[Qgis-user] How to select a small region of a QGIS raster image and calculate basic stats

[Nicolas Cadieux]

Hi,

You could use the zonal Statistics in processing.  You would need to 
raster with different zones.

Nicolas

On 2019-07-30 2:59 p.m., C Hamilton wrote:
> I find that I need to be able to select a small area of a raster image 
> in QGIS and have it calculate basic stats such as max, min, average, 
> and median. I cannot seem to find any function to do this or a plugin 
> to do it. Am I missing the functionality somewhere? I would need to do 
> this hundreds of times as I examine peaks in magnetometry data to help 
> classify the features. Those values would then be added to a table of 
> features.
>
> If this is not an available feature does anyone know how to quickly 
> implement it? I haven't written any raster plugins yet. All my others 
> are vector related.
>
> Thanks,
>
> Calvin
>
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