AE绘制弧线

小菜鸟—AE开发

于 2019-08-15 15:44:13 发布

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分类专栏： AE二次开发

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AE绘制弧线

利用IConstructCircularArc构造弧线

IConstructCircularArc constructCircularArc = new CircularArcClass();
 ICircularArc circularArc = constructCircularArc as ICircularArc;
 constructCircularArc.ConstructEndPointsAngle(toPt, epnt, bIsColockWise, dAngle);

创建polyline对象

IPolyline pPolyline = new PolylineClass();
object objMissing = Type.Missing;
 (pPolyline as ISegmentCollection).AddSegment(circularArc as ISegment, ref objMissing, ref objMissing);

设置linesymbol的geometry属性

IElement pArcElement=new LineElementClass();
 pArcElement.Geometry = pPolyline as IGeometry;
 (m_App.ActiveView as IGraphicsContainer).AddElement(m_ArcElement, 0);