/ X: a; K2 U$ [" o
End If: }- z( K; s I! P
Loop
5 O, C* E, Q7 J% i
; o9 A+ P! h8 ^& @% m7 [8 ]' JEnd Sub7 Y k% s- C& g# s4 }) M
'计算两点之间距离
. z- z% @$ i3 X5 n6 {Public Function GetDistance(sp As Variant, ep As Variant) As Double
8 t6 V, Y$ K+ P, m9 l3 x Dim X As Double+ F4 n8 z& D' G- f# ^
Dim y As Double
% z% l8 P/ [! k m5 E Dim z As Double9 t9 F; T' u! X' p8 p
) ^. J& F U8 [' \* t2 d6 K; a- H X = sp(0) - ep(0)+ n7 r u" W9 a# p' ? P0 q
y = sp(1) - ep(1)9 f3 Q7 c3 h! l& X0 X7 `5 c
z = sp(2) - ep(2)$ i3 G. s, o# _. }) B* x1 F
* n: y, j, g/ J. { [ n
GetDistance = Sqr((X ^ 2) + (y ^ 2) + (z ^ 2))" |3 \5 ?7 _9 n& t0 `( T5 b
End Function+ ^/ Z* H" r& S; e" @
'返回两个Double类型变量的最大值& Y# g9 f5 R( e2 s- L( Z
Public Function MaxDouble(ByVal a As Double, ParamArray b()) As Double
/ t5 p8 U* S+ J1 Z7 o# q$ K5 x$ o MaxDouble = a' Q) [( h: K0 o6 y% s
Dim i As Integer
2 r! r7 l8 L! a( f& m For i = LBound(b) To UBound(b)
" m! L. T6 z. q+ q. O! F, h If b(i) > MaxDouble Then MaxDouble = b(i)
" Y. X, W6 M( R% \. N Next i4 x: \3 c% l/ B
End Function; q1 Z9 {7 h1 m' m
Public Function CreateSelectionSet(Optional ssName As String = "ss") As AcadSelectionSet: M. j2 [, p8 L7 ]% ]; o# i8 _
'返回一个空白选择集0 W. o M8 U4 N" W* p
! U `2 r+ u# S6 i Dim ss As AcadSelectionSet) e6 `' ]3 F. w! `4 g
" r2 W9 z) W( x. _0 m
On Error Resume Next
2 j6 v) t5 j$ e- V$ p/ g2 l1 | Set ss = ThisDrawing.SelectionSets(ssName)- l3 j P1 V3 N
If Err Then Set ss = ThisDrawing.SelectionSets.Add(ssName)! J0 k/ c0 V) O6 r1 o8 @: f$ x
ss.Clear
5 X* W# d$ i& W/ ^9 |+ E Set CreateSelectionSet = ss
% b3 a6 B& p0 [End Function
5 g5 w7 c5 H0 a+ K* GPublic Sub BuildFilter(typeArray, dataArray, ParamArray gCodes())
0 M8 L0 X- h0 Q a '用数组方式填充一对变量以用作为选择集过滤器使用8 G$ [% s3 y4 e( W
Dim fType() As Integer, fData()
0 E H+ k0 ?0 ^( R) O6 k0 f' b6 I Dim index As Long, i As Long( _# v7 L$ ] ^9 `" k4 H% I
& @8 ^( h; Q4 y" j. }0 h& `3 { index = LBound(gCodes) - 1
/ b4 z/ H. T3 V; J; @+ e
* l1 Y4 {3 j" G5 n9 a8 n9 ~6 n' s For i = LBound(gCodes) To UBound(gCodes) Step 29 h. d) V, n# S$ }
index = index + 1: a! O' Y: O- I- v# ?
ReDim Preserve fType(0 To index)( ?: v, D2 E! V' {7 X
ReDim Preserve fData(0 To index)
1 u4 h1 s2 M" A fType(index) = CInt(gCodes(i))$ Q$ \8 z- M# Y+ M$ Y% t0 M
fData(index) = gCodes(i + 1)
1 y6 c; H0 H* X Next% j9 \; s5 h7 ?
typeArray = fType: dataArray = fData
0 T! ]% ]5 F; O! b* IEnd Sub \( a, n' y# S% y+ A
* B- t6 u$ s1 v Q7 e[ 本帖最后由 xiaoma76 于 2008-7-29 18:10 编辑 ] |
评分
-
查看全部评分
|