|
发表于 2011-6-10 08:16:51
|
显示全部楼层
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()
5 [; |) I# h9 ^, f+ Y - ' This example creates an associative hatch in model space, and then appends an outer loop to the hatch.- o8 `# l2 M3 j9 L
- % |7 y" e; X- |* O& ~# @; `
- Dim hatchObj As AcadHatch/ \4 e: x, X' c a8 B& y
- Dim patternName As String
( o. Z9 @: ]5 a7 g- R. u - Dim PatternType As Long
" \8 r/ ]0 r3 B - Dim bAssociativity As Boolean
4 P! ^; C# N" `1 B# }3 P$ N - 'Dim innerLoop(0 To 1) As AcadEntity
8 y( Q. z# u& e) b/ ~ - Dim innerLoop(0) As AcadEntity
+ Q! [5 v/ ]" ^# j! T - 7 g8 ~7 E2 |8 z4 d% d
- ' Define the hatch) a- C; Y3 N1 I' P$ z( d
- patternName = "ANSI31"
" d- Q" P1 z3 r8 C" @: Y- y! f, ] - PatternType = 09 i' I7 ^ p6 h' J
- bAssociativity = True- C5 I6 Q! L1 E( ~
) L) P( G/ P5 y+ i- ' Create the associative Hatch object
$ ?. F. e3 m O - Set hatchObj = ThisDrawing.ModelSpace.AddHatch(PatternType, patternName, bAssociativity)7 ~& @* G2 @7 n0 D# C3 e! b9 D
- . i G2 ~2 a. U. E. t3 `) c
- ' Create the outer loop for the hatch.. o2 {# e' B0 h) f$ T4 @! w3 S
- ' An arc and a line are used to create a closed loop.
) t$ o& B, c, U6 f1 \ - 0 n$ c3 O! N, Z8 {4 W. }
- Dim outerLoop(0 To 1) As AcadEntity
! J" G% _8 B7 ~2 s' R& H) h. Q - Dim center(0 To 2) As Double
3 V: G* `/ m' F4 n5 [: i% x* p7 T - Dim radius As Double: A% a( q5 w" \# Q) n9 `
- Dim startAngle As Double
1 e2 Y) s1 j l0 c( {7 n - Dim endAngle As Double" O+ L7 S( D, j* [
- center(0) = 50: center(1) = 30: center(2) = 09 ~& v% F5 `7 O" F$ n g
- radius = 30 @- s! X' n, J/ V4 w0 _7 w2 ]
- startAngle = 0
" B% s* U, _1 c9 z( m/ ] - endAngle = 3.141592
/ l! l/ V7 f) b" [ - Set outerLoop(0) = ThisDrawing.ModelSpace.AddArc(center, radius, startAngle, endAngle)
. @ i% |& b# j- P; b% y - Set outerLoop(1) = ThisDrawing.ModelSpace.AddLine(outerLoop(0).StartPoint, outerLoop(0).EndPoint)
" m# {6 m# n& i+ _ - 5 j+ Y3 Q9 _! h7 A( u
- ' Append the outer loop to the hatch object# n. F( y* ~0 C% x! s( R# l; T1 \5 d
- hatchObj.AppendOuterLoop (outerLoop)) @0 f, A- @7 V/ e. u D- p- h
- 8 [ Z6 m k* N6 |2 C
- center(0) = 35: center(1) = 40: center(2) = 0
4 {! V6 Z+ `' d: L. ?: C - radius = 56 \0 ~- ^* |8 y5 k
- Set innerLoop(0) = ThisDrawing.ModelSpace.AddCircle(center, radius)2 ]2 D" F- U! w" p
4 w% O1 ]: ^: n+ \: B b' L, _+ q- ' Append a circle as the inner loop for the hatch.
9 p. J( M- d4 w6 { - hatchObj.AppendInnerLoop (innerLoop)
, Y1 Q" W. e4 {4 N0 V - ( J9 c/ V( g7 p4 \
- center(0) = 55: center(1) = 40: center(2) = 0
0 C0 S+ Y3 [% G, p - radius = 5
/ I+ x( |, F' D M, [& Q8 _ - Set innerLoop(0) = ThisDrawing.ModelSpace.AddCircle(center, radius)
S( u: W z' i/ d/ N& `& M
, O+ t5 o* c! p. k5 _8 @- ' Append a circle as the inner loop for the hatch.! W" W5 J0 l7 l% ?1 }" S5 c; S! i# ~
- hatchObj.AppendInnerLoop (innerLoop)
, h* T: T( d8 h; a1 R* C
! T, l1 Q, U5 t5 _2 ~3 j4 O- ' Evaluate and display the hatch
& v! Y# }4 p r5 e8 f- N9 @ - hatchObj.Evaluate1 q/ [4 c: A* t+ J% |3 n
- hatchObj.PatternScale = 0.018 x- y( k+ o- g6 ]# X1 v* ^/ y$ n
- ThisDrawing.Regen True1 c- h; I. Y& @5 L# X
- $ F8 Y1 J+ n; @0 ~) k9 A
- End Sub. p/ t: J U& R- W* B: s' w
复制代码 |
|