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Wrong cell values after conversion to a NumPy-Array?

Question asked by AndiB90 on Oct 15, 2014
Latest reply on Oct 15, 2014 by Dalshearer

Hello Comunity,

 

Due to my Bachelor Thesis I am working on some python-scripts für ArcGIS.

At the Moment, I develop a script for rastermanipulation by modifying the cell values. My dataset contains cell values from 1,000093 to 4,43723 metres, on which I want to perform some height-modification. Therefore, I convert the raster to a NumPy-array, which contains surprisingly cell values from -3,40282e+038 to 4,43723 metres.

How does this min-value came across my data?

I guess, it is a "nodata"-value which cause probles with the "float32"-datatype, but I am not sure.

Maybe I can find some help around here.

 

Regards,

André

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