private double GetDeltaValueForComparisons(
CoordinateReferenceSystemUnit coordinateReferenceSystemUnit,
int epsgNumberUsedOnlyInErrorMessage
) {
if(coordinateReferenceSystemUnit == CoordinateReferenceSystemUnit.DEGREES) {
return DELTA_VALUE_FOR_COMPARISONS_WITH_UNIT_DEGREES;
}
else if(coordinateReferenceSystemUnit == CoordinateReferenceSystemUnit.METERS) {
return DELTA_VALUE_FOR_COMPARISONS_WITH_UNIT_METER;
}
else { // if(coordinateReferenceSystemUnit == CoordinateReferenceSystemUnit.UNKNOWN) {
throw new ArgumentException("Not supported epsg number: " + epsgNumberUsedOnlyInErrorMessage);
}
}
private double GetDeltaValueForComparisons(
int epsgNumber
) {
CoordinateReferenceSystemUnit coordinateReferenceSystemUnit = CoordinateReferenceSystemUnit.UNKNOWN;
if(epsgNumber == epsgNumberForWgs84) {
coordinateReferenceSystemUnit = CoordinateReferenceSystemUnit.DEGREES;
}
// sweref : 3006 - 3018
// RT90 : 3019 - 3024
else if( // if(epsgNumber >= 3006 && epsgNumber <= 3024)
lowerEpsgIntervalForSwedishProjectionsUsingMeterAsUnit <= epsgNumber
&&
epsgNumber <= upperEpsgIntervalForSwedishProjectionsUsingMeterAsUnit
) {
coordinateReferenceSystemUnit = CoordinateReferenceSystemUnit.METERS;
}
return GetDeltaValueForComparisons(coordinateReferenceSystemUnit, epsgNumber);
}