Made AstroPy completely optional for all functions, including ECI conversions
added tests for times coming in from Pandas and Xarray.
Note: removed PyPy from Travis-CI because Travis has old PyPy versions. However PyMap3D does still work with the current release of PyPy3 (6.0)
1.7.9
aer2eci` was accidentally hidden before.
1.7.8
added functions * `track2` (like Matlab) * `loxodrome_inverse` (like Matlab `distance('rh'`,...)` `azimuth('rh', ...)`) * some auxillary functions in `lox.py`
1.7.7
1.7.6
Ellipsoid() now covers more Earth ellipsoid systems as well as a couple other planetary bodies such as Mars, Venus and the Moon. Feel free to pull request your own as usual, or ask.
Using Numpy ≥ 1.10.0 `broadcast_to` instead of `tile` in `vreckon` `vdist` to reduce memory usage and improve speed by using views instead of copies.