[GRASS-user] read null cell with python

[Frank DAVID]

Hello,

I'm writing a script where i need to read rasters to get cells values. 
I'm using :

     a  =  garray.array()
     a.read(map)

It seems that null cells are read as 0.0 How to make the difference with 
zero ?

I'm using Grass 7.6.1 on Linux Debian9

Thanks for your help

Frank

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