推荐理由：《iTopoMaps》是一款适用于苹果系统的交通类软件APP。Hikers and climbers can now access real full-resolution USGS topographic ①②④k quads with side-scrolling multi-zoom map capabilities.《iTopoMaps》大小10.4MB，在本站深受5324位玩家喜爱和下载。要找等，赶紧下载到手机吧。
In addition, quads can be graphically selected for storage on the device for access where you need it most, away from cellular and WiFi coverage!
Current Map and GPS positions are available in latitude/longitude and UTM coordinate systems.
NAD②⑦ and NAD⑧③ are supported.
Available Map Sources
USGS (United States and borders)
Toporama (Canada)
OpenCycleMap (World)
OpenStreetMap (World)
①① Zoom Levels are available to give full resolution quadrangles.
Simply pinch to zoom in or out!
Get in close for details, or zoom out to see your whole area!
Select quadrangles graphically just by double-tapping!
No need to mess with coordinates or obscure quadrangle names.
GNIS (Geographic Names Information Service) database included for Features of Interest lookup.
Lookup features (summits, waterfalls, streams, etc) and add them as waypoints!
No need to type in waypoints by hand.
You can also search the database in an area and it will label all local features.
~⑦⓪⓪k entries available at the touch of a finger!
All ⑤⓪ United States States included.
Features
- Full Resolution ①②④k USGS Quads (①⑥③k in Alaska)
- UTM and latitude/longitude
- Meters and Feet
- NAD②⑦ and NAD⑧③ datums
- Cache maps on your phone!
- Display and record Tracks
- Editable Waypoints - Just tap to place or lookup by name.
- Course and Speed
- Bearing / Distance to Waypoints
- Magnetic Declination Calculations
- Map works in portrait and landscape positions!
- GPS Location and Map following
- Look up GNIS locations from geographic formations (like Summits, Streams, Falls, Cliffs, etc) and add them as Waypoints.
Have iTopoMaps label neighboring features!
When in Grid Mode, simply double tap an area to select a quad for download!
Downloads happen in the background and can be restarted where you left out!
Wifi/③G recommended for Quad downloads.
GPS is not required for map usage, but adds to navigation functionality.
New feature requests are always welcome!
Some map data is provided by ③rd parties.
Availability and coverage are not guaranteed.
Tags GPS USGS Topo Topographics Quads Quadrangles WGS WGS⑧④ UTM Waypoints Tracks GNIS Geographic declination
