PostGIS  3.0.0dev-r@@SVN_REVISION@@

◆ parse_geojson_multipoint()

static LWGEOM* parse_geojson_multipoint ( json_object *  geojson,
int *  hasz,
int  root_srid 
)
static

Definition at line 298 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().

299 {
300  LWGEOM *geom;
301  int i = 0;
302  json_object* poObjPoints = NULL;
303 
304  if (!root_srid)
305  {
306  geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOINTTYPE, root_srid, 1, 0);
307  }
308  else
309  {
311  }
312 
313  poObjPoints = findMemberByName( geojson, "coordinates" );
314  if ( ! poObjPoints )
315  {
316  geojson_lwerror("Unable to find 'coordinates' in GeoJSON string", 4);
317  return NULL;
318  }
319 
320  if( json_type_array == json_object_get_type( poObjPoints ) )
321  {
322  const int nPoints = json_object_array_length( poObjPoints );
323  for( i = 0; i < nPoints; ++i)
324  {
325  POINTARRAY *pa;
326  json_object* poObjCoords = NULL;
327  poObjCoords = json_object_array_get_idx( poObjPoints, i );
328 
329  pa = ptarray_construct_empty(1, 0, 1);
330  parse_geojson_coord(poObjCoords, hasz, pa);
331 
332  geom = (LWGEOM*)lwmpoint_add_lwpoint((LWMPOINT*)geom,
333  (LWPOINT*)lwpoint_construct(root_srid, NULL, pa));
334  }
335  }
336 
337  return geom;
338 }
static void geojson_lwerror(char *msg, __attribute__((__unused__)) int error_code)
Definition: lwin_geojson.c:55
POINTARRAY * ptarray_construct_empty(char hasz, char hasm, uint32_t maxpoints)
Create a new POINTARRAY with no points.
Definition: ptarray.c:58
#define MULTIPOINTTYPE
Definition: liblwgeom.h:87
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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