<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=LV link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Hi Sebastian, the WhiteBox Tools looks great! Updating my QGIS (WBT works with QGIS v.3.18+) and hoping it will do the job!<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Best wishes, <o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Jurijs<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> Sebastian Gutwein <bas@rdgland.com> <br><b>Sent:</b> Wednesday, September 8, 2021 5:17 PM<br><b>To:</b> C Hamilton <adenaculture@gmail.com><br><b>Cc:</b> Jurijs Kondratenko <yurikondratenko@inbox.lv>; qgis-user <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><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Just so you know all your options :). There is also the Whitebox Tools plugin for QGIS (you need to install whitebox tools) that has a NaturalNeighourInterpolation algo. "<span style='color:#666666'>Creates a raster grid based on Sibson's natural neighbour method"</span> <o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Wed, Sep 8, 2021 at 10:00 AM C Hamilton <<a href="mailto:adenaculture@gmail.com">adenaculture@gmail.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><p class=MsoNormal>In addition to what has already been mentioned, you can use the QGIS SAGA Toolbox. Under Raster - Rasterizing, there is a Natural Neighbour algorithm. I have not used it, but I have used the Inverse Distance Weighted algorithm for magnetometry data which in essence does something like what you are wanting to do.<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Good luck,<o:p></o:p></p></div><div><p class=MsoNormal>Calvin<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Wed, Sep 8, 2021 at 4:13 AM Jurijs Kondratenko <<a href="mailto:yurikondratenko@inbox.lv" target="_blank">yurikondratenko@inbox.lv</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>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></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>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" target="_blank">https://pro.arcgis.com/en/pro-app/latest/tool-reference/spatial-analyst/how-natural-neighbor-works.htm</a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Alternatively, what would be a way to constructing DTM from points, preserving the original points in respective pixels?<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thank you!<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Jurijs Kondratenko<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Riga Technical University<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div><p class=MsoNormal>_______________________________________________<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" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><o:p></o:p></p></blockquote></div><p class=MsoNormal>_______________________________________________<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" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><br>Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user" target="_blank">https://lists.osgeo.org/mailman/listinfo/qgis-user</a><o:p></o:p></p></blockquote></div></div></body></html>