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发表于 2019-1-22 10:10:08
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本帖最后由 woaishuijia 于 2019-1-22 10:27 编辑 , Q* e4 q0 \# W! c6 ~3 I% e
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画出下图中蓝色椭圆弧$ n) I) ?; c3 c+ G, t' K1 j( E3 b
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- With ThisDrawing$ C1 E+ ~3 |- F9 {, d
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- Dim 椭圆 As AcadEllipse, 椭圆中心(2) As Double, 椭圆长轴矢量 As Variant
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- 椭圆长轴矢量 = .Utility.PolarPoint(椭圆中心, .Utility.AngleToReal(30, acDegrees), 100)
' p+ B% ~( ?* b" x$ Z% | - 椭圆中心(0) = 200: 椭圆中心(1) = 1001 |& i# E+ T5 p
- Set 椭圆 = .ModelSpace.AddEllipse(椭圆中心, 椭圆长轴矢量, 0.4)
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. e. E) h3 x& w# O E! I8 @ - 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
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8 r5 ]5 ?$ n* s# {9 x - 直线起点(0) = 240: 直线起点(1) = 100
5 e% N( T; v1 W6 R - 直线端点(0) = 240: 直线端点(1) = 300
3 Y+ e4 c' v' B - Set 辅助直线1 = .ModelSpace.AddLine(直线起点, 直线端点)
7 ?3 ]0 w5 R6 T8 R3 f7 d3 i C - 辅助直线2数组 = 辅助直线1.Offset(50)
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) V1 g* u+ |+ C2 `! I! y - Dim 椭圆弧起点 As Variant, 椭圆弧端点 As Variant" m" P3 _3 z& i5 F
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- 椭圆弧起点 = 椭圆.IntersectWith(辅助直线1, acExtendNone)
, t8 H" k5 f( u - 椭圆弧端点 = 椭圆.IntersectWith(辅助直线2数组(0), acExtendNone)9 F0 T6 V$ A7 U/ m% M
- 椭圆.StartAngle = .Utility.AngleFromXAxis(椭圆.Center, 椭圆弧起点) - .Utility.AngleToReal(30, acDegrees)
. L8 `2 I) d2 Q2 n* s) z - 椭圆.EndAngle = .Utility.AngleFromXAxis(椭圆.Center, 椭圆弧端点) - .Utility.AngleToReal(30, acDegrees); |: N/ |( [( d& N* h% w
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8 g+ K+ k0 ^" `5 r7 b - 辅助直线1.Delete/ B& O% I9 N0 B6 M
- 辅助直线2数组(0).Delete# C. Q( {7 j, q
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- End With
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