dynamicfeature.xsd

由国外的一个著名的geonetwork修改而来

<?xml version="1.0" encoding="UTF-8"?>
<schema targetNamespace="http://www.opengis.net/gml" xmlns:gml="http://www.opengis.net/gml" xmlns="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" version="3.2.0">
	<annotation>
		<appinfo source="urn:ogc:specification:gml:schema-xsd:dynamicFeature:3.2.0">dynamicFeature.xsd</appinfo>
		<documentation>See ISO/DIS 19136 15.6.
A number of types and relationships are defined to represent the time-varying properties of geographic features. 
In a comprehensive treatment of spatiotemporal modeling, Langran (see Bibliography) distinguished three principal temporal entities: states, events, and evidence; the schema specified in the following Subclauses incorporates elements for each.</documentation>
	</annotation>
	<include schemaLocation="feature.xsd"/>
	<include schemaLocation="direction.xsd"/>
	<element name="dataSource" type="gml:StringOrRefType">
		<annotation>
			<documentation>Evidence is represented by a simple gml:dataSource or gml:dataSourceReference property that indicates the source of the temporal data. The remote link attributes of the gml:dataSource element have been deprecated along with its current type.</documentation>
		</annotation>
	</element>
	<element name="dataSourceReference" type="gml:ReferenceType">
		<annotation>
			<documentation>Evidence is represented by a simple gml:dataSource or gml:dataSourceReference property that indicates the source of the temporal data.</documentation>
		</annotation>
	</element>
	<group name="dynamicProperties">
		<annotation>
			<documentation>A convenience group. This allows an application schema developer to include dynamic properties in a content model in a standard fashion.</documentation>
		</annotation>
		<sequence>
			<element ref="gml:validTime" minOccurs="0"/>
			<element ref="gml:history" minOccurs="0"/>
			<element ref="gml:dataSource" minOccurs="0"/>
			<element ref="gml:dataSourceReference" minOccurs="0"/>
		</sequence>
	</group>
	<element name="DynamicFeature" type="gml:DynamicFeatureType" substitutionGroup="gml:AbstractFeature">
		<annotation>
			<documentation>States are captured by time-stamped instances of a feature. The content model extends the standard gml:AbstractFeatureType with the gml:dynamicProperties model group.
Each time-stamped instance represents a 鈥榮napshot鈥