private static StaticCoordinateOperationCompiler.StepCompilationResult CreateHelmertStep(TransformationCompilationParams opData, Helmert7Transformation helmert)
{
Contract.Requires(opData != null);
Contract.Requires(helmert != null);
if (opData.StepParams.RelatedInputCrs is ICrsGeocentric && opData.StepParams.RelatedOutputCrs is ICrsGeocentric)
{
return(new StaticCoordinateOperationCompiler.StepCompilationResult(
opData.StepParams,
opData.StepParams.RelatedOutputCrsUnit ?? opData.StepParams.RelatedInputCrsUnit ?? opData.StepParams.InputUnit,
helmert));
}
var spheroidFrom = ExtractSpheroid(opData.StepParams.RelatedInputCrs) ?? ExtractSpheroid(opData.StepParams.RelatedOutputCrs);
if (null == spheroidFrom)
{
return(null);
}
var spheroidTo = ExtractSpheroid(opData.StepParams.RelatedOutputCrs) ?? spheroidFrom;
ITransformation transformation = new GeocentricTransformationGeographicWrapper(spheroidFrom, spheroidTo, helmert);
var unitConversion = StaticCoordinateOperationCompiler.CreateCoordinateUnitConversion(opData.StepParams.InputUnit, OgcAngularUnit.DefaultRadians);
if (null != unitConversion)
{
transformation = new ConcatenatedTransformation(new[] { unitConversion, transformation });
}
return(new StaticCoordinateOperationCompiler.StepCompilationResult(
opData.StepParams,
OgcAngularUnit.DefaultRadians,
transformation));
}
private static StaticCoordinateOperationCompiler.StepCompilationResult CreateGeographicTopocentric(TransformationCompilationParams opData)
{
Contract.Requires(opData != null);
var outputUnit = opData.StepParams.RelatedOutputCrsUnit;
if (null == outputUnit)
{
return(null);
}
var latParam = new KeywordNamedParameterSelector("LAT");
var lonParam = new KeywordNamedParameterSelector("LON");
var hParam = new KeywordNamedParameterSelector("H");
opData.ParameterLookup.Assign(latParam, lonParam, hParam);
GeographicHeightCoordinate origin;
if (!TryCreateGeographicHeightCoordinate(latParam.Selection, lonParam.Selection, hParam.Selection, OgcAngularUnit.DefaultRadians, opData.StepParams.RelatedOutputCrsUnit, out origin))
{
origin = GeographicHeightCoordinate.Zero;
}
var spheroidIn = opData.StepParams.ConvertRelatedInputSpheroidUnit(outputUnit);
if (null == spheroidIn)
{
return(null);
}
var spheroidOut = opData.StepParams.ConvertRelatedOutputSpheroidUnit(outputUnit);
if (null == spheroidOut)
{
return(null);
}
var geographicGeocentric = new GeographicGeocentricTransformation(spheroidIn);
var topocentricOrigin = geographicGeocentric.TransformValue(origin);
var transformations = new List <ITransformation>()
{
geographicGeocentric,
new GeocentricTopocentricTransformation(topocentricOrigin, spheroidOut)
};
var inputUnitConversion = StaticCoordinateOperationCompiler.CreateCoordinateUnitConversion(opData.StepParams.InputUnit, OgcAngularUnit.DefaultRadians);
if (null != inputUnitConversion)
{
transformations.Insert(0, inputUnitConversion);
}
return(new StaticCoordinateOperationCompiler.StepCompilationResult(
opData.StepParams,
outputUnit,
new ConcatenatedTransformation(transformations)
));
}
private StaticCoordinateOperationCompiler.StepCompilationResult CompileInverse(StaticCoordinateOperationCompiler.StepCompilationParameters stepParameters)
{
Contract.Requires(stepParameters != null);
if (!stepParameters.CoordinateOperationInfo.IsInverseOfDefinition || !stepParameters.CoordinateOperationInfo.HasInverse)
{
return(null);
}
var inverseOperationInfo = stepParameters.CoordinateOperationInfo.GetInverse();
if (null == inverseOperationInfo)
{
return(null);
}
var expectedOutputUnits = stepParameters.RelatedOutputCrsUnit
?? stepParameters.RelatedInputCrsUnit
?? stepParameters.InputUnit;
var forwardCompiledStep = CompileForwardToTransform(new StaticCoordinateOperationCompiler.StepCompilationParameters(
inverseOperationInfo,
expectedOutputUnits,
stepParameters.RelatedOutputCrs,
stepParameters.RelatedInputCrs
));
if (null == forwardCompiledStep)
{
return(null);
}
var forwardCompiledOperation = forwardCompiledStep.Transformation;
if (!forwardCompiledOperation.HasInverse)
{
return(null);
}
var inverseCompiledOperation = forwardCompiledOperation.GetInverse();
var resultTransformation = inverseCompiledOperation;
// make sure that the input units are correct
var unitConversion = StaticCoordinateOperationCompiler.CreateCoordinateUnitConversion(stepParameters.InputUnit, forwardCompiledStep.OutputUnit);
if (null != unitConversion)
{
resultTransformation = new ConcatenatedTransformation(new[] { unitConversion, resultTransformation });
}
return(new StaticCoordinateOperationCompiler.StepCompilationResult(
stepParameters,
expectedOutputUnits,
resultTransformation
));
}
private static StaticCoordinateOperationCompiler.StepCompilationResult CreateGeocentricTranslation(TransformationCompilationParams opData)
{
Contract.Requires(opData != null);
var xParam = new KeywordNamedParameterSelector("XAXIS", "X");
var yParam = new KeywordNamedParameterSelector("YAXIS", "Y");
var zParam = new KeywordNamedParameterSelector("ZAXIS", "Z");
opData.ParameterLookup.Assign(xParam, yParam, zParam);
Vector3 delta;
if (!TryCreateVector3(xParam.Selection, yParam.Selection, zParam.Selection, out delta))
{
return(null);
}
if (opData.StepParams.RelatedInputCrs is ICrsGeocentric && opData.StepParams.RelatedOutputCrs is ICrsGeocentric)
{
// assume the units are correct
return(new StaticCoordinateOperationCompiler.StepCompilationResult(
opData.StepParams,
opData.StepParams.RelatedOutputCrsUnit ?? opData.StepParams.RelatedInputCrsUnit ?? opData.StepParams.InputUnit,
new GeocentricTranslation(delta)));
}
// TODO: need to handle unit here
var inputSpheroid = opData.StepParams.RelatedInputSpheroid;
if (null == inputSpheroid)
{
return(null);
}
// TODO: may even need to convert units while translating
// TODO: need to handle unit here
var outputSpheroid = opData.StepParams.RelatedOutputSpheroid;
if (null == outputSpheroid)
{
return(null);
}
ITransformation transformation = new GeographicGeocentricTranslation(inputSpheroid, delta, outputSpheroid);
var conv = StaticCoordinateOperationCompiler.CreateCoordinateUnitConversion(opData.StepParams.InputUnit, OgcAngularUnit.DefaultRadians);
if (null != conv)
{
transformation = new ConcatenatedTransformation(new[] { conv, transformation });
}
return(new StaticCoordinateOperationCompiler.StepCompilationResult(
opData.StepParams,
OgcAngularUnit.DefaultRadians,
transformation));
}
private static StaticCoordinateOperationCompiler.StepCompilationResult CreateTunisiaMiningGrid(TransformationCompilationParams opData)
{
Contract.Requires(opData != null);
ITransformation transformation = new TunisiaMiningGrid();
var conv = StaticCoordinateOperationCompiler.CreateCoordinateUnitConversion(opData.StepParams.InputUnit, OgcAngularUnit.DefaultGrads);
if (null != conv)
{
transformation = new ConcatenatedTransformation(new[] { conv, transformation });
}
return(new StaticCoordinateOperationCompiler.StepCompilationResult(
opData.StepParams,
OgcLinearUnit.DefaultKilometer,
transformation));
}
private static StaticCoordinateOperationCompiler.StepCompilationResult CreateMadridToEd50Polynomial(TransformationCompilationParams opData)
{
Contract.Requires(opData != null);
var a0Param = new FullMatchParameterSelector("A0");
var a1Param = new FullMatchParameterSelector("A1");
var a2Param = new FullMatchParameterSelector("A2");
var a3Param = new FullMatchParameterSelector("A3");
var b00Param = new FullMatchParameterSelector("B00");
var b0Param = new FullMatchParameterSelector("B0");
var b1Param = new FullMatchParameterSelector("B1");
var b2Param = new FullMatchParameterSelector("B2");
var b3Param = new FullMatchParameterSelector("B3");
opData.ParameterLookup.Assign(a0Param, a1Param, a2Param, a3Param, b00Param, b0Param, b1Param, b2Param, b3Param);
double a0, a1, a2, a3, b00, b0, b1, b2, b3;
TryGetCoefficientValue(a0Param.Selection, out a0);
TryGetCoefficientValue(a1Param.Selection, out a1);
TryGetCoefficientValue(a2Param.Selection, out a2);
TryGetCoefficientValue(a3Param.Selection, out a3);
TryGetCoefficientValue(b00Param.Selection, out b00);
TryGetCoefficientValue(b0Param.Selection, out b0);
TryGetCoefficientValue(b1Param.Selection, out b1);
TryGetCoefficientValue(b2Param.Selection, out b2);
TryGetCoefficientValue(b3Param.Selection, out b3);
ITransformation transformation = new MadridEd50Polynomial(a0, a1, a2, a3, b00, b0, b1, b2, b3);
var conv = StaticCoordinateOperationCompiler.CreateCoordinateUnitConversion(opData.StepParams.InputUnit, OgcAngularUnit.DefaultDegrees);
if (null != conv)
{
transformation = new ConcatenatedTransformation(new[] { conv, transformation });
}
return(new StaticCoordinateOperationCompiler.StepCompilationResult(
opData.StepParams,
OgcAngularUnit.DefaultDegrees,
transformation));
}
private static StaticCoordinateOperationCompiler.StepCompilationResult CreateMolodenskyBadekas(TransformationCompilationParams opData)
{
Contract.Requires(opData != null);
var xTransParam = new KeywordNamedParameterSelector("XAXIS", "TRANS");
var yTransParam = new KeywordNamedParameterSelector("YAXIS", "TRANS");
var zTransParam = new KeywordNamedParameterSelector("ZAXIS", "TRANS");
var xRotParam = new KeywordNamedParameterSelector("XAXIS", "ROT");
var yRotParam = new KeywordNamedParameterSelector("YAXIS", "ROT");
var zRotParam = new KeywordNamedParameterSelector("ZAXIS", "ROT");
var scaleParam = new KeywordNamedParameterSelector("SCALE");
var ord1Param = new KeywordNamedParameterSelector("ORDINATE1");
var ord2Param = new KeywordNamedParameterSelector("ORDINATE2");
var ord3Param = new KeywordNamedParameterSelector("ORDINATE3");
if (!opData.ParameterLookup.Assign(xTransParam, yTransParam, zTransParam, xRotParam, yRotParam, zRotParam, scaleParam, ord1Param, ord2Param, ord3Param))
{
return(null);
}
Vector3 translation, rotation;
Point3 ordinate;
double scale;
if (!TryCreateVector3(xTransParam.Selection, yTransParam.Selection, zTransParam.Selection, out translation))
{
return(null);
}
if (!TryCreateVector3(xRotParam.Selection, yRotParam.Selection, zRotParam.Selection, OgcAngularUnit.DefaultRadians, out rotation))
{
return(null);
}
if (!TryCreatePoint3(ord1Param.Selection, ord2Param.Selection, ord3Param.Selection, out ordinate))
{
return(null);
}
if (!NamedParameter.TryGetDouble(scaleParam.Selection, out scale))
{
return(null);
}
var molodensky = new MolodenskyBadekasTransformation(translation, rotation, ordinate, scale);
if (opData.StepParams.RelatedInputCrs is ICrsGeocentric && opData.StepParams.RelatedOutputCrs is ICrsGeocentric)
{
return(new StaticCoordinateOperationCompiler.StepCompilationResult(
opData.StepParams,
opData.StepParams.RelatedOutputCrsUnit ?? opData.StepParams.RelatedInputCrsUnit ?? opData.StepParams.InputUnit,
molodensky));
}
// TODO: need to handle units here
var spheroidFrom = opData.StepParams.RelatedInputSpheroid;
if (null == spheroidFrom)
{
return(null);
}
// TODO: need to handle units here
var spheroidTo = opData.StepParams.RelatedOutputSpheroid;
if (null == spheroidTo)
{
return(null);
}
ITransformation transformation = new GeocentricTransformationGeographicWrapper(spheroidFrom, spheroidTo, molodensky);
var conv = StaticCoordinateOperationCompiler.CreateCoordinateUnitConversion(opData.StepParams.InputUnit, OgcAngularUnit.DefaultRadians);
if (null != conv)
{
transformation = new ConcatenatedTransformation(new[] { conv, transformation });
}
return(new StaticCoordinateOperationCompiler.StepCompilationResult(
opData.StepParams,
OgcAngularUnit.DefaultRadians,
transformation));
}