# Interface PolarCS

All Superinterfaces:
  `CoordinateSystem, IdentifiedObject`

All Known Implementing Classes:
  `DefaultPolarCS`

@UML(identifier="CS_PolarCS", specification=ISO_19111) public interface PolarCS extends CoordinateSystem
A two-dimensional coordinate system in which position is specified by the distance from the origin and the angle between the line from the origin to a point and a reference direction. A `PolarCS` shall have two axis associations.

Used with CRS type(s)
`Engineering`

Since:
  1.0
See Also:
  - `CylindricalCS`

- ## Field Summary

  ### Fields inherited from interface IdentifiedObject

  `ALIAS_KEY, IDENTIFIERS_KEY, NAME_KEY, REMARKS_KEY`

- ## Method Summary

  ### Methods inherited from interface CoordinateSystem

  `getAxis, getDimension`

  ### Methods inherited from interface IdentifiedObject

  `getAlias, getIdentifiers, getName, getRemarks, toWKT`