public static IPolyLine2D Convert(this Polyline source)
{
var target = new PolyLine2D(source.Segments.Count);
foreach (var s in source.Segments)
{
ISegment2D segment = null;
switch (s.Type)
{
case SegmentType.StartPoint:
target.StartPoint = new Point(s.Parameters[0], s.Parameters[1]);
continue;
case SegmentType.Line:
segment = new LineSegment2D(new Point(s.Parameters[0], s.Parameters[1]));
break;
case SegmentType.CircArc3Points:
segment = new CircularArcSegment2D(new Point(s.Parameters[0], s.Parameters[1]), new Point(s.Parameters[2], s.Parameters[3]));
break;
}
target.Segments.Add(segment);
}
return(target);
}
private static ISegment2D ConvertTo2D(ISegment3D segment3D)
{
if (segment3D.SegmentType == SegmentType.Line)
{
LineSegment2D lineSegment2D = new LineSegment2D(new Point(segment3D.EndPoint.X, segment3D.EndPoint.Y));
return(lineSegment2D);
}
else if (segment3D.SegmentType == SegmentType.CircularArc)
{
CircularArcSegment2D arcSegment2D = new CircularArcSegment2D(new Point(segment3D.EndPoint.X, segment3D.EndPoint.Y), new Point((segment3D as IArcSegment3D).IntermedPoint.X, (segment3D as IArcSegment3D).IntermedPoint.Y));
return(arcSegment2D);
}
return(null);
}
