make_geos_segment()

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

Definition at line 534 of file liblwgeom/lwgeom_geos.c.

References dumpnode::geom.

Referenced by dbscan_update_context(), and geos_envelope_surrogate().

{
        GEOSCoordSequence* seq = GEOSCoordSeq_create(2, 2);
        GEOSGeometry* geom = NULL;

        if (!seq)
                return NULL;

        GEOSCoordSeq_setX(seq, 0, x1);
        GEOSCoordSeq_setY(seq, 0, y1);
        GEOSCoordSeq_setX(seq, 1, x2);
        GEOSCoordSeq_setY(seq, 1, y2);

        geom = GEOSGeom_createLineString(seq);
        if (!geom)
                GEOSCoordSeq_destroy(seq);
        return geom;
}

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