Package pygeodesy :: Module frechet :: Class FrechetRadians |
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# Class FrechetRadians

      object --+
               |
    named._Named --+
                   |
             Frechet --+
                       |
                      FrechetRadians

Known Subclasses:
  - FrechetEquirectangular
  - , FrechetEuclidean
  - , FrechetHaversine
  - , FrechetVincentys

Frechet base class for distances in `radians` from `LatLon` points converted from `degrees` to `radians`.

Instance Methods
discrete(self, points, fraction=None) Compute the `forward, discrete Fréchet` distance. |
point(self, point) Convert `(lat, lon)` point in degrees to `(a, b)` in radians. |
Inherited from `Frechet`: `__init__`, `distance`, `points_`, `points_fraction` Inherited from `named._Named`: `__copy__`, `__repr__`, `__str__`, `classof`, `copy`, `toStr`, `toStr2` Inherited from `object`: `__delattr__`, `__format__`, `__getattribute__`, `__hash__`, `__new__`, `__reduce__`, `__reduce_ex__`, `__setattr__`, `__sizeof__`, `__subclasshook__`

Properties
Inherited from `Frechet`: `fraction`, `units` Inherited from `named._Named`: `classname`, `classnaming`, `name`, `named`, `named2` Inherited from `object`: `__class__`

Method Details

### discrete(self, points, fraction=None) |
Compute the `forward, discrete Fréchet` distance. Parameters: `points` - Second set of points (`LatLon`[], `Numpy2LatLon`[], `Tuple2LatLon`[] or `other`[]). `fraction` - Index fraction (`float` in EPS..EPS1) to interpolate intermediate `points` or `None` or `1` for no intermediate `points` and no fractional indices. Returns: A Frechet6Tuple`(fd, fi1, fi2, r, n, units)`. Raises: `FrechetError` - Insufficient number of `points` or invalid `fraction`. `RecursionError` - Recursion depth exceeded, see sys.getrecursionlimit(). Overrides: Frechet.discrete

### point(self, point) |
Convert `(lat, lon)` point in degrees to `(a, b)` in radians. Parameters: `point` - The point to convert ((`LatLon`, `Numpy2LatLon`, `Tuple2LatLon` or `other`). Returns: An PhiLam2Tuple`(phi, lam)`. Overrides: Frechet.point