private SpheroidProjectionBase CreateObliqueStereographic(ProjectionCompilationParams opData)
{
Contract.Requires(opData != null);
var originLatParam = new LatitudeOfNaturalOriginParameterSelector();
var originLonParam = new LongitudeOfNaturalOriginParameterSelector();
var offsetXParam = new FalseEastingParameterSelector();
var offsetYParam = new FalseNorthingParameterSelector();
var scaleFactorParam = new ScaleFactorParameterSelector();
opData.ParameterLookup.Assign(originLatParam, originLonParam, offsetXParam, offsetYParam, scaleFactorParam);
var spheroid = opData.StepParams.ConvertRelatedOutputSpheroidUnit(opData.StepParams.RelatedOutputCrsUnit);
if (null == spheroid)
return null;
GeographicCoordinate origin;
if (!(originLatParam.IsSelected || originLonParam.IsSelected) || !TryCreateGeographicCoordinate(originLatParam.Selection, originLonParam.Selection, out origin))
origin = GeographicCoordinate.Zero;
Vector2 offset;
if (!(offsetXParam.IsSelected || offsetYParam.IsSelected) || !TryCreateVector2(offsetXParam.Selection, offsetYParam.Selection, opData.StepParams.RelatedOutputCrsUnit, out offset))
offset = Vector2.Zero;
double scaleFactor;
if (scaleFactorParam.IsSelected && TryGetDouble(scaleFactorParam.Selection, ScaleUnitUnity.Value, out scaleFactor))
return new ObliqueStereographic(origin, scaleFactor, offset, spheroid);
return null;
}
private SpheroidProjectionBase CreateLambertAzimuthalEqualArea(ProjectionCompilationParams opData)
{
Contract.Requires(opData != null);
var originLatParam = new LatitudeOfNaturalOriginParameterSelector();
var originLonParam = new LongitudeOfNaturalOriginParameterSelector();
var offsetXParam = new FalseEastingParameterSelector();
var offsetYParam = new FalseNorthingParameterSelector();
opData.ParameterLookup.Assign(originLatParam, originLonParam, offsetXParam, offsetYParam);
var spheroid = opData.StepParams.ConvertRelatedOutputSpheroidUnit(opData.StepParams.RelatedOutputCrsUnit);
if (null == spheroid)
return null;
GeographicCoordinate origin;
if (!originLatParam.IsSelected || !originLonParam.IsSelected || !TryCreateGeographicCoordinate(originLatParam.Selection, originLonParam.Selection, out origin))
origin = GeographicCoordinate.Zero;
Vector2 offset;
if (!offsetXParam.IsSelected || !offsetYParam.IsSelected || !TryCreateVector2(offsetXParam.Selection, offsetYParam.Selection, out offset))
offset = Vector2.Zero;
var spherical = _coordinateOperationNameComparer.Normalize(opData.OperationName).EndsWith("SPHERICAL");
if (spherical)
return new LambertAzimuthalEqualAreaSpherical(origin, offset, spheroid);
if (Math.Abs(origin.Latitude - (Math.PI / 2.0)) < 0.00000001)
return new LambertAzimuthalEqualAreaPolar(origin, offset, spheroid); // N
if (Math.Abs(origin.Latitude - (Math.PI / -2.0)) < 0.00000001)
return new LambertAzimuthalEqualAreaPolar(origin, offset, spheroid); // S
return new LambertAzimuthalEqualAreaOblique(origin, offset, spheroid);
}
private SpheroidProjectionBase CreateEquidistantCylindrical(ProjectionCompilationParams opData)
{
Contract.Requires(opData != null);
var originLatParam = new KeywordNamedParameterSelector("LAT", "PARALLEL");
var originLonParam = new LongitudeOfNaturalOriginParameterSelector();
var offsetXParam = new FalseEastingParameterSelector();
var offsetYParam = new FalseNorthingParameterSelector();
opData.ParameterLookup.Assign(originLatParam, originLonParam, offsetXParam, offsetYParam);
var spheroid = opData.StepParams.ConvertRelatedOutputSpheroidUnit(opData.StepParams.RelatedOutputCrsUnit);
if (null == spheroid)
return null;
GeographicCoordinate origin;
if (!originLatParam.IsSelected || !originLonParam.IsSelected || !TryCreateGeographicCoordinate(originLatParam.Selection, originLonParam.Selection, out origin))
origin = GeographicCoordinate.Zero;
Vector2 offset;
if (!offsetXParam.IsSelected || !offsetYParam.IsSelected || !TryCreateVector2(offsetXParam.Selection, offsetYParam.Selection, out offset))
offset = Vector2.Zero;
// ReSharper disable CompareOfFloatsByEqualityOperator
var spherical = _coordinateOperationNameComparer.Normalize(opData.OperationName).EndsWith("SPHERICAL")
|| spheroid.E == 0;
// ReSharper restore CompareOfFloatsByEqualityOperator
return spherical
? (SpheroidProjectionBase)new EquidistantCylindricalSpherical(origin, offset, spheroid)
: new EquidistantCylindrical(origin, offset, spheroid);
}
private ITransformation<GeographicCoordinate, Point2> CreateCassiniSoldner(ProjectionCompilationParams opData)
{
Contract.Requires(opData != null);
var originLatParam = new LatitudeOfNaturalOriginParameterSelector();
var originLonParam = new LongitudeOfNaturalOriginParameterSelector();
var offsetXParam = new FalseEastingParameterSelector();
var offsetYParam = new FalseNorthingParameterSelector();
opData.ParameterLookup.Assign(originLatParam, originLonParam, offsetXParam, offsetYParam);
var spheroid = opData.StepParams.ConvertRelatedOutputSpheroidUnit(opData.StepParams.RelatedOutputCrsUnit);
if (null == spheroid)
return null;
GeographicCoordinate origin;
if (!(originLatParam.IsSelected || originLonParam.IsSelected) || !TryCreateGeographicCoordinate(originLatParam.Selection, originLonParam.Selection, out origin))
origin = GeographicCoordinate.Zero;
Vector2 offset;
if (!(offsetXParam.IsSelected || offsetYParam.IsSelected) || !TryCreateVector2(offsetXParam.Selection, offsetYParam.Selection, opData.StepParams.RelatedOutputCrsUnit, out offset))
offset = Vector2.Zero;
return new CassiniSoldner(origin, offset, spheroid);
}
private static PopularVisualizationPseudoMercator CreatePopularVisualisationPseudoMercator(ProjectionCompilationParams opData)
{
Contract.Requires(opData != null);
var originLatParam = new LatitudeOfNaturalOriginParameterSelector();
var originLonParam = new LongitudeOfNaturalOriginParameterSelector();
var offsetXParam = new FalseEastingParameterSelector();
var offsetYParam = new FalseNorthingParameterSelector();
if (!opData.ParameterLookup.Assign(originLatParam, originLonParam, offsetXParam, offsetYParam))
return null;
var spheroid = opData.StepParams.ConvertRelatedOutputSpheroidUnit(opData.StepParams.RelatedOutputCrsUnit);
if (null == spheroid)
return null;
GeographicCoordinate origin;
Vector2 offset;
TryCreateGeographicCoordinate(originLatParam.Selection, originLonParam.Selection, out origin);
TryCreateVector2(offsetXParam.Selection, offsetYParam.Selection, out offset);
return new PopularVisualizationPseudoMercator(origin, offset, spheroid);
}
private static SpheroidProjectionBase CreateLambertCylindricalEqualAreaSpherical(ProjectionCompilationParams opData)
{
Contract.Requires(opData != null);
var originLatParam = new MultiParameterSelector(
new LatitudeOfNaturalOriginParameterSelector(),
new StandardParallelParameterSelector());
var originLonParam = new LongitudeOfNaturalOriginParameterSelector();
var offsetXParam = new FalseEastingParameterSelector();
var offsetYParam = new FalseNorthingParameterSelector();
opData.ParameterLookup.Assign(originLatParam, originLonParam, offsetXParam, offsetYParam);
var spheroid = opData.StepParams.ConvertRelatedOutputSpheroidUnit(opData.StepParams.RelatedOutputCrsUnit);
if (null == spheroid)
return null;
GeographicCoordinate origin;
if (!(originLatParam.IsSelected || originLonParam.IsSelected) || !TryCreateGeographicCoordinate(originLatParam.Selection, originLonParam.Selection, out origin))
origin = GeographicCoordinate.Zero;
Vector2 offset;
if (!(offsetXParam.IsSelected || offsetYParam.IsSelected) || !TryCreateVector2(offsetXParam.Selection, offsetYParam.Selection, opData.StepParams.RelatedOutputCrsUnit, out offset))
offset = Vector2.Zero;
return new LambertCylindricalEqualAreaSpherical(origin, offset, spheroid);
}