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Are the images orthorectified? I imagine they have some kind of georectification at least, but correction for ground , mountains etc is kind of important for measurements for distances and area and for tracing etc


This is a great question.

Yes. Our images are orthorectified.


Second question: the area I'm interested in has notoriously bad DEMs (including Tandem-x), is it possible to download images that are not orthocorrected?


Hello!

I couldn't find this information on the website, what DEM do you use for othorectification?




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