: gdal-dev@lists.osgeo.org
Subject: Re: [gdal-dev] Raster statistics
Thanks Chris for your reply.
I forgot to mention I'm not using GDAL with Python.
I use it with C++ and/or C#.
Paul
[http://www.bontepaarden.nl/bontepaarden/images/newButton.png]Paul Meems
Release manager, configuration ma
Thanks Chris for your reply.
I forgot to mention I'm not using GDAL with Python.
I use it with C++ and/or C#.
Paul
*Paul Meems *
Release manager, configuration manager
and forum moderator of MapWindow GIS.
www.mapwindow.org
Owner of MapWindow.nl - Support for
Dutch speaking users.
www.mapwin
I would not use gdal for this particular task. I presume you have the band data
in a 2D numpy array. Then I’d get the 80th percentile for example with
np.percentile() and use a boolean expression to generate a mask for the array
(droneraster > perc80value ).
Chris
--
Christine (Chris) Waigl -
I have a drone raster file which I want to use for some calculation.
Before the calculation, I need to loose some extreme values.
I want to do something like a percentile calculation where you get all
values, order them and loose the top 10%.
For this, I need to get all values first which can be sl