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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">About ows_* from
<a href="https://www.mapserver.org/ogc/wms_server.html">https://www.mapserver.org/ogc/wms_server.html</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#3E4349;background:white">(Note that each of the metadata below can also be referred to as ‘ows_*’ instead of ‘wms_*’. MapServer tries the ‘wms_*’ metadata first,
and if not found it tries the corresponding ‘ows_*’ name. Using this reduces the amount of duplication in mapfiles that support multiple OGC interfaces since “ows_*” metadata can be used almost everywhere for common metadata items shared by multiple OGC interfaces.)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#3E4349;background:white"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.5pt;font-family:"Arial",sans-serif;color:#3E4349;background:white">-Jukka Rahkonen-</span><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>Lähettäjä:</b> MapServer-users <mapserver-users-bounces@lists.osgeo.org>
<b>Puolesta </b>Sander Pukk<br>
<b>Lähetetty:</b> keskiviikko 9. helmikuuta 2022 11.26<br>
<b>Vastaanottaja:</b> Jason Snyder <mapserver-users@lists.osgeo.org><br>
<b>Aihe:</b> [mapserver-users] Mapserver URL request layer<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi there!<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Trying to use a geojson output from API directly in Mapserver layer.<o:p></o:p></p>
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<p class="MsoNormal">Geojson is per standard, 4326, but my Mapserver and OL (the client) is configured to 3301.<o:p></o:p></p>
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<p class="MsoNormal">We have hundreds of layers (mostly from Postgres) at the same time and the system works.<o:p></o:p></p>
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<p class="MsoNormal">No other direct API ones.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The current MAP file's WEB part looks like this:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> WEB<br>
METADATA<br>
"wfs_title" "title"<br>
"wfs_enable_request" "*"<br>
"wms_enable_request" "*"<br>
"wfs_encoding" "UTF-8"<br>
"wms_title" "title"<br>
"wms_encoding" "UTF-8"<br>
"wms_onlineresource" "url/mapserv?map=/app/gis/infokihid/infolayers_other.map&"<br>
"wfs_onlineresource" "url/mapserv?map=/app/gis/infokihid/infolayers_other.map&"<br>
"ows_srs" "EPSG:3301 EPSG:3857 EPSG:4326"<br>
"ows_enable_request" "*"<br>
"wfs_getfeature_formatlist" "gml,geojson"<br>
"wms_feature_info_mime_type" "application/json,application/json; subtype=geojson,application/vnd.ogc.gml,text/plain"<br>
END<br>
END<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> PROJECTION<br>
"init=epsg:3301"<br>
END<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">And the layer:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> PROJECTION<br>
"init=epsg:4326"<br>
END<br>
<br>
METADATA<br>
"wfs_srs" "EPSG:3301"<br>
"gml_msGeometry_type" "line" <o:p></o:p></p>
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<p class="MsoNormal"><i> #"ows_extent" "40500 5993000 1064500 7017000" copy paste lon and lat from these 3301 coordinates from other layer's capabilites</i><br>
"ows_extent" "14.9318705986602 53.7681633673032 35.1060366818735 63.2747817924556" <br>
"wfs_extent" "14.9318705986602 53.7681633673032 35.1060366818735 63.2747817924556"<br>
"wms_extent" "14.9318705986602 53.7681633673032 35.1060366818735 63.2747817924556"<br>
"ows_title" "road_restrictions"<br>
"ows_abstract" "road_restrictions"<br>
"ows_keywordlist" "road_restrictions"<br>
"ows_include_items" "all"<br>
"gml_include_items" "all"<br>
"ows_featureid" "id"<br>
"gml_exclude_items" "edges,geometry"<br>
"ows_exclude_items" "edges,geometry"<br>
END <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> Couple of questions I have which I didnt really find answers for:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
Had issues with 4326 to 3301 transformation,the extent and all that. (OpenLayers could manage but QGIS couldnt). Previously only had ows_extent. <br>
Is ows_extent even a thing? This only shows wms_extent <a href="https://mapserver.org/ogc/wms_server.html#layer-object-metadata">https://mapserver.org/ogc/wms_server.html#layer-object-metadata</a><br>
Should you use wfs_extent and wms_extent instead?<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
My layer is doing an OGR connection directly to the API URL. Works fine. My question is, the API renews itself every 2 minutes (new data).<br>
How does Mapserver handle the request with that connection? I move the map (openlayers), there's a new Mapserver request - does Mapserver make a new request to the API endpoint and get a new json?<br>
Or is there some sort of cache?<o:p></o:p></li><li class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt;mso-list:l0 level1 lfo1">
Am I missing something else from the Metadata that I should consider? <o:p></o:p></li></ol>
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<p class="MsoNormal">With kind regards,<o:p></o:p></p>
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<p class="MsoNormal">Sander<o:p></o:p></p>
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