parse_geohash()

static GBOX* parse_geohash ( char *  geohash, int  precision  )

static

Definition at line 47 of file lwgeom_in_geohash.c.

References box2d_from_geohash(), decode_geohash_bbox(), gbox_new(), geohash_lwpgerror(), gflags(), PG_FUNCTION_INFO_V1(), GBOX::xmax, GBOX::xmin, GBOX::ymax, and GBOX::ymin.

Referenced by box2d_from_geohash(), and point_from_geohash().

{
        GBOX *box = NULL;
        double lat[2], lon[2];

        POSTGIS_DEBUG(2, "parse_geohash called.");

        if (NULL == geohash)
        {
                geohash_lwpgerror("invalid GeoHash representation", 2);
        }

        decode_geohash_bbox(geohash, lat, lon, precision);

        POSTGIS_DEBUGF(2, "ST_Box2dFromGeoHash sw: %.20f, %.20f", lon[0], lat[0]);
        POSTGIS_DEBUGF(2, "ST_Box2dFromGeoHash ne: %.20f, %.20f", lon[1], lat[1]);

        box = gbox_new(gflags(0, 0, 1));

        box->xmin = lon[0];
        box->ymin = lat[0];

        box->xmax = lon[1];
        box->ymax = lat[1];

        POSTGIS_DEBUG(2, "parse_geohash finished.");
        return box;
}

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