diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/pj_transform.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/pj_transform.c b/src/pj_transform.c index 0e649bae..a7dcb2f4 100644 --- a/src/pj_transform.c +++ b/src/pj_transform.c @@ -30,6 +30,9 @@ ****************************************************************************** * * $Log$ + * Revision 1.9 2003/03/26 16:52:30 warmerda + * added check that an inverse transformation func exists + * * Revision 1.8 2002/12/14 20:35:43 warmerda * implement units support for geocentric coordinates * @@ -129,6 +132,17 @@ int pj_transform( PJ *srcdefn, PJ *dstdefn, long point_count, int point_offset, /* -------------------------------------------------------------------- */ else if( !srcdefn->is_latlong ) { + if( srcdefn->inv == NULL ) + { + pj_errno = -17; /* this isn't correct, we need a no inverse err */ + if( getenv( "PROJ_DEBUG" ) != NULL ) + { + fprintf( stderr, + "pj_transform(): source projection not invertable\n" ); + } + return pj_errno; + } + for( i = 0; i < point_count; i++ ) { XY projected_loc; |