Mapscript and SOS

[Kralidis,Tom [Burlington]]

Can you check your server logs see, exactly, what mapscript sends as the GetObservation request?

..Tom
 

> -----Original Message-----
> From: UMN MapServer Users List 
> [mailto:MAPSERVER-USERS at LISTS.UMN.EDU] On Behalf Of "Peter Löwe"
> Sent: 03 July, 2007 11:12 AM
> To: MAPSERVER-USERS at LISTS.UMN.EDU
> Subject: Re: [UMN_MAPSERVER-USERS] Mapscript and SOS
> 
> Hi,
> 
> the MapScript Wrappers for WxS Services indeed _do_ enable 
> SOS requests, however, the results seem strange:
> 
> A GetObservation-query like:
> 
> http://localhost/swe/php_sos0.php?Request=GetObservation&servi
> ce=SOS&offering=oid_1&observedproperty=1234&procedure=sputnik0
> 01&version=0.0.31
> 
> provides only the event time. (output follow below).
> 
> Here's the SOS-relevant content which is provided via PHP:
> ---------------------------
>  $oLayerSensor_temp->setMetaData("sos_procedure","sputnik001");
>   $oLayerSensor_temp->setMetaData("sos_offering_id", "oid_1" );
>   $oLayerSensor_temp->setMetaData("sos_observedproperty_id", "1234" );
>   $oLayerSensor_temp->setMetaData("sos_describesensor_url", 
> "139.255.165.155/swe/weatherstation.xml" );
>   $oLayerSensor_temp->setMetaData("sos_componenturl", 
> "139.255.165.155/swe/component.xml" ); 
> $oLayerSensor_temp->setMetaData("sos_observedproperty_name", 
> "opid_name_Temperature" );
>   $oLayerSensor_temp->setMetaData("sos_offering_description", 
> "OfferingDescription_Temperature" );
>   $oLayerSensor_temp->setMetaData("sos_offering_extent", 
> "29.5.4, 34.5, 30.5, 35.5" );
>   $oLayerSensor_temp->setMetaData("sos_offering_timeextent", 
> "1982/2007" );
> ---------------------------
>  
> This is the returned XML: 
> 
> <?xml version="1.0" encoding="ISO-8859-1"?> 
> <om:ObservationCollection 
> xmlns:gml="http://www.opengis.net/gml" 
> xmlns:ows="http://www.opengis.net/ows" 
> xmlns:swe="http://www.opengis.net/swe" 
> xmlns:xlink="http://www.w3.org/1999/xlink" 
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
> xmlns:sos="http://www.opengis.net/sos" 
> xmlns:om="http://www.opengis.net/om" gml:id="oid_1" 
> xsi:schemaLocation="http://www.opengeospatial.net/om 
> http://schemas.opengeospatial.net/om.xsd">
>   <om:eventTime>
>     <gml:TimePeriod xmlns:gml="http://www.opengis.net/gml">
>       <gml:beginPosition 
> xmlns:gml="http://www.opengis.net/gml">1982</gml:beginPosition>
>       <gml:endPosition 
> xmlns:gml="http://www.opengis.net/gml">2007</gml:endPosition>
>     </gml:TimePeriod>
>   </om:eventTime>
> </om:ObservationCollection>
> 
> On the other hand, when the same amount of SOS-Metadata is 
> provided through a map-file, the returned XMl is much more talkative:
> 
> <?xml version="1.0" encoding="ISO-8859-1"?> 
> <om:ObservationCollection 
> xmlns:gml="http://www.opengis.net/gml" 
> xmlns:ows="http://www.opengis.net/ows" 
> xmlns:swe="http://www.opengis.net/swe" 
> xmlns:xlink="http://www.w3.org/1999/xlink" 
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
> xmlns:sos="http://www.opengis.net/sos" 
> xmlns:om="http://www.opengis.net/om" gml:id="gauge01" 
> xsi:schemaLocation="http://www.opengeospatial.net/om 
> http://schemas.opengeospatial.net/om.xsd">
>   <om:eventTime>
>     <gml:TimePeriod xmlns:gml="http://www.opengis.net/gml">
>       <gml:beginPosition 
> xmlns:gml="http://www.opengis.net/gml">2005</gml:beginPosition>
>       <gml:endPosition 
> xmlns:gml="http://www.opengis.net/gml">2006</gml:endPosition>
>     </gml:TimePeriod>
>   </om:eventTime>
>   <om:member>
>     <om:Observation>
>       <om:procedure 
> xlink:href="urn:ogc:def:procedure:SOSPROCEDURE_the_gauge"/>
>       <observedProperty>ObservedProperty_the_gauge</observedProperty>
>       <om:result>
>         <gml:featureMember xmlns:gml="http://www.opengis.net/gml">
>           <the_gauge>
>             <gml:boundedBy xmlns:gml="http://www.opengis.net/gml">
>               <gml:Envelope xmlns:gml="http://www.opengis.net/gml">
>                 <gml:lowerCorner srsName="epsg:4326">107.496 
> -7.80619</gml:lowerCorner>
>                 <gml:upperCorner srsName="epsg:4326">107.496 
> -7.80619</gml:upperCorner>
>               </gml:Envelope>
>             </gml:boundedBy>
>             <msGeometry>
>               <gml:Point 
> xmlns:gml="http://www.opengis.net/gml" srsName="epsg:4326">
>                 <gml:coordinates 
> xmlns:gml="http://www.opengis.net/gml">107.496,-7.80619</gml:c
> oordinates>
>               </gml:Point>
>             </msGeometry>
>           </the_gauge>
>         </gml:featureMember>
>       </om:result>
>     </om:Observation>
>   </om:member>
> </om:ObservationCollection>
> 
> 
> Any suggestions how to make the Mapscript-Wrapper version 
> more verbose ?
> 
> CU
> Peter
> 
> 
> >There is no direct support through the scripting languages 
> to call SOS 
> >requests or any other OGC specific requests.
> >You may want to look into the MapScript Wrappers for WxS Services
> >(http://mapserver.gis.umn.edu/docs/howto/wxs_mapscript) if 
> that can be 
> >used for you purpose.
> >
> >Later,
> >
> >Peter Loewe wrote:
> >> Hi,
> >> 
> >> does any information exist how to formulate SOS 
> getObeservation / describeSensor >>queries when using 
> Mapscript/PHP in the backend ?
> --
> Dr. Peter Löwe
> <peter.loewe at gmx.de>
> 
> 
> 
> 
> 
> Psssst! Schon vom neuen GMX MultiMessenger gehört?
> Der kanns mit allen: http://www.gmx.net/de/go/multimessenger
>