int
main (int argc, char *argv[])
{
const void *handle;
int ret;
ret = readosm_open ("testdata/test.osm", &handle);
if (ret != READOSM_OK)
{
fprintf (stderr, "OPEN ERROR: %d\n", ret);
return -1;
}
ret =
readosm_parse (handle, (const void *) 0, check_node, check_way,
check_relation);
if (ret != READOSM_OK)
{
fprintf (stderr, ".osm PARSE error: %d\n", ret);
return -2;
}
ret = readosm_close (handle);
if (ret != READOSM_OK)
{
fprintf (stderr, "CLOSE ERROR: %d\n", ret);
return -3;
}
return 0;
}
int
main (int argc, char *argv[])
{
const void *osm_handle;
int ret;
struct osm_helper helper;
/* initializing the helper struct */
helper.read_count = 0;
helper.stop_limit = 0;
if (argc != 3)
{
fprintf (stderr, "usage: test_osm3 path-to-OSM limit\n");
return -1;
}
/* setting the stop limit */
helper.stop_limit = atoi (argv[2]);
/*
* STEP #1: opening the OSM file
* this can indifferently be an OSM XML encoded file (.osm)
* or an OSM Protocol Buffer encoded file (.pbf)
* the library will transparently perform any required
* action in both cases.
*/
ret = readosm_open (argv[1], &osm_handle);
if (ret != READOSM_OK)
{
fprintf (stderr, "OPEN error: %d\n", ret);
goto stop;
}
/*
* STEP #2: parsing the OSM file
* this task is unbelievably simple
*
* you are simply required to pass the appropriate
* pointers for callback funtions respectively intended
* to process Node-objects, Way-objects and Relation-objects
*
* the library will then parse the whole input file, calling
* the appropriate callback handling function for each OSM object
* found: please see the callback functions implementing code
* to better understand how it works
*
* important notice: this second example is mainly focused on
* using the USER_DATA pointer. in this example we'll pass the
* address of the osm_statistics struct so to gather some
* general infos.
*/
ret =
readosm_parse (osm_handle, &helper, parse_node, parse_way,
parse_relation);
if (ret != READOSM_OK)
{
fprintf (stderr, "PARSE error: %d\n", ret);
goto stop;
}
stop:
/*
* STEP #3: closing the OSM file
* this will release any internal memory allocation
*/
readosm_close (osm_handle);
return 0;
}
int
main (int argc, char *argv[])
{
const void *osm_handle;
int ret;
struct osm_statistics infos;
/* initializing the statistics struct */
infos.node_count = 0;
infos.node_tag_count = 0;
infos.way_count = 0;
infos.way_ndref_count = 0;
infos.way_tag_count = 0;
infos.relation_count = 0;
infos.relation_member_node_count = 0;
infos.relation_member_way_count = 0;
infos.relation_member_relation_count = 0;
infos.relation_tag_count = 0;
infos.min_longitude = 180.0;
infos.max_longitude = -180.0;
infos.min_latitude = 90.0;
infos.max_latitude = -90.0;
if (argc != 2)
{
fprintf (stderr, "usage: test_osm2 path-to-OSM-file\n");
return -1;
}
/*
* STEP #1: opening the OSM file
* this can indifferently be an OSM XML encoded file (.osm)
* or an OSM Protocol Buffer encoded file (.pbf)
* the library will transparently perform any required
* action in both cases.
*/
ret = readosm_open (argv[1], &osm_handle);
if (ret != READOSM_OK)
{
fprintf (stderr, "OPEN error: %d\n", ret);
goto stop;
}
/*
* STEP #2: parsing the OSM file
* this task is unbelievebly simple
*
* you are simply required to pass the appropriate
* pointers for callback funtions respectively intended
* to process Node-objects, Way-objects and Relation-objects
*
* the library will then parse the whole input file, calling
* the appropriate callback handling function for each OSM object
* found: please see the callback functions implementing code
* to better understand how it works
*
* important notice: this second example is mainly focused on
* using the USER_DATA pointer. in this example we'll pass the
* address of the osm_statistics struct so to gather some
* general infos.
*/
ret =
readosm_parse (osm_handle, &infos, node_stats, way_stats,
relation_stats);
if (ret != READOSM_OK)
{
fprintf (stderr, "PARSE error: %d\n", ret);
goto stop;
}
/* printing OSM statistics */
printf ("Longitude range: %1.7f / %1.7f\n", infos.min_longitude,
infos.max_longitude);
printf ("Latitude range: %1.7f / %1.7f\n\n", infos.min_latitude,
infos.max_latitude);
printf ("Nodes : %d\n", infos.node_count);
printf (" tags: %d\n\n", infos.node_tag_count);
printf ("Ways : %d\n", infos.way_count);
printf (" ndref: %d\n", infos.way_ndref_count);
printf (" tags: %d\n\n", infos.way_tag_count);
printf ("Relations : %d\n", infos.relation_count);
printf (" member.nodes : %d\n", infos.relation_member_node_count);
printf (" member.ways : %d\n", infos.relation_member_way_count);
printf (" member.relations: %d\n", infos.relation_member_relation_count);
printf (" tags: %d\n", infos.relation_tag_count);
stop:
/*
* STEP #3: closing the OSM file
* this will release any internal memory allocation
*/
readosm_close (osm_handle);
return 0;
}