lwt_node_edges.h

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 *
 * PostGIS - Spatial Types for PostgreSQL
 * http://postgis.net
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 * PostGIS is free software: you can redistribute it and/or modify
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *
 * You should have received a copy of the GNU General Public License
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 *
 * Copyright (C) 2024 Sandro Santilli <strk@kbt.io>
 *
 **********************************************************************/
 
#include "liblwgeom_internal.h"
#include "liblwgeom_topo_internal.h"
#include "lwgeom_geos.h"
 
typedef struct LWT_NODE_EDGES_t {
  uint64_t numEdges;
  int fields; /* bitwise AND of fields present in edges, see LWT_COL_EDGE_* macros */
  LWT_ISO_EDGE *edges;
} LWT_NODE_EDGES;
 
/*
 * @param fields fields to load for each edge, see LWT_COL_EDGE_* macros
 *
 * @return NULL on error, calling lwerror, otherwise an object to
 *         be released with lwt_nodeEdges_release()
 */
LWT_NODE_EDGES *lwt_nodeEdges_loadFromDB( LWT_TOPOLOGY *topo, LWT_ELEMID node_id, int fields );
 
void lwt_nodeEdges_release( LWT_NODE_EDGES *star );