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<p class="MsoNormal">Hi Wanda,</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Looking at my notes for what wasn’t working for me in the Training Manual exercises, I see that I needed to make the following change in Step 6.2.8 using QGIS 3.16 :</p>
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<p class="MsoNormal"><span lang="EN-GB">“Need to set the processing option to Skip (Ignore) invalid geometry. Seemed to be a problem with the buildings_34s layer? Changed this option for both input and compare layers and it worked.”<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">I hope this helps!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Inna Nogeste</span><span lang="EN-GB" style="font-size:10.0pt"><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Skickades från <a href="https://go.microsoft.com/fwlink/?LinkId=550986">
E-post</a> för Windows 10</p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="border:none;padding:0cm"><b>Från: </b><a href="mailto:wanda.mnorman2015@gmail.com">Wanda Norman</a><br>
<b>Skickat: </b>den 8 januari 2021 15:31<br>
<b>Till: </b><a href="mailto:nogeste@outlook.com">Inna Nogeste</a><br>
<b>Kopia: </b><a href="mailto:qgis-user@lists.osgeo.org">qgis-user</a><br>
<b>Ämne: </b>Re: [Qgis-user] QGIS 3.16 Training Manual - Module 8.2.1 - Intersect features</p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I am getting the same error in the training module for lesson 6.2.9. I have done the lesson twice thinking I had missed a step - but get to the same point of extracting the buildings and get the error message. <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 am using QGIS 3.1 with Windows 10 on my HP laptop.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks!<o:p></o:p></p>
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<p class="MsoNormal">Wanda Norman<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Thu, Jan 7, 2021 at 12:23 PM Inna Nogeste <<a href="mailto:nogeste@outlook.com">nogeste@outlook.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I’m working through the training manual and completed all the preceding modules and their output files.</p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">When I get to Module 8.2.1</p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a href="https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdocs.qgis.org%2F3.16%2Fen%2Fdocs%2Ftraining_manual%2Fcomplete_analysis%2Fanalysis_combination.html%23moderate-ty&data=04%7C01%7C%7Ce764d917899e4aab226008d8b3e2108e%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637457130804438957%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=xqof971dMiu5MTBriuR3MnoyIW7xMjjHdP4XxKm52O0%3D&reserved=0" target="_blank">https://docs.qgis.org/3.16/en/docs/training_manual/complete_analysis/analysis_combination.html#moderate-ty</a></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">to intersect my previous output files I get an error message when I run the Intersection tool that a feature in my Overlay layer ’has invalid geometry. Please fix the geometry or
change the Processing setting to the “Ignore invalid input features” option.’</p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The overlay layer is a polygonized vector layer createdin a previous modeul in the training manual from a raster layer.
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The invalid geometry in the polygonized layer represents 1 individual cell in the original raster layer. Changing the Processing setting to ”Skip (Ignore) Features with Invalid
Geometries” doesn’t help and outputs an empty layer.</p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Has anyone else had problems with this module and the layer files created in previous modules?</p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I’ve noted that the original SRTM_41_19.TIF exercise data is in EPSG 32733 and not EPSG 32734 as per the other exercise (vector) data and this causes issues when you get to Module
8.</p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I’m currently documenting discrepancies that I’m finding in the training manual and am assuming that I can eventually add them to
<a href="https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fqgis%2FQGIS-Documentation%2Fissues%3Fq%3Dis%253Aissue%2Bis%253Aopen%2Blabel%253AEasy&data=04%7C01%7C%7Ce764d917899e4aab226008d8b3e2108e%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637457130804448949%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=CUXs9ubf%2BONzGbCaKI3wzjhPBm74tciB4Hxpet8Boxw%3D&reserved=0" target="_blank">
https://github.com/qgis/QGIS-Documentation/issues?q=is%3Aissue+is%3Aopen+label%3AEasy</a></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Regards,</p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Inna Nogeste</p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Skickades från
<a href="https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgo.microsoft.com%2Ffwlink%2F%3FLinkId%3D550986&data=04%7C01%7C%7Ce764d917899e4aab226008d8b3e2108e%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637457130804448949%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=5kIFO%2FWgCdwjS27my%2F9KTkKPsSBtqtuZF%2FzSBmWskh8%3D&reserved=0" target="_blank">
E-post</a> för Windows 10</p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p>
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