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

[Nicolas Cadieux]

Raster statistics for polygons? Check under SAGA.
Nicolas

> Le 30 juill. 2019 à 15:37, C Hamilton <adenaculture at gmail.com> a écrit :
> 
> 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
>>> 
>>> 
>>> _______________________________________________
>>> Qgis-user mailing list
>>> Qgis-user at lists.osgeo.org
>>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
>>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
>> _______________________________________________
>> Qgis-user mailing list
>> Qgis-user at lists.osgeo.org
>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/qgis-user/attachments/20190730/f25bb145/attachment.html>