Function buildSetEquivalentParameters

src/iso19111/operation/oputils.cpp:365–418

}

static std::set<std::string> buildSetEquivalentParameters() {

    std::set<std::string> set;

    const char *const listOfEquivalentParameterNames[][7] = {
        {"latitude_of_point_1", "Latitude_Of_1st_Point", nullptr},
        {"longitude_of_point_1", "Longitude_Of_1st_Point", nullptr},
        {"latitude_of_point_2", "Latitude_Of_2nd_Point", nullptr},
        {"longitude_of_point_2", "Longitude_Of_2nd_Point", nullptr},

        {"satellite_height", "height", nullptr},

        {EPSG_NAME_PARAMETER_FALSE_EASTING,
         EPSG_NAME_PARAMETER_EASTING_FALSE_ORIGIN,
         EPSG_NAME_PARAMETER_EASTING_PROJECTION_CENTRE, nullptr},

        {EPSG_NAME_PARAMETER_FALSE_NORTHING,
         EPSG_NAME_PARAMETER_NORTHING_FALSE_ORIGIN,
         EPSG_NAME_PARAMETER_NORTHING_PROJECTION_CENTRE, nullptr},

        {EPSG_NAME_PARAMETER_SCALE_FACTOR_AT_NATURAL_ORIGIN, WKT1_SCALE_FACTOR,
         EPSG_NAME_PARAMETER_SCALE_FACTOR_INITIAL_LINE,
         EPSG_NAME_PARAMETER_SCALE_FACTOR_PROJECTION_CENTRE,
         EPSG_NAME_PARAMETER_SCALE_FACTOR_PSEUDO_STANDARD_PARALLEL, nullptr},

        {WKT1_LATITUDE_OF_ORIGIN, WKT1_LATITUDE_OF_CENTER,
         EPSG_NAME_PARAMETER_LATITUDE_OF_NATURAL_ORIGIN,
         EPSG_NAME_PARAMETER_LATITUDE_FALSE_ORIGIN,
         EPSG_NAME_PARAMETER_LATITUDE_PROJECTION_CENTRE, "Central_Parallel",
         nullptr},

        {WKT1_CENTRAL_MERIDIAN, WKT1_LONGITUDE_OF_CENTER,
         EPSG_NAME_PARAMETER_LONGITUDE_OF_NATURAL_ORIGIN,
         EPSG_NAME_PARAMETER_LONGITUDE_FALSE_ORIGIN,
         EPSG_NAME_PARAMETER_LONGITUDE_PROJECTION_CENTRE,
         EPSG_NAME_PARAMETER_LONGITUDE_OF_ORIGIN, nullptr},

        {EPSG_NAME_PARAMETER_AZIMUTH_INITIAL_LINE,
         EPSG_NAME_PARAMETER_AZIMUTH_PROJECTION_CENTRE, nullptr},

        {"pseudo_standard_parallel_1", WKT1_STANDARD_PARALLEL_1, nullptr},
    };

    for (const auto &paramList : listOfEquivalentParameterNames) {
        for (size_t i = 0; paramList[i]; i++) {
            auto a = metadata::Identifier::canonicalizeName(paramList[i]);
            for (size_t j = i + 1; paramList[j]; j++) {
                auto b = metadata::Identifier::canonicalizeName(paramList[j]);
                set.insert(createEntryEqParam(a, b));
            }
        }
    }
    return set;
}

bool areEquivalentParameters(const std::string &a, const std::string &b) {