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发表于 2011-6-10 08:16:51
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来自: 中国辽宁
边界必须是一个"环".两个圆应该是构成两个内边界.应该用两次"AppendInnerLoop"方法,每次添加一个"圆"内边界.- Sub Example_AppendInnerLoop()& @ r1 P8 [8 e5 \% @
- ' This example creates an associative hatch in model space, and then appends an outer loop to the hatch.9 W) C/ }, ~/ T2 Y* \
7 ?# a) C. P- u9 j- Dim hatchObj As AcadHatch
' Y( @& F* V) H% E! Q5 ] - Dim patternName As String
1 T$ }1 e8 k$ V, o# A% ^% l - Dim PatternType As Long
+ s7 v' x2 [' h# u2 F - Dim bAssociativity As Boolean7 g' h( C) O* a' z
- 'Dim innerLoop(0 To 1) As AcadEntity
% y6 v. T1 ` d% c - Dim innerLoop(0) As AcadEntity
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8 [) Q! e9 y4 A5 ^$ F3 }' f- ' Define the hatch
' x; z9 F6 u2 b$ X, F8 U - patternName = "ANSI31"
0 @' G$ v$ u- m9 l0 O6 Z- D - PatternType = 0
. M" k, g$ Y0 L, c b1 F# \ - bAssociativity = True
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- ' Create the associative Hatch object
+ W9 A" U, ^" V' k8 Z: {6 k9 Z - Set hatchObj = ThisDrawing.ModelSpace.AddHatch(PatternType, patternName, bAssociativity)! l- W( S1 X' t6 }/ J
3 H \4 p3 w! R- I/ S- ' Create the outer loop for the hatch.
0 ]. e( o$ L* W - ' An arc and a line are used to create a closed loop.# K7 a' e% V8 X2 l
. n2 d4 o. o" a9 k J- Dim outerLoop(0 To 1) As AcadEntity
' T/ p/ G4 r- X0 H - Dim center(0 To 2) As Double
! n' H( k6 ]2 ^! N& C - Dim radius As Double
% b: Z/ R+ @9 a5 h7 B3 _# t7 B& I% } - Dim startAngle As Double5 y* ?- C3 e0 q) ^
- Dim endAngle As Double
2 F# e H+ S: G2 H% v' L - center(0) = 50: center(1) = 30: center(2) = 0. T0 L; O' a B0 ^( l; ?$ c( C/ [* m6 [
- radius = 30
0 W+ e) n/ S( z; k& r, X - startAngle = 05 M- a" v: C3 S0 H, j
- endAngle = 3.1415927 Z* H9 b) i" ?! ?6 j& o) z
- Set outerLoop(0) = ThisDrawing.ModelSpace.AddArc(center, radius, startAngle, endAngle)4 i3 d0 i/ o2 `! E. ^. C5 A3 W: v8 Z
- Set outerLoop(1) = ThisDrawing.ModelSpace.AddLine(outerLoop(0).StartPoint, outerLoop(0).EndPoint)& [; {# i+ ^# V
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- ' Append the outer loop to the hatch object' q4 B I: \, o6 `0 E1 J
- hatchObj.AppendOuterLoop (outerLoop)
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1 Y% B* I5 c! b* t/ G& c- center(0) = 35: center(1) = 40: center(2) = 0( q. n, C$ G* F$ V+ U
- radius = 5
$ P1 p# B$ ^# ?8 _0 e - Set innerLoop(0) = ThisDrawing.ModelSpace.AddCircle(center, radius)
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6 Q) P& Q- I' l4 H% ]- ' Append a circle as the inner loop for the hatch.% n7 q0 e0 M/ a
- hatchObj.AppendInnerLoop (innerLoop)! h! e3 s* @- s$ y
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- center(0) = 55: center(1) = 40: center(2) = 0
7 t' i5 m: \9 n' f6 W5 V - radius = 56 w, C# P% E# `+ g3 ?+ {0 K( ?
- Set innerLoop(0) = ThisDrawing.ModelSpace.AddCircle(center, radius)# y# D+ h! l: T0 {4 g% J9 _
; s- ]& J! ^. j- ' Append a circle as the inner loop for the hatch.% Z4 {4 M9 ^2 d8 H! Q+ R
- hatchObj.AppendInnerLoop (innerLoop)
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- ' Evaluate and display the hatch+ ~1 L& ?3 K1 m
- hatchObj.Evaluate% C# U/ |0 n6 y, E
- hatchObj.PatternScale = 0.01
& `2 o7 C `) }3 q8 u) R) W$ u - ThisDrawing.Regen True
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- End Sub
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