returns the z value . concode_field_sep double x concode_elem_sep double y concode_elem_sep double z concode_field_sep double getX concode_elem_sep double getY concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep double dot concode_elem_sep Vector cross concode_elem_sep double getLength concode_elem_sep String toString
double function ( ) { return z ; }