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</o:shapelayout></xml><![endif]--></head><body lang=LV link="#0563C1" vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>Hi Richard, thanks a lot for your reply. I’m not sure about GDALDEM (quick search told it was more for visualisation) but will check more. Nearets Neighbour in Rastre-Analysis-Grid (Nearest Neighbour) is not quite what I’m looking for: seems WhiteBox Tools will solve my need<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='mso-fareast-language:LV'>From:</span></b><span lang=EN-US style='mso-fareast-language:LV'> Richard McDonnell <richard.mcdonnell@opw.ie> <br><b>Sent:</b> Wednesday, September 8, 2021 4:44 PM<br><b>To:</b> Micha Silver <tsvibar@gmail.com>; Jurijs Kondratenko <yurikondratenko@inbox.lv>; qgis-user@lists.osgeo.org<br><b>Subject:</b> RE: [Qgis-user] How to replicate ARC-GIS Natural Neighbour Interpolation Algorithm in QGIS / DTM from elevation points<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-IE style='color:#1F497D'>Hi, <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE style='color:#1F497D'>In addition to what Jurijsy suggested you can also use <b>gdaldem</b>. You can access this in QGIS by selecting <b>Raster</b> from the toolbar and the selecting <b>Analysis</b> and <b>Grid Nearest Neighbour. </b>If using Windows and an<b> OSGeo4W </b>install, you can utilise the<b> OSGeo4W Shell </b>to run the same command via command line.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE style='color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE style='color:#1F497D'><br>Richard<b><o:p></o:p></b></span></p><p class=MsoNormal><span lang=EN-IE style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-IE style='color:#1F497D'><o:p> </o:p></span></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=500 style='width:375.0pt'><tr><td width=500 style='width:375.0pt;padding:0cm 0cm 4.5pt 0cm'><p class=MsoNormal style='line-height:11.25pt'><b><span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#004D44;mso-fareast-language:LV'><br>——</span></b><span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#004D44;mso-fareast-language:LV'><br><b>Richard McDonnell MSc GIS, FME Certified Professional</b><br><i>FRM Data Management</i><br><br>——<br><b>Oifig na nOibreacha Poiblí</b><br>Office of Public Works<br><br></span><b><span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#565148;mso-fareast-language:LV'>Sráid Jonathan Swift, Baile Átha Troim, Co na Mí, C15 NX36 </span></b><span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#004D44;mso-fareast-language:LV'><br></span><span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#565148;mso-fareast-language:LV'>Jonathan Swift Street, Trim, Co Meath, C15 NX36</span><span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#004D44;mso-fareast-language:LV'><br></span><span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#565148;mso-fareast-language:LV'>——</span><span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#004D44;mso-fareast-language:LV'><br></span><span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#565148;mso-fareast-language:LV'>M +353 87 688 5964 T +353 46 942 2409</span><span style='font-size:9.0pt;font-family:"Arial",sans-serif;color:#004D44;mso-fareast-language:LV'><br><a href="https://gov.ie/opw">https://gov.ie/opw</a><br><br>——<br>To send me files larger than 30MB, please use the link below <a href="https://filetransfer.opw.ie/filedrop/richard.mcdonnell@opw.ie">https://filetransfer.opw.ie/filedrop/richard.mcdonnell@opw.ie</a><br><br>Email Disclaimer: <a href="https://www.gov.ie/en/organisation-information/439daf-email-disclaimer/">https://www.gov.ie/en/organisation-information/439daf-email-disclaimer/</a> <o:p></o:p></span></p></td></tr></table><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='mso-fareast-language:EN-IE'>From:</span></b><span lang=EN-US style='mso-fareast-language:EN-IE'> Qgis-user <<a href="mailto:qgis-user-bounces@lists.osgeo.org">qgis-user-bounces@lists.osgeo.org</a>> <b>On Behalf Of </b>Micha Silver<br><b>Sent:</b> 08 September 2021 14:04<br><b>To:</b> Jurijs Kondratenko <<a href="mailto:yurikondratenko@inbox.lv">yurikondratenko@inbox.lv</a>>; <a href="mailto:qgis-user@lists.osgeo.org">qgis-user@lists.osgeo.org</a><br><b>Subject:</b> Re: [Qgis-user] How to replicate ARC-GIS Natural Neighbour Interpolation Algorithm in QGIS / DTM from elevation points<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-IE><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-IE style='font-size:13.5pt'>If your'e willing to try GRASS GIS, then the module v.surf.nnbathy should help.</span><span lang=EN-IE style='font-size:12.0pt;mso-fareast-language:EN-IE'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE><a href="https://grass.osgeo.org/grass78/manuals/addons/v.surf.nnbathy.html">https://grass.osgeo.org/grass78/manuals/addons/v.surf.nnbathy.html</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-IE><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-IE>On 9/8/21 11:08 AM, Jurijs Kondratenko wrote:<o:p></o:p></span></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span lang=EN-IE>Hi, I’m building a DTM from random points (with different distances in between) and I like ArcGIS Natural Neighbour algorithm for doing so.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE>Is there any way to replicate it in QGIS? <a href="https://pro.arcgis.com/en/pro-app/latest/tool-reference/spatial-analyst/how-natural-neighbor-works.htm">https://pro.arcgis.com/en/pro-app/latest/tool-reference/spatial-analyst/how-natural-neighbor-works.htm</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE>Alternatively, what would be a way to constructing DTM from points, preserving the original points in respective pixels?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE>Thank you!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE>Jurijs Kondratenko<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE>Riga Technical University<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-IE> <o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-IE style='font-size:12.0pt;font-family:"Times New Roman",serif;mso-fareast-language:EN-IE'><o:p> </o:p></span></p><pre><span lang=EN-IE>_______________________________________________<o:p></o:p></span></pre><pre><span lang=EN-IE>Qgis-user mailing list<o:p></o:p></span></pre><pre><span lang=EN-IE><a href="mailto:Qgis-user@lists.osgeo.org">Qgis-user@lists.osgeo.org</a><o:p></o:p></span></pre><pre><span lang=EN-IE>List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><o:p></o:p></span></pre><pre><span lang=EN-IE>Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><o:p></o:p></span></pre></blockquote><pre><span lang=EN-IE>-- <o:p></o:p></span></pre><pre><span lang=EN-IE>Micha Silver<o:p></o:p></span></pre><pre><span lang=EN-IE>Ben Gurion Univ.<o:p></o:p></span></pre><pre><span lang=EN-IE>Sde Boker, Remote Sensing Lab<o:p></o:p></span></pre><pre><span lang=EN-IE>cell: +972-523-665918<o:p></o:p></span></pre></div></div></body></html>