void WriteArc(ArcGeometry line)
{
IPointGeometry center = line.Circle.Center;
double bcAngle = GetAngle(center, line.BC);
double ecAngle = GetAngle(center, line.EC);
Arc acLine = new Arc();
acLine.Center = new Vector3d(center.X, center.Y, 0.0);
acLine.Radius = line.Circle.Radius;
// AutoCad arcs are *always* drawn counter-clockwise
if (line.IsClockwise)
{
acLine.StartAngle = ecAngle;
acLine.EndAngle = bcAngle;
}
else
{
acLine.StartAngle = bcAngle;
acLine.EndAngle = ecAngle;
}
acLine.Layer = m_Layer;
m_Dxf.AddEntity(acLine);
}
// Should try to get rid of this...
protected void ChangeGeometry(ArcGeometry arc)
{
m_Geom = arc;
}
/// <summary>
/// Initializes a new instance of the <see cref="ArcFeature"/> class, and records it
/// as part of the map model.
/// </summary>
/// <param name="f">Basic information about the feature (not null).</param>
/// <param name="g">The geometry for the line (could be null, although this is only really
/// expected during deserialization)</param>
/// <exception cref="ArgumentNullException">If <paramref name="f"/> is null.</exception>
internal ArcFeature(IFeature f, PointFeature bc, PointFeature ec, ArcGeometry g, bool isTopological)
: base(f, bc, ec, g, isTopological)
{
}