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<p>Hi Jody,<br>
Thanks for the feedback. You're very welcome to cross-post it; the
blog-content is all CC-BY-SA 4.0 by default so share as you wish.<br>
<br>
> What do other WMS implementations do?<br>
<br>
Projection list - I can't comment on how the other software deals
with this from an administration perspective (I've only ever
administered GeoServer), but from when I've looked at the GetCaps
I don't remember seeing long lists, and no server apart from
GeoServer ended up triggering the " > 5000 projections" score
item (itself an arbitrary cut-off, didn't test for a low bound).<br>
<br>
(One SQL query later...)<br>
Number of projections per dataset below across all server types.<br>
<br>
Right column is the number of declared projections (merges the
layer and nested layer projections), the left column is how many
datasets it applies to.<br>
Note: If the service declares more than 30 projections GeoSeer
culls it down to 0.<br>
<br>
Count Num Projections<br>
14 30<br>
200 29<br>
1168 28<br>
1160 27<br>
672 26<br>
3198 25<br>
2037 24<br>
1745 23<br>
5207 22<br>
5175 21<br>
760 20<br>
2348 19<br>
3588 18<br>
4967 17<br>
8254 16<br>
2680 15<br>
14317 14<br>
20274 13<br>
13806 12<br>
17194 11<br>
54545 10<br>
39030 9<br>
43833 8<br>
25608 7<br>
55328 6<br>
50072 5<br>
234676 4<br>
173938 3<br>
149098 2<br>
572727 1<br>
720060 0<br>
<br>
I don't imagine there would be big resource savings - it's only
around 120kB uncompressed.<br>
<br>
Cheers,<br>
Jonathan<br>
<br>
</p>
<div class="moz-cite-prefix">On 2020-06-05 16:30, Jody Garnett
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAOhbgAm-QYU0tfSOTx9w+BhCwkL1arGTsBdcjQ+D9KJNkGgk4g@mail.gmail.com">
<div dir="ltr">
<div dir="ltr">That is really interesting Jonathan, if you are
open to cross posting it would be nice to reference this from
a GeoServer blog post.</div>
<div dir="ltr"><br>
</div>
<div dir="ltr">I especially liked the fingerprinting:</div>
<div dir="ltr">
<div>
<blockquote class="gmail_quote">A ridiculously long, 5000+
item list of default projections that the server supports
that 1 in 6 GeoServer administrators hasn't culled</blockquote>
<div><br>
</div>
<div>Surprisingly nobody has made a motion to start with a
smaller list, and I think we found that if we provided a
smaller list folks assume GeoServer is less capable.</div>
<div>What do other WMS implementations do?<br>
</div>
<div>
<div>
<div dir="ltr" class="gmail_signature">
<div dir="ltr">
<div>
<div dir="ltr">
<div>--</div>
<div>Jody Garnett</div>
</div>
</div>
</div>
</div>
</div>
<br>
</div>
</div>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Thu, 4 Jun 2020 at 11:32,
Jonathan Moules <<a
href="mailto:jonathan-lists@lightpear.com"
moz-do-not-send="true">jonathan-lists@lightpear.com</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote">Hi All,<br>
At the risk of engaging in self-promotion, this may be of
interest to <br>
the community.<br>
<br>
I've just finished an analysis of what geospatial server
software's <br>
behind the ~2.2 million WMS/WFS/WCS/WMTS datasets that GeoSeer
has in <br>
its search-engine index.<br>
<br>
The extremely short version of things likely of interest here:<br>
<br>
* ArcGIS has by far the most deployments: 2,755 (53.70%);
other <br>
proprietary is a rounding error.<br>
<br>
* GeoServer is the second most popular for deployments (964
(18.79%)), <br>
and hosts by far the most datasets: 963,603 (43.26%).<br>
<br>
* MapServer has a very healthy deployment count too: 544
(10.6%), and <br>
serves a considerable number of datasets: 389,709 (17.49%).<br>
<br>
* Put another way, at least 2/3rds of the world's geospatial
data that's <br>
served via OGC standards is served by Open Source software
(mostly <br>
OSGeo). And over 60% between GeoServer and MapServer alone.<br>
<br>
* So basically it looks like many city/county/provincials have
an ArcGIS <br>
Server install and use that for (occasionally token!)
compliance with <br>
"open data" edicts, but the full-on SDI data warehouses almost
all go <br>
for Open Source.<br>
<br>
You can find (much) more detail (+ numbers for a bunch of the
other <br>
OSGeo projects) in the (ad-free, tracking-free, cookie-free, <br>
javascript-free, in fact both free and Free!) blog post:<br>
<a
href="https://www.geoseer.net/blog/?p=2020-06-04_geospatial_server_software"
rel="noreferrer" target="_blank" moz-do-not-send="true">https://www.geoseer.net/blog/?p=2020-06-04_geospatial_server_software</a><br>
<br>
<br>
So yes, good job to everyone who contributes in any way to all
these <br>
projects! Hopefully this reinforces how useful they are; maybe
you can <br>
use it in future work-bids too (its the sort of thing that
reassures <br>
management). Could also be be useful when it comes to figuring
out where <br>
limited OSGeo funds will have most impact.<br>
<br>
Comments/thoughts/discussion/feedback welcome (on or off
list).<br>
Cheers,<br>
Jonathan<br>
<br>
<br>
_______________________________________________<br>
Discuss mailing list<br>
<a href="mailto:Discuss@lists.osgeo.org" target="_blank"
moz-do-not-send="true">Discuss@lists.osgeo.org</a><br>
<a href="https://lists.osgeo.org/mailman/listinfo/discuss"
rel="noreferrer" target="_blank" moz-do-not-send="true">https://lists.osgeo.org/mailman/listinfo/discuss</a></blockquote>
</div>
</blockquote>
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