Stefano,
Thanks so much! This one works!
Wen
From: Stefano Costa [mailto:stefano.co...@geo-solutions.it]
Sent: Wednesday, September 16, 2015 2:14 PM
To: Yin, Wentao (IS) (Contr)
Cc: geoserver-users
Subject: Re: EXT :Re: [Geoserver-users] BBOX filter on chained features
Hi Wen,
did you try with the mapping configuration I attached to a previous e-mail?
In case you didn't get the mail because of the attachment, I'll copy-paste the
relevant sections in the body of this mail.
gsml_GeologicUnit.xml:
<FeatureTypeMapping>
<sourceDataStore>datastore</sourceDataStore>
<sourceType>gsml_GeologicUnit</sourceType>
<targetElement>gsml:GeologicUnit</targetElement>
<attributeMappings>
<AttributeMapping>
<targetAttribute>
gsml:GeologicUnit
</targetAttribute>
<idExpression>
<OCQL>ID</OCQL>
</idExpression>
</AttributeMapping>
<AttributeMapping>
<targetAttribute>
gml:description
</targetAttribute>
<sourceExpression>
<OCQL>DESCRIPTION</OCQL>
</sourceExpression>
</AttributeMapping>
<AttributeMapping>
<targetAttribute>
gml:name[1]
</targetAttribute>
<sourceExpression>
<OCQL>NAME</OCQL>
</sourceExpression>
<ClientProperty>
<name>codeSpace</name>
<value>'urn:x-test:classifierScheme:TestAuthority:GeologicUnitName'</value>
</ClientProperty>
</AttributeMapping>
<AttributeMapping>
<targetAttribute>
gml:name[2]
</targetAttribute>
<sourceExpression>
<OCQL>CODE</OCQL>
</sourceExpression>
<ClientProperty>
<name>codeSpace</name>
<value>'urn:x-test:classifierScheme:TestAuthority:GeologicUnitCode'</value>
</ClientProperty>
</AttributeMapping>
<AttributeMapping>
<targetAttribute>
gml:name[3]
</targetAttribute>
<sourceExpression>
<OCQL>URN</OCQL>
</sourceExpression>
<ClientProperty>
<name>codeSpace</name>
<value>'urn:x-test:classifierScheme:TestAuthority:GeologicUnitId'</value>
</ClientProperty>
</AttributeMapping>
<AttributeMapping>
<targetAttribute>
gsml:occurrence
</targetAttribute>
<sourceExpression>
<OCQL>URN</OCQL>
<linkElement>gsml:MappedFeature</linkElement>
<linkField>FEATURE_LINK</linkField>
</sourceExpression>
<isMultiple>true</isMultiple>
</AttributeMapping>
</attributeMappings>
</FeatureTypeMapping>
gsml_MappedFeature.xml:
<FeatureTypeMapping>
<sourceDataStore>datastore</sourceDataStore>
<sourceType>gsml_MappedFeature</sourceType>
<targetElement>gsml:MappedFeature</targetElement>
<attributeMappings>
<AttributeMapping>
<targetAttribute>
gsml:MappedFeature
</targetAttribute>
<idExpression>
<OCQL>ID</OCQL>
</idExpression>
</AttributeMapping>
<AttributeMapping>
<targetAttribute>
gml:name[1]
</targetAttribute>
<sourceExpression>
<OCQL>NAME</OCQL>
</sourceExpression>
</AttributeMapping>
<AttributeMapping>
<targetAttribute>
gml:name[2]
</targetAttribute>
<sourceExpression>
<OCQL>GU_URN</OCQL>
</sourceExpression>
</AttributeMapping>
<AttributeMapping>
<targetAttribute>
FEATURE_LINK
</targetAttribute>
<sourceExpression>
<OCQL>GU_URN</OCQL>
</sourceExpression>
</AttributeMapping>
<AttributeMapping>
<targetAttribute>
gsml:specification
</targetAttribute>
<ClientProperty>
<name>xlink:href</name>
<value>GU_URN</value>
</ClientProperty>
</AttributeMapping>
<AttributeMapping>
<targetAttribute>
gsml:shape
</targetAttribute>
<sourceExpression>
<OCQL>SHAPE</OCQL>
</sourceExpression>
</AttributeMapping>
<AttributeMapping>
<targetAttribute>gsml:observationMethod/gsml:CGI_TermValue/gsml:value</targetAttribute>
<sourceExpression>
<OCQL>'urn:ogc:def:nil:OGC:missing'</OCQL>
</sourceExpression>
<ClientProperty>
<name>codeSpace</name>
<value>'urn:ietf:rfc:2141'</value>
</ClientProperty>
</AttributeMapping>
<AttributeMapping>
<targetAttribute>gsml:positionalAccuracy</targetAttribute>
<targetAttributeNode>gsml:CGI_TermValuePropertyType</targetAttributeNode>
</AttributeMapping>
<AttributeMapping>
<targetAttribute>gsml:positionalAccuracy/gsml:CGI_TermValue/gsml:value</targetAttribute>
<sourceExpression>
<OCQL>'urn:ogc:def:nil:OGC:missing'</OCQL>
</sourceExpression>
<ClientProperty>
<name>codeSpace</name>
<value>'urn:ietf:rfc:2141'</value>
</ClientProperty>
</AttributeMapping>
</attributeMappings>
</FeatureTypeMapping>
What did the trick for me was to chain the two features using the special
FEATURE_LINK attribute instead of gml:name (see highlighted sections).
I just tested the two requests below and they work for me:
WFS 2.0 with GML 3.1 output:
<?xml version="1.0" encoding="UTF-8"?>
<GetFeature service="WFS" version="2.0.0"
outputFormat="gml3"
xmlns="http://www.opengis.net/wfs/2.0";
xmlns:gsml="urn:cgi:xmlns:CGI:GeoSciML:2.0"
xmlns:gml="http://www.opengis.net/gml/3.2";
xmlns:fes="http://www.opengis.net/fes/2.0";>
<Query typeNames="gsml:GeologicUnit" >
<fes:Filter>
<fes:BBOX>
<fes:ValueReference>gsml:occurrence/gsml:MappedFeature/gsml:shape</fes:ValueReference>
<gml:Envelope>
<gml:lowerCorner>143.49 -39</gml:lowerCorner>-->
<gml:upperCorner>143.50 -38</gml:upperCorner>-->
</gml:Envelope>
</fes:BBOX>
</fes:Filter>
</Query>
</GetFeature>
WFS 1.1:
<?xml version="1.0" encoding="utf-8"?>
<wfs:GetFeature service="WFS" version="1.1.0"
xmlns:gsml="urn:cgi:xmlns:CGI:GeoSciML:2.0"
xmlns:wfs="http://www.opengis.net/wfs";
xmlns:ogc="http://www.opengis.net/ogc";
xmlns:gml="http://www.opengis.net/gml";>
<wfs:Query typeName="gsml:GeologicUnit">
<ogc:Filter>
<ogc:Intersects>
<ogc:PropertyName>gsml:occurrence/gsml:MappedFeature/gsml:shape</ogc:PropertyName>
<gml:Envelope>
<gml:lowerCorner>143.49 -39</gml:lowerCorner>
<gml:upperCorner>143.50 -38</gml:upperCorner>
</gml:Envelope>
</ogc:Intersects>
</ogc:Filter>
</wfs:Query>
</wfs:GetFeature>
Hope this helps.
On Wed, Sep 16, 2015 at 7:38 PM, Yin, Wentao (IS) (Contr)
<wentao....@ngc.com<mailto:wentao....@ngc.com>> wrote:
Stefano,
I tried geometry filters on nested features on both WFS1.1 and WFS2.0, no
record returned. But it does return records if the filter is applied to
MappedFeature directly.
Is there any working sample available?
Thanks,
Wen
---------------------------------
WFS 2.0
<?xml version="1.0" encoding="UTF-8"?>
<wfs:GetFeature service="WFS" version="2.0.0"
xmlns:gsml="urn:cgi:xmlns:CGI:GeoSciML:2.0"
xmlns:gml="http://www.opengis.net/gml/3.2";
xmlns:wfs="http://www.opengis.net/wfs/2.0";
xmlns:fes="http://www.opengis.net/fes/2.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://www.opengis.net/gml/3.2
http://schemas.opengis.net/gml/3.2.1/gml.xsd http://www.opengis.net/wfs/2.0
http://schemas.opengis.net/wfs/2.0/wfs.xsd";>
<wfs:Query typeNames="gsml:GeologicUnit">
<fes:Filter>
<fes:BBOX>
<fes:ValueReference>
gsml:occurrence/gsml:MappedFeature/gsml:shape</fes:ValueReference>
<gml:Envelope>
<gml:lowerCorner>-100 -100</gml:lowerCorner>
<gml:upperCorner>3000 3000</gml:upperCorner>
</gml:Envelope>
</fes:BBOX>
</fes:Filter>
</wfs:Query>
</wfs:GetFeature>
-----------------------------
WFS 1.1
<wfs:GetFeature service="WFS" version="1.1.0"
xmlns:gsml="urn:cgi:xmlns:CGI:GeoSciML:2.0"
xmlns:wfs="http://www.opengis.net/wfs";
xmlns:ogc="http://www.opengis.net/ogc";
xmlns:gml="http://www.opengis.net/gml";>
<wfs:Query typeName="gsml:GeologicUnit">
<ogc:Filter>
<ogc:Intersects>
<ogc:PropertyName>gsml:occurrence/gsml:MappedFeature/gsml:shape</ogc:PropertyName>
<gml:Envelope>
<gml:lowerCorner>143.49 -39</gml:lowerCorner>
<gml:upperCorner>143.50 -38</gml:upperCorner>
</gml:Envelope>
</ogc:Intersects>
</ogc:Filter>
</wfs:Query>
</wfs:GetFeature>
From: Stefano Costa
[mailto:stefano.co...@geo-solutions.it<mailto:stefano.co...@geo-solutions.it>]
Sent: Monday, September 14, 2015 3:39 PM
To: Yin, Wentao (IS) (Contr)
Cc: geoserver-users
Subject: Re: EXT :Re: [Geoserver-users] BBOX filter on chained features
Hi Wen,
please stay on the ML.
Your mapping looks a bit strange (at least to me):
1) You're mapping a geometry (aixm:Surface) as a feature
2) You're mapping the horizontalProjection property as a multi-valued property
(<isMultiple>true</isMultiple>), but it's not
3) I was expecting a foreign key column in the GPS table, pointing to the G
table: where is it? Is it true that g.id<http://g.id> = gps.id<http://gps.id>,
as your mapping suggests? So gps.id<http://gps.id> is both primary key of the
gps table and foreing key referencing g.id<http://g.id>?
4) What type are the geometries stored in gps.longlat? The name of the column
suggests you have points in there, but you're mapping it to a gml:LinearRing
5) This
thread<http://osgeo-org.1560.x6.nabble.com/App-schema-How-to-map-Oracle-Geometry-into-GML-td4984781.html>
seems to confirm my doubts about types extending the base GML types (e.g.
aixm:SurfaceType, which extends gml:SurfaceType): GeoServer uses statically
defined Java bindings for all geometry types, so it is not comfortable with
user-defined geometry types
On Mon, Sep 14, 2015 at 2:46 PM, Yin, Wentao (IS) (Contr)
<wentao....@ngc.com<mailto:wentao....@ngc.com>> wrote:
Thanks, Stefano,
I can do BBOX query on surface if I make it a feature, but always got the error
when query on it as a nested feature.
….
--
Best regards,
Stefano Costa
==
GeoServer Professional Services from the experts! Visit
http://goo.gl/it488V for more information.
==
Dott. Stefano Costa
Senior Software Engineer
GeoSolutions S.A.S.
Via Poggio alle Viti 1187
55054 Massarosa (LU)
Italy
phone: +39 0584 962313
fax: +39 0584 1660272
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