The Point4d type exposes the following members.
Returns an indication regarding the validity of this point.
Gets the value of a point with all coordinates set as RhinoMath.UnsetValue.
Gets or sets the W (fourth) coordinate -or weight- of this point.
Gets or sets the X (first) coordinate of this point.
Gets or sets the Y (second) coordinate of this point.
Gets or sets the Z (third) coordinate of this point.