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Alright, I figured it out:
Instead of going through two consecutive steps (1. subset selected bands and save as .dim file with Subset operator; 2. export as .TIF with Write operator), I subsets the bands AND save as .tif file with the Subset operator. That simple. Beginner beginning.

Hi everyone,I am trying to export an image as a GeoTIFF file with the GPT. The input file(iFile.dim) is a Landsat 8 C1 image that I processed with L2gen, reprojected and subsetted to keep a few bands only.I used the following command:gpt.sh write.xml -Ssource=iFile.dim -t test.tifwhere "write.x...

Guys,I found the solution to my problem. Here is how, if anyone else ever face the same question:- The ReprojectedLatLog.xml  file I had initially used was seemingly corrupted. I re-copied and pasted the  ReprojectedLatLog.xml and .par files copied from the SeaDAS help webpage (https://sea...

Dear all,I am navigating my way through everything SeaDAS, and need to work with the command line, for which I am a new user as well. Without surprise, I am running through a few hitches. I am hoping someone could help me overcome these issues. I suspect it will be very straightforwards for most use...

It works like a charm!
Thanks a lot, Danny
Alice

Hi Danny,Thank you for helping figure this out. I am trying to create a true color image  from the L2 file generated from the image LC08_L1TP_017040_20150220_20170301_01_T1 with L2gen (default parameters).When selecting the Old_TrueColor_(655,561,782)_Log profile, I get an error message warning...

Hi Sean,
Thank you very much for such thorough answer!
Best regards,
Alice

Danny and Sean,Thank you so much for your reply, and sorry for being so late in mine. I have been caught up with other tasks. I finally got to give SeaDAS 7.5 a try, and it worked like a charm! Thank you for the great work!A few questions related with that, though:- Would you recommend anything else...

Hello everyone,This post is a follow up on the previous post, but let me remind the context:I am would like to inform a coastal study using a temporal series of Landsat images. To ensure data quality, I am willing to process Landsat 8 OLI - Collection 1 with l2gen for atmospheric correction, as desc...

Thank you so much Alaric, I will start a new thread as you suggested.

Kind regards,
Alice