UDM file meaning

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Liliana Castillo Villamor

• October 17, 2019 12:11

I am currently using PS 3B level imagery, which includes a unusable Data Mask file. The file is a geo tiff image with one band. The pixel values range between 0 and 100 (at least from the images I've used so far). I would like to know how to interpret theses values, since I only find documentation for udm2 files which have 8 bands. I have retrieved the images from Planet Explorer.

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• Official comment

  

  Pooja Pandey

  • October 17, 2019 12:54

  Hi Liliana,

  The values for UDM can be found in our product specs on page 94 and 95:

  https://assets.planet.com/docs/combined-imagery-product-spec-final-august-2019.pdf

   

  Let me know if you have any further questions.

  Best Regards,

  Pooja

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  Liliana Castillo Villamor

  • October 17, 2019 14:37

  Dear Pooja, 

  Thank you very much for you reply. I've been through the document, however I still do not manage to interpret values such as 30 or 64, considering that there is only one band available. 

  Best regards, 

  Liliana

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