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

[C Hamilton]

Nicolas,

Thanks. That might just do the job although it would be nicer to have
something a little more interactive.

Calvin

On Tue, Jul 30, 2019 at 3:13 PM Nicolas Cadieux <
nicolas.cadieux at archeotec.ca> wrote:

> 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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