/// <summary>Starts the call sequence for the specified <see cref="GeometryType" />.</summary>
/// <param name="type">The type of the geometry to build.</param>
public override void BeginGeometry(GeometryType type)
{
if (_Geometry!=null)
{
_Geometry.BeginGeometry(type);
return;
}
switch (type)
{
case GeometryType.GeometryCollection:
_Geometry=new MultiGeometry();
break;
case GeometryType.LineString:
_Geometry=new LineString();
break;
case GeometryType.MultiLineString:
_Geometry=new MultiLineString();
break;
case GeometryType.MultiPoint:
_Geometry=new MultiPoint();
break;
case GeometryType.MultiPolygon:
_Geometry=new MultiPolygon();
break;
case GeometryType.Point:
_Geometry=new Point();
break;
case GeometryType.Polygon:
_Geometry=new Polygon();
break;
}
if (_Geometry==null)
throw new NotSupportedException(
string.Format(
CultureInfo.CurrentCulture,
SR.UnsupportedGeometryTypeException,
type
)
);
_Geometry.CoordinateSystem=TargetSystem;
}
internal override void BeginFigure(double x, double y, double? z)
{
var p=new Polygon();
p.BeginFigure(x, y, z);
polygonMember.Add(new polygonMember() { Polygon=p });
}