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Diffstat (limited to 'docs/source/development/reference')
| -rw-r--r-- | docs/source/development/reference/functions.rst | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/docs/source/development/reference/functions.rst b/docs/source/development/reference/functions.rst index 351d2ed3..ef84d489 100644 --- a/docs/source/development/reference/functions.rst +++ b/docs/source/development/reference/functions.rst @@ -579,17 +579,17 @@ Various C API for ISO-19111 functionality +++++++++++++++++++++++++++++++++ -The PJ* objects returned by :c:func:`proj_create_from_user_input`, -:c:func:`proj_create_from_wkt`, :c:func:`proj_create_from_proj_string`, -:c:func:`proj_create_from_database` and other functions +The PJ* objects returned by :c:func:`proj_create_from_wkt`, +:c:func:`proj_create_from_database` and other functions in that section will have generally minimal interaction with the functions declared in the previous sections (calling those functions on those objects will either return an error or default/non-sensical values). The exception is for ISO19111 objects of type CoordinateOperation that can be exported as a valid PROJ pipeline. In this case, objects will work for example with :c:func:`proj_trans_generic`. -Conversely, objects returned by :c:func:`proj_create` and :c:func:`proj_create_argv` will -return an error when used with functions of this section. +Conversely, objects returned by :c:func:`proj_create` and :c:func:`proj_create_argv`, +which are not of type CRS (can be tested with :c:func:`proj_is_crs`), +will return an error when used with functions of this section. .. doxygengroup:: iso19111_functions :project: cpp_stuff |