Figure 1
Freva – The Free Evaluation System Framework and its design combining several technologies into one common software solution. The System Core contains the plugin API handling tools, the history saving configurations and the data-browser where to find data. The scheme represents the basic structure of this study including its subsections.
Figure 2
The plugin list in the shell and web interface (snapshot).
Figure 3
The history in the shell and web interface (snapshot).
Figure 4
The databrowser in the shell and web interface (snapshot).
Figure 5
The basic plugin.py as example of the MoviePlotter plugin, with condensed option list for display reasons.
Figure 6
The basic usage of Freva in the shell environment including help, listing of plugins, user mistyping and missing information, and Freva suggestions to guide the user to the final result (on the right). Applying a plugin named MoviePlotter for a quick view at the sea level pressure in Pascal of ERA-Interim reanalysis around New Orleans (USA) while hurricane Katrina was hitting its coast.