1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/**********************************************************************
*
* PostGIS - Spatial Types for PostgreSQL
* http://postgis.net
*
* PostGIS is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* PostGIS is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PostGIS. If not, see <http://www.gnu.org/licenses/>.
*
**********************************************************************
*
* 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 );
|
