PostGIS  2.3.7dev-r@@SVN_REVISION@@
static LWGEOM* parse_geojson_multipoint ( json_object *  geojson,
int *  hasz,
int  root_srid 
)
static

Definition at line 282 of file lwin_geojson.c.

References findMemberByName(), geojson_lwerror(), lwcollection_construct_empty(), lwmpoint_add_lwpoint(), lwpoint_construct(), MULTIPOINTTYPE, parse_geojson_coord(), and ptarray_construct_empty().

Referenced by parse_geojson().

283 {
284  LWGEOM *geom;
285  int i = 0;
286  json_object* poObjPoints = NULL;
287 
288  if (!root_srid)
289  {
290  geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOINTTYPE, root_srid, 1, 0);
291  }
292  else
293  {
295  }
296 
297  poObjPoints = findMemberByName( geojson, "coordinates" );
298  if ( ! poObjPoints )
299  {
300  geojson_lwerror("Unable to find 'coordinates' in GeoJSON string", 4);
301  return NULL;
302  }
303 
304  if( json_type_array == json_object_get_type( poObjPoints ) )
305  {
306  const int nPoints = json_object_array_length( poObjPoints );
307  for( i = 0; i < nPoints; ++i)
308  {
309  POINTARRAY *pa;
310  json_object* poObjCoords = NULL;
311  poObjCoords = json_object_array_get_idx( poObjPoints, i );
312 
313  pa = ptarray_construct_empty(1, 0, 1);
314  parse_geojson_coord(poObjCoords, hasz, pa);
315 
316  geom = (LWGEOM*)lwmpoint_add_lwpoint((LWMPOINT*)geom,
317  (LWPOINT*)lwpoint_construct(root_srid, NULL, pa));
318  }
319  }
320 
321  return geom;
322 }
POINTARRAY * ptarray_construct_empty(char hasz, char hasm, uint32_t maxpoints)
Create a new POINTARRAY with no points.
Definition: ptarray.c:70
#define MULTIPOINTTYPE
Definition: liblwgeom.h:87
static void geojson_lwerror(char *msg, int error_code)
Definition: lwin_geojson.c:49
static int parse_geojson_coord(json_object *poObj, int *hasz, POINTARRAY *pa)
Definition: lwin_geojson.c:97
static json_object * findMemberByName(json_object *poObj, const char *pszName)
Definition: lwin_geojson.c:59
LWMPOINT * lwmpoint_add_lwpoint(LWMPOINT *mobj, const LWPOINT *obj)
Definition: lwmpoint.c:45
LWPOINT * lwpoint_construct(int srid, GBOX *bbox, POINTARRAY *point)
Definition: lwpoint.c:111
LWCOLLECTION * lwcollection_construct_empty(uint8_t type, int srid, char hasz, char hasm)
Definition: lwcollection.c:94

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