make_geos_segment()

GEOSGeometry* make_geos_segment	(	double	x1,
		double	y1,
		double	x2,
		double	y2
	)

Definition at line 644 of file liblwgeom/lwgeom_geos.c.

{
        GEOSCoordSequence* seq = GEOSCoordSeq_create(2, 2);
        GEOSGeometry* geom = NULL;
 
        if (!seq) return NULL;
 
#if POSTGIS_GEOS_VERSION < 30800
        GEOSCoordSeq_setX(seq, 0, x1);
        GEOSCoordSeq_setY(seq, 0, y1);
        GEOSCoordSeq_setX(seq, 1, x2);
        GEOSCoordSeq_setY(seq, 1, y2);
#else
        GEOSCoordSeq_setXY(seq, 0, x1, y1);
        GEOSCoordSeq_setXY(seq, 1, x2, y2);
#endif
 
        geom = GEOSGeom_createLineString(seq);
        if (!geom) GEOSCoordSeq_destroy(seq);
        return geom;
}

Referenced by dbscan_update_context(), and geos_envelope_surrogate().

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