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Open Printable/Searchable Copy - Global Mapper

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Download Online Imagery/Topo/Terrain Maps<br />

<strong>Global</strong> <strong>Mapper</strong> User's Manual<br />

The Download Online Imagery/Topo/Terrain Maps command allows the user to download mapping data from<br />

numerous built-in and user-supplied sources. This includes premium access to high resolution color imagery<br />

for the entire world from DigitalGlobe, worldwide street maps from <strong>Open</strong>StreetMap.org, as well as seamless<br />

USGS topographic maps and satellite imagery for the entire United States from<br />

MSRMaps.com/TerraServer-USA. In addition, access is provided to several built-in WMS (<strong>Open</strong>GC Web<br />

Map Server) databases to provide easy access to digitial terrain data (NED and SRTM) as well as color<br />

satellite imagery (Landsat7) for the entire world. You can also add your own WMS data sources for access to<br />

any data published on a WMS server.<br />

This is an extremely powerful feature as it puts many terabytes of usually very expensive data right at your<br />

fingertips in <strong>Global</strong> <strong>Mapper</strong> for no additional cost (with the exception of access to the un-watermarked<br />

DigitalGlobe imagery, which is not free). Note that this feature requires Internet access to work.<br />

When you select the menu command, the Select Online Data Source to Download dialog (pictured below) is<br />

displayed. This dialog allows you to select the type, or theme, of data to download, as well as the extents of<br />

the data to download. You can either select to download the current screen bounds, an area to download<br />

around an address, specify a lat/lon bounds explicitly, or select to download the entire data source.<br />

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