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Landsat 8 #12

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j08lue opened this issue Jul 9, 2018 · 1 comment
Open

Landsat 8 #12

j08lue opened this issue Jul 9, 2018 · 1 comment

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@j08lue
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j08lue commented Jul 9, 2018

@olivierhagolle do you also have documentation and scripts for Landsat 8 DEM preparation, file structure, and processing with MAJA?

@olivierhagolle
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olivierhagolle commented Jul 9, 2018

Hi Jonas,

MAJA cannot process the LANDSAT 8 files delivered by USGS, because they lack an important feature.
MAJA needs that each image in a time series have the same sampling, upper left corner, projection, ground sampling distance... That's not the case with the LANDSAT L1T data whose upper left corner will change from image to image.

As a result, a resampling of each Landsat image is needed. As a result, MAJA Landsat 8 input product has its own format. We have a tool to make the format conversions within MUSCATE processing center, but we do not have it as a stand alone script. That would not be something too difficult thanks to gdal, but as USGS level 2 products are quite good (even the cloud mask thanks to the thermal band), we did not consider it as a priority. And days are short...

So as a matter of fact, I have a DEM generation tool somewhere, but the rest is still missing and would require ~one week of work, including testing...

Best regards,
Olivier

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