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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() r z' Z$ V7 F' T; d
- ' This example creates an associative hatch in model space, and then appends an outer loop to the hatch.
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- Dim hatchObj As AcadHatch1 G% n/ O) q2 A3 f5 t5 p* Y3 H* {
- Dim patternName As String
: L% P. c9 _8 F' V6 h - Dim PatternType As Long7 r2 _" `) [1 B0 F0 k0 M+ s
- Dim bAssociativity As Boolean
# p) m' S e: ]& _ - 'Dim innerLoop(0 To 1) As AcadEntity
; l G- w6 L5 R* t8 o - Dim innerLoop(0) As AcadEntity
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- ' Define the hatch4 H+ m4 \" r, G7 L
- patternName = "ANSI31"' {% a {( }8 E9 L% m8 {/ v' w
- PatternType = 0
' ~' _ g' E& S - bAssociativity = True
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- ' Create the associative Hatch object
3 w5 \+ z9 U3 @0 ^6 C" \ - Set hatchObj = ThisDrawing.ModelSpace.AddHatch(PatternType, patternName, bAssociativity)* j0 A' k5 c* s2 ]4 K0 c- e) W
- - d* W _' Z$ h
- ' Create the outer loop for the hatch.. l, F, ~( ]: H$ O- Q9 M1 I& J
- ' An arc and a line are used to create a closed loop.1 _. [4 r8 l( u U$ w R. F
( L- Z9 f& T7 r- Dim outerLoop(0 To 1) As AcadEntity7 h9 Z2 @; n; Z; U* \6 N
- Dim center(0 To 2) As Double! N$ v- e& b: g( i( \# X
- Dim radius As Double8 B M, h9 b. N* c
- Dim startAngle As Double, E0 Z; N# {: j7 I! v
- Dim endAngle As Double
- z9 D: Q. k: D. k; v M; ~4 j, f - center(0) = 50: center(1) = 30: center(2) = 0
$ s/ Y4 g ~ ^5 g& [5 T$ a% D, O - radius = 300 Y! ^: ?) G' [) v1 Z
- startAngle = 0
3 M8 @3 R+ J6 P( \' K: |8 u - endAngle = 3.141592: c$ `( n3 B4 K* m4 ]$ \* _
- Set outerLoop(0) = ThisDrawing.ModelSpace.AddArc(center, radius, startAngle, endAngle)5 Z; m3 M2 W, q# a! C/ w& E, @
- Set outerLoop(1) = ThisDrawing.ModelSpace.AddLine(outerLoop(0).StartPoint, outerLoop(0).EndPoint). [& j4 U$ E* @
- # p4 F/ u( }" d, z
- ' Append the outer loop to the hatch object9 j* ~; z4 h# p* Q: c; w3 n
- hatchObj.AppendOuterLoop (outerLoop)
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- center(0) = 35: center(1) = 40: center(2) = 0
' q0 \! Q& f' M+ @) v - radius = 5
* j4 m& }' I. R8 \ - Set innerLoop(0) = ThisDrawing.ModelSpace.AddCircle(center, radius)( X! Y# j* `1 M
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- ' Append a circle as the inner loop for the hatch.
5 D# l6 E/ w% ~5 Z/ a - hatchObj.AppendInnerLoop (innerLoop)5 {5 A; t) @5 d6 d- [8 {1 x
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- center(0) = 55: center(1) = 40: center(2) = 0: }8 x3 w* }9 f+ g
- radius = 5
! i2 y R- i, t2 w+ C% l - Set innerLoop(0) = ThisDrawing.ModelSpace.AddCircle(center, radius)
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" q# t/ A9 s# U- ' Append a circle as the inner loop for the hatch.6 |! F {1 o3 u0 n; Q" F' A
- hatchObj.AppendInnerLoop (innerLoop)
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- ' Evaluate and display the hatch
! _4 N- {0 `$ W } - hatchObj.Evaluate
- W- C4 ?3 ?: w2 v9 Q. ?' Q - hatchObj.PatternScale = 0.01
. n. a) {# S" r3 M5 ` - ThisDrawing.Regen True# d5 l$ ?6 E1 q( d$ N
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- End Sub
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