liblwgeom/lwgeom_geos.h

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/**********************************************************************
 *
 * 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 2011 Sandro Santilli <strk@kbt.io>
 * Copyright 2018 Darafei Praliaskouski <me@komzpa.net>
 *
 **********************************************************************/
 
#include "geos_c.h"
 
#include "liblwgeom.h"
#include "lwunionfind.h"
 
/*
** Public prototypes for GEOS utility functions.
*/
LWGEOM* GEOS2LWGEOM(const GEOSGeometry* geom, uint8_t want3d);
GEOSGeometry* LWGEOM2GEOS(const LWGEOM* g, uint8_t autofix);
GEOSGeometry* GBOX2GEOS(const GBOX* g);
#if POSTGIS_GEOS_VERSION < 38
GEOSGeometry* LWGEOM_GEOS_buildArea(const GEOSGeometry* geom_in);
GEOSGeometry* LWGEOM_GEOS_makeValid(const GEOSGeometry*);
#endif
 
GEOSGeometry* make_geos_point(double x, double y);
GEOSGeometry* make_geos_segment(double x1, double y1, double x2, double y2);
 
int cluster_intersecting(GEOSGeometry **geoms, uint32_t num_geoms, GEOSGeometry ***clusterGeoms, uint32_t *num_clusters);
int cluster_within_distance(LWGEOM **geoms, uint32_t num_geoms, double tolerance, LWGEOM ***clusterGeoms, uint32_t *num_clusters);
int union_dbscan(LWGEOM **geoms, uint32_t num_geoms, UNIONFIND *uf, double eps, uint32_t min_points, char **is_in_cluster_ret);
 
POINTARRAY* ptarray_from_GEOSCoordSeq(const GEOSCoordSequence* cs, uint8_t want3d);
 
extern char lwgeom_geos_errmsg[];
extern void lwgeom_geos_error(const char* fmt, ...);