When observing an aggregated map (e.g. "pioggia" of the last 15' aggregated at "comuni" level), the change of time period (e.g. I want to see the last 30' map) should not imply that the interpolated map is showed.
The system now remembers the last selected third level. If the users selects a map that has no third level (like Temperature) the selection returns to the default interpolated map.
When observing an aggregated map (e.g. "pioggia" of the last 15' aggregated at "comuni" level), the change of time period (e.g. I want to see the last 30' map) should not imply that the interpolated map is showed.