small fix _roundtrackerAngle
before hte function would drop NAs, potentially making the resulting dataframe smaller than teh original one.
@@ -3648,7 +3648,7 @@ class MetObj:
def _roundArbitrary(x, base=angledelta):
# round to nearest 'base' value.
# mask NaN's to avoid rounding error message
- return base * (x.dropna()/float(base)).round()
+ return base * (x/float(base)).round()
if angledelta == 0:
raise ZeroDivisionError('Angledelta = 0. Use None instead')
