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<p class="MsoNormal"><span lang="EN-US" style="font-family:"Segoe UI",sans-serif;mso-fareast-language:EN-US">Hi Carolina,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Segoe UI",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Segoe UI",sans-serif;mso-fareast-language:EN-US">Is it ok to convert your rasters to polygons? You can then work out the area of the polygons and delete/hide the polygons which do not meet your area
criteria.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Segoe UI",sans-serif;mso-fareast-language:EN-US">If essential you could then rasterize these polygons at the end.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Segoe UI",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Segoe UI",sans-serif;mso-fareast-language:EN-US">Raster > Conversion > Polygonize from the QGIS menu or
</span><a href="https://gdal.org/programs/gdal_polygonize.html">https://gdal.org/programs/gdal_polygonize.html</a><span lang="EN-US" style="font-family:"Segoe UI",sans-serif;mso-fareast-language:EN-US">.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Segoe UI",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Segoe UI",sans-serif;mso-fareast-language:EN-US">From memory it does not like decimals (or truncates them).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Segoe UI",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Segoe UI",sans-serif;mso-fareast-language:EN-US">Regards,<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif;color:#005F83">Ryan Brook</span></b><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif;color:#005F83"><br>
<i>Senior Civil Engineer</i></span><span style="font-size:9.0pt;font-family:"Segoe UI",sans-serif"><br>
<b><span style="color:#005F83">E </span></b><span style="color:black"> <a href="mailto:ryan.brook@advisian.com"><span style="color:black">ryan.brook@advisian.com</span></a><br>
<b><a href="http://www.advisian.com/"><span style="color:#005F83">www.advisian.com</span></a></b></span></span><span style="font-family:"Segoe UI",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-family:"Segoe UI",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Carolina Rey <carredy@hotmail.com>
<br>
<b>Sent:</b> Sunday, 27 October 2019 22:02<br>
<b>To:</b> qgis-user@lists.osgeo.org<br>
<b>Subject:</b> [Qgis-user] Calculating/Finding minimum area in a raster<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="DE">Hello everyone,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="DE">I need to obtain a new raster based on a raster calculating a minimum area of this existing area. By that I mean that in the existing raster I want clip the areas which contain a minimum area in mē. Problem is that the existing
raster has no value in mē. It is a layer with two classes in different Colours represanting LUC (bare soil and low vegetation.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="DE">I hope my Question is understandable<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE">Thank you very much<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE">Carolina Rey<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE"><o:p> </o:p></span></p>
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