Difference between revisions of "NED data in GridFloat format"

From PathlossWiki
Jump to: navigation, search
Line 17: Line 17:
  
 
ftp://rockyftp.cr.usgs.gov/vdelivery/Datasets/Staged/NED/13/GridFloat/
 
ftp://rockyftp.cr.usgs.gov/vdelivery/Datasets/Staged/NED/13/GridFloat/
 +
 +
==Using with Pathloss 5==

Revision as of 13:18, 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/

Using with Pathloss 5