[oXygen-user] Please help in interpreting an "derivation-ok-restriction.5.4.2: Error for type 'GridDomainType'. The particle of the type is not a valid restriction of the particle of the base."

Hi,

We have been trying to validate the GML version 3.1.1.  We have managed to
track down 140 of the 144 errors in the XML Schema.  The last four errors are
really puzzling.  Could someone please help with interpreting and fixing the
errors?

The errors are:

http://www.w3.org/TR/xmlschema-1/#rcase-Recurse	E rcase-Recurse.2: There is
not a complete functional mapping between the particles.	coverage.xsd
file:/E:/downloads/GML3.1/GML2004-10-29/base/coverage.xsd	407:37
http://www.w3.org/TR/xmlschema-1/#derivation-ok-restriction	E
derivation-ok-restriction.5.4.2: Error for type 'GridDomainType'.  The
particle of the type is not a valid restriction of the particle of the base.
coverage.xsd	file:/E:/downloads/GML3.1/GML2004-10-29/base/coverage.xsd
407:37
http://www.w3.org/TR/xmlschema-1/#rcase-Recurse	E rcase-Recurse.2: There is
not a complete functional mapping between the particles.	coverage.xsd
file:/E:/downloads/GML3.1/GML2004-10-29/base/coverage.xsd	407:37
http://www.w3.org/TR/xmlschema-1/#derivation-ok-restriction	E
derivation-ok-restriction.5.4.2: Error for type 'GridDomainType'.  The
particle of the type is not a valid restriction of the particle of the base.
coverage.xsd	file:/E:/downloads/GML3.1/GML2004-10-29/base/coverage.xsd
407:37

The section in the coverage.xsd file looks like this:
	<complexType name="GridCoverageType">
		<complexContent>
			<restriction base="gml:AbstractDiscreteCoverageType">
				<sequence>
					<group
ref="gml:StandardObjectProperties"/>
					<element ref="gml:boundedBy"
minOccurs="0"/>
					<element ref="gml:gridDomain"/>
					<element ref="gml:rangeSet"/>
					<element ref="gml:coverageFunction"
minOccurs="0"/>
				</sequence>
			</restriction>
		</complexContent>
	<element name="gridDomain" type="gml:GridDomainType"
substitutionGroup="gml:domainSet"/>
	<!-- =========================================================== -->
	<complexType name="GridDomainType">
		<complexContent>
			<restriction base="gml:DomainSetType">
				<sequence minOccurs="0">
					<element ref="gml:Grid"/>
				</sequence>
				<attributeGroup
ref="gml:AssociationAttributeGroup"/>
			</restriction>
		</complexContent>
	</complexType>

Can anyone see the problem?

Thanks


John Hockaday
Geoscience Australia
GPO Box 378
Canberra ACT 2601
(02) 6249 9735
http://www.ga.gov.au/