PostGIS  2.5.0dev-r@@SVN_REVISION@@
static LWGEOM* parse_geojson_multipoint ( json_object *  geojson,
int *  hasz,
int  root_srid 
)
static

Definition at line 288 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().

289 {
290  LWGEOM *geom;
291  int i = 0;
292  json_object* poObjPoints = NULL;
293 
294  if (!root_srid)
295  {
296  geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOINTTYPE, root_srid, 1, 0);
297  }
298  else
299  {
301  }
302 
303  poObjPoints = findMemberByName( geojson, "coordinates" );
304  if ( ! poObjPoints )
305  {
306  geojson_lwerror("Unable to find 'coordinates' in GeoJSON string", 4);
307  return NULL;
308  }
309 
310  if( json_type_array == json_object_get_type( poObjPoints ) )
311  {
312  const int nPoints = json_object_array_length( poObjPoints );
313  for( i = 0; i < nPoints; ++i)
314  {
315  POINTARRAY *pa;
316  json_object* poObjCoords = NULL;
317  poObjCoords = json_object_array_get_idx( poObjPoints, i );
318 
319  pa = ptarray_construct_empty(1, 0, 1);
320  parse_geojson_coord(poObjCoords, hasz, pa);
321 
322  geom = (LWGEOM*)lwmpoint_add_lwpoint((LWMPOINT*)geom,
323  (LWPOINT*)lwpoint_construct(root_srid, NULL, pa));
324  }
325  }
326 
327  return geom;
328 }
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:55
static int parse_geojson_coord(json_object *poObj, int *hasz, POINTARRAY *pa)
Definition: lwin_geojson.c:103
static json_object * findMemberByName(json_object *poObj, const char *pszName)
Definition: lwin_geojson.c:65
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:129
LWCOLLECTION * lwcollection_construct_empty(uint8_t type, int srid, char hasz, char hasm)
Definition: lwcollection.c:94

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