public static bool TestHelper(string wkt)
{
PrecisionModel pm = new PrecisionModel(1, 0, 0);
GeometryFactory fact = new GeometryFactory(pm, 0);
//read wkt
Geometry a = new GeometryWKTReader(fact).Create(wkt);
//write wkb
FileStream fs = new FileStream("TestFile.wkb", FileMode.Create);
BinaryWriter bw = new BinaryWriter(fs);
GeometryWKBWriter bWriter = new GeometryWKBWriter(bw, fact);
bWriter.Write(a, WKBByteOrder.Ndr);
bw.Close();
fs.Close();
//read wkb
fs = new FileStream("TestFile.wkb", FileMode.Open);
byte[] bytes = new byte[fs.Length];
for (int i = 0; i < fs.Length; i++)
{
bytes[i] = (byte)fs.ReadByte();
}
GeometryWKBReader bReader = new GeometryWKBReader(fact);
Geometry geom = bReader.Create(bytes);
fs.Close();
//write to wkt & compare with original text.
bool results = (Compare.WktStrings(wkt, a.toText()));
return(results);
}
/// <summary>
/// Creates a new geometry object from a BinaryReader that contains well-known binary.
/// </summary>
/// <param name="bReader">The BinaryReader that contains well-known binary.</param>
/// <returns>A new geometry object.</returns>
public Geometry CreateFromWKB(BinaryReader bReader)
{
if (bReader == null)
{
throw new ArgumentNullException("bReader");
}
GeometryWKBReader wkbReader = new GeometryWKBReader(this);
return(wkbReader.Create(bReader));
}
/// <summary>
/// Converts a byte array in the WKB format to a geometry.
/// </summary>
/// <param name="wkb">A byte[] with the WKB in it.</param>
/// <returns>A Geometry.</returns>
public static Geometry WkbToGeometry(byte[] wkb)
{
if (wkb == null)
{
throw new ArgumentNullException("wkb");
}
GeometryFactory factory = new GeometryFactory();
GeometryWKBReader wkbReader = new GeometryWKBReader(factory);
Geometry geometry = wkbReader.Create(wkb);
return(geometry);
}
