parse_geojson_multipoint()

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

static

Definition at line 295 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().

{
        LWGEOM *geom;
        int i = 0;
        json_object* poObjPoints = NULL;

        if (!root_srid)
        {
                geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOINTTYPE, root_srid, 1, 0);
        }
        else
        {
                geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOINTTYPE, -1, 1, 0);
        }

        poObjPoints = findMemberByName( geojson, "coordinates" );
        if ( ! poObjPoints )
        {
                geojson_lwerror("Unable to find 'coordinates' in GeoJSON string", 4);
                return NULL;
        }

        if( json_type_array == json_object_get_type( poObjPoints ) )
        {
                const int nPoints = json_object_array_length( poObjPoints );
                for( i = 0; i < nPoints; ++i)
                {
                        POINTARRAY *pa;
                        json_object* poObjCoords = NULL;
                        poObjCoords = json_object_array_get_idx( poObjPoints, i );

                        pa = ptarray_construct_empty(1, 0, 1);
                        parse_geojson_coord(poObjCoords, hasz, pa);

                        geom = (LWGEOM*)lwmpoint_add_lwpoint((LWMPOINT*)geom,
                                                             (LWPOINT*)lwpoint_construct(root_srid, NULL, pa));
                }
        }

        return geom;
}

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