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<div class="moz-cite-prefix">As Markus mentioned, please fill in
more details:<br>
* What version of GRASS, on what operating system?<br>
* What have you tried?<br>
* What error message or result are you getting?<br>
* What are you trying to achieve?<br>
<br>
<br>
On 09/28/2013 06:42 PM, Vinay Elothunkal wrote:<br>
</div>
<blockquote
cite="mid:CAEke+YGK7zLRtE6U+ORZ43e1CKWeDyPCSui=017nA1AbTQxHoA@mail.gmail.com"
type="cite">
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<div>
<div>HI,<br>
</div>
I am beginner of grass GIS. I would like to do the image
rationing. I followed the above command but shows some syntax
error. how can I go with image rationing in grass for landsat
image.<br>
</div>
thanks<br>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On Sat, Sep 28, 2013 at 6:19 PM, Markus
Neteler <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:neteler@osgeo.org" target="_blank">neteler@osgeo.org</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im">On Sat, Sep 28, 2013 at 8:56 AM, Vinay
Elothunkal <<a moz-do-not-send="true"
href="mailto:vinay223333@gmail.com">vinay223333@gmail.com</a>>
wrote:<br>
> HI,<br>
> How to do image rationing between two bands 5/2 of
landsat in grass. I used<br>
> this command ( r.mapcalc<br>
>
"ratio5_2=1.0*p126r046_7t20010929_z48_nn50/p126r046_7t20010929_z48_nn20"<br>
> d.erase<br>
> d.rast ratio5_2)<br>
> but it doesn't work<br>
<br>
</div>
Could you elaborare on "it doesn't work"?<br>
<span class="HOEnZb"><font color="#888888"><br>
Markus<br>
</font></span></blockquote>
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<br>
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<br>
<pre class="moz-signature" cols="72">--
Micha Silver
GIS Consultant, Arava Development Co.
<a class="moz-txt-link-freetext" href="http://www.surfaces.co.il">http://www.surfaces.co.il</a></pre>
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