Fix field coverage plot
This MR fixes issues with the field coverage plot at high Declinations (see RAP-697). A unit test for this case was added to the field test suite.
Some refactoring and cleanup of the code was also done.
This MR fixes issues with the field coverage plot at high Declinations (see RAP-697). A unit test for this case was added to the field test suite.
Some refactoring and cleanup of the code was also done.