static public IGeometry SqlBytesToGeometry(SqlBytes sqlbytes)
{
try
{
GeometryDef geomDef = new GeometryDef();
geomDef.HasZ = geomDef.HasM = false;
using (BinaryReader r = new BinaryReader(new MemoryStream()))
{
r.BaseStream.Write(sqlbytes.Buffer, 0, sqlbytes.Buffer.Length);
r.BaseStream.Position = 0;
switch ((geometryType)r.ReadInt32())
{
case geometryType.Aggregate:
AggregateGeometry ageom = new AggregateGeometry();
ageom.Deserialize(r, geomDef);
return(ageom);
case geometryType.Envelope:
Envelope env = new Envelope();
env.Deserialize(r, geomDef);
return(env);
case geometryType.Multipoint:
MultiPoint mp = new MultiPoint();
mp.Deserialize(r, geomDef);
return(mp);
case geometryType.Point:
Point p = new Point();
p.Deserialize(r, geomDef);
return(p);
case geometryType.Polygon:
Polygon polygon = new Polygon();
polygon.Deserialize(r, geomDef);
return(polygon);
case geometryType.Polyline:
Polyline line = new Polyline();
line.Deserialize(r, geomDef);
return(line);
default:
return(null);
}
}
}
catch
{
return(null);
}
}
