Import numpy as np, as convention goes.
Implement workflow inside ipython notebook. Change the order of arguments in the main function (ofilename and parameters) and reflect change in average.py.
Complete workflow in the ipython notebook. Without averaging with neighbours.
Change main.py to what is in the ipython notebook. Add helper file that regroups redundant functions from ftdata.py and voxels.py. Remove tests.py since a lot of the tests will now not work.
Normalisation function is called differently.