[Qgis-user] QGIS 3.16 Training Manual - Module 8.2.1 - Intersect features

Mon Jan 11 10:43:47 PST 2021

Sure!

Add a comment on github with @SrNetoChan to mention me.

Thanks for your help! The training manual needs some love, but most
resources are directed to the user manual.

Alexandre Neto

A segunda, 11/01/2021, 17:37, Inna Nogeste <nogeste at outlook.com> escreveu:

> Hi Alexandre,
>
> Thanks for your YouTube links, they help alot. I have made alot of notes
> to date as to what should be updated in the QGIS 3.16 Training Manual and
> will gradually add these to Git Hub using your YouTube instructions.
>
> I’ll let you know when I’ve started so that you can perhaps check that I
> have done it correctly?
>
> Regards,
>
> Inna Nogeste
>
>
>
>
>
> *Från: *Alexandre Neto <senhor.neto at gmail.com>
> *Skickat: *den 11 januari 2021 16:17
> *Till: *Inna Nogeste <nogeste at outlook.com>
> *Kopia: *Wanda Norman <wanda.mnorman2015 at gmail.com>; qgis-user
> <qgis-user at lists.osgeo.org>
> *Ämne: *Re: [Qgis-user] QGIS 3.16 Training Manual - Module 8.2.1 -
> Intersect features
>
>
>
> Hello Inna,
>
>
>
> If you want, I can help you make the change yourself :-)
>
>
>
> Or, alternatively, check the following videos to see how you can do it
>
>
>
> QGIS Documentation made easy - Part 1
>
>
>
> https://youtu.be/PCiohDt-OBk
> <https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fyoutu.be%2FPCiohDt-OBk&data=04%7C01%7C%7C4bb5222ea38f4116531608d8b643f1cb%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637459750224148434%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=P1FG7I65EzqEL2wziDl74Refw49jTA0k14rX9XDsUsY%3D&reserved=0>
> - part 1
>
>
>
> https://youtu.be/19Bj0uXcdfU
> <https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fyoutu.be%2F19Bj0uXcdfU&data=04%7C01%7C%7C4bb5222ea38f4116531608d8b643f1cb%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637459750224148434%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=Jt2cmxU8PCR1hMy7lyeV855N75NorReQ20ckZhpooFE%3D&reserved=0>
> - part 2
>
>
>
> Thanks
>
>
>
> Alexandre Neto
>
>
>
> On Mon, Jan 11, 2021 at 12:23 PM Inna Nogeste <nogeste at outlook.com> wrote:
>
> Hi Wanda,
>
>  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 :
>
> “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.”
>
>  I hope this helps!
>
>  Regards,
>
> Inna Nogeste
>
> Skickades från E-post
> <https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgo.microsoft.com%2Ffwlink%2F%3FLinkId%3D550986&data=04%7C01%7C%7C4bb5222ea38f4116531608d8b643f1cb%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637459750224158427%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=0GL%2B4TGZaJcd9t%2FIO0DTXTc2EKvnHdieIA5OhaCtqC0%3D&reserved=0>
> för Windows 10
>
>
>
> *Från: *Wanda Norman <wanda.mnorman2015 at gmail.com>
> *Skickat: *den 8 januari 2021 15:31
> *Till: *Inna Nogeste <nogeste at outlook.com>
> *Kopia: *qgis-user <qgis-user at lists.osgeo.org>
> *Ämne: *Re: [Qgis-user] QGIS 3.16 Training Manual - Module 8.2.1 -
> Intersect features
>
>  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.
>
>  I am using QGIS 3.1 with Windows 10 on my HP laptop.
>
>  Thanks!
>
> Wanda Norman
>
>
>
> On Thu, Jan 7, 2021 at 12:23 PM Inna Nogeste <nogeste at outlook.com> wrote:
>
> I’m working through the training manual and completed all the preceding
> modules and their output files.
>
> When I get to Module 8.2.1
>
>
> https://docs.qgis.org/3.16/en/docs/training_manual/complete_analysis/analysis_combination.html#moderate-ty
> <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%7C4bb5222ea38f4116531608d8b643f1cb%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637459750224158427%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=RnuEIBR68cjFZb1qL3nz6e%2Fk6IB4%2BSIr%2FraCoXYdO7Y%3D&reserved=0>
>
> 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.’
>
>  The overlay layer is a polygonized vector layer createdin a previous
> modeul in the training manual from a raster layer.
>
> 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.
>
>  Has anyone else had problems with this module and the layer files created
> in previous modules?
>
> 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.
>
>  I’m currently documenting discrepancies that I’m finding in the training
> manual and am assuming that I can eventually add them to
> https://github.com/qgis/QGIS-Documentation/issues?q=is%3Aissue+is%3Aopen+label%3AEasy
> <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%7C4bb5222ea38f4116531608d8b643f1cb%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637459750224168424%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=p0MNJjibRsRt80kB1Mo7qKwZkrwv96k%2BFyFnEfynv%2Fs%3D&reserved=0>
>
>  Regards,
>
>  Inna Nogeste
>
>  Skickades från E-post
> <https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgo.microsoft.com%2Ffwlink%2F%3FLinkId%3D550986&data=04%7C01%7C%7C4bb5222ea38f4116531608d8b643f1cb%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637459750224168424%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=KTcz45JSiz1L1UTC9AlYUPIbJBVDiNipkC0AYJ44Es0%3D&reserved=0>
> för Windows 10
>
>
>
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