wfs-capabilities.xsd

电子地图服务器,搭建自己的地图服务

   </xsd:complexType>
   <xsd:complexType name="TransactionType">
      <xsd:sequence>
         <xsd:element name="DCPType"
                      type="wfs:DCPTypeType" maxOccurs="unbounded"/>
      </xsd:sequence>
   </xsd:complexType>
   <xsd:complexType name="GetFeatureTypeType">
      <xsd:sequence>
         <xsd:element name="ResultFormat"
                      type="wfs:ResultFormatType"/>
         <xsd:element name="DCPType"
                      type="wfs:DCPTypeType" maxOccurs="unbounded"/>
      </xsd:sequence>
   </xsd:complexType>
   <xsd:complexType name="LockFeatureTypeType">
      <xsd:sequence>
         <xsd:element name="DCPType"
                      type="wfs:DCPTypeType" maxOccurs="unbounded"/>
      </xsd:sequence>
   </xsd:complexType>

   <!-- Available Distributed Computing Platforms (DCPs) are
        listed here.  At present, only HTTP is defined. -->
   <xsd:complexType name="DCPTypeType">
      <xsd:sequence>
         <xsd:element name="HTTP" type="wfs:HTTPType"/>
      </xsd:sequence>
   </xsd:complexType>

   <!-- A list of feature types available from
        this server.  The following table
        specifies the number and source of the
        various elements that are available for
        describing a feature type.
   
        element             number    comments
        =================   =======   ======================================
        Name                    1     this is the Name of the feature type
   
        Title                 0/1     an optional Meaningful title for the
                                      feature type  (e.g. "Ontario Roads"
                                      for ROADL_1M")

        Abstract              0/1     optional; no Default
   
        Keywords              0/1     optional; no Default
   
        SRS                     1     the SRS that should be used
                                      when specifying the state of
                                      the feature

        Operations            0/1     a list of available operations for
                                      the feature type
      
        LatLongBoundingBox      1+    bounding box(s) of data
      
        MetadataURL           0/1+    optional; no default
   -->
   <xsd:complexType name="FeatureTypeType">
      <xsd:sequence>
         <xsd:element name="Name" type="xsd:QName"/>
         <xsd:element ref="wfs:Title" minOccurs="0"/>
         <xsd:element ref="wfs:Abstract" minOccurs="0"/>
         <xsd:element ref="wfs:Keywords" minOccurs="0"/>
         <xsd:element ref="wfs:SRS"/>
         <xsd:element name="Operations"
                      type="wfs:OperationsType" minOccurs="0"/>
         <xsd:element name="LatLongBoundingBox"
                      type="wfs:LatLongBoundingBoxType"
                      minOccurs="0" maxOccurs="unbounded"/>
         <xsd:element name="MetadataURL"
                      type="wfs:MetadataURLType"
                      minOccurs="0" maxOccurs="unbounded"/>
      </xsd:sequence>
   </xsd:complexType>
   <xsd:complexType name="GetType">
      <xsd:attribute name="onlineResource" type="xsd:string" use="required"/>
   </xsd:complexType>

   <!-- Available HTTP request methods. -->
   <xsd:complexType name="HTTPType">
      <xsd:choice maxOccurs="unbounded">
         <!-- HTTP request methods.  The onlineResourc attribute
              indicates the URL prefix for HTTP GET requests
              (everything before the question mark and query string:
              http://hostname[:port]/path/scriptname); for HTTP POST
              requests, onlineResource is the complete URL. -->
         <xsd:element name="Get" type="wfs:GetType"/>
         <xsd:element name="Post" type="wfs:PostType"/>
      </xsd:choice>
   </xsd:complexType>

   <!-- The LatLongBoundingBox element is used to indicate the edges of 
        an enclosing rectangle in the SRS of the associated feature type.
        Its purpose is to facilitate geographic searches  by indicating
        where instances of the particular feature type exist.  Since multiple
        LatLongBoundingBoxes can be specified, a WFS can indicate where 
        various clusters of data may exist.  This knowledge aids client 
        applications by letting them know where they should query in order 
        to have a high probability of finding data. -->
   <xsd:complexType name="LatLongBoundingBoxType">
      <xsd:attribute name="minx" type="xsd:string" use="required"/>
      <xsd:attribute name="miny" type="xsd:string" use="required"/>
      <xsd:attribute name="maxx" type="xsd:string" use="required"/>
      <xsd:attribute name="maxy" type="xsd:string" use="required"/>
   </xsd:complexType>

   <!-- A Web Feature Server MAY use zero or more MetadataURL
        elements to offer detailed, standardized metadata about
        the data underneath a particular feature type.  The type
        attribute indicates the standard to which the metadata
        complies; the format attribute indicates how the metadata is
        structured.  Two types are defined at present:
        'TC211' = ISO TC211 19115; 
        'FGDC'  = FGDC CSDGM. -->
   <xsd:complexType name="MetadataURLType">
      <xsd:simpleContent>
         <xsd:extension base="xsd:string">
            <xsd:attribute name="type" use="required">
               <xsd:simpleType>
                  <xsd:restriction base="xsd:NMTOKEN">
                     <xsd:enumeration value="TC211"/>
                     <xsd:enumeration value="FGDC"/>
                  </xsd:restriction>
               </xsd:simpleType>
            </xsd:attribute>
            <xsd:attribute name="format" use="required">
               <xsd:simpleType>
                  <xsd:restriction base="xsd:NMTOKEN">
                     <xsd:enumeration value="XML"/>
                     <xsd:enumeration value="SGML"/>
                     <xsd:enumeration value="TXT"/>
                  </xsd:restriction>
               </xsd:simpleType>
            </xsd:attribute>
         </xsd:extension>
      </xsd:simpleContent>
   </xsd:complexType>
   <xsd:complexType name="OperationsType">
      <xsd:choice maxOccurs="unbounded">
         <xsd:element ref="wfs:Insert"/>
         <xsd:element ref="wfs:Update"/>
         <xsd:element ref="wfs:Delete"/>
         <xsd:element ref="wfs:Query"/>
         <xsd:element ref="wfs:Lock"/>
      </xsd:choice>
   </xsd:complexType>
   <xsd:complexType name="PostType">
      <xsd:attribute name="onlineResource" type="xsd:string" use="required"/>
   </xsd:complexType>

   <!-- The ResultFormatType type defines the output formats that the
        web feature server can generate.  The mandatory format "GML2"
        must always be available.  Individual servers can define
        additional elements representing other output formats. -->
   <xsd:element name="GML2" type="wfs:EmptyType"/>
   <xsd:complexType name="ResultFormatType">
      <xsd:sequence maxOccurs="unbounded">
         <xsd:element ref="wfs:GML2"/>
      </xsd:sequence>
   </xsd:complexType>

   <!-- The SchemaDescriptionLanguageType type defines the schema languages
        that a feature server is capable of using to describe the schema
        of a feature.  Individual servers can define additional elements
        representing other schema languages but XMLSCHEMA must always
        be defined. -->
   <xsd:element name="XMLSCHEMA" type="wfs:EmptyType"/>
   <xsd:complexType name="SchemaDescriptionLanguageType">
      <xsd:sequence maxOccurs="unbounded">
         <xsd:element ref="wfs:XMLSCHEMA"/>
      </xsd:sequence>
   </xsd:complexType>
   <xsd:complexType name="EmptyType" />
</xsd:schema>