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

[Alexandre Neto]

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 - part 1

https://youtu.be/19Bj0uXcdfU - 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://go.microsoft.com/fwlink/?LinkId=550986>
> 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%7Ce764d917899e4aab226008d8b3e2108e%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637457130804438957%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=xqof971dMiu5MTBriuR3MnoyIW7xMjjHdP4XxKm52O0%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%7Ce764d917899e4aab226008d8b3e2108e%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637457130804448949%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=CUXs9ubf%2BONzGbCaKI3wzjhPBm74tciB4Hxpet8Boxw%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%7Ce764d917899e4aab226008d8b3e2108e%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637457130804448949%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=5kIFO%2FWgCdwjS27my%2F9KTkKPsSBtqtuZF%2FzSBmWskh8%3D&reserved=0>
> för Windows 10
>
>
>
> _______________________________________________
> Qgis-user mailing list
> Qgis-user at lists.osgeo.org
> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
> <https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.osgeo.org%2Fmailman%2Flistinfo%2Fqgis-user&data=04%7C01%7C%7Ce764d917899e4aab226008d8b3e2108e%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637457130804458947%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=L9S%2FNIZWheufs8fTZFfXYWBW6MFdxIVlYRSylI%2BHU%2FQ%3D&reserved=0>
> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
> <https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.osgeo.org%2Fmailman%2Flistinfo%2Fqgis-user&data=04%7C01%7C%7Ce764d917899e4aab226008d8b3e2108e%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637457130804468940%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=ceJHgKqreSVt80ATgmutEATatodxcF5to%2BA2zhnPJys%3D&reserved=0>
>
>
> _______________________________________________
> Qgis-user mailing list
> Qgis-user at lists.osgeo.org
> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/qgis-user/attachments/20210111/e734139c/attachment.html>