<div dir="ltr"><div>Hi Nuno</div><div>Apologies in advance, I am no raster specialist, but perhaps try using some of the other tools such as Grass: r.resamp.stats</div><div><br></div><div>To get the information, would the <a href="https://docs.qgis.org/3.34/en/docs/user_manual/processing_algs/gdal/rastermiscellaneous.html#raster-information">GDAL Raster Information tool</a> assist?<br></div><div><br></div><div>Cheers</div><div>Em<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 7 May 2024 at 23:16, Nuno Manuel de Figueiredo de Santos Loureiro via QGIS-User <<a href="mailto:qgis-user@lists.osgeo.org">qgis-user@lists.osgeo.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div class="msg7329105691227687401">
<div dir="ltr">
<div style="font-family:Tahoma,Geneva,sans-serif;font-size:10pt;color:rgb(0,0,0)">
Dear all,</div>
<div style="font-family:Tahoma,Geneva,sans-serif;font-size:10pt;color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Tahoma,Geneva,sans-serif;font-size:10pt;color:rgb(0,0,0)">
I need to reduce the resolution of a raster, from a 30 meter pixel to a 2500 meter pixel.</div>
<div style="font-family:Tahoma,Geneva,sans-serif;font-size:10pt;color:rgb(0,0,0)">
Performing this operation via "Creating new layers from an existing layer" and using the "Resolution" raster parameter is very easy.</div>
<div style="font-family:Tahoma,Geneva,sans-serif;font-size:10pt;color:rgb(0,0,0)">
But the value of the new 2500 meter grids is not the average of the values of the 30 meter grids.</div>
<div style="font-family:Tahoma,Geneva,sans-serif;font-size:10pt;color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Tahoma,Geneva,sans-serif;font-size:10pt;color:rgb(0,0,0)">
How can I determine that in the destination grids its value is the average of the values in the original grids?</div>
<div style="font-family:Tahoma,Geneva,sans-serif;font-size:10pt;color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Tahoma,Geneva,sans-serif;font-size:10pt;color:rgb(0,0,0)">
Suggestions will be very welcome!</div>
<div style="font-family:Tahoma,Geneva,sans-serif;font-size:10pt;color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Tahoma,Geneva,sans-serif;font-size:10pt;color:rgb(0,0,0)">
Grateful,</div>
<div style="font-family:Tahoma,Geneva,sans-serif;font-size:10pt;color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Tahoma,Geneva,sans-serif;font-size:10pt;color:rgb(0,0,0)">
Nuno</div>
<div id="m_7329105691227687401Signature">
<div style="font-size:12pt;font-family:Calibri,Helvetica,sans-serif;color:rgb(0,0,0)" dir="ltr" id="m_7329105691227687401divtagdefaultwrapper">
</div>
</div>
</div>
_______________________________________________<br>
QGIS-User mailing list<br>
<a href="mailto:QGIS-User@lists.osgeo.org" target="_blank">QGIS-User@lists.osgeo.org</a><br>
List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>
Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" rel="noreferrer" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>
</div></blockquote></div><br clear="all"><br><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div style="margin-bottom:20px;font-family:verdana,sans-serif;color:rgb(68,68,68)">Emma Hain — Product Manager/Senior GIS Analyst<br>
<a href="mailto:emma@north-road.com" style="color:rgb(78,141,175);text-decoration:none" target="_blank">emma@north-road.com</a> <br></div>
<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><table>
<tbody>
<tr>
<td><img alt="https://north-road.com" src="https://ci3.googleusercontent.com/mail-sig/AIorK4z-QyPD9kQRyEtpg0YHp_bVoq466HfPMkJXDWxnwTf1qCIBS8c19W29po6b7akLq2btEedEMKg"><br></td>
<td><font color="#444444"><font face="verdana, sans-serif"><b>North Road</b><br>Cartography • Development • Spatial Analysis</font><br><hr style="height:1px;background-color:rgb(219,210,143);color:rgb(219,210,143);border:medium">
<span><font face="verdana, sans-serif"><a href="http://north-road.com" style="color:rgb(78,141,175);text-decoration:none" target="_blank"><b>north-road.com</b></a><span></span><br><a href="https://twitter.com/northroadgeo" target="_blank"><img src="https://ci3.googleusercontent.com/mail-sig/AIorK4xbsQ72BNIM2cWMZcuEKVer1Bwaq_gqYkdbtrjK2ifrqv-4o7aWjcvilgYXtNGpXLNgD00xgmQ"></a></font></span></font><a href="https://www.linkedin.com/company/north-road-studios" target="_blank"><img src="https://ci3.googleusercontent.com/mail-sig/AIorK4zEBWGJKio8gqmFT0h_51t4ZnmoGgbmV7SeL-4FKvwWApFWDWyK7p-c0-cSskUe7pjQzjEZj9Q"></a><a href="https://www.facebook.com/North-Road-997236690392419/home" target="_blank"><img src="https://ci3.googleusercontent.com/mail-sig/AIorK4wlMciFPm8hqQZB_Qi57PUCv1dJqUC1A2i9qEMzWRFLcJ7Jil30YnULdJLxT6-qMfI6J4kcac4"></a><font color="#444444"><span><font face="verdana, sans-serif"><br><br></font></span></font></td> </tr></tbody></table></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>