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NAME - Imports SRTM HGT files into raster map.


raster, import, SRTM

SYNOPSIS --help [-1] input=name [output=name] [--overwrite] [--help] [--verbose] [--quiet] [--ui]


Input is a 1-arcsec tile (default: 3-arcsec)
Allow output files to overwrite existing files
Print usage summary
Verbose module output
Quiet module output
Force launching GUI dialog


input=name [required]
Name of SRTM input tile (file without extension)
Name for output raster map (default: input tile)

Table of contents

DESCRIPTION imports SRTM HGT files into GRASS. SRTM Version 1 and improved Version 2 data sets can be downloaded from NASA at this site:

Gap-filled SRTM Version 3 data can be downloaded from USGS at this site:


SRTM tiles are of 1 degree by 1 degree size. The SRTM filename contains the coordinates which refer to the center of the lower left pixel (e.g., N51E010: lower left cell center at 10E, 51N). To identify a tile name, a grid can be easily visualized by d.grid:
d.grid size=1
To import TOPEX/SRTM30 PLUS data, use


M. Neteler, 2005. SRTM and VMAP0 data in OGR and GRASS. GRASS Newsletter, Vol.3, pp. 2-6, June 2005. ISSN 1614-8746.

SEE ALSO, (Addon), (Addon)

The Shuttle Radar Topography Mission homepage at NASA's JPL.
The SRTM Web Forum


Markus Neteler
Improved by W. Kyngesburye and H. Bowman
Update for SRTM V3 by Markus Metz


Available at: source code (history)

Latest change: Thursday Jan 26 14:10:26 2023 in commit: cdd84c130cea04b204479e2efdc75c742efc4843

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