GBOX2GEOS()

GEOSGeometry * GBOX2GEOS

(

const GBOX *

box

)

Definition at line 369 of file liblwgeom/lwgeom_geos.c.

{
        GEOSGeometry* envelope;
        GEOSGeometry* ring;
        GEOSCoordSequence* seq = GEOSCoordSeq_create(5, 2);
        if (!seq) return NULL;
 
        GEOSCoordSeq_setXY(seq, 0, box->xmin, box->ymin);
        GEOSCoordSeq_setXY(seq, 1, box->xmax, box->ymin);
        GEOSCoordSeq_setXY(seq, 2, box->xmax, box->ymax);
        GEOSCoordSeq_setXY(seq, 3, box->xmin, box->ymax);
        GEOSCoordSeq_setXY(seq, 4, box->xmin, box->ymin);
 
        ring = GEOSGeom_createLinearRing(seq);
        if (!ring)
        {
                GEOSCoordSeq_destroy(seq);
                return NULL;
        }
 
        envelope = GEOSGeom_createPolygon(ring, NULL, 0);
        if (!envelope)
        {
                GEOSGeom_destroy(ring);
                return NULL;
        }
 
        return envelope;
}

References GBOX::xmax, GBOX::xmin, GBOX::ymax, and GBOX::ymin.

Referenced by lwgeom_voronoi_diagram().

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