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desruisseaux pushed a change to branch geoapi-4.0
in repository https://gitbox.apache.org/repos/asf/sis.git.


    from efb5039  Document better the algorithm source and the accuracy.
     new 1146ab5  Rename dφ as mcosα and dλ as msinα. The previous name were 
misleading since they were not displacements in degrees, but displacements in 
some conformal projection. The difference is a cos(φ) factor on northing values.
     new 7d277eb  Take flattening in account when computing (∂y/∂φ)⁻¹.

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Summary of changes:
 .../sis/referencing/GeodesicsOnEllipsoid.java      |  51 +++++----
 .../apache/sis/referencing/GeodeticCalculator.java | 116 +++++++++++----------
 .../sis/referencing/GeodeticCalculatorTest.java    |   2 +-
 3 files changed, 94 insertions(+), 75 deletions(-)

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