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National Geographic TOPO! California Topographic Map Software for PC and Mac
TOPO! California
Some key features of the National Geographic TOPO! California mapping software are provided below. Further details can be found on the National Geographic TOPO! State product page.
TOPO! California is Compatible with Most GPS Receivers and PDAs.
TOPO! California is GPS-ready out of the box - there are no upgrades required. Easily transfer waypoints and routes between your GPS and TOPO! California by using the planning wizard. Take a look at the GPS compatibility list to check if your device has been tested.
Sample GPS
"Maps by Mail" Feature for Custom High-Resolution Prints.
TOPO! California was developed with the most detailed maps, scanned to give you the best image quality available. That means that the printed maps are clear and easy to read, with all the detail included in the USGS 1:24,000 and 1:100,000 scale maps.  Your prints are unparalleled for accuracy, detail, and beauty.  And with our new “Maps by Mail” feature, TOPO! enables you to order large, high-resolution prints of your maps, and get them delivered to your door.
Print Perfect Trail Maps.
Adventure Paper
TOPO! California allows you to select the exact area you want to print - even if it is larger than the screen or covers multiple quad maps. And the true color imaging uses millions of colors to optimize maps for viewing and printing. Print your California topo maps in color or black and white, include elevation profiles, select latitude/longitude or UTM grids, or choose from a variety of other navigation aids. You can print waterproof trail maps on Adventure Paper, or other weatherproof paper.
Other TOPO! California Mapping Software Features:
Sample Streets On/Off
  • Use the search function to find trails, camps and campgrounds, lakes and ponds, parks, cities and towns, USGS 7.5' quad names, and many more features.
  • Easily lay a road network on the 1:24,000 and 1:100,000 scale California topographic maps. And with regular updates–from superhighways to forest roads–you’ll have the confidence to find your destination.
  • Add map border information to printouts, including UTM or latitude/longitude grids, scale bars, north arrows, and magnetic declination.
  • Export customized California maps in a number of different raster file formats (.gif, .jpg, etc.) for use in other applications.
  • Toggle between NAD27 and WGS84 datums in UTM or latitude/longitude.
Live Map Update Gives You the Latest Maps and Roads.
Now you can get the latest USGS quad maps for California, updated roads, and software updates with TOPO!’s new Live Map Update feature. Live Map Update automatically searches your defined area to see if something new is available, and gives you the tools to quickly download new information to replace older maps and roads.
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