The programs available here will let you merge SRTM digital elevation model tiles (1 arcsec for SRTM1, 3 arcsec for SRTM3) or ASTER GDEM tiles (1 arcsec) in one file
→ Download mosaique_srtm1.zip (GPL-3.0 license - v1.2.4 - Jan 2016)
→ Download mosaique_srtm3.zip (GPL-3.0 license - v1.2.4 - Jan 2016)
→ Download mosaique_aster_gdem.zip (GPL-3.0 license - v1.2.4 - Sep 2016)
| mosaique_srtm1.py arg1 arg2 |
| mosaique_srtm3.py arg1 arg2 |
| mosaique_aster_gdem.py arg0 arg1 arg2 |
| arg0 | ASTER GDEM V1 or V2 (= 1 or 2) |
| arg1 | mosaic's top-left corner (ex: N02W002) |
| arg2 | mosaic's bottom-right corner (ex: S02E002) |
By default, tiles must be stored in the current directory, and the output will be generated there too. You can modify these parameters by editing chemin_dalles_srtm (or chemin_dalles_aster) and output_dir in the programs.