Point, which is a subclass of Geometry . Unlike objects of type Point (which contain additional information such as an envelope, a precision model, and spatial reference system information), a Coordinate only contains ordinate values and accessor methods. Coordinates are two-dimensional points, with an additional z-ordinate. JTS does not support any operations on the z-ordinate except the basic accessor functions. Constructed coordinates will have a z-ordinate of NaN. The standard comparison functions will ignore the z-ordinate.
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