Add proj_create_derived_geographic_crs() and proj_create_conversion_pole_rotation_grib_convention() to address GRIB datasets using a pole rotation method

1 files changed, 17 insertions, 0 deletions

diff --git a/src/proj_experimental.h b/src/proj_experimental.h
index 0886ba28..50f1fb9f 100644
--- a/src/proj_experimental.h
+++ b/src/proj_experimental.h
@@ -191,6 +191,16 @@ PJ PROJ_DLL *proj_create_geocentric_crs_from_datum(
                             const char *linear_units,
                             double linear_units_conv);
 
+PJ PROJ_DLL *proj_create_derived_geographic_crs(
+                            PJ_CONTEXT *ctx,
+                            const char *crs_name,
+                            const PJ* base_geographic_crs,
+                            const PJ* conversion,
+                            const PJ* ellipsoidal_cs);
+
+int PROJ_DLL proj_is_derived_crs(PJ_CONTEXT *ctx,
+                                 const PJ* crs);
+
 PJ PROJ_DLL *proj_alter_name(PJ_CONTEXT *ctx,
                                      const PJ* obj, const char* name);
 
@@ -947,6 +957,13 @@ PJ PROJ_DLL *proj_create_conversion_vertical_perspective(
     const char* ang_unit_name, double ang_unit_conv_factor,
     const char* linear_unit_name, double linear_unit_conv_factor);
 
+PJ PROJ_DLL *proj_create_conversion_pole_rotation_grib_convention(
+    PJ_CONTEXT *ctx,
+    double south_pole_lat_in_unrotated_crs,
+    double south_pole_long_in_unrotated_crs,
+    double axis_rotation,
+    const char* ang_unit_name, double ang_unit_conv_factor);
+
 /* END: Generated by scripts/create_c_api_projections.py*/
 
 /**@}*/