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    owsCommon.xsd
    This XML Schema Document encodes various parameters and
    parameter types that can be used in OWS operation requests and responses.
    
    OWS is an OGC Standard.
    Copyright (c) 2009 Open Geospatial Consortium.
    To obtain additional rights of use, visit http://www.opengeospatial.org/legal/
    
  
  
  
  

  
  
    
      XML encoded identifier of a standard MIME type, possibly
      a parameterized MIME type.
    
    
      
    
  
  
  
    
      Specification version for OWS operation. The string value
      shall contain one x.y.z "version" value (e.g., "2.1.3"). A version
      number shall contain three non-negative integers separated by decimal
      points, in the form "x.y.z". The integers y and z shall not exceed 99.
      Each version shall be for the Implementation Specification (document)
      and the associated XML Schemas to which requested operations will
      conform. An Implementation Specification version normally specifies XML
      Schemas against which an XML encoded operation response must conform and
      should be validated. See Version negotiation subclause for more
      information.
    
    
      
    
  
  
  
  
  
    
      This element either references or contains more metadata
      about the element that includes this element. To reference metadata
      stored remotely, at least the xlinks:href attribute in xlink:simpleAttrs
      shall be included. Either at least one of the attributes in
      xlink:simpleAttrs or a substitute for the AbstractMetaData element shall
      be included, but not both. An Implementation Specification can restrict
      the contents of this element to always be a reference or always contain
      metadata. (Informative: This element was adapted from the
      metaDataProperty element in GML 3.0.)
    
    
      
    
    
      
        Reference to metadata recorded elsewhere, either
        external to this XML document or within it. Whenever practical, the
        xlink:href attribute with type anyURI should include a URL from which
        this metadata can be electronically retrieved.
      
    
    
      
        Optional reference to the aspect of the element which
        includes this "metadata" element that this metadata provides more
        information about.
      
    
  
  
  
    
      Abstract element containing more metadata about the
      element that includes the containing "metadata" element. A specific
      server implementation, or an Implementation Specification, can define
      concrete elements in the AbstractMetaData substitution
      group.
    
  
  
  
  
  
  
    
      XML encoded minimum rectangular bounding box (or region)
      parameter, surrounding all the associated data.
      This type is adapted from the EnvelopeType of GML 3.1,
      with modified contents and documentation for encoding a MINIMUM size box
      SURROUNDING all associated data.
    
    
      
        
          Position of the bounding box corner at which the
          value of each coordinate normally is the algebraic minimum within
          this bounding box. In some cases, this position is normally
          displayed at the top, such as the top left for some image
          coordinates. For more information, see Subclauses 10.2.5 and
          C.13.
        
      
      
        
          Position of the bounding box corner at which the
          value of each coordinate normally is the algebraic maximum within
          this bounding box. In some cases, this position is normally
          displayed at the bottom, such as the bottom right for some image
          coordinates. For more information, see Subclauses 10.2.5 and
          C.13.
        
      
    
    
      
        Usually references the definition of a CRS, as
        specified in [OGC Topic 2]. Such a CRS definition can be XML encoded
        using the gml:CoordinateReferenceSystemType in [GML 3.1]. For well
        known references, it is not required that a CRS definition exist at
        the location the URI points to. If no anyURI value is included, the
        applicable CRS must be either: a) Specified outside the bounding box,
        but inside a data structure that includes this bounding box, as
        specified for a specific OWS use of this bounding box type. b) Fixed
        and specified in the Implementation Specification for a specific OWS
        use of the bounding box type.
      
    
    
      
        The number of dimensions in this CRS (the length of a
        coordinate sequence in this use of the PositionType). This number is
        specified by the CRS definition, but can also be specified
        here.
      
    
  
  
  
    
      Position instances hold the coordinates of a position in
      a coordinate reference system (CRS) referenced by the related "crs"
      attribute or elsewhere. For an angular coordinate axis that is
      physically continuous for multiple revolutions, but whose recorded
      values can be discontinuous, special conditions apply when the bounding
      box is continuous across the value discontinuity: a) If the bounding box
      is continuous clear around this angular axis, then ordinate values of
      minus and plus infinity shall be used. b) If the bounding box is
      continuous across the value discontinuity but is not continuous clear
      around this angular axis, then some non-normal value can be used if
      specified for a specific OWS use of the BoundingBoxType. For more
      information, see Subclauses 10.2.5 and C.13.
      This type is adapted from DirectPositionType and
      doubleList of GML 3.1. The adaptations include omission of all the
      attributes, since the needed information is included in the
      BoundingBoxType.
    
    
  
  
  
  
  
    
      XML encoded minimum rectangular bounding box (or region)
      parameter, surrounding all the associated data. This box is specialized
      for use with the 2D WGS 84 coordinate reference system with decimal
      values of longitude and latitude.
      This type is adapted from the general BoundingBoxType,
      with modified contents and documentation for use with the 2D WGS 84
      coordinate reference system.
    
    
      
        
          
            
              Position of the bounding box corner at which the
              values of longitude and latitude normally are the algebraic
              minimums within this bounding box. For more information, see
              Subclauses 10.4.5 and C.13.
            
          
          
            
              Position of the bounding box corner at which the
              values of longitude and latitude normally are the algebraic
              minimums within this bounding box. For more information, see
              Subclauses 10.4.5 and C.13.
            
          
        
        
          
            This attribute can be included when considered
            useful. When included, this attribute shall reference the 2D WGS
            84 coordinate reference system with longitude before latitude and
            decimal values of longitude and latitude.
          
        
        
          
            The number of dimensions in this CRS (the length of
            a coordinate sequence in this use of the PositionType). This
            number is specified by the CRS definition, but can also be
            specified here.
          
        
      
    
  
  
  
    
      Two-dimensional position instances hold the longitude and
      latitude coordinates of a position in the 2D WGS 84 coordinate reference
      system. The longitude value shall be listed first, followed by the
      latitude value, both in decimal degrees. Latitude values shall range
      from -90 to +90 degrees, and longitude values shall normally range from
      -180 to +180 degrees. For the longitude axis, special conditions apply
      when the bounding box is continuous across the +/- 180 degrees meridian
      longitude value discontinuity: a) If the bounding box is continuous
      clear around the Earth, then longitude values of minus and plus infinity
      shall be used. b) If the bounding box is continuous across the value
      discontinuity but is not continuous clear around the Earth, then some
      non-normal value can be used if specified for a specific OWS use of the
      WGS84BoundingBoxType. For more information, see Subclauses 10.4.5 and
      C.13.
    
    
      
    
  





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