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<p>Peter,<br>
</p>
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cite="mid:CAMQBGmXwboFkdTdzRe8hW7AEXc3Mwa8LfSaKZAXrqtkD_q=Hrg@mail.gmail.com">
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<div>I was curious about something regarding the loose data
files that are built alongside proj.db:</div>
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Nitpicking: they aren't "built", at most just present &
installed. Details below:<br>
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<div><br>
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<div>alaska ==> no longer shipped with
PROJ since a long time. Some binary distributions might still
ship it as part of nostalgia/inertia, but no longer at
<a class="moz-txt-link-freetext" href="https://github.com/OSGeo/PROJ/tree/master/data">https://github.com/OSGeo/PROJ/tree/master/data</a>. It is in
the proj-data as a GeoTIFF grid now<br>
BETA2007.gsb ==> same as above<br>
conus ==> same as above<br>
egm96_15.gtx ==> same as above<br>
GL27 ==> still shipped with PROJ.
Mostly/only legacy<br>
ITRF2000 ==> still shipped with PROJ. Can be
used in some cases for advanced users creating PROJ pipelines
referencing ITRF transformations, like "+proj=pipeline ...
+step +init=ITRF2000:ITRF96 ...."<br>
MD ==> same as above about grids<br>
nad27 ==> still shipped with PROJ.
Mostly/only legacy<br>
nad83 ==> still shipped with PROJ.
Mostly/only legacy<br>
ntf_r93.gsb ==> same as above about grids<br>
ntv1_can.dat ==> same as above about grids<br>
ntv2_0.gsb ==> same as above about grids</div>
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<div>What exactly wouldn't work if these particular files
weren't available? Are these superseded by something in the
new and improved geotiffs in proj-data?</div>
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For the grids, yes they are all deprecated by the GeoTIFFs of
proj-data<br>
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<div> Or would the average user not even notice they were gone?</div>
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<p>For the other parts, only the most enlightened minds would
notice.</p>
<p>Even<br>
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<pre class="moz-signature" cols="72">--
<a class="moz-txt-link-freetext" href="http://www.spatialys.com">http://www.spatialys.com</a>
My software is free, but my time generally not.
Butcher of all kinds of standards, open or closed formats. At the end, this is just about bytes.</pre>
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