= Flow of processing =

First draft:

 * azsite: creates new HDF files and populates metadata
 * (azjps): import Javad/AT4 navigation (ATM .000 file)
 * azimport: import applanix (and other?) navigation
 * azatm*2 | azspec | azcas2+azcaschk2: import imagery
 * aznav: interpolate navigation to match scans
 * azgcorr: map L1b data to L3

 * azexhdf: dump images, information from HDFs