[gdal-dev] Raster data extraction

Roger André randre at gmail.com
Fri Apr 23 01:22:50 EDT 2010

Hi Brent,

You can write a program that takes in the coordinates of your sample
points as input, and then reads the pixel values in each band of the
image at that location.

Not sure if that's what you're looking for, but it works.


On Mon, Apr 19, 2010 at 2:36 PM,  <pcreso at pcreso.com> wrote:
> Hi,
> Is there a simple way (using gdal) of retrieving the colour spectra at specified sample points in georeferenced images?
> I figure GRASS has some tools to do this, as does GMT, but was wondering if GDAL could support this functionality directly.
> Lots of points/images to work through.
> Thanks,
>  Brent Wood
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