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发表于 2019-1-22 10:10:08
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来自: 中国北京
本帖最后由 woaishuijia 于 2019-1-22 10:27 编辑
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画出下图中蓝色椭圆弧; M- p3 B ?- @, P' a
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- Sub A()
, F; p# n# R! G3 E: w - With ThisDrawing0 e2 Y! n. p( S5 T4 y8 ~
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3 B( U% X( H( L% A2 i; p - Dim 椭圆 As AcadEllipse, 椭圆中心(2) As Double, 椭圆长轴矢量 As Variant8 s, z! [5 [. P3 r3 y2 T& p
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' Q8 C9 x$ ]* d+ v( z - 椭圆长轴矢量 = .Utility.PolarPoint(椭圆中心, .Utility.AngleToReal(30, acDegrees), 100)+ ?( s/ p; @( S
- 椭圆中心(0) = 200: 椭圆中心(1) = 100
# x5 a2 w0 l. m1 Q m - Set 椭圆 = .ModelSpace.AddEllipse(椭圆中心, 椭圆长轴矢量, 0.4)
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. p9 }* e1 _1 b$ c$ Y1 N - Dim 辅助直线1 As AcadLine, 辅助直线2数组 As Variant, 直线起点(2) As Double, 直线端点(2) As Double: L" O- N+ j. j/ V/ f9 U
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' [; D1 [" I, u - 直线起点(0) = 240: 直线起点(1) = 1002 Z0 V; ?. S) m( Z: Y
- 直线端点(0) = 240: 直线端点(1) = 300$ u0 ~6 {4 W8 g9 Y- v; [
- Set 辅助直线1 = .ModelSpace.AddLine(直线起点, 直线端点)3 r( |) q6 ~9 s: q, [! M6 C' T
- 辅助直线2数组 = 辅助直线1.Offset(50)& `& ^7 V/ q9 M0 o) e Z
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+ F( k& G! H" w3 K) K% ]. V - Dim 椭圆弧起点 As Variant, 椭圆弧端点 As Variant6 o6 \8 G8 j7 f
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- 椭圆弧起点 = 椭圆.IntersectWith(辅助直线1, acExtendNone)
* j# M9 l4 ~( {0 @2 l6 S: M$ _ - 椭圆弧端点 = 椭圆.IntersectWith(辅助直线2数组(0), acExtendNone)
: z" a# c' g5 I - 椭圆.StartAngle = .Utility.AngleFromXAxis(椭圆.Center, 椭圆弧起点) - .Utility.AngleToReal(30, acDegrees)
, X" y# [. x& q# |% W4 r1 ^ - 椭圆.EndAngle = .Utility.AngleFromXAxis(椭圆.Center, 椭圆弧端点) - .Utility.AngleToReal(30, acDegrees)
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- 辅助直线1.Delete
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" A! s5 g6 {. P" r9 R - End With
* X. I3 `2 q5 h% R) ^ - End Sub
复制代码 # Y4 H D6 T* t% x
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