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PyGeodesy
Package pygeodesy :: Package rhumb :: Module solve :: Class RhumbLineSolve
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Class RhumbLineSolve

       object --+                        
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     named._Named --+                    
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     named._NamedBase --+                
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         karney._CapsBase --+            
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solveBase._SolveLineSolveBase --+        
                                |        
             solveBase._SolveBase --+    
                                    |    
                      _RhumbSolveBase --+
                                        |
           object --+                   |
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         named._Named --+               |
                        |               |
         named._NamedBase --+           |
                            |           |
             karney._CapsBase --+       |
                                |       |
    solveBase._SolveLineSolveBase --+   |
                                    |   |
             solveBase._SolveLineBase --+
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                                       RhumbLineSolve

Wrapper to invoke Karney's RhumbSolve like a class, similar to pygeodesy.RhumbLine and pygeodesy.RhumbLineAux.

Notes:
Instance Methods
 
__init__(self, rhumb, lat1, lon1, azi12, caps=3968, name='')
New RhumbLineSolve instance, allowing points to be found along a rhumb starting at (lat1, lon1) with azimuth azi12.
 
Position(self, s12, **unused)
Find the position on the line given s12.
 
toStr(self, **prec_sep)
Return this RhumbLineSolve as string.

Inherited from solveBase._SolveBase: Direct, Inverse, Inverse1

Inherited from solveBase._SolveLineSolveBase: invoke

Inherited from karney._CapsBase: caps_

Inherited from named._NamedBase: __repr__, __str__, others, toRepr

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

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __setattr__, __sizeof__, __subclasshook__

Class Variables

Inherited from karney._CapsBase: ALL, AREA, AZIMUTH, DISTANCE, DISTANCE_IN, EMPTY, GEODESICSCALE, LATITUDE, LINE_OFF, LONGITUDE, LONG_UNROLL, REDUCEDLENGTH, STANDARD

Properties
  azi12
Get this rhumb line's azimuth (compass degrees).
  azi1
Get this rhumb line's azimuth (compass degrees).
  azi12_sincos2
Get the sine and cosine of this rhumb line's azimuth (2-tuple (sin, cos)).
  azi1_sincos2
Get the sine and cosine of this rhumb line's azimuth (2-tuple (sin, cos)).

Inherited from _RhumbSolveBase: RhumbSolve

Inherited from solveBase._SolveBase: a, datum, ellipsoid, f, flattening

Inherited from solveBase._SolveLineBase: lat1, lon1

Inherited from solveBase._SolveLineSolveBase: Exact, invokation, prec, reverse2, status, unroll, verbose, version

Inherited from karney._CapsBase: caps, debug

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

Inherited from object: __class__

Method Details

__init__ (self, rhumb, lat1, lon1, azi12, caps=3968, name='')
(Constructor)

 

New RhumbLineSolve instance, allowing points to be found along a rhumb starting at (lat1, lon1) with azimuth azi12.

Arguments:
  • rhumb - The rhumb to use (RhumbSolve).
  • lat1 - Latitude of the first point (degrees90).
  • lon1 - Longitude of the first point (degrees180).
  • azi12 - Azimuth of the rhumb line (compass degrees180).
  • caps - Bit-or'ed combination of Caps values specifying the capabilities the RhumbLineSolve instance should possess, always Caps.ALL. Use Caps.LINE_OFF if updates to the rhumb should not be reflected in this RhumbLineSolve instance.
  • name - Optional name (str).
Raises:
  • RhumbError - Invalid path for RhumbSolve executable or isn't the RhumbSolve executable, see property rhumb.RhumbSolve.
  • TypeError - Invalid rhumb.
Overrides: object.__init__

Position (self, s12, **unused)

 

Find the position on the line given s12.

Arguments:
  • s12 - Distance from the first point to the second (meter).
Returns:
A GDict with 7 items lat1, lon1, lat2, lon2, azi12, s12, S12.

toStr (self, **prec_sep)

 

Return this RhumbLineSolve as string.

Arguments:
  • prec_sep - Keyword argumens prec=6 and sep=', ' for the float precision, number of decimal digits (0..9) and the separator string to join. Trailing zero decimals are stripped for prec values of 1 and above, but kept for negative prec values.
Returns:
RhumbLineSolve items (str).
Overrides: named._Named.toStr

Property Details

azi12

Get this rhumb line's azimuth (compass degrees).

Get method:
azi12(self) - Get this rhumb line's azimuth (compass degrees).
Set method:
_fset_error(inst, val) - Throws an AttributeError, always.
Delete Method:
_fdel(inst) - Zap the cached/memoized property value.

azi1

Get this rhumb line's azimuth (compass degrees).

Get method:
azi12(self) - Get this rhumb line's azimuth (compass degrees).
Set method:
_fset_error(inst, val) - Throws an AttributeError, always.
Delete Method:
_fdel(inst) - Zap the cached/memoized property value.

azi12_sincos2

Get the sine and cosine of this rhumb line's azimuth (2-tuple (sin, cos)).

Get method:
azi12_sincos2(self) - Get the sine and cosine of this rhumb line's azimuth (2-tuple (sin, cos)).
Set method:
_fset_error(inst, val) - Throws an AttributeError, always.
Delete Method:
_fdel(inst) - Zap the cached/memoized property value.

azi1_sincos2

Get the sine and cosine of this rhumb line's azimuth (2-tuple (sin, cos)).

Get method:
azi12_sincos2(self) - Get the sine and cosine of this rhumb line's azimuth (2-tuple (sin, cos)).
Set method:
_fset_error(inst, val) - Throws an AttributeError, always.
Delete Method:
_fdel(inst) - Zap the cached/memoized property value.

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