[Qgis-user] 1. Best version for novice and 2. chained on-the-fly transformations

[Emma Hain]

This video is helpful to take you through the steps  - but does install the
development version.
Kind regards
Em

Emma Hain — Product Manager/Senior GIS Analyst
emma at north-road.com
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On Fri, 9 May 2025 at 17:01, Tom Haws via QGIS-User <
qgis-user at lists.osgeo.org> wrote:

> Andrea,
> Thank you very much for your kind help. Based on what you said, I
> uninstalled and cleaned all traces of QGIS. Then I installed the 3.40.6
> (Bratislava) LTS download (not installer). I was able to clip by mask layer
> for the first time ever. It appeared to work, but I got an error message
> that I will report in my other thread. I think I am back in the saddle now
> with QGIS, thanks to you.
> Tom
> --
> Tom Haws 480-201-5476 (founder of NPS <http://npsge.org/> 480-389-4583)
> I am looking to join financial and intellectual forces with like minds and
> hearts to buy (or build) and hold apartment complexes in perpetual trusts. Let's
> talk.
> I am transitioning away from this personal address (to
> NPSGlobalinc at gmail.com) for engineering.
>
>
>
>
> On Thu, May 8, 2025 at 4:48 PM Andrea Giudiceandrea via QGIS-User <
> qgis-user at lists.osgeo.org> wrote:
>
>> > Tom Haws tom.haws at gmail.com
>> > Thu May 8 12:47:53 PDT 2025
>>
>> > After installing OSGEO4W, I am having the following issues:
>> > 1. There are six versions of QGIS in my Windows Start Menu, and I don't
>> > know which one to run.
>>
>> Hi Tom,
>> the installation guide says:
>>
>> ***
>> Download OSGeo4W Installer and run it.
>>
>> Choose Express Install and select QGIS to install the latest release
>> and/or QGIS LTR to install the long term release.
>>
>> Alternatively, instead of doing the Express install, you can use the
>> Advanced Install, navigate to the Desktop section and pick one or more
>> of the following packages:
>> ....
>> ***
>>
>> It's up to you to decide which version of QGIS to install. It looks like
>> you have decided to install all the available QGIS versions.
>>
>> > 2. There is a new folder Desktop\OSGeo4W that has only shortcuts (over
>> 30)
>> > in it. I don't know if I can safely delete it.
>>
>> Not sure what do you mean with "safely".
>> If the folder contains over 30 shortcuts, I guess you have installed
>> every single package available through OSGeo4W. That is not recommanded
>> and not needed.
>>
>> > 3. If I start 3.40.6,
>> >   a. the splash screen says it is "Long Term Release".
>>
>>
>> This is correct.
>>
>>  From the "Download" web page:
>>
>> "The long-term builds currently provide 3.40.6 'Bratislava'. Long Term
>> Release (LTR) builds are intended for those who value stability over
>> having the latest features. If you are unsure which version is best for
>> you, download the LTR."
>>
>>
>> >     i. When I set the CRS to WGS84 (EPSG:4978) and try to add a raster
>> > layer on EPGS:6341, I am getting this error message: "No transform is
>> > available between NAD83(2011) / UTM zone 12N + NAVD88 height and
>> EPSG:4978
>> > - WGS 84.
>>
>> First of all, are you sure you actually need to use the Geocentric CRS
>> EPSG:4978 WGS 84? Usually the Geographic CRS EPSG:4326 WGS 84 is used.
>>
>> Anyway, based on your other message, I guess the issue may be due to the
>> fact that in your OSGeo4W installation, the PROJ library related
>> packages are not up-to-date.
>>
>> Regards.
>>
>> Andrea
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