public static GeometryType Convert(SqlTypes.OpenGisGeographyType type)
{
switch (type)
{
case SqlTypes.OpenGisGeographyType.GeometryCollection:
return GeometryType.GeometryCollection;
case SqlTypes.OpenGisGeographyType.LineString:
return GeometryType.LineString;
case SqlTypes.OpenGisGeographyType.MultiLineString:
return GeometryType.MultiLineString;
case SqlTypes.OpenGisGeographyType.MultiPoint:
return GeometryType.MultiPoint;
case SqlTypes.OpenGisGeographyType.MultiPolygon:
return GeometryType.MultiPolygon;
case SqlTypes.OpenGisGeographyType.Point:
return GeometryType.Point;
case SqlTypes.OpenGisGeographyType.Polygon:
return GeometryType.Polygon;
}
throw new NotSupportedException(
string.Format(
CultureInfo.CurrentCulture,
SR.UnsupportedGeometryTypeException,
type
)
);
}
internal SqlGeography(SqlTypes.SqlGeography sg, ICoordinateSystem coordinateSystem)
{
Debug.Assert(sg!=null);
if (sg==null)
throw new ArgumentNullException("sg");
_Geography=sg;
_CoordinateSystem=coordinateSystem;
}
/// <summary>Creates a new instance of the <see cref="SqlGeometry" /> class.</summary>
public SqlGeography(SqlTypes.SqlGeography sg) :
this(sg, null)
{
}
public void BeginGeography(SqlTypes.OpenGisGeographyType type)
{
_Sink.BeginGeometry(GeometryTypeUtils.Convert(type));
}
/// <summary>Creates a new instance of the <see cref="SqlGeometry" /> class.</summary>
public SqlGeometry(SqlTypes.SqlGeometry sg):
this(sg, null)
{
}
void SqlTypes.IGeometrySink.BeginGeometry(SqlTypes.OpenGisGeometryType type)
{
BeginGeometry(GeometryTypeUtils.Convert(type));
}
