[GRASS-user] Re: Need some help in converting a contour map to
DEM map...
Micha Silver
micha at arava.co.il
Mon Nov 29 04:25:37 EST 2010
On 29/11/2010 11:18, nikmor wrote:
> hello sir
>
> I have a LANDSAT image imported in my mapset using r.in.gdal. I used
> r.composite to combine the rgb files. After all these, now if I wants to get
> the pixel value on click of a mouse on the raster map. Is it possible for me
> to somehow get the pixel value (that is red, blue and green color values
> which should lie within 0-255 range) on click. I need some help.
>
Yes, *before* you combine the bands. If you select one band
and use the query button in the GUI interface, you'll get the
pixel value of that band at the click location.
> Thanks in advance..
> Nikhil
--
Micha Silver
http://www.surfaces.co.il/
Arava Development Co. +972-52-3665918
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