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McDbEllipse::McDbEllipse 构造函数 (McGePoint3d&, McGeVector3d&, McGeVector3d&, double, double, double)
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构造函数
McDbEllipse(const McGePoint3d& center, const McGeVector3d& unitNormal, const McGeVector3d& majorAxis, double radiusRatio, double startAngle = 0.0, double endAngle = 6.283185307179586476925286766559000);
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参数 |
说明 |
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const McGePoint3d& center |
椭圆的圆心 |
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const McGeVector3d& unitNormal |
暂没有使用 |
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const McGeVector3d& majorAxis |
椭圆的主轴向量 |
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double startAngle = 0.0 |
椭圆弧开点位置顺时针转到主轴的角度 |
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double endAngle = 6.283185307179586476925286766559000 |
椭圆弧结束点位置顺时针转到主轴的角度 |
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radiusRation |
椭圆的副轴长与主轴长的比值 |