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<div class="moz-cite-prefix">Hello André,<br>
<br>
that sounds like a similar problems we had when using mapserver
for our mapproxy configuration.<br>
In our case the problem was caused by the PROJ_LIB-Path of the
Mapserver-config file:<br>
For MS8 you need to set it to the PROJ9-Share-Directory but in
that directory a file from the PROJ-Share<br>
(without the 9) is missing, its name is simply "epsg".<br>
After copying that file to the PROJ9-Share-Directory those
inaccuracies were gone.<br>
Maybe you can try this.<br>
<br>
Best regards<br>
<br>
Stefan H.<br>
<br>
Am 10.10.2024 um 09:24 schrieb Andre Mulder via MapServer-users:<br>
</div>
<blockquote type="cite"
cite="mid:DU2PR03MB99704901D346A55A77785DDCAB782@DU2PR03MB9970.eurprd03.prod.outlook.com">
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Dear community,</div>
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<br>
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Problem description:</div>
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We configured two mapserver installations:</div>
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1 - Ubuntu 24.04.1 LTS (GNU/Linux 6.8.0-45-generic x86_64)</div>
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2 - Windows 11</div>
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<br>
</div>
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Both distributions contain the same map file which delivers <br>
an OGC WFS.</div>
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style="text-align: left; text-indent: 0px; margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Both map files refer to the same source:<br>
Postgres/GIS database with 2 records with point geometry stored
with SRID 28992.</div>
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<br>
</div>
<div
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The OGC WFS is configured for GEOJSON output with EPSG:4326</div>
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<br>
</div>
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Issue</div>
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The output of the Ubuntu OS differs (a bit) from the output of
the Windows OS.</div>
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<br>
</div>
<div
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Ubuntu:</div>
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<br>
</div>
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{</div>
<div
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"features": [</div>
<div
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{</div>
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"geometry": {</div>
<div
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"coordinates": [</div>
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style="text-align: left; text-indent: 0px; margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
4.529922,</div>
<div
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51.943676</div>
<div
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],</div>
<div
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"type": "Point"</div>
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},</div>
<div
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"id": "511557",</div>
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<br>
</div>
<div
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Windows:</div>
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<br>
</div>
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{</div>
<div
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"features": [</div>
<div
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{</div>
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"geometry": {</div>
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"coordinates": [</div>
<div
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4.529612,</div>
<div
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51.942715</div>
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],</div>
<div
style="text-align: left; text-indent: 0px; margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
"type": "Point"</div>
<div
style="text-align: left; text-indent: 0px; margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
},</div>
<div
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"id": "511557",</div>
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<br>
</div>
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I believe/think the Windows version is correct and the
Ubuntu version is incorrect.</div>
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<br>
</div>
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When I run cs2cs on the ubuntu server:</div>
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mapserver@mapserver:~$ echo 96033.1697484512 439710.083800115 |
cs2cs +init=epsg:28992 +to +init=epsg:4326 -f "%.8f"</div>
<div
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4.52961103 51.94271408 0.00000000</div>
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mapserver@mapserver:~$</div>
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<br>
</div>
<div
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When I run gdaltransform on the ubuntu server:</div>
<div
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mapserver@mapserver:~$ echo "96033.1697484512 439710.083800115"
| gdaltransform -s_srs EPSG:28992 -t_srs EPSG:4326</div>
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4.52961103108079 51.9427140778367 0</div>
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mapserver@mapserver:~$</div>
<div
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<br>
</div>
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style="text-align: left; text-indent: 0px; margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Both outcome match the Windows result but do NOT match the
Ubuntu mapserver results.</div>
<div
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<br>
</div>
<div
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The versions of mapserver and extensions used differ from each
other.</div>
<div
style="text-align: left; text-indent: 0px; margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div
style="text-align: left; text-indent: 0px; margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Ubuntu:</div>
<div
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mapserver@mapserver:~$ mapserv -v</div>
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style="text-align: left; text-indent: 0px; margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
MapServer version 8.0.1 PROJ version 9.4 GDAL version 3.8
OUTPUT=PNG OUTPUT=JPEG OUTPUT=KML SUPPORTS=PROJ SUPPORTS=AGG
SUPPORTS=FREETYPE SUPPORTS=CAIRO SUPPORTS=SVG_SYMBOLS
SUPPORTS=RSVG SUPPORTS=ICONV SUPPORTS=FRIBIDI
SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT SUPPORTS=WFS_SERVER
SUPPORTS=WFS_CLIENT SUPPORTS=WCS_SERVER SUPPORTS=SOS_SERVER
SUPPORTS=OGCAPI_SERVER SUPPORTS=FASTCGI SUPPORTS=THREADS
SUPPORTS=GEOS SUPPORTS=PBF INPUT=JPEG INPUT=POSTGIS INPUT=OGR
INPUT=GDAL INPUT=SHAPEFILE INPUT=FLATGEOBUF</div>
<div class="elementToProof"
style="text-align: left; text-indent: 0px; margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
mapserver@mapserver:~$</div>
<div
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<br>
</div>
<div
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<br>
</div>
<div
style="text-align: left; text-indent: 0px; margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Windows:</div>
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style="text-align: left; text-indent: 0px; margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
C:\PROGRA~1\MAPSER~1\ms4w\Apache\cgi-bin>mapserv.exe -v<br>
MapServer version 8.3.0-dev (MS4W 5.0.0) PROJ version 9.5 GDAL
version 3.10 OUTPUT=PNG OUTPUT=JPEG OUTPUT=KML SUPPORTS=PROJ
SUPPORTS=AGG SUPPORTS=FREETYPE SUPPORTS=CAIRO
SUPPORTS=SVG_SYMBOLS SUPPORTS=SVGCAIRO SUPPORTS=ICONV
SUPPORTS=FRIBIDI SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT
SUPPORTS=WFS_SERVER SUPPORTS=WFS_CLIENT SUPPORTS=WCS_SERVER
SUPPORTS=SOS_SERVER SUPPORTS=OGCAPI_SERVER SUPPORTS=FASTCGI
SUPPORTS=THREADS SUPPORTS=GEOS SUPPORTS=PBF INPUT=JPEG
INPUT=POSTGIS INPUT=OGR INPUT=GDAL INPUT=SHAPEFILE
INPUT=FLATGEOBUF</div>
<div
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<br>
</div>
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<i>Does the mapserver development team have an explanation for
this difference?</i></div>
<div
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<br>
</div>
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I can send the map file separately if required.</div>
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<br>
</div>
<div
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With best regards,</div>
<div
style="text-align: left; text-indent: 0px; margin: 0px; font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
André Mulder</div>
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<br>
</div>
<br>
<fieldset class="moz-mime-attachment-header"></fieldset>
<pre wrap="" class="moz-quote-pre">_______________________________________________
MapServer-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:MapServer-users@lists.osgeo.org">MapServer-users@lists.osgeo.org</a>
<a class="moz-txt-link-freetext" href="https://lists.osgeo.org/mailman/listinfo/mapserver-users">https://lists.osgeo.org/mailman/listinfo/mapserver-users</a>
</pre>
</blockquote>
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