[mehrnoosh]

Hello

one month ago, I worked with SARPROZ on TerraSAR-X images in Tehran area. everything was ok. But Now, I faced with this message for DEM.

leggi_srtm: Warning! file D:\Tehran\..\SRTM\N35E051.hgt is all zeros!!

leggi_srtm: Warning! file D:\Tehran\..\SRTM\N36E051.hgt is all zeros!!

This can not downloag srtm and the value of them is zero.

Please guide me.

Regards

[periz]

https://sarproz.com/manual/choose_dem.html

The tool automatically downloads SRTM files from internet

If anything fails, a message is printed but the tool
does not stop running

If a SRTM file is not found, it is created and filled with zeros

To re-download a file that was filled with zeros, delete it (the software will warn you if a
file filled with zeros is found)

SRTM files can be manually placed in DirSite/../SRTM

Please update your software version (check previous posts in the forum about that), if it is old, it is pointing to obsolete SRTM repositories
best

[Author]

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