Topo Maps US 对比 CalTopo: Backcountry Mapping 的使用情况和统计数据

Download and view topographic maps covering the United States. Topographic maps are useful for recreational activities such as hiking, canoeing, camping, fishing, mountain biking, geocaching, and exploring. MAPS Choose from 2 map sources: USGS standard topographic or USGS hybrid topographic. OFFLINE Download maps for areas of interest to view them later when you don't have Internet access or you don't want to use cell data. TRACKING Use location tracking to show where you are on the map, your elevation, and the accuracy of the GPS signal. FLAGS Flags are included with map downloads. Add flags (waypoints) to the map to mark your current location or other locations. Import flags from other sources using GPX files and geocache LOC files. Share flags with others using email or AirDrop. Organize your flag types by color, for example, geocaches, trailheads, and summits. TRAILS Trails are included with map downloads. Import trails (tracks) using GPX files you find on the Internet or from your personal GPS track collection. Share trails with others using email or AirDrop. Organize your trail types by color, for example, mountain bike trails, hiking trails, and OHV trails. TRAIL RECORDING Record your own trails to show where you've been on the map, follow them later, and share with others. ELEVATION PROFILE Recorded trails include an elevation profile (distance/elevation chart). NAVIGATION Navigate to a flag by following the direction arrow that uses your compass heading. Useful for geocaching. MEASURE Measure the distance between points on the map. Note: Continued use of GPS running in the background can dramatically decrease battery life.

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CalTopo: Backcountry Mapping

Take the best mapping app with you wherever you go with the CalTopo app for iOS. Trusted by professional mountain guides, avalanche educators, and search and rescue teams, CalTopo has all the features you need to plan your next off-grid pursuit. Seamless integration between CalTopo online and your mobile device allows you to access and update your maps no matter where you are. Any changes you make will automatically sync across all devices, making exporting and importing your latest map a thing of the past. The CalTopo app allows you to easily take your planning and navigation to the next level. Real time decision making in backcountry terrain is made easy with the ability to download maps and layers like slope angle shading to your device for offline use. Plan for conditions on your route with sun exposure, wind, precipitation and avalanche forecasts. View and track your location on the map using GPS, even if you are offline. Share maps with your teams or travel partners to plan collaboratively, and to ensure everyone has the necessary data. Monitor real time updates from the field, like your friends progress on a long outing with live tracking on shared maps. Plan and navigate your next adventure with the CalTopo App today! Map layers include: • MapBuilder Topo, Hybrid and Overlay • Forest Service Maps • Scanned Topos • Global Imagery • Shaded Relief • Slope Angle Shading (including high resolution elevation data where available) • Parcel data • Public Lands • Weekly Satellite Imagery • NAIP Satellite Imagery • Sun Exposure • Marine Charts • Weather Forecasting (including wind, precipitation, and temperatures) • Snow and Water Gauge Data • Fire History/Activity • And many more Support and Feature Requests: Email us at help@caltopo.com.