public void TransformToCoordinate_ShouldReturnFirstResult_WhenUsingFirstSuccessCompositeAdapter()
{
CrsTransformationAdapterComposite firstSuccessCompositeAdapter = crsTransformationAdapterCompositeFactory.CreateCrsTransformationFirstSuccess(allLeafAdapters);
CrsCoordinate resultCoordinate = firstSuccessCompositeAdapter.TransformToCoordinate(inputCoordinateSweref99, EpsgNumber.WORLD__WGS_84__4326);
Assert.IsNotNull(resultCoordinate);
// The assumption below (according to the setup code in the "before" method in this JUnit class)
// is that the first adapter in the above list allLeafAdapters will return the result outputCoordinateWgs84ForImplementation_1
Assert.AreEqual(
outputCoordinateWgs84ForImplementation_1.YNorthingLatitude,
resultCoordinate.YNorthingLatitude,
SMALL_DELTA_VALUE_FOR_COMPARISONS
);
Assert.AreEqual(
outputCoordinateWgs84ForImplementation_1.XEastingLongitude,
resultCoordinate.XEastingLongitude,
SMALL_DELTA_VALUE_FOR_COMPARISONS
);
AssertCompositeResultHasLeafSubResults(
firstSuccessCompositeAdapter,
1 // expectedNumberOfLeafResults
);
}
public void TransformToCoordinate_ShouldReturnWeightedAverageResult_WhenUsingWeightedAverageCompositeAdapter()
{
double[] weights = { 1, 2, 4, 5, 9 };
double totWeights = 0;
double totLats = 0;
double totLons = 0;
for (int i = 0; i < weights.Length; i++)
{
double weight = weights[i];
totWeights += weight;
CrsCoordinate coordinate = outputCoordinates[i];
totLats += weight * coordinate.YNorthingLatitude;
totLons += weight * coordinate.XEastingLongitude;
}
double weightedLat = totLats / totWeights;
double weightedLon = totLons / totWeights;
CrsCoordinate expectedWeightedAverage = CrsCoordinateFactory.CreateFromLatitudeLongitude(weightedLat, weightedLon);
List <CrsTransformationAdapterWeight> weightedAdapters = new List <CrsTransformationAdapterWeight> {
weightFactory.CreateFromInstance(leafAdapterImplementation_1, weights[0]),
weightFactory.CreateFromInstance(leafAdapterImplementation_2, weights[1]),
weightFactory.CreateFromInstance(leafAdapterImplementation_3, weights[2]),
weightFactory.CreateFromInstance(leafAdapterImplementation_4, weights[3]),
weightFactory.CreateFromInstance(leafAdapterImplementation_5, weights[4])
};
CrsTransformationAdapterComposite weightedAverageCompositeAdapter = crsTransformationAdapterCompositeFactory.CreateCrsTransformationWeightedAverage(weightedAdapters);
CrsCoordinate result = weightedAverageCompositeAdapter.TransformToCoordinate(inputCoordinateSweref99, EpsgNumber.WORLD__WGS_84__4326);
Assert.IsNotNull(result);
Assert.AreEqual(expectedWeightedAverage.YNorthingLatitude, result.YNorthingLatitude, SMALL_DELTA_VALUE_FOR_COMPARISONS);
Assert.AreEqual(expectedWeightedAverage.XEastingLongitude, result.XEastingLongitude, SMALL_DELTA_VALUE_FOR_COMPARISONS);
AssertCompositeResultHasLeafSubResults(
weightedAverageCompositeAdapter,
allLeafAdapters.Count
);
}
public void TransformToCoordinate_ShouldReturnMedianResult_WhenUsingMedianCompositeAdapter()
{
CrsTransformationAdapterComposite medianCompositeAdapter = crsTransformationAdapterCompositeFactory.CreateCrsTransformationMedian(allLeafAdapters);
CrsCoordinate resultCoordinate = medianCompositeAdapter.TransformToCoordinate(inputCoordinateSweref99, EpsgNumber.WORLD__WGS_84__4326);
Assert.IsNotNull(resultCoordinate);
Assert.AreEqual(
expectedMedianLatitude,
resultCoordinate.YNorthingLatitude,
SMALL_DELTA_VALUE_FOR_COMPARISONS
);
Assert.AreEqual(
expectedMedianLongitude,
resultCoordinate.XEastingLongitude,
SMALL_DELTA_VALUE_FOR_COMPARISONS
);
AssertCompositeResultHasLeafSubResults(
medianCompositeAdapter,
allLeafAdapters.Count // expectedNumberOfLeafResults
);
}
