internal static CoordinateSystemBase Create(ICoordinateSystem coordSys)
{
CoordinateSystemBase csb = null;
try
{
//This fails because the XY-M projection is not supported
csb = new ActualCoordinateSystem(coordSys);
}
catch { }
if (csb == null && coordSys != null)
{
IUnit unit = coordSys.GetUnits(0);
var au = unit as IAngularUnit;
var lu = unit as ILinearUnit;
if (au != null)
{
double radians = au.RadiansPerUnit;
csb = new DegreeBasedCoordinateSystem();
}
else if (lu != null)
{
csb = new MeterBasedCoordinateSystem(lu.MetersPerUnit, lu.MetersPerUnit);
}
}
if (csb == null)
{
csb = new MeterBasedCoordinateSystem();
}
return(csb);
}
/// <summary>
/// Gets the coordinate system for the given well-known text
/// </summary>
/// <param name="wkt"></param>
/// <returns></returns>
public virtual ICoordinateSystemRef CreateCoordinateSystem(string wkt)
{
var cs = CoordinateSystemBase.Create(wkt);
return(new CSRef(cs));
}
public CSRef(CoordinateSystemBase cs)
{
_cs = cs;
}
