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<p class="MsoNormal">Thanks to everyone for their replies.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I haven’t used the Checck Validity tool and will do so. </p>
<p class="MsoNormal">I understand that some of the material is outdated and is why I thought I’d go through it now that I have upgraded to 3.16 to see what updates might be required. I’ll post my suggested updates to GiHub when I’m finished.</p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards,</p>
<p class="MsoNormal">Inna Nogeste</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:senhor.neto@gmail.com">Alexandre Neto</a><br>
<b>Skickat: </b>den 8 januari 2021 16:54<br>
<b>Till: </b><a href="mailto:njacadieux.gitlab@gmail.com">Nicolas Cadieux</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">Also, please beware that some of these training materials may be outdated, and for instance may have been written before the Check Validity in processing was implemented.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Alexandre Neto<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 Fri, Jan 8, 2021 at 3:29 PM Nicolas Cadieux <<a href="mailto:njacadieux.gitlab@gmail.com">njacadieux.gitlab@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Have you tried fixing the geometry? Go to vector/Geometry tools/Check Validity.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Try both QGIS and GEOS methods. Topology Checker Plugin (that need to be installed under Plugins) also works well.<o:p></o:p></p>
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<p class="MsoNormal">Nicolas Cadieux<o:p></o:p></p>
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<p class="MsoNormal"><a href="https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgitlab.com%2Fnjacadieux&data=04%7C01%7C%7C22c9f81eed6b4cd0952508d8b3ed9d03%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637457180407285622%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=WiNYqfh2ulPzTPJaqHibrUNPboYEt0bC9cdb%2FcFgOds%3D&reserved=0" target="_blank">https://gitlab.com/njacadieux</a><o:p></o:p></p>
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<p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Le 8 janv. 2021 à 09:31, Wanda Norman <<a href="mailto:wanda.mnorman2015@gmail.com" target="_blank">wanda.mnorman2015@gmail.com</a>> a écrit :<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 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" target="_blank">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%7C22c9f81eed6b4cd0952508d8b3ed9d03%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637457180407285622%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=ln34NXFjJbUI3pCDturoO%2BM2LBHv1QGg%2BSZzMZ33Dpw%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.
</p>
<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%7C22c9f81eed6b4cd0952508d8b3ed9d03%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637457180407295615%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=ixe8os5vcwSmDbUHvLeLHXBU6moIknfnSZT837kMl9U%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%7C22c9f81eed6b4cd0952508d8b3ed9d03%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637457180407305609%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=J2h%2FklKWS4AyKNvKYSy4I5lkTenfw8SlAxK7524LK2w%3D&reserved=0" target="_blank">
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