diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/proj/io.hpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/proj/io.hpp b/include/proj/io.hpp index 7f7639cd..813b4bdb 100644 --- a/include/proj/io.hpp +++ b/include/proj/io.hpp @@ -526,7 +526,9 @@ class PROJ_GCC_DLL IPROJStringExportable { * * <li>For PROJStringFormatter::Convention::PROJ_4, format a string * compatible with the OGRSpatialReference::exportToProj4() of GDAL - * <=2.3. + * <=2.3. It is only compatible of a few CRS objects. The PROJ string + * will also contain a +type=crs parameter to disambiguish the nature of + * the string from a CoordinateOperation. * <ul> * <li>For a crs::GeographicCRS, returns a proj=longlat string, with * ellipsoid / datum / prime meridian information, ignoring axis order |