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    Salut JF,<br>
    Not sure... perhaps 0 is her no data value in her original DEM...
    just a guess.   <br>
    <br>
    This could help...<br>
    <br>
<a class="moz-txt-link-freetext" href="http://gis.stackexchange.com/questions/33764/how-to-change-null-values-raster-values-to-0-in-qgis" target="_top" rel="nofollow" link="external">http://gis.stackexchange.com/questions/33764/how-to-change-null-values-raster-values-to-0-in-qgis</a><br>
<a class="moz-txt-link-freetext" href="http://gis.stackexchange.com/questions/81640/how-to-set-all-pixels-with-value-0-to-nodata-in-dem-raster" target="_top" rel="nofollow" link="external">http://gis.stackexchange.com/questions/81640/how-to-set-all-pixels-with-value-0-to-nodata-in-dem-raster</a><br>
    <br>
    <div class="moz-cite-prefix">Le 2015-01-27 15:10, jfprieur [via
      OSGeo.org] a écrit :<br>
    </div>
    <blockquote style='border-left:2px solid #CCCCCC;padding:0 1em' cite="mid:1422389414948-5184038.post@n6.nabble.com"
      type="cite"> Merci Nicolas ;)
      <br>
      <br>
      I understand your explanation but why does Kavinda's example set
      the result to the rasters nodata value eg. he does not have to set
      the nodata value to 0 manually. Seems to be using float as well. I
      must not be seeing something obvious. Thanks for your patience. <br>
      <br>
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