Stacks Image 2511
Grid Tool for iPhone - Feature List
(see also the overview)


Paper map view
  • "Magnifying glass": Shows GPS position on a topographic map (must be a paper map based on UTM-WGS84)
  • Indicates the corner coordinates for the current one kilometer square in a UTM grid
  • Move the map pin directly over the "magnifying glass" map view

World map view / Online map
  • The online map service in iOS 6 is the brand new Apple Maps service, with a simplified static Google Maps view available as a complement during a transition period. (In iOS 4 and 5, only Google Maps are available.)
  • Shows the position on the online map
  • Indicates the current UTM map grid square on the online map
  • Keeps the UTM square centered when moving
  • Move the map pin directly on the online map
  • Shows either map or satellite image

Coordinate converter
  • Convert WGS84 (latitude/longitude) to/from UTM (WGS84 based)
  • Convert coordinates to/from national Swedish grid: RT90 and SWEREF 99 TM
  • Convert the iPhone GPS position from lat/long to UTM coordinates
  • Fast manual coordinate conversion

Export (share) coordinates
NOTE! All features in the ”Share” menu of the app are currently (17 Feb. 2016) not working due to a bug!
  • Export to the "Maps" app
  • Export to the new Google Maps app (requires iOS 6.0 or higher)
  • Export to the Google Earth app
  • Export to other apps supporting KML files (through the Google Earth button)
  • Share as an e-mail
  • Share as an SMS
  • E-mail messages will include the UTM coordinates, the latitude/longitude, a Google Maps link and a KML file (for use with Google Earth)
  • SMS messages will include the UTM coordinates and a Google Maps link
  • Generated map pins on Google Earth and Google Maps will be tagged with the UTM coordinates (does not apply to SMS messages)

UTM zones
  • Fully automatic UTM zone handling (including the special zones around Norway and Svalbard)
  • Optional use of a fixed (manual) UTM zone

Error handling
  • Smart error handling with suggestions on how to proceed (e.g. for wrong UTM zone and position outside defined grid)

Built-in manual
  • The Help tab provides a comprehensive manual within the app

Network coverage
  • The online map (the "World Map" tab) can only be used when the iPhone is connected to the internet.
  • All other features of the app can be used even when hiking outside cellular network coverage.

Language version
  • English
  • Swedish

Requirements/Compatibility
  • iPhone 5, iPhone 4S, iPhone 4 or iPhone 3GS with iOS 4.3 or higher.
  • Remember that you will also need a paper map with a printed UTM WGS84 grid.

Disclaimer
  • All software may suffer from bugs and all electronic devices may malfunction or run out of battery. Viatact AB does not take any responsibility for injuries or losses caused directly or indirectly by the use of this app. Never go trekking in remote areas without a paper map, a traditional compass and the knowledge of how to use them!