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Hi All,
I have downloaded a DEM file (DEM1_SAR_DTE_30_20110105T210045_20130403T211102_ADS_000000_4mAu_d0fc94f8.DEM) from the ESA Copernicus website) but QGID says it can’t open it. Any suggestions?
Cheers Grant
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Hi Juan,
I have tried opening the file in QGIS via the raster option. I have tried a couple of options but they all seem to have the DEM file extension.
I will shoot you through the page link, but you may need to be registered to see it.
Cheers Grant
Hi Juan,
This is the file selection page – see attached image.
Cheers Grant
From: australian-qg...@googlegroups.com <australian-qg...@googlegroups.com> On Behalf Of Juan Fernando Berrío
Sent: Thursday, 10 April 2025 1:50 PM
To: australian-qg...@googlegroups.com
Subject: Re: [QGIS-Australia-User-Group] Opening a DEM file
Hello Grant,

To view this discussion, visit https://groups.google.com/d/msgid/australian-qgis-user-group/013701dba9e0%244a4843e0%24ded8cba0%24%40iinet.net.au.
I think I can download to DTM data from “Open Topography” QGIS plug-in without problems, so will try that.
Cheers Grant
From: australian-qg...@googlegroups.com <australian-qg...@googlegroups.com> On Behalf Of Juan Fernando Berrío
Sent: Thursday, 10 April 2025 3:15 PM
To: australian-qg...@googlegroups.com
Subject: Re: [QGIS-Australia-User-Group] Opening a DEM file
I managed to navigate into the webpage and do a file search that produced the same files. Used these options in case anyone else wants to try:


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Hi Adam,
How do I unzip/open the .DEM file? Windows does not see it as a folder.
Cheers Grant
From: australian-qg...@googlegroups.com <australian-qg...@googlegroups.com> On Behalf Of Adam Steer
Sent: Friday, 11 April 2025 2:59 PM
To: australian-qg...@googlegroups.com
Subject: Re: [QGIS-Australia-User-Group] Opening a DEM file
G'day Grant, all
[download name[.DEM.zip
unzip to [download_name].DEM
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My PC (Win10) saw longfilename.DEM as a folder in regular windows explorer - you can see it in the snapshot I sent earlier.
These ridiculously long folder names with dots in them and multiple nested levels to get to your file are not the most friendly file naming standard I've seen tbh.
HI Grant - not sure! (linuxer here)
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My Win10 sees it as file of unknown type. Not sure how I change that?
Cheers Grant
From: australian-qg...@googlegroups.com <australian-qg...@googlegroups.com> On Behalf Of Juan Fernando Berrío
Sent: Friday, 11 April 2025 4:55 PM
To: australian-qg...@googlegroups.com
Subject: Re: [QGIS-Australia-User-Group] Opening a DEM file
My PC (Win10) saw longfilename.DEM as a folder in regular windows explorer - you can see it in the snapshot I sent earlier.
Yes, renamed to zip extension, and it unzipped.
Thanks everyone!
Cheers Grant
To view this discussion, visit https://groups.google.com/d/msgid/australian-qgis-user-group/005001dbaac6%24f565af10%24e0310d30%24%40iinet.net.au.