lwgeom_mindistance3d_tolerance()

double lwgeom_mindistance3d_tolerance	(	const LWGEOM *	lw1,
		const LWGEOM *	lw2,
		double	tolerance
	)

Function handling 3d min distance calculations and dwithin calculations.

The difference is just the tolerance.

Definition at line 363 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_mindistance2d_tolerance(lw1, lw2, tolerance);
        }
        DISTPTS3D thedl;
        LWDEBUG(2, "lwgeom_mindistance3d_tolerance is called");
        thedl.mode = DIST_MIN;
        thedl.distance= FLT_MAX;
        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 FLT_MAX;
}

References DIST_MIN, DISTPTS3D::distance, lw_dist3d_recursive(), LWDEBUG, lwerror(), lwgeom_has_z(), lwgeom_mindistance2d_tolerance(), lwnotice(), DISTPTS3D::mode, and DISTPTS3D::tolerance.

Referenced by intersects3d_dwithin(), LWGEOM_dwithin3d(), and lwgeom_mindistance3d().

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