Difference between revisions of "NED data in GridFloat format"
From PathlossWiki
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| − | This is the same NED data except in Grid float format. These files are twice as big as the BIL format. They will run a bit slower for generating network backgrounds. The files are named by the North West corner having the following syntax: | + | This is the same NED data except in Grid float format. These files are twice as big as the BIL format. They will run a bit slower for generating network backgrounds. |
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| + | == Downloading == | ||
| + | The files are named by the North West corner having the following syntax: | ||
NXXWYYY.zip | NXXWYYY.zip | ||
Revision as of 12:17, 11 March 2015
This is the same NED data except in Grid float format. These files are twice as big as the BIL format. They will run a bit slower for generating network backgrounds.
Downloading
The files are named by the North West corner having the following syntax:
NXXWYYY.zip where XX = the latiude in degrees and YYY = longitude in degrees
The files are available in two resolutions:
1" GridFloat files (covers North America):
ftp://rockyftp.cr.usgs.gov/vdelivery/Datasets/Staged/NED/1/GridFloat/
1/3" GridFloat files (covers the USA):
ftp://rockyftp.cr.usgs.gov/vdelivery/Datasets/Staged/NED/13/GridFloat/
