Extract by mask arcpy script error. Bad NoData Values

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09-28-2016 09:07 AM
RyanAvery1
New Contributor

I'd really like an answer to this question that was posted here: https://community.esri.com/message/557007 

I too am trying to iterate through sub directories and extractbymask my study area from bands of Landsat data.

I'm getting the same weird output of erroneous NoData values: 0 and -37268.

Not sure why the arcpy version of this code won't work since the GUI tool works fine in arc, but I need to use arcpy to run this process on about 2000 rasters.

Thanks for your help and let me know if I can provide anymore info. I'm using 10.4.1

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RyanAvery1
New Contributor

I was able to get around this by using a bounding box that is orthogonal to the projection I'm using (as opposed to diagonal). This can be accomplished by calculating a bounding box using the Envelope option rather than the Rectangle by Area option in the Minimum bounding Geometry tool. This reduces the area to be mislabeled as 0 or -37286 to nothing!

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