<div dir="ltr">I ended up writing a blog post with step-by-step instructions on how to do this. You may find it useful <a href="https://spatialthoughts.com/2021/06/12/split-polygons-qgis/">https://spatialthoughts.com/2021/06/12/split-polygons-qgis/</a><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div></div><div><table cellpadding="0" cellspacing="0" style="border-spacing:0px;border-collapse:collapse;color:rgb(68,68,68);width:480px;font-size:10pt;font-family:Arial,sans-serif;line-height:normal"><tbody><tr><td valign="top" style="padding:10px 0px 12px;width:160px;vertical-align:top"><a href="https://spatialthoughts.com/" style="background-color:transparent;color:rgb(51,122,183)" target="_blank"><img border="0" alt="Logo" width="141" src="https://spatialthoughts685850346.files.wordpress.com/2019/12/spatial_thoughts_logo.png" style="border:0px;vertical-align:middle;width:141px;height:auto"></a></td><td style="padding:6px 0px;width:320px"><table cellpadding="0" cellspacing="0" style="border-spacing:0px;border-collapse:collapse;background-color:transparent"><tbody><tr><td style="padding:0px;font-size:12pt;font-family:Arial,sans-serif;font-weight:bold;color:rgb(61,60,63)"><span style="color:rgb(0,175,239)">Ujaval Gandhi</span></td></tr><tr><td style="padding:0px 0px 11px;font-size:10pt;font-family:Arial,sans-serif;color:rgb(61,60,63)"><span style="color:rgb(0,175,239)">Spatial Thoughts</span></td></tr><tr><td style="padding:0px;font-size:10pt;font-family:Arial,sans-serif;color:rgb(155,155,155)"><span>mobile: +91-8095684687</span></td></tr><tr><td style="padding:0px;font-size:10pt;font-family:Arial,sans-serif;color:rgb(155,155,155)"><span>email: </span><span style="color:rgb(23,147,210)"><a href="mailto:ujaval@spatialthoughts.com" target="_blank">ujaval@spatialthoughts.com</a></span></td></tr><tr><td style="padding:6px 0px 0px"><span style="display:inline-block;height:22px"><span><a href="https://www.linkedin.com/in/spatialthoughts/" style="background-color:transparent;color:rgb(51,122,183)" target="_blank"><img alt="LinkedIn icon" border="0" width="23" height="23" src="https://codetwocdn.azureedge.net/images/mail-signatures/generator/elegant-logo/ln.png" style="border:0px;vertical-align:middle;height:20px;width:20px"></a>  </span><span><a href="https://twitter.com/spatialthoughts" style="background-color:transparent;color:rgb(51,122,183)" target="_blank"><img alt="Twitter icon" border="0" width="23" height="23" src="https://codetwocdn.azureedge.net/images/mail-signatures/generator/elegant-logo/tt.png" style="border:0px;vertical-align:middle;height:20px;width:20px"></a>  </span></span></td></tr></tbody></table></td></tr><tr><td colspan="2" style="padding:8px 0px 0px;border-top:1px solid rgb(23,147,210);width:480px;font-family:Arial,sans-serif;color:rgb(155,155,155);text-align:justify"></td></tr></tbody></table><br></div></div></div></div></div></div></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jun 10, 2021 at 12:34 PM Ujaval Gandhi <<a href="mailto:ujaval@spatialthoughts.com">ujaval@spatialthoughts.com</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 dir="ltr">Hi Azzurra,<div><br></div><div>QGIS Processing Algorithms have an 'Iterate' feature that can be used to run an algorithm on all features of the layer. (see attached screenshot) I built a QGIS Processing Model that splits a polygon into N parts. You can load the model using 'Add Model to Toolbox' from the Processing Toolbox menu and run the 'Split Polygon' algorithm with 'Iterator' mode to run it 200 times - one for each of your polygons. You will get 200 new layers which can be merged into 1 using the 'Merge Vector Layer' tool. I tested it on the US States dataset and it works well.</div><div><br></div><div><br clear="all"><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div></div><div><table cellpadding="0" cellspacing="0" style="border-spacing:0px;border-collapse:collapse;color:rgb(68,68,68);width:480px;font-size:10pt;font-family:Arial,sans-serif;line-height:normal"><tbody><tr><td valign="top" style="padding:10px 0px 12px;width:160px;vertical-align:top"><a href="https://spatialthoughts.com/" style="background-color:transparent;color:rgb(51,122,183)" target="_blank"><img border="0" alt="Logo" width="141" src="https://spatialthoughts685850346.files.wordpress.com/2019/12/spatial_thoughts_logo.png" style="border: 0px; vertical-align: middle; width: 141px; height: auto;"></a></td><td style="padding:6px 0px;width:320px"><table cellpadding="0" cellspacing="0" style="border-spacing:0px;border-collapse:collapse;background-color:transparent"><tbody><tr><td style="padding:0px;font-size:12pt;font-family:Arial,sans-serif;font-weight:bold;color:rgb(61,60,63)"><span style="color:rgb(0,175,239)">Ujaval Gandhi</span></td></tr><tr><td style="padding:0px 0px 11px;font-size:10pt;font-family:Arial,sans-serif;color:rgb(61,60,63)"><span style="color:rgb(0,175,239)">Spatial Thoughts</span></td></tr><tr><td style="padding:0px;font-size:10pt;font-family:Arial,sans-serif;color:rgb(155,155,155)"><span>mobile: +91-8095684687</span></td></tr><tr><td style="padding:0px;font-size:10pt;font-family:Arial,sans-serif;color:rgb(155,155,155)"><span>email: </span><span style="color:rgb(23,147,210)"><a href="mailto:ujaval@spatialthoughts.com" target="_blank">ujaval@spatialthoughts.com</a></span></td></tr><tr><td style="padding:6px 0px 0px"><span style="display:inline-block;height:22px"><span><a href="https://www.linkedin.com/in/spatialthoughts/" style="background-color:transparent;color:rgb(51,122,183)" target="_blank"><img alt="LinkedIn icon" border="0" width="23" height="23" src="https://codetwocdn.azureedge.net/images/mail-signatures/generator/elegant-logo/ln.png" style="border: 0px; vertical-align: middle; height: 20px; width: 20px;"></a>  </span><span><a href="https://twitter.com/spatialthoughts" style="background-color:transparent;color:rgb(51,122,183)" target="_blank"><img alt="Twitter icon" border="0" width="23" height="23" src="https://codetwocdn.azureedge.net/images/mail-signatures/generator/elegant-logo/tt.png" style="border: 0px; vertical-align: middle; height: 20px; width: 20px;"></a>  </span></span></td></tr></tbody></table></td></tr><tr><td colspan="2" style="padding:8px 0px 0px;border-top:1px solid rgb(23,147,210);width:480px;font-family:Arial,sans-serif;color:rgb(155,155,155);text-align:justify"></td></tr></tbody></table><br></div></div></div></div></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jun 10, 2021 at 5:01 AM Azzurra Lentini <<a href="mailto:azzurralentini@gmail.com" target="_blank">azzurralentini@gmail.com</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 dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Hi List, I ask you  again the same question  I asked you days ago. </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><div class="gmail_default">I have several <span>polygons - around 200- </span> (all different shapes and not regular geometry) and I need to <span>split</span> every single <span>polygon</span> into 3 parts of similar size. <br></div><div class="gmail_default">I have tried with <i><span>Split</span> <span>polygons</span></i> but it is working very well only with regular geometries (square, rectangle etc.) and so I can not use it in this case. </div><div class="gmail_default">I have tried  also your suggestions (generate points, kclustering and voronoi polygons):<a href="https://gis.stackexchange.com/questions/321021/how-to-split-polygon-into-equal-area-polygons-in-qgis-3" style="font-family:Arial,Helvetica,sans-serif" target="_blank">https://gis.stackexchange.com/questions/321021/how-to-<span>split</span>-<span>polygon</span>-into-equal-area-<span>polygons</span>-in-qgis-3</a> and <a href="https://blog.cleverelephant.ca/2018/06/polygon-splitting.html" style="font-family:arial,helvetica,sans-serif;font-size:16px" target="_blank">https://blog.cleverelephant.ca/2018/06/<span>polygon</span>-<span>splitting</span>.html</a></div><div class="gmail_default">but I am not able to do it to all 200 polygons at once.. I can do it only polygon by polygon.. </div><div class="gmail_default"><br></div><div class="gmail_default">do you have other suggestions? thanks AL</div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 19 May 2021 at 15:49, Azzurra Lentini <<a href="mailto:azzurralentini@gmail.com" target="_blank">azzurralentini@gmail.com</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 dir="ltr"><div class="gmail_default" style="font-family:tahoma,sans-serif">Dear List, </div><div class="gmail_default" style="font-family:tahoma,sans-serif">please I would like to have any suggestion regarding this topic: I have several polygons (all different shapes and not regular geometry) and I need to split every single polygon into 3 parts of similar size. </div><div class="gmail_default" style="font-family:tahoma,sans-serif">I have tried with <i>Split polygons</i> but it is working very well only with regular geometries (square, rectangle etc.) and so I can not use it in this case. </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">Do you have any suggestions? </div><div class="gmail_default" style="font-family:tahoma,sans-serif"><br></div><div class="gmail_default" style="font-family:tahoma,sans-serif">THANK YOU, AZZURRA </div>-- <br><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr">Adjunct Professor University "Roma Tre"<br></div><div>Gis Applied for Environmental studies</div><div>Risk modelling & Hydrogeology</div><div>Consultant DFID-UK, United Nations, EU projects </div><div dir="ltr">AZZURRA LENTINI </div><div dir="ltr">++++++++++++++++++++++++++<br>Italy Mobile Tel.: **(39) 338 24 40 676<br>++++++++++++++++++++++++++<br>SKYPE azzurrahydro<br>++++++++++++++++++++++++++</div><div><p class="MsoNormal" style="margin-bottom:0.0001pt;background-image:initial;background-position:initial;background-repeat:initial;line-height:normal"><b><u><span style="font-size:12pt;font-family:Arial,sans-serif;color:blue"><a href="mailto:azzurralentini@gmail.com" style="color:rgb(17,85,204)" target="_blank">azzurralentini@gmail.com</a></span></u></b></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal;background-image:initial;background-position:initial;background-repeat:initial"><b><u><span style="font-size:12pt;font-family:Arial,sans-serif;color:blue"><a href="mailto:azzurra.lentini@uniroma3.it" style="color:rgb(17,85,204)" target="_blank">azzurra.lentini@uniroma3.it</a> </span></u></b><b><u><span style="font-size:12pt;font-family:Arial,sans-serif;color:blue">  </span></u></b><br></p></div><div dir="ltr">++++++++++++++++++++++++++<br>*Par respect pour l'environnement,*<br><br>*n'imprimez ce mail qu'en cas d'absolue nécessité*</div></div><div dir="ltr"> <br><br><br><br><br></div></div></div></div></div></div></div></div>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr">Adjunct Professor University "Roma Tre"<br></div><div>Gis Applied for Environmental studies</div><div>Risk modelling & Hydrogeology</div><div>Consultant DFID-UK, United Nations, EU projects </div><div dir="ltr">AZZURRA LENTINI </div><div dir="ltr">++++++++++++++++++++++++++<br>Italy Mobile Tel.: **(39) 338 24 40 676<br>++++++++++++++++++++++++++<br>SKYPE azzurrahydro<br>++++++++++++++++++++++++++</div><div><p class="MsoNormal" style="margin-bottom:0.0001pt;background-image:initial;background-position:initial;background-repeat:initial;line-height:normal"><b><u><span style="font-size:12pt;font-family:Arial,sans-serif;color:blue"><a href="mailto:azzurralentini@gmail.com" style="color:rgb(17,85,204)" target="_blank">azzurralentini@gmail.com</a></span></u></b></p><p class="MsoNormal" style="margin-bottom:0.0001pt;line-height:normal;background-image:initial;background-position:initial;background-repeat:initial"><b><u><span style="font-size:12pt;font-family:Arial,sans-serif;color:blue"><a href="mailto:azzurra.lentini@uniroma3.it" style="color:rgb(17,85,204)" target="_blank">azzurra.lentini@uniroma3.it</a> </span></u></b><b><u><span style="font-size:12pt;font-family:Arial,sans-serif;color:blue">  </span></u></b><br></p></div><div dir="ltr">++++++++++++++++++++++++++<br>*Par respect pour l'environnement,*<br><br>*n'imprimez ce mail qu'en cas d'absolue nécessité*</div></div><div dir="ltr"> <br><br><br><br><br></div></div></div></div></div></div></div>
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