53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/**********************************************************************
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*
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* PostGIS - Spatial Types for PostgreSQL
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* http://postgis.net
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*
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* PostGIS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* PostGIS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with PostGIS. If not, see <http://www.gnu.org/licenses/>.
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*
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**********************************************************************
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*
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* Copyright 2008 Paul Ramsey <pramsey@cleverelephant.ca>
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*
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**********************************************************************/
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#ifndef LWGEOM_GEOS_H_
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#define LWGEOM_GEOS_H_ 1
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#include "../liblwgeom/lwgeom_geos.h" /* for GEOSGeom */
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#include "liblwgeom.h" /* for GSERIALIZED */
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#include "utils/array.h" /* for ArrayType */
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/*
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** Public prototypes for GEOS utility functions.
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*/
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GSERIALIZED *GEOS2POSTGIS(GEOSGeom geom, char want3d);
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GEOSGeometry *POSTGIS2GEOS(const GSERIALIZED *g);
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GEOSGeometry** ARRAY2GEOS(ArrayType* array, uint32_t nelems, int* is3d, int* srid);
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LWGEOM** ARRAY2LWGEOM(ArrayType* array, uint32_t nelems, int* is3d, int* srid);
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Datum geos_intersects(PG_FUNCTION_ARGS);
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Datum geos_intersection(PG_FUNCTION_ARGS);
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Datum geos_difference(PG_FUNCTION_ARGS);
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Datum geos_geomunion(PG_FUNCTION_ARGS);
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Datum LWGEOM_area_polygon(PG_FUNCTION_ARGS);
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Datum LWGEOM_mindistance2d(PG_FUNCTION_ARGS);
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Datum ST_3DDistance(PG_FUNCTION_ARGS);
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uint32_t array_nelems_not_null(ArrayType* array);
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#endif /* LWGEOM_GEOS_H_ */
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