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On 11/08/2010 11:44 AM, M.E.Dodd wrote:
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<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">I have two raster layers
which have same grid cell size but
different extent and want to carry out some calculations to produce a
third
layer e.g. with the sum or difference of the other two layers. Is this
possible in qgis?</span></font></p>
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<br>
You can also use the GRASS plugin for this. Check r.mapcalculator<br>
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<pre class="moz-signature" cols="72">--
Micha Silver
Arava Development Co. +972-52-3665918
<a class="moz-txt-link-freetext" href="http://www.surfaces.co.il">http://www.surfaces.co.il</a>
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