Gavin,
it looks to me like GeodesyML is a GML 3.2.1 application schema:
https://github.com/GeoscienceAustralia/GeodesyML/
This means that it will only work with GML 3.2 output from GeoServer.
Either select a GML 3.2 output format, use WFS 2.0 (which defaults to
GML 3.2), or manually add outputformat=gml32 to a WFS 1.1 request.
You will likely also have to define secondary namespaces:
http://docs.geoserver.org/latest/en/user/data/app-
schema/supported-gml-versions.html
http://docs.geoserver.org/latest/en/user/data/app-
schema/secondary-namespaces.html
schemaUri must be a URL. You can have multiple elements. The top-level
one might be this, but I do not know if it includes monumentInfo.xsd:
https://github.com/GeoscienceAustralia/GeodesyML/
blob/master/schemas/geodesyML.xsd
app-schema will cache it for you. Use a better URL if you have one (e.g.
from geodesyml.org).
I do not know GeodesyML and do not know what type you should choose.
Perhaps geo:Site? This is the thing that goes on targetElement.
Where is the siteName you mentioned? Could you use the gml:name
inherited from gml:AbstractFeatureType? The property name goes in
targetAttribute.
Deciding how to map your database to the XML schema is, according to
reports, 2/3 of the work.
Kind regards,
Ben.
On 16/06/17 10:53, medley wrote:
Hi,
I am trying to have a Geoserver display GML its output in the GeodesyML
schema, outlined here
<https://geoscienceaustralia.github.io/GeodesyML-Github-Pages/> . In
particular, I am working with GPS monument meta data. For now I'm trying
to
just output the siteName in GeodesyML schema when I click GML in the
Layers
Preview in Geoserver. The relevant XML schema definition file for
GeodesyML
is called monumentInfo.xsd. Unfortunately, I can't seem to get the
mapping
correct from my database schema to GeodesyML. In particular I think the
problem is in the <targetElement> or <targetAttribute> fields within
<FeatureTypeMapping>. I concluded that I should use geo:GeodesyML as the
argument to schemaUri because it is the only xsd file with a top level
element (type GeodesyMLType).
How can I use the schema outlined in the monumentInfo.xsd schema
definition?
Specifically here, how can I map site_name in my database schema to
siteName
in the GeodesyML schema?
Any help is sincerely appreciated and I apologize if my lack of
familiarity
with XML is causing me to ask a silly question. I have done a fair bit
of
Google research. The tutorial I followed to get this far is here
<http://docs.geoserver.org/latest/en/user/data/app-schema/tutorial.html>
,
with supporting documentation here
<http://docs.geoserver.org/stable/en/user/data/app-
schema/mapping-file.html>
but they are using GeoscienceML, not GeodesyML.
-Gavin Medley
*The view I am querying, called geoml_monuments contains:*
id | station_code | site_name | geolocation | iers_domex | country_name
I am pretty sure this is fine.
*The monumentsInfo.xsd file:*
https://github.com/GeoscienceAustralia/GeodesyML/blob/master/schemas/
monumentInfo.xsd
<https://github.com/GeoscienceAustralia/GeodesyML/blob/master/schemas/
monumentInfo.xsd>
*The GeodesyML.xsd file:*
https://github.com/GeoscienceAustralia/GeodesyML/
blob/master/schemas/geodesyML.xsd
<https://github.com/GeoscienceAustralia/GeodesyML/
blob/master/schemas/geodesyML.xsd>
*My mapping file:*
<?xml version="1.0" encoding="UTF-8"?>
<as:AppSchemaDataAccess
xmlns:as="http://www.geotools.org/app-schema";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://www.geotools.org/app-schema
AppSchemaDataAccess.xsd">
<namespaces>
<Namespace>
<prefix>geo</prefix>
<uri>urn:xml-gov-au:icsm:egeodesy:0.4</uri>
</Namespace>
<Namespace>
<prefix>gml</prefix>
<uri>http://www.opengis.net/gml/3.2</uri>
</Namespace>
<Namespace>
<prefix>gmd</prefix>
<uri>http://www.isotc211.org/2005/gmd</uri>
</Namespace>
</namespaces>
<includedTypes></includedTypes>
<sourceDataStores>
<DataStore>
<id>thedb</id>
<parameters>
<Parameter>
<name>dbtype</name>
<value>postgisng</value>
</Parameter>
<Parameter>
<name>host</name>
<value>thedatabaselocation.unavco.org</value>
</Parameter>
<Parameter>
<name>port</name>
<value>5432</value>
</Parameter>
<Parameter>
<name>database</name>
<value>tst3</value>
</Parameter>
<Parameter>
<name>user</name>
<value>theuser</value>
</Parameter>
<Parameter>
<name>passwd</name>
<value>thepassword</value>
</Parameter>
</parameters>
</DataStore>
</sourceDataStores>
<catalog></catalog>
<targetTypes>
<FeatureType>
<schemaUri>http://localhost/geodesyML_schemas/geodesyML.xsd</schemaUri>
</FeatureType>
</targetTypes>
<typeMappings>
<FeatureTypeMapping>
<sourceDataStore>thedb</sourceDataStore>
<sourceType>geoml_monuments</sourceType>
<targetElement>geo:GeodesyML</targetElement>
<attributeMappings>
<AttributeMapping>
<targetAttribute>geo:siteIdentificationType/geo:siteName</targetAttribute>
<sourceExpression><OCQL>site_name</OCQL></sourceExpression>
</AttributeMapping>
</attributeMappings>
</FeatureTypeMapping>
</typeMappings>
</as:AppSchemaDataAccess>
*The output upon clicking GML from Layer Preview:*
<ows:ExceptionReport xmlns:xs="http://www.w3.org/2001/XMLSchema";
xmlns:ows="http://www.opengis.net/ows";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; version="1.0.0"
xsi:schemaLocation="http://www.opengis.net/ows
http://localhost:8080/geoserver/schemas/ows/1.0.0/owsExceptionReport.xsd";>
<ows:Exception exceptionCode="NoApplicableCode">
<ows:ExceptionText>
java.lang.RuntimeException: Error applying mapping with targetAttribute
geo:siteIdentificationType/geo:siteName Error applying mapping with
targetAttribute geo:siteIdentificationType/geo:siteName
geo:siteIdentificationType is not a valid location path for type
urn:xml-gov-au:icsm:egeodesy:0.4:GeodesyMLType.
geo:siteIdentificationType
ns: urn:xml-gov-au:icsm:egeodesy:0.4, GeodesyMLType properties:
http://www.opengis.net/gml/3.2#metaDataProperty,
http://www.opengis.net/gml/3.2#description,
http://www.opengis.net/gml/3.2#descriptionReference,
http://www.opengis.net/gml/3.2#identifier,
http://www.opengis.net/gml/3.2#name,
http://www.opengis.net/gml/3.2#boundedBy,
http://www.opengis.net/gml/3.2#location,
http://www.opengis.net/gml/3.2#validTime,
urn:xml-gov-au:icsm:egeodesy:0.4#Node,
urn:xml-gov-au:icsm:egeodesy:0.4#AbstractPosition,
urn:xml-gov-au:icsm:egeodesy:0.4#PositionPairCovariance,
urn:xml-gov-au:icsm:egeodesy:0.4#Site,
urn:xml-gov-au:icsm:egeodesy:0.4#siteVisit,
urn:xml-gov-au:icsm:egeodesy:0.4#Monument,
urn:xml-gov-au:icsm:egeodesy:0.4#SupplementaryMark,
urn:xml-gov-au:icsm:egeodesy:0.4#AbstractMeasurement,
urn:xml-gov-au:icsm:egeodesy:0.4#Instrument,
urn:xml-gov-au:icsm:egeodesy:0.4#Sensor,
urn:xml-gov-au:icsm:egeodesy:0.4#AbstractPositionSource,
urn:xml-gov-au:icsm:egeodesy:0.4#AbstractPositionEstimator,
urn:xml-gov-au:icsm:egeodesy:0.4#AbstractMeasurementSource,
urn:xml-gov-au:icsm:egeodesy:0.4#AbstractMeasurementOperation,
urn:xml-gov-au:icsm:egeodesy:0.4#AbstractDefinitionSource,
urn:xml-gov-au:icsm:egeodesy:0.4#AbstractDefinitionOperation,
urn:xml-gov-au:icsm:egeodesy:0.4#AbstractSiteLog,
urn:xml-gov-au:icsm:egeodesy:0.4#Project,
urn:xml-gov-au:icsm:egeodesy:0.4#Document,
urn:xml-gov-au:icsm:egeodesy:0.4#Setup,
urn:xml-gov-au:icsm:egeodesy:0.4#TerrestrialReferenceFrame,
urn:xml-gov-au:icsm:egeodesy:0.4#DynamicTransformation,
http://www.opengis.net/gml/3.2#AbstractCRS, null#FEATURE_LINK,
null#FEATURE_LINK
</ows:ExceptionText>
</ows:Exception>
</ows:ExceptionReport>
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