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PyGeodesy
Package pygeodesy :: Module units :: Class FIx
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Class FIx

          object --+            
                   |            
               float --+        
                       |        
      object --+       |        
               |       |        
    named._Named --+   |        
                   |   |        
unitsBase._NamedUnit --+        
                       |        
         unitsBase.Float --+    
                           |    
                      Float_ --+
                               |
                              FIx

A named Fractional Index, an int or float index into a list or tuple of points, typically. A float Fractional Index fi represents a location on the edge between points[int(fi)] and points[(int(fi) + 1) % len(points)].

Instance Methods
 
fractional(self, points, wrap=None, LatLon=None, Vector=None, **kwds)
Return the point at this Fractional Index.

Inherited from unitsBase.Float: __repr__, __str__, toRepr, toStr

Inherited from float: __abs__, __add__, __coerce__, __div__, __divmod__, __eq__, __float__, __floordiv__, __format__, __ge__, __getattribute__, __getformat__, __getnewargs__, __gt__, __hash__, __int__, __le__, __long__, __lt__, __mod__, __mul__, __ne__, __neg__, __nonzero__, __pos__, __pow__, __radd__, __rdiv__, __rdivmod__, __rfloordiv__, __rmod__, __rmul__, __rpow__, __rsub__, __rtruediv__, __setformat__, __sub__, __truediv__, __trunc__, as_integer_ratio, conjugate, fromhex, hex, is_integer

Inherited from named._Named: __imatmul__, __matmul__, __rmatmul__, attrs, classof, copy, dup, methodname, rename, toStr2

Inherited from object: __delattr__, __init__, __reduce__, __reduce_ex__, __setattr__, __sizeof__, __subclasshook__

Static Methods
a new object with type S, a subtype of T
__new__(cls, fi, fin=None, **name_Error)
New Fractional Index in a list or tuple of points.
Properties
  fin
Get the given len, the index [n] wrapped to [0] (int).

Inherited from float: imag, real

Inherited from unitsBase._NamedUnit: std_repr, units

Inherited from named._Named: classname, classnaming, iteration, name, named, named2, named3, named4, sizeof

Inherited from object: __class__

Method Details

__new__ (cls, fi, fin=None, **name_Error)
Static Method

 

New Fractional Index in a list or tuple of points.

Arguments:
  • fi - The fractional index (float or int).
  • fin - Optional len, the number of points, the index [n] wrapped to [0] (int or None).
  • name_Error - Optional keyword argument name=NN and Error=UnitError.
Returns: a new object with type S, a subtype of T
The fi (named FIx).
Raises:
  • Error - Invalid arg or arg below low or above high.
Overrides: object.__new__

Note: The returned fi may exceed the flen of the original points in certain open/closed cases.

See Also: Method fractional or function pygeodesy.fractional.

fractional (self, points, wrap=None, LatLon=None, Vector=None, **kwds)

 

Return the point at this Fractional Index.

Arguments:
  • points - The points (LatLon[], Numpy2LatLon[], Tuple2LatLon[] or other[]).
  • wrap - If True, wrap or normalize and unroll the points (bool) None for backward compatible LatLon2Tuple or LatLon with averaged lat- and longitudes.
  • LatLon - Optional class to return the intermediate, fractional point (LatLon) or None.
  • Vector - Optional class to return the intermediate, fractional point (Cartesian, Vector3d) or None.
  • kwds - Optional, additional LatLon or Vector keyword arguments, ignored if both LatLon and Vector are None.
Returns:
See function pygeodesy.fractional.
Raises:
  • IndexError - This fractional index invalid or points not subscriptable or not closed.
  • TypeError - Invalid LatLon, Vector or kwds argument.

See Also: Function pygeodesy.fractional.


Property Details

fin

Get the given len, the index [n] wrapped to [0] (int).

Get method:
fin(self) - Get the given len, the index [n] wrapped to [0] (int).
Set method:
_fset_error(inst, val) - Throws an AttributeError, always.
Delete Method:
_fdel(inst) - Zap the cached/memoized property value.

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