mirror of
https://git.osgeo.org/gitea/postgis/postgis
synced 2024-10-25 09:32:46 +00:00
a003017908
for JTSnoop. git-svn-id: http://svn.osgeo.org/postgis/trunk@1504 b70326c6-7e19-0410-871a-916f4a2858ee
2512 lines
52 KiB
C
2512 lines
52 KiB
C
|
|
#include "postgres.h"
|
|
#include "utils/array.h"
|
|
#include "utils/builtins.h"
|
|
#include "fmgr.h"
|
|
|
|
#include "lwgeom_pg.h"
|
|
#include "liblwgeom.h"
|
|
#include "profile.h"
|
|
#include "wktparse.h"
|
|
|
|
Datum relate_full(PG_FUNCTION_ARGS);
|
|
Datum relate_pattern(PG_FUNCTION_ARGS);
|
|
Datum disjoint(PG_FUNCTION_ARGS);
|
|
Datum touches(PG_FUNCTION_ARGS);
|
|
Datum intersects(PG_FUNCTION_ARGS);
|
|
Datum crosses(PG_FUNCTION_ARGS);
|
|
Datum within(PG_FUNCTION_ARGS);
|
|
Datum contains(PG_FUNCTION_ARGS);
|
|
Datum overlaps(PG_FUNCTION_ARGS);
|
|
Datum isvalid(PG_FUNCTION_ARGS);
|
|
Datum buffer(PG_FUNCTION_ARGS);
|
|
Datum intersection(PG_FUNCTION_ARGS);
|
|
Datum convexhull(PG_FUNCTION_ARGS);
|
|
Datum difference(PG_FUNCTION_ARGS);
|
|
Datum boundary(PG_FUNCTION_ARGS);
|
|
Datum symdifference(PG_FUNCTION_ARGS);
|
|
Datum geomunion(PG_FUNCTION_ARGS);
|
|
Datum unite_garray(PG_FUNCTION_ARGS);
|
|
Datum issimple(PG_FUNCTION_ARGS);
|
|
Datum isring(PG_FUNCTION_ARGS);
|
|
Datum geomequals(PG_FUNCTION_ARGS);
|
|
Datum pointonsurface(PG_FUNCTION_ARGS);
|
|
Datum GEOSnoop(PG_FUNCTION_ARGS);
|
|
Datum postgis_geos_version(PG_FUNCTION_ARGS);
|
|
Datum centroid(PG_FUNCTION_ARGS);
|
|
Datum GEOS_polygonize_garray(PG_FUNCTION_ARGS);
|
|
|
|
|
|
|
|
/*
|
|
* Define this to have have many notices printed
|
|
* during postgis->geos and geos->postgis conversions
|
|
*/
|
|
//#define PGIS_DEBUG_CONVERTER 1
|
|
#ifdef PGIS_DEBUG_CONVERTER
|
|
#define PGIS_DEBUG_POSTGIS2GEOS 1
|
|
#define PGIS_DEBUG_GEOS2POSTGIS 1
|
|
#endif // PGIS_DEBUG_CONVERTER
|
|
//#define PGIS_DEBUG 1
|
|
|
|
typedef struct Geometry Geometry;
|
|
|
|
extern const char * createGEOSPoint(POINT3D *pt);
|
|
extern void initGEOS(int maxalign);
|
|
extern char *GEOSrelate(Geometry *g1, Geometry*g2);
|
|
extern char GEOSrelatePattern(Geometry *g1, Geometry*g2,char *pat);
|
|
extern char GEOSrelateDisjoint(Geometry *g1, Geometry*g2);
|
|
extern char GEOSrelateTouches(Geometry *g1, Geometry*g2);
|
|
extern char GEOSrelateIntersects(Geometry *g1, Geometry*g2);
|
|
extern char GEOSrelateCrosses(Geometry *g1, Geometry*g2);
|
|
extern char GEOSrelateWithin(Geometry *g1, Geometry*g2);
|
|
extern char GEOSrelateContains(Geometry *g1, Geometry*g2);
|
|
extern char GEOSrelateOverlaps(Geometry *g1, Geometry*g2);
|
|
extern char *GEOSasText(Geometry *g1);
|
|
extern char GEOSisEmpty(Geometry *g1);
|
|
extern char *GEOSGeometryType(Geometry *g1);
|
|
extern int GEOSGeometryTypeId(Geometry *g1);
|
|
extern char *GEOSversion();
|
|
extern char *GEOSjtsport();
|
|
extern char GEOSisvalid(Geometry *g1);
|
|
extern Geometry *GEOSIntersection(Geometry *g1, Geometry *g2);
|
|
extern Geometry *GEOSBuffer(Geometry *g1,double width, int quadsegs);
|
|
extern Geometry *GEOSConvexHull(Geometry *g1);
|
|
extern Geometry *GEOSDifference(Geometry *g1,Geometry *g2);
|
|
extern Geometry *GEOSBoundary(Geometry *g1);
|
|
extern Geometry *GEOSSymDifference(Geometry *g1,Geometry *g2);
|
|
extern Geometry *GEOSUnion(Geometry *g1,Geometry *g2);
|
|
extern char GEOSequals(Geometry *g1, Geometry*g2);
|
|
extern char GEOSisSimple(Geometry *g1);
|
|
extern char GEOSisRing(Geometry *g1);
|
|
extern Geometry *GEOSpointonSurface(Geometry *g1);
|
|
extern Geometry *GEOSGetCentroid(Geometry *g, int *failure);
|
|
extern bool GEOSHasZ(Geometry *g1);
|
|
|
|
extern void GEOSSetSRID(Geometry *g, int SRID);
|
|
extern void GEOSdeleteChar(char *a);
|
|
extern void GEOSdeleteGeometry(Geometry *a);
|
|
|
|
extern POINT3D *GEOSGetCoordinate(Geometry *g1);
|
|
extern POINT3D *GEOSGetCoordinates(Geometry *g1);
|
|
extern int GEOSGetNumCoordinate(Geometry *g1);
|
|
extern Geometry *GEOSGetGeometryN(Geometry *g1, int n);
|
|
extern Geometry *GEOSGetExteriorRing(Geometry *g1);
|
|
extern Geometry *GEOSGetInteriorRingN(Geometry *g1,int n);
|
|
extern Geometry *GEOSpolygonize(Geometry **geoms, unsigned int ngeoms);
|
|
extern int GEOSGetNumInteriorRings(Geometry *g1);
|
|
extern int GEOSGetSRID(Geometry *g1);
|
|
extern int GEOSGetNumGeometries(Geometry *g1);
|
|
|
|
extern Geometry *PostGIS2GEOS_point(const LWPOINT *point);
|
|
extern Geometry *PostGIS2GEOS_linestring(const LWLINE *line);
|
|
extern Geometry *PostGIS2GEOS_polygon(const LWPOLY *polygon);
|
|
extern Geometry *PostGIS2GEOS_multipolygon(LWPOLY **geoms, uint32 ngeoms, int SRID, int is3d);
|
|
extern Geometry *PostGIS2GEOS_multilinestring(LWLINE **geoms, uint32 ngeoms, int SRID, int is3d);
|
|
extern Geometry *PostGIS2GEOS_multipoint(LWPOINT **geoms, uint32 ngeoms, int SRID, int is3d);
|
|
extern Geometry *PostGIS2GEOS_collection(int type, Geometry **geoms, int ngeoms, int SRID, bool is3d);
|
|
|
|
void NOTICE_MESSAGE(char *msg);
|
|
PG_LWGEOM *GEOS2POSTGIS(Geometry *geom, char want3d);
|
|
Geometry * POSTGIS2GEOS(PG_LWGEOM *g);
|
|
Geometry * LWGEOM2GEOS(LWGEOM *g);
|
|
void errorIfGeometryCollection(PG_LWGEOM *g1, PG_LWGEOM *g2);
|
|
LWPOINT *lwpoint_from_geometry(Geometry *g, char want3d);
|
|
LWLINE *lwline_from_geometry(Geometry *g, char want3d);
|
|
LWPOLY *lwpoly_from_geometry(Geometry *g, char want3d);
|
|
LWCOLLECTION *lwcollection_from_geometry(Geometry *geom, char want3d);
|
|
LWGEOM *lwgeom_from_geometry(Geometry *g, char want3d);
|
|
|
|
void NOTICE_MESSAGE(char *msg)
|
|
{
|
|
elog(NOTICE,msg);
|
|
}
|
|
|
|
PG_FUNCTION_INFO_V1(postgis_geos_version);
|
|
Datum postgis_geos_version(PG_FUNCTION_ARGS)
|
|
{
|
|
char *ver = GEOSversion();
|
|
text *result;
|
|
result = (text *) palloc(VARHDRSZ + strlen(ver));
|
|
VARATT_SIZEP(result) = VARHDRSZ + strlen(ver) ;
|
|
memcpy(VARDATA(result), ver, strlen(ver));
|
|
free(ver);
|
|
PG_RETURN_POINTER(result);
|
|
}
|
|
|
|
|
|
/*
|
|
* This is the final function for union/fastunite/geomunion
|
|
* aggregate (still discussing the name). Will have
|
|
* as input an array of Geometry pointers.
|
|
* Will iteratively call GEOSUnion on the GEOS-converted
|
|
* versions of them and return PGIS-converted version back.
|
|
* Changing combination order *might* speed up performance.
|
|
*
|
|
* Geometries in the array are pfree'd as soon as possible.
|
|
*
|
|
*/
|
|
PG_FUNCTION_INFO_V1(unite_garray);
|
|
Datum unite_garray(PG_FUNCTION_ARGS)
|
|
{
|
|
Datum datum;
|
|
ArrayType *array;
|
|
int is3d = 0;
|
|
int nelems, i;
|
|
PG_LWGEOM *result, *pgis_geom;
|
|
Geometry *g1, *g2, *geos_result=NULL;
|
|
int SRID=-1;
|
|
size_t offset;
|
|
#ifdef PGIS_DEBUG
|
|
static int call=1;
|
|
#endif
|
|
|
|
#ifdef PGIS_DEBUG
|
|
call++;
|
|
#endif
|
|
|
|
datum = PG_GETARG_DATUM(0);
|
|
|
|
/* Null array, null geometry (should be empty?) */
|
|
if ( (Pointer *)datum == NULL ) PG_RETURN_NULL();
|
|
|
|
array = (ArrayType *) PG_DETOAST_DATUM(datum);
|
|
|
|
nelems = ArrayGetNItems(ARR_NDIM(array), ARR_DIMS(array));
|
|
|
|
#ifdef PGIS_DEBUG
|
|
elog(NOTICE, "unite_garray: number of elements: %d", nelems);
|
|
#endif
|
|
|
|
if ( nelems == 0 ) PG_RETURN_NULL();
|
|
|
|
/* One-element union is the element itself */
|
|
if ( nelems == 1 ) PG_RETURN_POINTER((PG_LWGEOM *)(ARR_DATA_PTR(array)));
|
|
|
|
/* Ok, we really need geos now ;) */
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
offset = 0;
|
|
for (i=0; i<nelems; i++)
|
|
{
|
|
PG_LWGEOM *geom = (PG_LWGEOM *)(ARR_DATA_PTR(array)+offset);
|
|
offset += INTALIGN(geom->size);
|
|
|
|
pgis_geom = geom;
|
|
|
|
#ifdef PGIS_DEBUG
|
|
elog(NOTICE, "geom %d @ %p", i, geom);
|
|
#endif
|
|
|
|
// Check is3d flag
|
|
if ( TYPE_NDIMS(geom->type) > 2 ) is3d = 1;
|
|
|
|
// Check SRID homogeneity and initialize geos result
|
|
if ( ! i )
|
|
{
|
|
geos_result = POSTGIS2GEOS(geom);
|
|
SRID = pglwgeom_getSRID(geom);
|
|
#ifdef PGIS_DEBUG
|
|
elog(NOTICE, "first geom is a %s", lwgeom_typename(TYPE_GETTYPE(geom->type)));
|
|
#endif
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
if ( SRID != pglwgeom_getSRID(geom) )
|
|
{
|
|
elog(ERROR,
|
|
"Operation on mixed SRID geometries");
|
|
PG_RETURN_NULL();
|
|
}
|
|
}
|
|
|
|
g1 = POSTGIS2GEOS(pgis_geom);
|
|
|
|
#ifdef PGIS_DEBUG
|
|
elog(NOTICE, "unite_garray(%d): adding geom %d to union (%s)",
|
|
call, i, lwgeom_typename(TYPE_GETTYPE(geom->type)));
|
|
#endif
|
|
|
|
g2 = GEOSUnion(g1,geos_result);
|
|
if ( g2 == NULL )
|
|
{
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(geos_result);
|
|
elog(ERROR,"GEOS union() threw an error!");
|
|
}
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(geos_result);
|
|
geos_result = g2;
|
|
}
|
|
|
|
GEOSSetSRID(geos_result, SRID);
|
|
result = GEOS2POSTGIS(geos_result, is3d);
|
|
GEOSdeleteGeometry(geos_result);
|
|
if ( result == NULL )
|
|
{
|
|
elog(ERROR, "GEOS2POSTGIS returned an error");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
//compressType(result);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
|
|
}
|
|
|
|
|
|
//select geomunion('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))','POLYGON((5 5, 15 5, 15 7, 5 7, 5 5))');
|
|
PG_FUNCTION_INFO_V1(geomunion);
|
|
Datum geomunion(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
int is3d;
|
|
int SRID;
|
|
Geometry *g1,*g2,*g3;
|
|
PG_LWGEOM *result;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
is3d = ( TYPE_NDIMS(geom1->type) > 2 ) ||
|
|
( TYPE_NDIMS(geom2->type) > 2 );
|
|
|
|
SRID = pglwgeom_getSRID(geom1);
|
|
if ( SRID != pglwgeom_getSRID(geom2) )
|
|
{
|
|
elog(ERROR, "Operation on two geometries with different SRIDs");
|
|
PG_RETURN_NULL();
|
|
}
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
//elog(NOTICE,"in geomunion");
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
//elog(NOTICE,"g1=%s",GEOSasText(g1));
|
|
//elog(NOTICE,"g2=%s",GEOSasText(g2));
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
g3 = GEOSUnion(g1,g2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
//elog(NOTICE,"g3=%s",GEOSasText(g3));
|
|
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
|
|
if (g3 == NULL)
|
|
{
|
|
elog(ERROR,"GEOS union() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
|
|
GEOSSetSRID(g3, SRID);
|
|
|
|
//elog(NOTICE,"result: %s", GEOSasText(g3) ) ;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_G2P);
|
|
#endif
|
|
result = GEOS2POSTGIS(g3, is3d);
|
|
#ifdef PROFILE
|
|
profstop(PROF_G2P);
|
|
#endif
|
|
|
|
GEOSdeleteGeometry(g3);
|
|
|
|
if (result == NULL)
|
|
{
|
|
elog(ERROR,"GEOS union() threw an error (result postgis geometry formation)!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
//compressType(result); // convert multi* to single item if appropriate
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, geom2, result);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
}
|
|
|
|
|
|
// select symdifference('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))','POLYGON((5 5, 15 5, 15 7, 5 7, 5 5))');
|
|
PG_FUNCTION_INFO_V1(symdifference);
|
|
Datum symdifference(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
Geometry *g1,*g2,*g3;
|
|
PG_LWGEOM *result;
|
|
int is3d;
|
|
int SRID;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
is3d = ( TYPE_NDIMS(geom1->type) > 2 ) ||
|
|
( TYPE_NDIMS(geom2->type) > 2 );
|
|
|
|
SRID = pglwgeom_getSRID(geom1);
|
|
if ( SRID != pglwgeom_getSRID(geom2) )
|
|
{
|
|
elog(ERROR, "Operation on two geometries with different SRIDs");
|
|
PG_RETURN_NULL();
|
|
}
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
g3 = GEOSSymDifference(g1,g2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
if (g3 == NULL)
|
|
{
|
|
elog(ERROR,"GEOS symdifference() threw an error!");
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
// elog(NOTICE,"result: %s", GEOSasText(g3) ) ;
|
|
|
|
GEOSSetSRID(g3, SRID);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_G2P);
|
|
#endif
|
|
result = GEOS2POSTGIS(g3, is3d);
|
|
#ifdef PROFILE
|
|
profstop(PROF_G2P);
|
|
#endif
|
|
|
|
if (result == NULL)
|
|
{
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
GEOSdeleteGeometry(g3);
|
|
elog(ERROR,"GEOS symdifference() threw an error (result postgis geometry formation)!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
GEOSdeleteGeometry(g3);
|
|
|
|
//compressType(result); // convert multi* to single item if appropriate
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, geom2, result);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
}
|
|
|
|
|
|
PG_FUNCTION_INFO_V1(boundary);
|
|
Datum boundary(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
Geometry *g1,*g3;
|
|
PG_LWGEOM *result;
|
|
int SRID;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
|
|
SRID = pglwgeom_getSRID(geom1);
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1 );
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
g3 = GEOSBoundary(g1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
if (g3 == NULL)
|
|
{
|
|
elog(ERROR,"GEOS bounary() threw an error!");
|
|
GEOSdeleteGeometry(g1);
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
// elog(NOTICE,"result: %s", GEOSasText(g3) ) ;
|
|
|
|
GEOSSetSRID(g3, SRID);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_G2P);
|
|
#endif
|
|
result = GEOS2POSTGIS(g3, TYPE_NDIMS(geom1->type) > 2);
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
|
|
if (result == NULL)
|
|
{
|
|
GEOSdeleteGeometry(g1);
|
|
|
|
GEOSdeleteGeometry(g3);
|
|
elog(ERROR,"GEOS boundary() threw an error (result postgis geometry formation)!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
|
|
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g3);
|
|
|
|
//compressType(result); // convert multi* to single item if appropriate
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, NULL, result);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
}
|
|
|
|
PG_FUNCTION_INFO_V1(convexhull);
|
|
Datum convexhull(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
Geometry *g1, *g3;
|
|
PG_LWGEOM *result;
|
|
LWGEOM *lwout;
|
|
int SRID;
|
|
BOX2DFLOAT4 bbox;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
SRID = pglwgeom_getSRID(geom1);
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
g3 = GEOSConvexHull(g1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
if (g3 == NULL)
|
|
{
|
|
elog(ERROR,"GEOS convexhull() threw an error!");
|
|
GEOSdeleteGeometry(g1);
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
|
|
//elog(NOTICE,"result: %s", GEOSasText(g3) ) ;
|
|
GEOSSetSRID(g3, SRID);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_G2P);
|
|
#endif
|
|
lwout = lwgeom_from_geometry(g3, TYPE_NDIMS(geom1->type) > 2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_G2P);
|
|
#endif
|
|
if (lwout == NULL)
|
|
{
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g3);
|
|
elog(ERROR,"convexhull() failed to convert GEOS geometry to LWGEOM");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
/* Copy input bbox if any */
|
|
if ( getbox2d_p(SERIALIZED_FORM(geom1), &bbox) )
|
|
{
|
|
lwout->bbox = &bbox;
|
|
/* Mark lwgeom bbox to be externally owned */
|
|
TYPE_SETHASBBOX(lwout->type, 1);
|
|
}
|
|
|
|
result = pglwgeom_serialize(lwout);
|
|
if (result == NULL)
|
|
{
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g3);
|
|
elog(ERROR,"GEOS convexhull() threw an error (result postgis geometry formation)!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
lwgeom_release(lwout);
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g3);
|
|
|
|
|
|
//compressType(result); // convert multi* to single item if appropriate
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, NULL, result);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
|
|
}
|
|
|
|
PG_FUNCTION_INFO_V1(buffer);
|
|
Datum buffer(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
double size;
|
|
Geometry *g1,*g3;
|
|
PG_LWGEOM *result;
|
|
int quadsegs = 8; // the default
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
size = PG_GETARG_FLOAT8(1);
|
|
if ( PG_NARGS() > 2 ) quadsegs = PG_GETARG_INT32(2);
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
g3 = GEOSBuffer(g1,size,quadsegs);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
if (g3 == NULL)
|
|
{
|
|
elog(ERROR,"GEOS buffer() threw an error!");
|
|
GEOSdeleteGeometry(g1);
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
|
|
// elog(NOTICE,"result: %s", GEOSasText(g3) ) ;
|
|
|
|
GEOSSetSRID(g3, pglwgeom_getSRID(geom1));
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_G2P);
|
|
#endif
|
|
result = GEOS2POSTGIS(g3, TYPE_NDIMS(geom1->type) > 2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_G2P);
|
|
#endif
|
|
if (result == NULL)
|
|
{
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g3);
|
|
elog(ERROR,"GEOS buffer() threw an error (result postgis geometry formation)!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g3);
|
|
|
|
|
|
//compressType(result); // convert multi* to single item if appropriate
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, NULL, result);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
}
|
|
|
|
PG_FUNCTION_INFO_V1(intersection);
|
|
Datum intersection(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
Geometry *g1,*g2,*g3;
|
|
PG_LWGEOM *result;
|
|
int is3d;
|
|
int SRID;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
is3d = ( TYPE_NDIMS(geom1->type) > 2 ) ||
|
|
( TYPE_NDIMS(geom2->type) > 2 );
|
|
|
|
SRID = pglwgeom_getSRID(geom1);
|
|
if ( SRID != pglwgeom_getSRID(geom2) )
|
|
{
|
|
elog(ERROR, "Operation on two geometries with different SRIDs");
|
|
PG_RETURN_NULL();
|
|
}
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
//elog(NOTICE,"intersection() START");
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
//elog(NOTICE," constructed geometrys - calling geos");
|
|
|
|
//elog(NOTICE,"g1 = %s",GEOSasText(g1));
|
|
//elog(NOTICE,"g2 = %s",GEOSasText(g2));
|
|
|
|
|
|
//if (g1==NULL)
|
|
// elog(NOTICE,"g1 is null");
|
|
//if (g2==NULL)
|
|
// elog(NOTICE,"g2 is null");
|
|
//elog(NOTICE,"g2 is valid = %i",GEOSisvalid(g2));
|
|
//elog(NOTICE,"g1 is valid = %i",GEOSisvalid(g1));
|
|
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
g3 = GEOSIntersection(g1,g2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
//elog(NOTICE," intersection finished");
|
|
|
|
if (g3 == NULL)
|
|
{
|
|
elog(ERROR,"GEOS Intersection() threw an error!");
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
|
|
//elog(NOTICE,"result: %s", GEOSasText(g3) ) ;
|
|
GEOSSetSRID(g3, SRID);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_G2P);
|
|
#endif
|
|
result = GEOS2POSTGIS(g3, is3d);
|
|
#ifdef PROFILE
|
|
profstop(PROF_G2P);
|
|
#endif
|
|
|
|
if (result == NULL)
|
|
{
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
GEOSdeleteGeometry(g3);
|
|
elog(ERROR,"GEOS Intersection() threw an error (result postgis geometry formation)!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
|
|
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
GEOSdeleteGeometry(g3);
|
|
|
|
//compressType(result); // convert multi* to single item if appropriate
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, geom2, result);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
}
|
|
|
|
//select difference('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))','POLYGON((5 5, 15 5, 15 7, 5 7, 5 5))');
|
|
PG_FUNCTION_INFO_V1(difference);
|
|
Datum difference(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
Geometry *g1,*g2,*g3;
|
|
PG_LWGEOM *result;
|
|
int is3d;
|
|
int SRID;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
is3d = ( TYPE_NDIMS(geom1->type) > 2 ) ||
|
|
( TYPE_NDIMS(geom2->type) > 2 );
|
|
|
|
SRID = pglwgeom_getSRID(geom1);
|
|
if ( SRID != pglwgeom_getSRID(geom2) )
|
|
{
|
|
elog(ERROR, "Operation on two geometries with different SRIDs");
|
|
PG_RETURN_NULL();
|
|
}
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
g3 = GEOSDifference(g1,g2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
if (g3 == NULL)
|
|
{
|
|
elog(ERROR,"GEOS difference() threw an error!");
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
// elog(NOTICE,"result: %s", GEOSasText(g3) ) ;
|
|
|
|
GEOSSetSRID(g3, SRID);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_G2P);
|
|
#endif
|
|
result = GEOS2POSTGIS(g3, is3d);
|
|
#ifdef PROFILE
|
|
profstop(PROF_G2P);
|
|
#endif
|
|
if (result == NULL)
|
|
{
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
GEOSdeleteGeometry(g3);
|
|
elog(ERROR,"GEOS difference() threw an error (result postgis geometry formation)!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
GEOSdeleteGeometry(g3);
|
|
|
|
////compressType(result); // convert multi* to single item if appropriate
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, geom2, result);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
}
|
|
|
|
|
|
//select pointonsurface('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))');
|
|
PG_FUNCTION_INFO_V1(pointonsurface);
|
|
Datum pointonsurface(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
Geometry *g1,*g3;
|
|
PG_LWGEOM *result;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
g3 = GEOSpointonSurface(g1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
if (g3 == NULL)
|
|
{
|
|
elog(ERROR,"GEOS pointonsurface() threw an error!");
|
|
GEOSdeleteGeometry(g1);
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
// elog(NOTICE,"result: %s", GEOSasText(g3) ) ;
|
|
|
|
GEOSSetSRID(g3, pglwgeom_getSRID(geom1));
|
|
#ifdef PROFILE
|
|
profstart(PROF_G2P);
|
|
#endif
|
|
result = GEOS2POSTGIS(g3, (TYPE_NDIMS(geom1->type) > 2));
|
|
#ifdef PROFILE
|
|
profstop(PROF_G2P);
|
|
#endif
|
|
if (result == NULL)
|
|
{
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g3);
|
|
elog(ERROR,"GEOS pointonsurface() threw an error (result postgis geometry formation)!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g3);
|
|
|
|
// convert multi* to single item if appropriate
|
|
//compressType(result);
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, NULL, result);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
}
|
|
|
|
PG_FUNCTION_INFO_V1(centroid);
|
|
Datum centroid(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom, *result;
|
|
Geometry *geosgeom, *geosresult;
|
|
int failure;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
geosgeom = POSTGIS2GEOS(geom);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
geosresult = GEOSGetCentroid(geosgeom, &failure);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
if ( geosresult == NULL )
|
|
{
|
|
if ( failure ) {
|
|
GEOSdeleteGeometry(geosgeom);
|
|
elog(ERROR,"GEOS getCentroid() threw an error!");
|
|
}
|
|
GEOSdeleteGeometry(geosgeom);
|
|
PG_RETURN_NULL();
|
|
}
|
|
|
|
GEOSSetSRID(geosresult, pglwgeom_getSRID(geom));
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_G2P);
|
|
#endif
|
|
result = GEOS2POSTGIS(geosresult, (TYPE_NDIMS(geom->type) > 2));
|
|
#ifdef PROFILE
|
|
profstop(PROF_G2P);
|
|
#endif
|
|
if (result == NULL)
|
|
{
|
|
GEOSdeleteGeometry(geosgeom);
|
|
GEOSdeleteGeometry(geosresult);
|
|
elog(ERROR,"Error in GEOS-PGIS conversion");
|
|
PG_RETURN_NULL();
|
|
}
|
|
GEOSdeleteGeometry(geosgeom);
|
|
GEOSdeleteGeometry(geosresult);
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom, NULL, result);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom, 0);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------
|
|
|
|
|
|
|
|
void errorIfGeometryCollection(PG_LWGEOM *g1, PG_LWGEOM *g2)
|
|
{
|
|
int t1 = lwgeom_getType(g1->type);
|
|
int t2 = lwgeom_getType(g2->type);
|
|
|
|
if ( (t1 == COLLECTIONTYPE) || (t2 == COLLECTIONTYPE) )
|
|
elog(ERROR,"Relate Operation called with a LWGEOMCOLLECTION type. This is unsupported");
|
|
}
|
|
|
|
PG_FUNCTION_INFO_V1(isvalid);
|
|
Datum isvalid(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
LWGEOM *lwgeom;
|
|
bool result;
|
|
Geometry *g1;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
lwgeom = lwgeom_deserialize(SERIALIZED_FORM(geom1));
|
|
if ( ! lwgeom )
|
|
{
|
|
lwerror("unable to deserialize input");
|
|
}
|
|
g1 = LWGEOM2GEOS(lwgeom);
|
|
if ( ! g1 )
|
|
{
|
|
lwgeom_release(lwgeom);
|
|
PG_RETURN_BOOL(FALSE);
|
|
}
|
|
lwgeom_release(lwgeom);
|
|
//g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
result = GEOSisvalid(g1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
GEOSdeleteGeometry(g1);
|
|
if (result == 2)
|
|
{
|
|
elog(ERROR,"GEOS isvalid() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, NULL, NULL);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
|
|
PG_RETURN_BOOL(result);
|
|
}
|
|
|
|
|
|
// overlaps(PG_LWGEOM g1,PG_LWGEOM g2)
|
|
// returns if GEOS::g1->overlaps(g2) returns true
|
|
// throws an error (elog(ERROR,...)) if GEOS throws an error
|
|
PG_FUNCTION_INFO_V1(overlaps);
|
|
Datum overlaps(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
Geometry *g1,*g2;
|
|
bool result;
|
|
BOX2DFLOAT4 box1, box2;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
errorIfGeometryCollection(geom1,geom2);
|
|
|
|
/*
|
|
* short-circuit 1: if geom2 bounding box does not overlap
|
|
* geom1 bounding box we can prematurely return FALSE.
|
|
* Do the test IFF BOUNDING BOX AVAILABLE.
|
|
*/
|
|
if ( getbox2d_p(SERIALIZED_FORM(geom1), &box1) &&
|
|
getbox2d_p(SERIALIZED_FORM(geom2), &box2) )
|
|
{
|
|
if ( box2.xmax < box1.xmin ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.xmin > box1.xmax ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.ymax < box1.ymin ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.ymin > box2.ymax ) PG_RETURN_BOOL(FALSE);
|
|
}
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
result = GEOSrelateOverlaps(g1,g2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
if (result == 2)
|
|
{
|
|
elog(ERROR,"GEOS overlaps() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, geom2, NULL);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_BOOL(result);
|
|
}
|
|
|
|
|
|
|
|
PG_FUNCTION_INFO_V1(contains);
|
|
Datum contains(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
Geometry *g1,*g2;
|
|
bool result;
|
|
BOX2DFLOAT4 box1, box2;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
errorIfGeometryCollection(geom1,geom2);
|
|
|
|
/*
|
|
* short-circuit 1: if geom2 bounding box is not completely inside
|
|
* geom1 bounding box we can prematurely return FALSE.
|
|
* Do the test IFF BOUNDING BOX AVAILABLE.
|
|
*/
|
|
if ( getbox2d_p(SERIALIZED_FORM(geom1), &box1) &&
|
|
getbox2d_p(SERIALIZED_FORM(geom2), &box2) )
|
|
{
|
|
if ( box2.xmin < box1.xmin ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.xmax > box1.xmax ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.ymin < box1.ymin ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.ymax > box1.ymax ) PG_RETURN_BOOL(FALSE);
|
|
}
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
result = GEOSrelateContains(g1,g2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
|
|
if (result == 2)
|
|
{
|
|
elog(ERROR,"GEOS contains() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, geom2, NULL);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_BOOL(result);
|
|
}
|
|
|
|
|
|
PG_FUNCTION_INFO_V1(within);
|
|
Datum within(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
Geometry *g1,*g2;
|
|
bool result;
|
|
BOX2DFLOAT4 box1, box2;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
errorIfGeometryCollection(geom1,geom2);
|
|
|
|
/*
|
|
* short-circuit 1: if geom1 bounding box is not completely inside
|
|
* geom2 bounding box we can prematurely return FALSE.
|
|
* Do the test IFF BOUNDING BOX AVAILABLE.
|
|
*/
|
|
if ( getbox2d_p(SERIALIZED_FORM(geom1), &box1) &&
|
|
getbox2d_p(SERIALIZED_FORM(geom2), &box2) )
|
|
{
|
|
if ( box1.xmin < box2.xmin ) PG_RETURN_BOOL(FALSE);
|
|
if ( box1.xmax > box2.xmax ) PG_RETURN_BOOL(FALSE);
|
|
if ( box1.ymin < box2.ymin ) PG_RETURN_BOOL(FALSE);
|
|
if ( box1.ymax > box2.ymax ) PG_RETURN_BOOL(FALSE);
|
|
}
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
result = GEOSrelateWithin(g1,g2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
|
|
if (result == 2)
|
|
{
|
|
elog(ERROR,"GEOS within() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, geom2, NULL);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_BOOL(result);
|
|
}
|
|
|
|
|
|
|
|
PG_FUNCTION_INFO_V1(crosses);
|
|
Datum crosses(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
Geometry *g1,*g2;
|
|
bool result;
|
|
BOX2DFLOAT4 box1, box2;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
errorIfGeometryCollection(geom1,geom2);
|
|
|
|
/*
|
|
* short-circuit 1: if geom2 bounding box does not overlap
|
|
* geom1 bounding box we can prematurely return FALSE.
|
|
* Do the test IFF BOUNDING BOX AVAILABLE.
|
|
*/
|
|
if ( getbox2d_p(SERIALIZED_FORM(geom1), &box1) &&
|
|
getbox2d_p(SERIALIZED_FORM(geom2), &box2) )
|
|
{
|
|
if ( box2.xmax < box1.xmin ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.xmin > box1.xmax ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.ymax < box1.ymin ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.ymin > box2.ymax ) PG_RETURN_BOOL(FALSE);
|
|
}
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
result = GEOSrelateCrosses(g1,g2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
|
|
if (result == 2)
|
|
{
|
|
elog(ERROR,"GEOS crosses() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, geom2, NULL);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_BOOL(result);
|
|
}
|
|
|
|
|
|
|
|
PG_FUNCTION_INFO_V1(intersects);
|
|
Datum intersects(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
Geometry *g1,*g2;
|
|
bool result;
|
|
BOX2DFLOAT4 box1, box2;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
errorIfGeometryCollection(geom1,geom2);
|
|
|
|
/*
|
|
* short-circuit 1: if geom2 bounding box does not overlap
|
|
* geom1 bounding box we can prematurely return FALSE.
|
|
* Do the test IFF BOUNDING BOX AVAILABLE.
|
|
*/
|
|
if ( getbox2d_p(SERIALIZED_FORM(geom1), &box1) &&
|
|
getbox2d_p(SERIALIZED_FORM(geom2), &box2) )
|
|
{
|
|
if ( box2.xmax < box1.xmin ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.xmin > box1.xmax ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.ymax < box1.ymin ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.ymin > box2.ymax ) PG_RETURN_BOOL(FALSE);
|
|
}
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1 );
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2 );
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
result = GEOSrelateIntersects(g1,g2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
if (result == 2)
|
|
{
|
|
elog(ERROR,"GEOS intersects() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("intr",geom1, geom2, NULL);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_BOOL(result);
|
|
}
|
|
|
|
|
|
PG_FUNCTION_INFO_V1(touches);
|
|
Datum touches(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
Geometry *g1,*g2;
|
|
bool result;
|
|
BOX2DFLOAT4 box1, box2;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
errorIfGeometryCollection(geom1,geom2);
|
|
|
|
/*
|
|
* short-circuit 1: if geom2 bounding box does not overlap
|
|
* geom1 bounding box we can prematurely return FALSE.
|
|
* Do the test IFF BOUNDING BOX AVAILABLE.
|
|
*/
|
|
if ( getbox2d_p(SERIALIZED_FORM(geom1), &box1) &&
|
|
getbox2d_p(SERIALIZED_FORM(geom2), &box2) )
|
|
{
|
|
if ( box2.xmax < box1.xmin ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.xmin > box1.xmax ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.ymax < box1.ymin ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.ymin > box2.ymax ) PG_RETURN_BOOL(FALSE);
|
|
}
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1 );
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2 );
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
result = GEOSrelateTouches(g1,g2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
|
|
if (result == 2)
|
|
{
|
|
elog(ERROR,"GEOS touches() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, geom2, NULL);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_BOOL(result);
|
|
}
|
|
|
|
|
|
PG_FUNCTION_INFO_V1(disjoint);
|
|
Datum disjoint(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
Geometry *g1,*g2;
|
|
bool result;
|
|
BOX2DFLOAT4 box1, box2;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
errorIfGeometryCollection(geom1,geom2);
|
|
|
|
/*
|
|
* short-circuit 1: if geom2 bounding box does not overlap
|
|
* geom1 bounding box we can prematurely return TRUE.
|
|
* Do the test IFF BOUNDING BOX AVAILABLE.
|
|
*/
|
|
if ( getbox2d_p(SERIALIZED_FORM(geom1), &box1) &&
|
|
getbox2d_p(SERIALIZED_FORM(geom2), &box2) )
|
|
{
|
|
if ( box2.xmax < box1.xmin ) PG_RETURN_BOOL(TRUE);
|
|
if ( box2.xmin > box1.xmax ) PG_RETURN_BOOL(TRUE);
|
|
if ( box2.ymax < box1.ymin ) PG_RETURN_BOOL(TRUE);
|
|
if ( box2.ymin > box2.ymax ) PG_RETURN_BOOL(TRUE);
|
|
}
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
result = GEOSrelateDisjoint(g1,g2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
|
|
if (result == 2)
|
|
{
|
|
elog(ERROR,"GEOS disjoin() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, geom2, NULL);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_BOOL(result);
|
|
}
|
|
|
|
|
|
PG_FUNCTION_INFO_V1(relate_pattern);
|
|
Datum relate_pattern(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
char *patt;
|
|
bool result;
|
|
Geometry *g1,*g2;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
errorIfGeometryCollection(geom1,geom2);
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
patt = DatumGetCString(DirectFunctionCall1(textout,
|
|
PointerGetDatum(PG_GETARG_DATUM(2))));
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
result = GEOSrelatePattern(g1,g2,patt);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
pfree(patt);
|
|
|
|
if (result == 2)
|
|
{
|
|
elog(ERROR,"GEOS relate_pattern() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, geom2, NULL);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_BOOL(result);
|
|
}
|
|
|
|
|
|
|
|
PG_FUNCTION_INFO_V1(relate_full);
|
|
Datum relate_full(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
Geometry *g1,*g2;
|
|
char *relate_str;
|
|
int len;
|
|
text *result;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
//elog(NOTICE,"in relate_full()");
|
|
|
|
geom1 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
errorIfGeometryCollection(geom1,geom2);
|
|
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
//elog(NOTICE,"GEOS init()");
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1 );
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2 );
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
//elog(NOTICE,"constructed geometries ");
|
|
|
|
if ((g1==NULL) || (g2 == NULL))
|
|
elog(NOTICE,"g1 or g2 are null");
|
|
|
|
//elog(NOTICE,GEOSasText(g1));
|
|
//elog(NOTICE,GEOSasText(g2));
|
|
|
|
//elog(NOTICE,"valid g1 = %i", GEOSisvalid(g1));
|
|
//elog(NOTICE,"valid g2 = %i",GEOSisvalid(g2));
|
|
|
|
//elog(NOTICE,"about to relate()");
|
|
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
relate_str = GEOSrelate(g1, g2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
//elog(NOTICE,"finished relate()");
|
|
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
|
|
if (relate_str == NULL)
|
|
{
|
|
//free(relate_str);
|
|
elog(ERROR,"GEOS relate() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
len = strlen(relate_str) + VARHDRSZ;
|
|
|
|
result= palloc(len);
|
|
VARATT_SIZEP(result) = len;
|
|
//*((int *) result) = len;
|
|
|
|
memcpy(VARDATA(result), relate_str, len-VARHDRSZ);
|
|
|
|
free(relate_str);
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, geom2, NULL);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
}
|
|
|
|
//==============================
|
|
|
|
PG_FUNCTION_INFO_V1(geomequals);
|
|
Datum geomequals(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom1;
|
|
PG_LWGEOM *geom2;
|
|
Geometry *g1,*g2;
|
|
bool result;
|
|
BOX2DFLOAT4 box1, box2;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom1 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
geom2 = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(1));
|
|
|
|
errorIfGeometryCollection(geom1,geom2);
|
|
|
|
/*
|
|
* short-circuit 1: if geom2 bounding box does not equal
|
|
* geom1 bounding box we can prematurely return FALSE.
|
|
* Do the test IFF BOUNDING BOX AVAILABLE.
|
|
*/
|
|
if ( getbox2d_p(SERIALIZED_FORM(geom1), &box1) &&
|
|
getbox2d_p(SERIALIZED_FORM(geom2), &box2) )
|
|
{
|
|
if ( box2.xmax != box1.xmax ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.xmin != box1.xmin ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.ymax != box1.ymax ) PG_RETURN_BOOL(FALSE);
|
|
if ( box2.ymin != box2.ymin ) PG_RETURN_BOOL(FALSE);
|
|
}
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G2);
|
|
#endif
|
|
g2 = POSTGIS2GEOS(geom2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G2);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
result = GEOSequals(g1,g2);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
GEOSdeleteGeometry(g1);
|
|
GEOSdeleteGeometry(g2);
|
|
|
|
if (result == 2)
|
|
{
|
|
elog(ERROR,"GEOS equals() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom1, geom2, NULL);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom1, 0);
|
|
PG_FREE_IF_COPY(geom2, 1);
|
|
|
|
PG_RETURN_BOOL(result);
|
|
}
|
|
|
|
PG_FUNCTION_INFO_V1(issimple);
|
|
Datum issimple(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom;
|
|
Geometry *g1;
|
|
int result;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom = (PG_LWGEOM *) PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
|
|
if (lwgeom_getnumgeometries(SERIALIZED_FORM(geom)) == 0)
|
|
PG_RETURN_BOOL(true);
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
//elog(NOTICE,"GEOS init()");
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom);
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
result = GEOSisSimple(g1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
GEOSdeleteGeometry(g1);
|
|
|
|
if (result == 2)
|
|
{
|
|
elog(ERROR,"GEOS issimple() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom, NULL, NULL);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom, 0);
|
|
|
|
PG_RETURN_BOOL(result);
|
|
}
|
|
|
|
PG_FUNCTION_INFO_V1(isring);
|
|
Datum isring(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom;
|
|
Geometry *g1;
|
|
int result;
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_QRUN);
|
|
#endif
|
|
|
|
geom = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
|
|
if (lwgeom_getType(geom->type) != LINETYPE)
|
|
{
|
|
elog(ERROR,"isring() should only be called on a LINE");
|
|
}
|
|
|
|
if (lwgeom_getnumgeometries(SERIALIZED_FORM(geom)) == 0)
|
|
PG_RETURN_BOOL(false);
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
//elog(NOTICE,"GEOS init()");
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_P2G1);
|
|
#endif
|
|
g1 = POSTGIS2GEOS(geom );
|
|
#ifdef PROFILE
|
|
profstop(PROF_P2G1);
|
|
#endif
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
#endif
|
|
result = GEOSisRing(g1);
|
|
#ifdef PROFILE
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
GEOSdeleteGeometry(g1);
|
|
|
|
if (result == 2)
|
|
{
|
|
elog(ERROR,"GEOS isring() threw an error!");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
#ifdef PROFILE
|
|
profstop(PROF_QRUN);
|
|
profreport("geos",geom, NULL, NULL);
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom, 0);
|
|
|
|
PG_RETURN_BOOL(result);
|
|
}
|
|
|
|
|
|
|
|
//= GEOS <=> POSTGIS CONVERSION =========================
|
|
|
|
//-----=GEOS2POSTGIS=
|
|
|
|
// Return a LWPOINT from a GEOS Point.
|
|
LWPOINT *
|
|
lwpoint_from_geometry(Geometry *g, char want3d)
|
|
{
|
|
POINTARRAY *pa;
|
|
LWPOINT *point;
|
|
POINT3D *pts;
|
|
size_t ptsize = want3d ? sizeof(POINT3DZ) : sizeof(POINT2D);
|
|
int SRID = GEOSGetSRID(g);
|
|
|
|
#ifdef PGIS_DEBUG_GEOS2POSTGIS
|
|
elog(NOTICE, "lwpoint_from_geometry: point size %d", ptsize);
|
|
#endif
|
|
|
|
// Construct point array
|
|
pa = (POINTARRAY *)lwalloc(sizeof(POINTARRAY));
|
|
TYPE_SETZM(pa->dims, want3d, 0);
|
|
pa->npoints = 1;
|
|
|
|
// Fill point array
|
|
pa->serialized_pointlist = lwalloc(ptsize);
|
|
pts = GEOSGetCoordinates(g);
|
|
memcpy(pa->serialized_pointlist, pts, ptsize);
|
|
GEOSdeleteChar( (char*) pts);
|
|
|
|
// Construct LWPOINT
|
|
point = lwpoint_construct(SRID, NULL, pa);
|
|
|
|
return point;
|
|
}
|
|
|
|
// Return a LWLINE from a GEOS linestring
|
|
LWLINE *
|
|
lwline_from_geometry(Geometry *g, char want3d)
|
|
{
|
|
POINTARRAY *pa;
|
|
LWLINE *line;
|
|
int npoints;
|
|
POINT3D *pts, *ip;
|
|
int ptsize = want3d ? sizeof(POINT3D) : sizeof(POINT2D);
|
|
int i;
|
|
int SRID = GEOSGetSRID(g);
|
|
|
|
#ifdef PGIS_DEBUG_GEOS2POSTGIS
|
|
elog(NOTICE, "lwline_from_geometry: point size %d", ptsize);
|
|
#endif
|
|
|
|
npoints = GEOSGetNumCoordinate(g);
|
|
if (npoints <2) return NULL;
|
|
|
|
// Construct point array
|
|
pa = (POINTARRAY *)palloc(sizeof(POINTARRAY));
|
|
TYPE_SETZM(pa->dims, want3d, 0);
|
|
pa->npoints = npoints;
|
|
|
|
// Fill point array
|
|
pa->serialized_pointlist = palloc(ptsize*npoints);
|
|
pts = GEOSGetCoordinates(g);
|
|
for (i=0; i<npoints; i++)
|
|
{
|
|
ip = &(pts[i]);
|
|
memcpy(getPoint_internal(pa, i), ip, ptsize);
|
|
}
|
|
GEOSdeleteChar( (char*) pts);
|
|
|
|
// Construct LWPOINT
|
|
line = lwline_construct(SRID, NULL, pa);
|
|
|
|
return line;
|
|
}
|
|
|
|
// Return a LWPOLY from a GEOS polygon
|
|
LWPOLY *
|
|
lwpoly_from_geometry(Geometry *g, char want3d)
|
|
{
|
|
POINTARRAY **rings, *pa;
|
|
LWPOLY *poly;
|
|
int ndims = want3d ? 3 : 2;
|
|
int nrings;
|
|
int npoints;
|
|
int i, j;
|
|
POINT3D *pts, *ip;
|
|
int ptoff=0; // point offset inside POINT3D *
|
|
int ptsize = sizeof(double)*ndims;
|
|
int SRID = GEOSGetSRID(g);
|
|
|
|
#ifdef PGIS_DEBUG_GEOS2POSTGIS
|
|
elog(NOTICE, "lwpoly_from_geometry: point size %d", ptsize);
|
|
#endif
|
|
|
|
// Get number of rings, and pointlist
|
|
pts = GEOSGetCoordinates(g);
|
|
nrings = GEOSGetNumInteriorRings(g);
|
|
rings = (POINTARRAY **)palloc(sizeof(POINTARRAY *)*(nrings+1));
|
|
|
|
// Exterior ring
|
|
npoints = GEOSGetNumCoordinate(GEOSGetExteriorRing(g));
|
|
rings[0] = (POINTARRAY *)palloc(sizeof(POINTARRAY));
|
|
pa = rings[0];
|
|
TYPE_SETZM(pa->dims, want3d, 0);
|
|
pa->npoints = npoints;
|
|
|
|
// Fill point array
|
|
pa->serialized_pointlist = palloc(ptsize*npoints);
|
|
for (i=0; i<npoints; i++)
|
|
{
|
|
ip = &(pts[i+ptoff]);
|
|
memcpy(getPoint_internal(pa, i), ip, ptsize);
|
|
}
|
|
ptoff+=npoints;
|
|
|
|
// Interior rings
|
|
for (j=0; j<nrings; j++)
|
|
{
|
|
npoints = GEOSGetNumCoordinate(GEOSGetInteriorRingN(g, j));
|
|
rings[j+1] = (POINTARRAY *)palloc(sizeof(POINTARRAY));
|
|
pa = rings[j+1];
|
|
TYPE_SETZM(pa->dims, want3d, 0);
|
|
pa->npoints = npoints;
|
|
|
|
// Fill point array
|
|
pa->serialized_pointlist = palloc(ptsize*npoints);
|
|
for (i=0; i<npoints; i++)
|
|
{
|
|
ip = &(pts[i+ptoff]);
|
|
memcpy(getPoint_internal(pa, i), ip, ptsize);
|
|
}
|
|
ptoff+=npoints;
|
|
}
|
|
|
|
GEOSdeleteChar( (char*) pts);
|
|
|
|
// Construct LWPOLY
|
|
poly = lwpoly_construct(SRID, NULL, nrings+1, rings);
|
|
|
|
return poly;
|
|
}
|
|
|
|
// Return a lwcollection from a GEOS multi*
|
|
LWCOLLECTION *
|
|
lwcollection_from_geometry(Geometry *geom, char want3d)
|
|
{
|
|
uint32 ngeoms;
|
|
LWGEOM **geoms = NULL;
|
|
LWCOLLECTION *ret;
|
|
int type = GEOSGeometryTypeId(geom) ;
|
|
int SRID = GEOSGetSRID(geom);
|
|
int i;
|
|
|
|
ngeoms = GEOSGetNumGeometries(geom);
|
|
|
|
#ifdef PGIS_DEBUG_GEOS2POSTGIS
|
|
lwnotice("lwcollection_from_geometry: type: %s, geoms %d",
|
|
lwgeom_typename(type), ngeoms);
|
|
#endif
|
|
|
|
if ( ngeoms ) geoms = lwalloc(sizeof(LWGEOM *)*ngeoms);
|
|
|
|
for (i=0; i<ngeoms; i++)
|
|
{
|
|
Geometry *g = GEOSGetGeometryN(geom, i);
|
|
#ifdef PGIS_DEBUG_GEOS2POSTGIS
|
|
lwnotice("lwcollection_from_geometry: geom %d is a %s", i, lwgeom_typename(GEOSGeometryTypeId(g)));
|
|
#endif
|
|
geoms[i] = lwgeom_from_geometry(g, want3d);
|
|
#ifdef PGIS_DEBUG_GEOS2POSTGIS
|
|
lwnotice("lwcollection_from_geometry: geoms[%d] is a %s", i, lwgeom_typename(TYPE_GETTYPE(geoms[i]->type)));
|
|
#endif
|
|
}
|
|
|
|
ret = lwcollection_construct(type, SRID, NULL, ngeoms, geoms);
|
|
return ret;
|
|
}
|
|
|
|
|
|
// Return an LWGEOM from a Geometry
|
|
LWGEOM *
|
|
lwgeom_from_geometry(Geometry *geom, char want3d)
|
|
{
|
|
int type = GEOSGeometryTypeId(geom) ;
|
|
bool hasZ = GEOSHasZ(geom);
|
|
|
|
if ( ! hasZ )
|
|
{
|
|
if ( want3d )
|
|
{
|
|
//elog(NOTICE, "Geometry has no Z, won't provide one");
|
|
want3d = 0;
|
|
}
|
|
}
|
|
|
|
#ifdef PGIS_DEBUG_GEOS2POSTGIS
|
|
lwnotice("lwgeom_from_geometry: it's a %s", lwgeom_typename(type));
|
|
#endif
|
|
switch (type)
|
|
{
|
|
/* From slower to faster.. compensation rule :) */
|
|
|
|
case COLLECTIONTYPE:
|
|
case MULTIPOLYGONTYPE:
|
|
case MULTILINETYPE:
|
|
case MULTIPOINTTYPE:
|
|
return (LWGEOM *)lwcollection_from_geometry(geom, want3d);
|
|
|
|
case POLYGONTYPE:
|
|
return (LWGEOM *)lwpoly_from_geometry(geom, want3d);
|
|
|
|
case LINETYPE:
|
|
return (LWGEOM *)lwline_from_geometry(geom, want3d);
|
|
|
|
case POINTTYPE:
|
|
return (LWGEOM *)lwpoint_from_geometry(geom, want3d);
|
|
|
|
default:
|
|
lwerror("lwgeom_from_geometry: unknown geometry type: %d", type);
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
PG_LWGEOM *
|
|
GEOS2POSTGIS(Geometry *geom, char want3d)
|
|
{
|
|
LWGEOM *lwgeom;
|
|
PG_LWGEOM *result;
|
|
|
|
lwgeom = lwgeom_from_geometry(geom, want3d);
|
|
if ( ! lwgeom )
|
|
{
|
|
lwerror("GEOS2POSTGIS: lwgeom_from_geometry returned NULL");
|
|
return NULL;
|
|
}
|
|
|
|
#ifdef PGIS_DEBUG_GEOS2POSTGIS
|
|
lwnotice("GEOS2POSTGIS: lwgeom_from_geometry returned a %s", lwgeom_summary(lwgeom, 0));
|
|
#endif
|
|
|
|
if ( is_worth_caching_lwgeom_bbox(lwgeom) )
|
|
{
|
|
lwgeom_addBBOX(lwgeom);
|
|
}
|
|
|
|
result = pglwgeom_serialize(lwgeom);
|
|
|
|
return result;
|
|
}
|
|
|
|
//-----=POSTGIS2GEOS=
|
|
|
|
Geometry *LWGEOM2GEOS(LWGEOM *lwgeom);
|
|
|
|
Geometry *
|
|
LWGEOM2GEOS(LWGEOM *lwgeom)
|
|
{
|
|
uint32 i;
|
|
Geometry **collected;
|
|
LWCOLLECTION *col;
|
|
if ( ! lwgeom ) return NULL;
|
|
|
|
#ifdef PGIS_DEBUG_POSTGIS2GEOS
|
|
lwnotice("LWGEOM2GEOS: got lwgeom[%p]", lwgeom);
|
|
#endif
|
|
|
|
switch (TYPE_GETTYPE(lwgeom->type))
|
|
{
|
|
case POINTTYPE:
|
|
#ifdef PGIS_DEBUG_POSTGIS2GEOS
|
|
lwnotice("LWGEOM2GEOS: point[%p]", lwgeom);
|
|
#endif
|
|
return PostGIS2GEOS_point((LWPOINT *)lwgeom);
|
|
|
|
case LINETYPE:
|
|
#ifdef PGIS_DEBUG_POSTGIS2GEOS
|
|
lwnotice("LWGEOM2GEOS: line[%p]", lwgeom);
|
|
#endif
|
|
return PostGIS2GEOS_linestring((LWLINE *)lwgeom);
|
|
|
|
case POLYGONTYPE:
|
|
#ifdef PGIS_DEBUG_POSTGIS2GEOS
|
|
lwnotice("LWGEOM2GEOS: poly[%p]", lwgeom);
|
|
#endif
|
|
return PostGIS2GEOS_polygon((LWPOLY *)lwgeom);
|
|
|
|
case MULTIPOINTTYPE:
|
|
case MULTILINETYPE:
|
|
case MULTIPOLYGONTYPE:
|
|
case COLLECTIONTYPE:
|
|
col = (LWCOLLECTION *)lwgeom;
|
|
#ifdef PGIS_DEBUG_POSTGIS2GEOS
|
|
lwnotice("LWGEOM2GEOS: %s with %d subgeoms", lwgeom_typename(TYPE_GETTYPE(col->type)), col->ngeoms);
|
|
#endif
|
|
collected = (Geometry **)lwalloc(sizeof(Geometry *)*col->ngeoms);
|
|
for (i=0; i<col->ngeoms; i++)
|
|
{
|
|
collected[i] = LWGEOM2GEOS(col->geoms[i]);
|
|
}
|
|
return PostGIS2GEOS_collection(TYPE_GETTYPE(col->type),
|
|
collected, col->ngeoms, col->SRID,
|
|
TYPE_NDIMS(col->type)>2);
|
|
|
|
default:
|
|
lwerror("Unknown geometry type: %d",
|
|
TYPE_GETTYPE(lwgeom->type));
|
|
return NULL;
|
|
}
|
|
|
|
}
|
|
|
|
Geometry *
|
|
POSTGIS2GEOS(PG_LWGEOM *geom)
|
|
{
|
|
Geometry *ret;
|
|
LWGEOM *lwgeom = lwgeom_deserialize(SERIALIZED_FORM(geom));
|
|
if ( ! lwgeom )
|
|
{
|
|
lwerror("POSTGIS2GEOS: unable to deserialize input");
|
|
return NULL;
|
|
}
|
|
ret = LWGEOM2GEOS(lwgeom);
|
|
lwgeom_release(lwgeom);
|
|
if ( ! ret ) {
|
|
lwerror("POSTGIS2GEOS conversion failed");
|
|
return NULL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
PG_FUNCTION_INFO_V1(GEOSnoop);
|
|
Datum GEOSnoop(PG_FUNCTION_ARGS)
|
|
{
|
|
PG_LWGEOM *geom;
|
|
Geometry *geosgeom;
|
|
PG_LWGEOM *result;
|
|
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
geom = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
|
|
#ifdef PGIS_DEBUG_CONVERTER
|
|
elog(NOTICE, "GEOSnoop: IN: %s", unparse_WKT(SERIALIZED_FORM(geom), malloc, free));
|
|
#endif
|
|
|
|
geosgeom = POSTGIS2GEOS(geom);
|
|
if ( ! geosgeom ) PG_RETURN_NULL();
|
|
|
|
#ifdef PROFILE
|
|
profstart(PROF_GRUN);
|
|
profstop(PROF_GRUN);
|
|
#endif
|
|
|
|
result = GEOS2POSTGIS(geosgeom, TYPE_NDIMS(geom->type) > 2);
|
|
GEOSdeleteGeometry(geosgeom);
|
|
|
|
#ifdef PGIS_DEBUG_CONVERTER
|
|
elog(NOTICE, "GEOSnoop: OUT: %s", unparse_WKT(SERIALIZED_FORM(result), malloc, free));
|
|
#endif
|
|
|
|
PG_FREE_IF_COPY(geom, 0);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
}
|
|
|
|
PG_FUNCTION_INFO_V1(GEOS_polygonize_garray);
|
|
Datum GEOS_polygonize_garray(PG_FUNCTION_ARGS)
|
|
{
|
|
Datum datum;
|
|
ArrayType *array;
|
|
int is3d = 0;
|
|
unsigned int nelems, i;
|
|
PG_LWGEOM *result;
|
|
Geometry *geos_result;
|
|
Geometry **vgeoms;
|
|
int SRID=-1;
|
|
size_t offset;
|
|
#ifdef PGIS_DEBUG
|
|
static int call=1;
|
|
#endif
|
|
|
|
#ifdef PGIS_DEBUG
|
|
call++;
|
|
#endif
|
|
|
|
datum = PG_GETARG_DATUM(0);
|
|
|
|
/* Null array, null geometry (should be empty?) */
|
|
if ( (Pointer *)datum == NULL ) PG_RETURN_NULL();
|
|
|
|
array = (ArrayType *) PG_DETOAST_DATUM(datum);
|
|
|
|
nelems = ArrayGetNItems(ARR_NDIM(array), ARR_DIMS(array));
|
|
|
|
#ifdef PGIS_DEBUG
|
|
elog(NOTICE, "GEOS_polygonize_garray: number of elements: %d", nelems);
|
|
#endif
|
|
|
|
if ( nelems == 0 ) PG_RETURN_NULL();
|
|
|
|
/* Ok, we really need geos now ;) */
|
|
initGEOS(MAXIMUM_ALIGNOF);
|
|
|
|
vgeoms = palloc(sizeof(Geometry *)*nelems);
|
|
offset = 0;
|
|
for (i=0; i<nelems; i++)
|
|
{
|
|
PG_LWGEOM *geom = (PG_LWGEOM *)(ARR_DATA_PTR(array)+offset);
|
|
offset += INTALIGN(geom->size);
|
|
|
|
vgeoms[i] = POSTGIS2GEOS(geom);
|
|
if ( ! i )
|
|
{
|
|
SRID = pglwgeom_getSRID(geom);
|
|
}
|
|
else
|
|
{
|
|
if ( SRID != pglwgeom_getSRID(geom) )
|
|
{
|
|
elog(ERROR, "polygonize: operation on mixed SRID geometries");
|
|
PG_RETURN_NULL();
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef PGIS_DEBUG
|
|
elog(NOTICE, "GEOS_polygonize_garray: invoking GEOSpolygonize");
|
|
#endif
|
|
|
|
geos_result = GEOSpolygonize(vgeoms, nelems);
|
|
#ifdef PGIS_DEBUG
|
|
elog(NOTICE, "GEOS_polygonize_garray: GEOSpolygonize returned");
|
|
#endif
|
|
//pfree(vgeoms);
|
|
if ( ! geos_result ) PG_RETURN_NULL();
|
|
|
|
GEOSSetSRID(geos_result, SRID);
|
|
result = GEOS2POSTGIS(geos_result, is3d);
|
|
GEOSdeleteGeometry(geos_result);
|
|
if ( result == NULL )
|
|
{
|
|
elog(ERROR, "GEOS2POSTGIS returned an error");
|
|
PG_RETURN_NULL(); //never get here
|
|
}
|
|
|
|
//compressType(result);
|
|
|
|
PG_RETURN_POINTER(result);
|
|
|
|
}
|
|
|
|
PG_FUNCTION_INFO_V1(JTSnoop);
|
|
Datum JTSnoop(PG_FUNCTION_ARGS)
|
|
{
|
|
elog(NOTICE, "JTS support is disabled, use GEOSnoop instead");
|
|
PG_RETURN_NULL();
|
|
}
|