On Mon, Jun 1, 2009 at 6:59 AM, Glynn Clements <gl...@gclements.plus.com> wrote: > > Markus Neteler wrote: > >> but I get >> Traceback (most recent call last): >> File "examples/vectoraccess.py", line 45, in <module> >> print 'Map box:', grassvect.Vect_get_map_box(map, box) >> TypeError: in method 'Vect_get_map_box', argument 2 of type 'BOUND_BOX *' >> >> Using instead BOUND_BOX, it also fails: >> Traceback (most recent call last): >> File "examples/vectoraccess.py", line 32, in <module> >> box = grassvect.BOUND_BOX() >> AttributeError: 'module' object has no attribute 'BOUND_BOX' > > Right. SWIG only generates wrappers for the "struct bound_box" type, > but requires that you pass a "BOUND_BOX *" to the function. > > Like most things which deal with C, it gets confused by preprocessor > macros. > >> Looking at the GRASS includes, I see >> include/vect/dig_structs.h:#define BOUND_BOX struct bound_box >> >> Is there a strategic advantage to define 'struct bound_box' like this while >> for example 'struct Map_info' isn't defined as MAP_INFO in the Vector >> libs? > > No. If you really want an alias, use typedef, e.g.: > > typedef struct bound_box BOUND_BOX; > > But I would prefer to just use "struct bound_box" everywhere to make > it clear that it's a structure. > > I intend to commit a fix once the test compilation has completed.
Thanks - testing the backport, will submit once SVN wakes up again. Markus _______________________________________________ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev
