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

[Tom Haws]

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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