1 files changed, 19 insertions, 0 deletions
diff --git a/include/proj/internal/coordinateoperation_constants.hpp b/include/proj/internal/coordinateoperation_constants.hpp
index eb0bb8c5..533599a0 100644
--- a/include/proj/internal/coordinateoperation_constants.hpp
+++ b/include/proj/internal/coordinateoperation_constants.hpp
@@ -1150,6 +1150,22 @@ static const ParamMapping paramVerticalOffsetFile = {
 static const ParamMapping *const paramsVERTCON[] = {&paramVerticalOffsetFile,
                                                     nullptr};
 
+static const ParamMapping paramSouthPoleLatGRIB = {
+    PROJ_WKT2_NAME_PARAMETER_SOUTH_POLE_LATITUDE_GRIB_CONVENTION, 0, nullptr,
+    common::UnitOfMeasure::Type::ANGULAR, nullptr};
+
+static const ParamMapping paramSouthPoleLonGRIB = {
+    PROJ_WKT2_NAME_PARAMETER_SOUTH_POLE_LONGITUDE_GRIB_CONVENTION, 0, nullptr,
+    common::UnitOfMeasure::Type::ANGULAR, nullptr};
+
+static const ParamMapping paramAxisRotationGRIB = {
+    PROJ_WKT2_NAME_PARAMETER_AXIS_ROTATION_GRIB_CONVENTION, 0, nullptr,
+    common::UnitOfMeasure::Type::ANGULAR, nullptr};
+
+static const ParamMapping *const paramsPoleRotationGRIBConvention[] = {
+    &paramSouthPoleLatGRIB, &paramSouthPoleLonGRIB, &paramAxisRotationGRIB,
+    nullptr};
+
 static const MethodMapping otherMethodMappings[] = {
     {EPSG_NAME_METHOD_CHANGE_VERTICAL_UNIT,
      EPSG_CODE_METHOD_CHANGE_VERTICAL_UNIT, nullptr, nullptr, nullptr,
@@ -1172,6 +1188,9 @@ static const MethodMapping otherMethodMappings[] = {
      EPSG_CODE_METHOD_AFFINE_PARAMETRIC_TRANSFORMATION, nullptr, nullptr,
      nullptr, paramsAffineParametricTransformation},
 
+    {PROJ_WKT2_NAME_METHOD_POLE_ROTATION_GRIB_CONVENTION, 0, nullptr, nullptr,
+     nullptr, paramsPoleRotationGRIBConvention},
+
     {EPSG_NAME_METHOD_GEOCENTRIC_TRANSLATION_GEOCENTRIC,
      EPSG_CODE_METHOD_GEOCENTRIC_TRANSLATION_GEOCENTRIC, nullptr, nullptr,
      nullptr, paramsHelmert3},