[GeoMoose-users] WFS identify is GeoMoose using MapServer

Mon Jan 2 15:56:01 PST 2023

Hi Brent,

Can you check to see if it this issue:

https://github.com/geomoose/gm3/issues/346

Tanya

On Mon, Jan 2, 2023 at 2:44 PM Brent Fraser <bfraser at geoanalytic.com> wrote:

> Hmm,    I would say that GeoMoose should not include a MAP= in the request
> if there is no <file> in the mapsource definition.
>
>
>
> ------------------------------
> *From*: "Dan Little" <theduckylittle at gmail.com>
> *Sent*: 1/2/23 3:40 PM
> *To*: bfraser at geoanalytic.com
> *Cc*: Jeff McKenna <jmckenna at gatewaygeomatics.com>, GeoMoose Users <
> geomoose-users at lists.osgeo.org>
> *Subject*: Re: [GeoMoose-users] WFS identify is GeoMoose using MapServer
>
> I suspect MS_MAPFILE_PATTERN needs set. Ala:
> https://mapserver.org/mapfile/config.html
>
> On Mon, Jan 2, 2023 at 4:14 PM Brent Fraser <bfraser at geoanalytic.com>
> wrote:
>
> Interesting.  When I change the mapsource type from "wfs to
> "mapserver-wfs", Mapserver returns
>
> <HTML>
> <HEAD><TITLE>MapServer Message</TITLE></HEAD>
> <!-- MapServer version 8.1-dev 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=GEOS SUPPORTS=PBF INPUT=JPEG INPUT=POSTGIS
> INPUT=OGR INPUT=GDAL INPUT=SHAPEFILE INPUT=FLATGEOBUF -->
> <BODY BGCOLOR="#FFFFFF">
> msCGILoadMap(): *Web application error. CGI variable "map"
> fails to validate.*
> </BODY></HTML>
>
> somewhat reasonable since GeoMoose adds a
>     &MAP=C:/ms4w/apps/gm3-demo-data/undefined
> to the request.
>
>
>
> ------------------------------
> *From*: "Dan Little" <theduckylittle at gmail.com>
> *Sent*: 1/2/23 2:59 PM
> *To*: bfraser at geoanalytic.com
> *Cc*: Jeff McKenna <jmckenna at gatewaygeomatics.com>, GeoMoose Users <
> geomoose-users at lists.osgeo.org>
> *Subject*: Re: [GeoMoose-users] WFS identify is GeoMoose using MapServer
>
> Thi is actually a MapServer bug that's been around for a while. MapServer
> doesn't do well when querying in 3857 and the underlying data is in another
> projection. So we have an option to use the "wgs84Hack" (internal name in
> the code). This is enabled when the map-source type is set to
> "mapserver-wfs".
>
>
>
>
>
> On Mon, Jan 2, 2023 at 3:55 PM Brent Fraser <bfraser at geoanalytic.com>
> wrote:
>
> Hi Jeff (and others),
>
>   I'm in the process of testing WFS in GeoMoose and thought I would make
> WFS requests to the demo site at demo.mapserver.org.  So in accessing the
> cities layer (
> https://demo.mapserver.org/cgi-bin/wfs?SERVICE=WFS&VERSION=1.0.0&REQUEST=GetCapabilities)
> it displays OK in GeoMoose even though the display SRS is EPSG:3857.
>
>   However the Identify operation fails. Mapserver returns
>
> <?xml version='1.0' encoding="UTF-8" ?>
> <wfs:FeatureCollection
>    xmlns:ms="http://mapserver.gis.umn.edu/mapserver"
>    xmlns:wfs="http://www.opengis.net/wfs"
>    xmlns:gml="http://www.opengis.net/gml"
>    xmlns:ogc="http://www.opengis.net/ogc"
>    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>    xsi:schemaLocation="http://www.opengis.net/wfs
> http://schemas.opengis.net/wfs/1.1.0/WFS-basic.xsd
>                        http://mapserver.gis.umn.edu/mapserver
> https://demo.mapserver.org/cgi-bin/wfs?SERVICE=WFS&VERSION=1.1.0&REQUEST=DescribeFeatureType&TYPENAME=ms:cities&OUTPUTFORMAT=XMLSCHEMA
> <https://demo.mapserver.org/cgi-bin/wfs?SERVICE=WFS&VERSION=1.1.0&REQUEST=DescribeFeatureType&TYPENAME=ms:cities&OUTPUTFORMAT=XMLSCHEMA>
> ">
>    <gml:boundedBy>
>       <gml:null>*missing*</gml:null>
>    </gml:boundedBy>
> </wfs:FeatureCollection>
>
> when the request sent (via POST) is
> <GetFeature xmlns="http://www.opengis.net/wfs"
>             service="WFS"
>             version="1.1.0"
>             outputFormat="text/xml; subtype=gml/2.1.2"
>             xsi:schemaLocation="http://www.opengis.net/wfs
> http://schemas.opengis.net/wfs/1.1.0/wfs.xsd"
>             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
>     <Query typeName="ms:cities"
>            srsName=*"EPSG:3857*">
>         <Filter xmlns="http://www.opengis.net/ogc">
>             <Intersects>
>                 <PropertyName>geom</PropertyName>
>                 <Polygon xmlns="http://www.opengis.net/gml">
>                     <exterior>
>                         <LinearRing>
>                             <posList srsDimension="2">
>                                 -10382797.7354368  5615179.747957421
>                                 -10382797.7354368  5615332.622013991
>                                 -10382644.86138023 5615332.622013991
>                                 -10382644.86138023 5615179.747957421
>                                 -10382797.7354368  5615179.747957421
>                             </posList>
>                         </LinearRing>
>                     </exterior>
>                 </Polygon>
>             </Intersects>
>         </Filter>
>     </Query>
> </GetFeature>
>
>  Note the srsName in the request (3857 is not listed in the MapServer
> GetCapabilities doc).  When asking for the features for display GeoMoose
> sends a BBOX (3857) in the request.  When requesting feature(s) in
> Identify, it sends only the Intersects filter in the above XML.
>
> So I'm not sure if this is a Mapserver configuration issue or a bug/Issue
> in GeoMoose.
>
> Your thoughts?
>
> Thanks!
> Brent Fraser
>
>
>
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