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Hi Poom,<br>
<br>
I see that does not work with raster calculator, but if you employ
the plugin processing (within GDAL / OGR) you'll get the result.<br>
<br>
regards,<br>
<br>
<br>
<div class="moz-cite-prefix">El 20/04/2015 a las 7:54, Poompavai V
escribió:<br>
</div>
<blockquote cite="mid:SNT151-W93D4A5736456E676D2B9A4AEE00@phx.gbl"
type="cite">
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<div dir="ltr"><font color="#000000" face="Calibri,sans-serif">Hi,</font>
<div><font color="#000000" face="Calibri,sans-serif"> I have
installed QGIS 2.8.1.</font></div>
<div><font color="#000000" face="Calibri,sans-serif">OS: Windows
7</font></div>
<div><font color="#000000" face="Calibri,sans-serif"><br>
</font></div>
<div><font color="#000000" face="Calibri,sans-serif">I am trying
to use the "Raster Calculator" for calculating the
expression log10("image.tiff"). But I get a message saying
"Expression invalid". log and ln for the same expression are
working fine. I need log to the base 10. </font></div>
<div><font color="#000000" face="Calibri,sans-serif"><br>
</font></div>
<div><font color="#000000" face="Calibri,sans-serif">Please help
me.</font></div>
<div><font color="#000000" face="Calibri,sans-serif">Thank you,</font></div>
<div><font color="#000000" face="Calibri,sans-serif">Poom.</font></div>
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<br>
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