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<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US">Hi Morgan,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;mso-fareast-language:EN-US">to achieve this, you need a digital elevation model (DEM) with a resolution that is not too coarse. I don´t know where you are located or what your area of interest
is, so I can´t tell where you might get it.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;mso-fareast-language:EN-US">Once you have your DEM, you can use raster functions like roughness, inclination or topographic position index to identify your spots.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;mso-fareast-language:EN-US">Hope that helps, regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;mso-fareast-language:EN-US">Simon<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
</a></div><p><span style="font-family: arial, helvetica, sans-serif; font-size: 9pt;"><span style="font-size: 12pt; color: #000000;" data-teams="true"><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">i.A. Simon Dietmann<br /></span><span style="font-size: 10pt;">Projektleiter | Geograph</span><br /></span></span></p>
<p><img src="cid:KY10LL748C" /></p>
<p><span style="font-family: arial, helvetica, sans-serif;"><span style="font-size: xx-small;"><span style="font-size: small;"><span style="font-size: 9pt; color: #808080;">PGNU Planungsgesellschaft Natur & Umwelt mbH<br />Amtsgericht Frankfurt am Main, HRB 111938; <br />Geschäftsführer: Dr. Benjamin Hill, Dorit Thurm, Sebastian Braun<br />Hamburger Allee 45 +++ 60486 Frankfurt am Main<br />Durchwahl: +49 69 952964-32 +++ Fax: +49 69 952964-99<br />E-Mail: dietmann@pgnu.de +++ Web: <a style="color: #808080;" title="http://www.pgnu.de" href="http://www.pgnu.de" target="_blank" rel="noopener">www.pgnu.de</a></span><span style="font-size: xx-small;"><br /></span></span></span><span style="font-size: 8pt;"><br /><span style="color: #999999;">> Diese E-Mail könnte vertrauliche und/oder rechtlich geschützte Informationen enthalten. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrtümlich erhalten haben, informieren Sie bitte sofort den Absender und vernichten Sie diese Mail. Das unerlaubte Kopieren sowie die unbefugte Weitergabe dieser Mail sind nicht gestattet.<br />> This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden.</span></span></span></p><footer id="ZGlldG1hbm5AcGdudS5kZQ=="></footer><div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Von:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> QGIS-User <qgis-user-bounces@lists.osgeo.org>
<b>Im Auftrag von </b>Morgan Fletcher via QGIS-User<br>
<b>Gesendet:</b> Mittwoch, 22. Oktober 2025 02:28<br>
<b>An:</b> qgis-user@lists.osgeo.org<br>
<b>Betreff:</b> [Qgis-user] Finding a flat spot<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I use qgis mostly for visualizing gpx tracks, georeferencing old maps, drawing vectors to reveal or highlight information related to a map or physical location. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I have a real-world need, a wish list item, and I wonder if QGIS might be able to solve it. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I want to know where the flat spots are. Given a bounded area on a map, could I ask QGIS to find me all locations that are at least 100 square feet, with less then 1' vertical delta across that space? Yes, I'm trying to find flat camping
spots. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Morgan<o:p></o:p></p>
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