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I have the following code:

var cloudShadowBitMask = (1 << 3);
var cloudsBitMask = (1 << 5) ;
qa.BitwiseAnd(cloudShadowBitMask).Eq(0).And(qa.BitwiseAnd(cloudsBitMask).Eq(0));

Can anyone explain the methods to me?

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1 Answer 1

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There is a long post here that explains some of the details: Cloud mask for Landsat8 on Google Earth Engine

If you still have questions; it helps to ask specific ones. Else you are refered to the forum of earth engine for details: https://groups.google.com/forum/#!forum/google-earth-engine-developers

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