lwgeom_maxdistance3d_tolerance()

double lwgeom_maxdistance3d_tolerance ( const LWGEOM *  lw1, const LWGEOM *  lw2, double  tolerance  )

extern

Function handling 3d max distance calculations and dfullywithin calculations.

The difference is just the tolerance.

Definition at line 310 of file measures3d.c.

{
        if (!lwgeom_has_z(lw1) || !lwgeom_has_z(lw2))
        {
                lwnotice(
                    "One or both of the geometries is missing z-value. The unknown z-value will be regarded as \"any value\"");
                return lwgeom_maxdistance2d_tolerance(lw1, lw2, tolerance);
        }
        DISTPTS3D thedl;
        LWDEBUG(2, "lwgeom_maxdistance3d_tolerance is called");
        thedl.mode = DIST_MAX;
        thedl.distance = -1;
        thedl.tolerance = tolerance;
        if (lw_dist3d_recursive(lw1, lw2, &thedl))
                return thedl.distance;
 
        /* should never get here. all cases ought to be error handled earlier */
        lwerror("Some unspecified error.");
        return -1;
}

References DIST_MAX, DISTPTS3D::distance, lw_dist3d_recursive(), LWDEBUG, lwerror(), lwgeom_has_z(), lwgeom_maxdistance2d_tolerance(), lwnotice(), DISTPTS3D::mode, and DISTPTS3D::tolerance.

Referenced by LWGEOM_dfullywithin3d(), and lwgeom_maxdistance3d().

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