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Home Coordinate Systems 3D Cylindrical Coordinate System  
See also: Polar Coordinate System, Cartesian Coordinate System, Conversion between 3D Coordinate Systems, Spherical Coordinate System, Circular Cylinder  
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Cylindrical Coordinate SystemThe cylindrical coordinate system specifies the position of a point P by the combination of its distance to the zaxis (radius ρ), the angle φ between the xaxis and the line OQ, and the elevation along the zaxis. Note, that the angle is positive in counterclockwise direction and negative in clockwise direction. The value of the angle is measured in radians (0..2π) or degrees (0..360°). To specify a particular point in a cylindrical coordinate system, you indicate the coordinate values in the form [ρ, φ, z]. The ρ coordinate is called radial coordinate, the φ coordinate is called azimuthal coordinate, and the z coordinate is also called the applicate.


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