Abstract: A method of calibrating an apparatus for pointing spatial coordinates, wherein said apparatus comprises a moveable hand-held probe, having a pointing tip for pointing at said spatial coordinates, and a portable base unit, wherein said portable base unit is provided with sensors for measuring, in a predefined three dimensional, 3D, working area surrounding said portable base unit, a relative position of said pointed spatial coordinates with respect to said portable base unit, wherein said method comprises the steps of determining an actual 3D working area for a particular measurement, wherein said actual 3D working area is a sub-area of said predefined 3D working area, calibrating said apparatus in said actual 3D working area.

Abstract: A method of calibrating an apparatus for pointing spatial coordinates, wherein said apparatus comprises a moveable hand-held probe, having a pointing tip for pointing at said spatial coordinates, and a portable base unit, wherein said portable base unit is provided with sensors for measuring, in a predefined three dimensional, 3D, working area surrounding said portable base unit, a relative position of said pointed spatial coordinates with respect to said portable base unit, wherein said method comprises the steps of determining an actual 3D working area for a particular measurement, wherein said actual 3D working area is a sub-area of said predefined 3D working area, calibrating said apparatus in said actual 3D working area.

Abstract: A method of determining a target spatial coordinate using an apparatus comprising a movable hand-held probe, having a body and a pointing element for pointing the target spatial coordinate, and a portable base unit provided with line-of-sight distance coupling means, wherein the hand-held probe is coupled to the base unit by said line-of-sight distance coupling means, coupled to the body at an attachment point, and wherein the base unit is provided with sensors providing measuring signals for measuring length or a change in length of the line-of-sight distance coupling means and rotation of said line-of-sight distance coupling means in at least one degree of freedom. Computer-controlled processing means are arranged for processing measuring signals. The method further comprising retrieving measuring signals wherein the target spatial coordinate is appointed from different orientations of the hand-held probe, and determining the target spatial coordinate from the measuring signals.

Abstract: An apparatus for pointing spatial coordinates, comprising a movable hand-held probe, having a pointing tip, and a portable base unit provided with a rotatably supported elongated arm, wherein the hand-held probe connects to the portable base unit by means of a cord or a wire via the elongated arm and wherein the base unit is provided with sensors for measuring length or a change in length of the cord or the wire and rotation of the arm in at least one degree of freedom, and computer-controlled processing means for processing measuring signals delivered by the sensors into position data of the hand-held probe.

Abstract: A method of determining a target spatial coordinate using an apparatus comprising a movable hand-held probe, having a body and a pointing element for pointing the target spatial coordinate, and a portable base unit provided with line-of-sight distance coupling means, wherein the hand-held probe is coupled to the base unit by said line-of-sight distance coupling means, coupled to the body at an attachment point, and wherein the base unit is provided with sensors providing measuring signals for measuring length or a change in length of the line-of-sight distance coupling means and rotation of said line-of-sight distance coupling means in at least one degree of freedom. Computer-controlled processing means are arranged for processing measuring signals. The method further comprising retrieving measuring signals wherein the target spatial coordinate is appointed from different orientations of the hand-held probe, and determining the target spatial coordinate from the measuring signals.

Abstract: An apparatus for pointing spatial coordinates, comprising a movable hand-held probe, having a pointing tip, and a portable base unit provided with a rotatably supported elongated arm, wherein the hand-held probe connects to the portable base unit by means of a cord or a wire via the elongated arm and wherein the base unit is provided with sensors for measuring length or a change in length of the cord or the wire and rotation of the arm in at least one degree of freedom, and computer-controlled processing means for processing measuring signals delivered by the sensors into position data of the hand-held probe.