<!DOCTYPE html><html><head><title></title><style type="text/css">p.MsoNormal,p.MsoNoSpacing{margin:0}</style></head><body><div>Hi,<br></div><div><br></div><div>This seems like a bug - there is a check to see if the Map projection is a geographic coordinate system [1], and if it is then it skips all the [maplon], [maplat], [minlon] etc. substitutions. If it is in another projection then the point and extent are reprojected to latlon and included in the template. <br></div><div><br></div><div>Seth<br></div><div><br></div><div><br></div><div>[1] <a href="https://github.com/MapServer/MapServer/blob/main/src/maptemplate.c#L4273">https://github.com/MapServer/MapServer/blob/main/src/maptemplate.c#L4273</a></div><div><br></div><div id="sig62266145"><div class="signature">--<br></div><div class="signature">web:<a href="https://geographika.net">https://geographika.net</a> & <a href="https://mapserverstudio.net">https://mapserverstudio.net</a><br></div><div class="signature">twitter: @geographika<br></div></div><div><br></div><div>On Thu, Oct 19, 2023, at 3:50 PM, Andrew Harfoot via MapServer-users wrote:<br></div><blockquote type="cite" id="qt" style=""><p>Hi list,<br></p><p>I am setting up a WMS server using Mapserver 7.6.2 and want to
return a html response to a GetFeatureInfo request where the
response contains the coordinates of the GFI click. The WMS
supports multiple coordinate systems, so ideally I'd like to have
the coordinates in a CRS that I can predetermine.<br></p><p>I have a test template file as follows:<br></p><pre><!-- MapServer Template -->
<p>
Map X/Y : [mapx],[mapy]<br>
Map LL : [maplon],[maplat]
</p><br></pre><p>If I configure an 'old style' TEMPLATE in the map file, directly
referencing the html template as follows:<br></p><pre>LAYER
TEMPLATE "coord_comp.html"<br></pre><p>With a GFI request specifying a CRS of EPSG:27700:<br></p><pre>...&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetFeatureInfo
&BBOX=379766.9556955648586154,58602.32640402266406454,405538.15569556411355734,94300.79913129436317831
&CRS=EPSG:27700&WIDTH=649&HEIGHT=899&LAYERS=test&STYLES=&FORMAT=image/jpeg&QUERY_LAYERS=test
&INFO_FORMAT=text/html&I=268&J=647&FEATURE_COUNT=50
<br></pre><p><br></p><p>the output of is as follows:<br></p><p></p><div>Map X/Y : 390428.846605,68589.162768<br></div><div> Map LL : 50.516415,-2.135015<br></div><p></p><p>When a similar requests are made specifying a CRS of EPSG:4326:<br></p><pre>...&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetFeatureInfo
&BBOX=50.33460688675980776,-2.28814701603231718,50.84060858090575863,-1.92285769511938809
&CRS=EPSG:4326&WIDTH=649&HEIGHT=899&LAYERS=test&STYLES=&FORMAT=image/jpeg&QUERY_LAYERS=test
&INFO_FORMAT=text/html&I=298&J=579&FEATURE_COUNT=50
<br></pre><p>the output is as follows:<br></p><p><br></p><p></p><div>Map X/Y : 50.514437,-2.120136<br></div><div> Map LL : [maplon],[maplat]<br></div><p></p><p>The maplat and maplon templates are not substituted.<br></p><p>Mapserver has been compiled with PROJ support and a PROJECTION
has been defined for the layer in the map file.<br></p><p>The CRS of the source data is EPSG:27700<br></p><p>I was hoping that the maplat and maplon templates would provide
me with a consistent source of coordinate information, independent
of the request CRS. Can anybody shed any light on the observed
behaviour?<br></p><div>Thanks,<br></div><p>Andy<br></p><pre class="qt-moz-signature" cols="72">--
Andy Harfoot
Skype: gdi_ajph
Teams: <a class="qt-moz-txt-link-abbreviated" href="mailto:ajph@soton.ac.uk">ajph@soton.ac.uk</a>
Phone: +44 2380 590566
GeoData Institute
University of Southampton
Southampton
SO17 1BJ
<a class="qt-moz-txt-link-abbreviated" href="http://www.geodata.soton.ac.uk">www.geodata.soton.ac.uk</a><br></pre><div>_______________________________________________<br></div><div>MapServer-users mailing list<br></div><div><a href="mailto:MapServer-users@lists.osgeo.org">MapServer-users@lists.osgeo.org</a><br></div><div><a href="https://lists.osgeo.org/mailman/listinfo/mapserver-users">https://lists.osgeo.org/mailman/listinfo/mapserver-users</a><br></div><div><br></div></blockquote><div><br></div></body></html>