Mapping Toolbox

globedems

GLOBE DEM file names

Syntax

• fnames = globedems(latlim,lonlim)
  

Background

GLOBE, the Global Land One-km Base Elevation data, was compiled by the National Geophysical Data Center from more than 10 different sources of gridded elevation data. The dataset consists of 16 tiles, each covering 50 by 90 degrees. Determining which files are needed to cover a particular region generally requires consulting an index map. This function takes the place of such a reference by returning the file names for a given geographic region.

Description

fname = globedems(latlim,lonlim) returns a cellarray of the file names covering the geographic region for GLOBEDEM digital elevation maps. The region is specified by scalar latitude and longitude points, or two element vectors of latitude and longitude limits in units of degrees.

Remarks

The Mapping Toolbox reads data from GLOBE version 1.0. GLOBEDEM first reads the corresponding ESRI header file found in the subdirectory '/esri/hdr/' and then the binary data file (with no extension)

Examples

Which files are needed for southern Louisiana.

• latlim =[28.61 31.31]; lonlim = [-91.24 -88.62];
  globedems(latlim,lonlim)
  
  ans = 
  
      'e10g'
      'f10g'
  
  

See Also

globedem

Read GLOBE digital elevation map data

References

<http://www.ngdc.noaa.gov/seg/topo/globe.shtml>

globedem

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