Requirements

MUST HAVE

• map based app
• based on webmaps
• responsive (should work on tablets and phones as well)
• workflow 1. app is loaded online 2. user selects (navigates to) one area 3. app downloads all tiles in the area (at all zoom levels) 4. app goes offline 5. app keeps working
• app provides estimates of space and time used by tile download and storage
• app prevents loading an area that is too large
• app reports which tiles are available and which arent
• ability to use device internal storage via PhoneGap

NICE TO HAVE

• app allows to select a non rectangular area (i.e. a road)
• store caches with a name to be able to have “Gray Map – NYC” or “Streetmap – Madrid” tile stores