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PyGeodesy3
Package pygeodesy3 :: Package geodesic :: Module solve :: Class GeodesicLineSolve
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Class GeodesicLineSolve

        object --+                        
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miscs.named._Named --+                    
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miscs.named._NamedBase --+                
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     Base.karney._CapsBase --+            
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        Base.solve._SolveBases --+        
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             Base.solve._SolveBase --+    
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                    _GeodesicSolveBase --+
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            object --+                   |
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    miscs.named._Named --+               |
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    miscs.named._NamedBase --+           |
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         Base.karney._CapsBase --+       |
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            Base.solve._SolveBases --+   |
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             Base.solve._SolveLineBase --+
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                                        GeodesicLineSolve

Wrapper to invoke Karney's GeodSolve as an Exact version of Karney's Python class GeodesicLine.

Notes:
Instance Methods
 
__init__(self, geodesic, lat1, lon1, azi1, caps=32640, name='')
New GeodesicLineSolve instance, allowing points to be found along a geodesic starting at (lat1, lon1) with azimuth azi1.
 
ArcPosition(self, a12, outmask='UNUSED')
Find the position on the line given a12.
 
Intersecant2(self, lat0, lon0, radius, **kwds)
Not implemented, throws a NotImplementedError always.
 
PlumbTo(self, lat0, lon0, **kwds)
Not implemented, throws a NotImplementedError always.
 
Position(self, s12, outmask='UNUSED')
Find the position on the line given s12.
 
toStr(self, **prec_sep)
Return this GeodesicLineSolve as string.

Inherited from Base.solve._SolveBase: Direct, Inverse, Inverse1

Inherited from Base.solve._SolveBases: invoke

Inherited from Base.karney._CapsBase: caps_

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

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

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

Class Variables

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

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

Inherited from _GeodesicSolveBase: GeodSolve

Inherited from Base.solve._SolveBase: a, datum, ellipsoid, f, flattening

Inherited from Base.solve._SolveLineBase: lat1, lon1

Inherited from Base.solve._SolveBases: Exact, invokation, prec, reverse2, status, unroll, verbose, version

Inherited from Base.karney._CapsBase: caps, debug

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

Inherited from object: __class__

Method Details

__init__ (self, geodesic, lat1, lon1, azi1, caps=32640, name='')
(Constructor)

 

New GeodesicLineSolve instance, allowing points to be found along a geodesic starting at (lat1, lon1) with azimuth azi1.

Arguments:
  • geodesic - The geodesic to use (GeodesicSolve).
  • lat1 - Latitude of the first point (degrees).
  • lon1 - Longitude of the first point (degrees).
  • azi1 - Azimuth at the first points (compass degrees).
  • caps - Bit-or'ed combination of Caps values specifying the capabilities the GeodesicLineSolve instance should possess, always Caps.ALL. Use Caps.LINE_OFF if updates to the geodesic should not be reflected in this GeodesicLineSolve instance.
  • name - Optional name (str).
Raises:
  • GeodesicError - Invalid path for the GeodSolve executable or or isn't the GeodSolve executable, see property geodesic.GeodSolve.
  • TypeError - Invalid geodesic.
Overrides: object.__init__

ArcPosition (self, a12, outmask='UNUSED')

 

Find the position on the line given a12.

Arguments:
  • a12 - Spherical arc length from the first point to the second point (degrees).
Returns:
A GDict with 12 items lat1, lon1, azi1, lat2, lon2, azi2, m12, a12, s12, M12, M21, S12.

Position (self, s12, outmask='UNUSED')

 

Find the position on the line given s12.

Arguments:
  • s12 - Distance from the first point to the second (meter).
Returns:
A GDict with 12 items lat1, lon1, azi1, lat2, lon2, azi2, m12, a12, s12, M12, M21, S12, possibly a12=NAN.

toStr (self, **prec_sep)

 

Return this GeodesicLineSolve 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:
GeodesicLineSolve items (str).
Overrides: miscs.named._Named.toStr

Property Details

azi1

Get the azimuth at the first point (compass degrees).

Get method:
azi1(self) - Get the azimuth at the first point (compass degrees).
Set method:
_fset_error(inst, val) - Throws an AttributeError, always.
Delete Method:
_fdel(inst) - Zap the cached/memoized property value.

azi12

Get the azimuth at the first point (compass degrees).

Get method:
azi1(self) - Get the azimuth at the first point (compass degrees).
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 the first point's azimuth (2-tuple (sin, cos)).

Get method:
azi1_sincos2(self) - Get the sine and cosine of the first point'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.

azi12_sincos2

Get the sine and cosine of the first point's azimuth (2-tuple (sin, cos)).

Get method:
azi1_sincos2(self) - Get the sine and cosine of the first point'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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PyGeodesy3
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