<?xml version="1.0" encoding="UTF-8"?>

<schema xmlns="http://www.w3.org/2001/XMLSchema"
  xmlns:adlgml="tag:alexandria.ucsb.edu,2003:geometry"
  xmlns:gml="http://www.opengis.net/gml"
  targetNamespace="tag:alexandria.ucsb.edu,2003:geometry"
  elementFormDefault="qualified">

<import namespace="http://www.opengis.net/gml"
  schemaLocation="ADL-geometry.xsd"/>

<complexType name="DiskType">
  <complexContent>
    <extension base="gml:AbstractGeometryType">
      <sequence>
        <element ref="gml:coordinates"/>
        <element ref="gml:radius"/>
      </sequence>
    </extension>
  </complexContent>
</complexType>

<element name="Disk" type="adlgml:DiskType"
  substitutionGroup="gml:_Geometry"/>

<complexType name="FeatureType">
  <complexContent>
    <extension base="gml:AbstractFeatureType"/>
  </complexContent>
</complexType>

<element name="Feature" type="adlgml:FeatureType"/>
<element name="Footprint" type="adlgml:FeatureType"/>
<element name="QueryRegion" type="adlgml:FeatureType"/>

</schema>
