diff options
Diffstat (limited to 'src/iso19111')
| -rw-r--r-- | src/iso19111/c_api.cpp | 5 | ||||
| -rw-r--r-- | src/iso19111/coordinateoperation.cpp | 7 |
2 files changed, 11 insertions, 1 deletions
diff --git a/src/iso19111/c_api.cpp b/src/iso19111/c_api.cpp index fd4090b2..090d59a1 100644 --- a/src/iso19111/c_api.cpp +++ b/src/iso19111/c_api.cpp @@ -7080,6 +7080,11 @@ void PROJ_DLL proj_operation_factory_context_set_discard_superseded( * by increasing accuracy. Operations with unknown accuracy are sorted last, * whatever their area. * + * When one of the source or target CRS has a vertical component but not the + * other one, the one that has no vertical component is automatically promoted + * to a 3D version, where its vertical axis is the ellipsoidal height in metres, + * using the ellipsoid of the base geodetic CRS. + * * @param ctx PROJ context, or NULL for default context * @param source_crs source CRS. Must not be NULL. * @param target_crs source CRS. Must not be NULL. diff --git a/src/iso19111/coordinateoperation.cpp b/src/iso19111/coordinateoperation.cpp index aea8400c..56a3b38c 100644 --- a/src/iso19111/coordinateoperation.cpp +++ b/src/iso19111/coordinateoperation.cpp @@ -13445,8 +13445,13 @@ getResolvedCRS(const crs::CRSNNPtr &crs, * by increasing accuracy. Operations with unknown accuracy are sorted last, * whatever their area. * + * When one of the source or target CRS has a vertical component but not the + * other one, the one that has no vertical component is automatically promoted + * to a 3D version, where its vertical axis is the ellipsoidal height in metres, + * using the ellipsoid of the base geodetic CRS. + * * @param sourceCRS source CRS. - * @param targetCRS source CRS. + * @param targetCRS target CRS. * @param context Search context. * @return a list */ |