/// <summary>
/// Reads Geometry from the reader.
/// </summary>
/// <param name="reader">The reader used to read data from input stream.</param>
/// <returns>Geometry read from the input.</returns>
private static Geometry ReadGeometry(BinaryReader reader)
{
WkbGeometryType geometryType = (WkbGeometryType)reader.ReadUInt32();
bool is3D, isMeasured;
WkbGeometryType basicType;
WkbReader.GetGeometryTypeDetails(geometryType, out basicType, out is3D, out isMeasured);
switch (basicType)
{
case WkbGeometryType.Point: return(WkbReader.ReadPoint(reader, is3D, isMeasured));
case WkbGeometryType.LineString: return(WkbReader.ReadLineString(reader, is3D, isMeasured));
case WkbGeometryType.Polygon: return(WkbReader.ReadPolygon(reader, is3D, isMeasured));
case WkbGeometryType.MultiPoint: return(WkbReader.ReadMultiPoint(reader, is3D, isMeasured));
case WkbGeometryType.MultiLineString: return(WkbReader.ReadMultiLineString(reader, is3D, isMeasured));
case WkbGeometryType.MultiPolygon: return(WkbReader.ReadMultiPolygon(reader, is3D, isMeasured));
case WkbGeometryType.GeometryCollection: return(WkbReader.ReadGeometryCollection(reader, is3D, isMeasured));
default: throw new WkbFormatException("Unknown geometry type.");
}
}
/// <summary>
/// Reads MultiLineString from the reader.
/// </summary>
/// <param name="reader">The reader used to read data from input stream.</param>
/// <param name="is3D">bool value indicating whether multilinestring beeing read has Z-dimension.</param>
/// <param name="isMeasured">bool value indicating whether multilinestring beeing read has M-value.</param>
/// <returns>MultiLineString read from the input</returns>
private static MultiLineString ReadMultiLineString(BinaryReader reader, bool is3D, bool isMeasured)
{
int pointsCount = (int)reader.ReadUInt32();
MultiLineString result = new MultiLineString();
for (int i = 0; i < pointsCount; i++)
{
result.Geometries.Add(WkbReader.ReadLineString(reader, is3D, isMeasured));
}
return(result);
}
