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<p>Dear Dr Albrecht -</p>
<p> this is the first time I have heard of this issue.. we are
building the newer, alpha1 version 17 now using a newer QGIS LTS.
Due to this combination of factors, your email raises more
questions</p>
<p>* how is it that you have never reached out before today? no one
on the #osgeolive team can know all the places that the disk is
used. If I understand, this condition of one particular QGIS
misplacing a shp file would have been the case on the day that
version 16 was released? therefore you have taught many times yet
never one email here. Why now, on the week that we start the
anticipated alpha1 version 17 based on Ubuntu noble and GDAL
v3.9x.</p>
<p>* did you take any steps to identify what projection system is
being used to misplace this shp file? for example, does it say in
the bottom corner of the window of QGIS ? do you have any guesses
as to what the errant projection might be, and if so did you
include that in your description of this bug, below? maybe I
missed a section.. <br>
</p>
<p>* did you try to install and run any other version of QGIS on
this version 16 base, in any way? I am not a QGIS expert but I am
guessing there are several alternatives that would install
something.</p>
<p> today I am busy running and testing a build of #osgeolive 17,
which promises improvements and stability.. as with the dozen or
so #osgeolive linux that have shipped reliably, without cost to
you, for the last decade.</p>
<p> --Brian M Hamlin / MAPLABS / OSGeoLive PSC</p>
<p><br>
</p>
<p><br>
</p>
<div class="moz-cite-prefix">On 9/24/24 11:13, Jochen Albrecht via
osgeolive wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAKRQQ2TbP+dfnapp3XWbRMf2v5Kf6tAAjZoWWfnEUHhO_NH9ow@mail.gmail.com">
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<div>Hi</div>
<div><br>
</div>
<div>I am teaching with the latest version of OSgeo-Live 16,
which runs QGIS 3.28.</div>
<div>I am using for my class a small demo shapefile, which
happens to be in EPSG:31287 (Austria, Styria). QGIS 3.28
places this file into the Mediterranean Sea, off the coast of
Italy/France.</div>
<div>Earlier versions of QGIS (in previous years of teaching),
as well as my current stand-alone version 3.36 are placing the
data correctly into the province of Styria in Austria. The
problem occurs only in version 3.28.</div>
<div><br>
</div>
<div>The problem is aggravated by the fact that any attempt at
transforming the data is rendered futile in this particular
version of QGIS because none of the reprojection dialogues
allow me to specify a transformation. I even tried to define a
new coordinate system using the transformation parameters
given by QGIS 3.38 (see the bottom of this email). Applying
these, places the data again into the Mediterranean.</div>
<div><br>
</div>
<div>I have been teaching with QGIS for over 20 years, and this
is a new one for me. The easy solution would be to just not
use version QGIS 3.28. But it is the one that has been burned
into the current OSgeo-Live distribution. The whole purpose of
OSgeo-Live is to work with versions of the individual software
packages that have proven to play nice with each other and I
do not want to experiment and have students upgrade to a
newer version of GIS.</div>
<div><br>
</div>
<div>At this point, I am at a loss to advise my students what to
do, or to even explain what is happening here. It is as if the
particular coordinate system library for this version has a
bug that nobody has come across before. Am I missing
something?</div>
<div>Last minute update: the same error occurs in the latest
version of ArcGIS Pro 3.3. I have no idea what those two have
in common, but it suggests to me that it has something to do
with a flawed coordinate system library rather than the
application software itself.</div>
<div>Again, any suggestion for how to address this (or even
explain it to my students) would be appreciated.</div>
<div><br>
</div>
<div>Cheers,</div>
<div> Jochen</div>
<div><br>
</div>
<div>
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<p dir="ltr"
style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;vertical-align:baseline;white-space:pre-wrap">Dr. Jochen Albrecht, GISP (he/him/his)</span></p>
<p dir="ltr"
style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Professor for Computational and Theoretical Geography</span></p>
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href="http://www.geo.hunter.cuny.edu/"
target="_blank" moz-do-not-send="true"><span
style="font-family:Arial;background-color:transparent;vertical-align:baseline">Department
of Geography and Environmental Science</span></a><br>
</p>
<p dir="ltr"
style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Hunter College CUNY</span></p>
<p dir="ltr"
style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">695 Park Avenue</span></p>
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style="line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">New York, NY 10065</span></p>
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