private static ICoordinateTransformation Geog2Proj(IGeographicCoordinateSystem source, IProjectedCoordinateSystem target)
{
if (source.EqualParams(target.GeographicCoordinateSystem))
{
return(new CoordinateTransformation(source, target, TransformType.Transformation, CreateCoordinateOperation(target.Projection, target.GeographicCoordinateSystem.HorizontalDatum.Ellipsoid), string.Empty, string.Empty, -1L, string.Empty, string.Empty));
}
ConcatenatedTransform mathTransform = new ConcatenatedTransform();
CoordinateTransformationFactory factory = new CoordinateTransformationFactory();
mathTransform.CoordinateTransformationList.Add(factory.CreateFromCoordinateSystems(source, target.GeographicCoordinateSystem));
mathTransform.CoordinateTransformationList.Add(factory.CreateFromCoordinateSystems(target.GeographicCoordinateSystem, target));
return(new CoordinateTransformation(source, target, TransformType.Transformation, mathTransform, string.Empty, string.Empty, -1L, string.Empty, string.Empty));
}
private static ICoordinateTransformation Geog2Proj(IGeographicCoordinateSystem source, IProjectedCoordinateSystem target)
{
if (source.EqualParams(target.GeographicCoordinateSystem))
{
IMathTransform mathTransform = CreateCoordinateOperation(target.Projection, target.GeographicCoordinateSystem.HorizontalDatum.Ellipsoid, target.LinearUnit);
return(new CoordinateTransformation(source, target, TransformType.Transformation, mathTransform,
String.Empty, String.Empty, -1, String.Empty, String.Empty));
}
else
{
// Geographic coordinatesystems differ - Create concatenated transform
ConcatenatedTransform ct = new ConcatenatedTransform();
CoordinateTransformationFactory ctFac = new CoordinateTransformationFactory();
ct.CoordinateTransformationList.Add(ctFac.CreateFromCoordinateSystems(source, target.GeographicCoordinateSystem));
ct.CoordinateTransformationList.Add(ctFac.CreateFromCoordinateSystems(target.GeographicCoordinateSystem, target));
return(new CoordinateTransformation(source,
target, TransformType.Transformation, ct,
String.Empty, String.Empty, -1, String.Empty, String.Empty));
}
}
private static ICoordinateTransformation Geog2Proj(IGeographicCoordinateSystem source, IProjectedCoordinateSystem target)
{
if (source.EqualParams(target.GeographicCoordinateSystem))
{
return new CoordinateTransformation(source, target, TransformType.Transformation, CreateCoordinateOperation(target.Projection, target.GeographicCoordinateSystem.HorizontalDatum.Ellipsoid), string.Empty, string.Empty, -1L, string.Empty, string.Empty);
}
ConcatenatedTransform mathTransform = new ConcatenatedTransform();
CoordinateTransformationFactory factory = new CoordinateTransformationFactory();
mathTransform.CoordinateTransformationList.Add(factory.CreateFromCoordinateSystems(source, target.GeographicCoordinateSystem));
mathTransform.CoordinateTransformationList.Add(factory.CreateFromCoordinateSystems(target.GeographicCoordinateSystem, target));
return new CoordinateTransformation(source, target, TransformType.Transformation, mathTransform, string.Empty, string.Empty, -1L, string.Empty, string.Empty);
}
private static ICoordinateTransformation Geog2Proj(IGeographicCoordinateSystem source, IProjectedCoordinateSystem target)
{
if (source.EqualParams(target.GeographicCoordinateSystem))
{
IMathTransform mathTransform = CreateCoordinateOperation(target.Projection, target.GeographicCoordinateSystem.HorizontalDatum.Ellipsoid, target.LinearUnit);
return new CoordinateTransformation(source, target, TransformType.Transformation, mathTransform,
String.Empty, String.Empty, -1, String.Empty, String.Empty);
}
else
{
// Geographic coordinatesystems differ - Create concatenated transform
ConcatenatedTransform ct = new ConcatenatedTransform();
CoordinateTransformationFactory ctFac = new CoordinateTransformationFactory();
ct.CoordinateTransformationList.Add(ctFac.CreateFromCoordinateSystems(source,target.GeographicCoordinateSystem));
ct.CoordinateTransformationList.Add(ctFac.CreateFromCoordinateSystems(target.GeographicCoordinateSystem, target));
return new CoordinateTransformation(source,
target, TransformType.Transformation, ct,
String.Empty, String.Empty, -1, String.Empty, String.Empty);
}
}
