See package raster and its extensive documentation.


Cheers,
Roman



On Sun, Mar 13, 2011 at 6:33 PM, Komine <momadou@yahoo.fr> wrote:

> Hi,
> I begin to work with R software to treat raster data.
> Now, I have a NDVI image with a tiff extension. I want to open this image
> and to extract NDVI value for some pixel which I have their coordinates.
> 1-      Please what is the code to open a tiff image with R ?
> 2-      How to extract the value of some pixel which I have their
> coordinate ?
> NB: I hope you understand my questions with my bad English.
> Thank you
>
>
> --
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>
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-- 
In God we trust, all others bring data.

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