| gvSIG desktop 1

<?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" xmlns:xlink="http://www.w3.org/1999/xlink" elementFormDefault="qualified" version="3.1.1">

	<annotation>

		<appinfo source="urn:opengis:specification:gml:schema-xsd:grids:3.1.1">grids.xsd</appinfo>

		<documentation xml:lang="en">Grid geometries

    A subset of implicit geometries

    Designed for use with GML Coverage schema, but maybe useful elsewhere as well.  

    Copyright (c) 2002-2005 OGC, All Rights Reserved.

	For conditions, see OGC Software Notice http://www.opengeospatial.org/about/?page=ipr</documentation>

	</annotation>

	<!-- ==============================================================

       includes and imports

	============================================================== -->

	<include schemaLocation="geometryBasic0d1d.xsd"/>

	<!-- ==============================================================

       global elements

	============================================================== -->

	<element name="_ImplicitGeometry" type="gml:AbstractGeometryType" abstract="true" substitutionGroup="gml:_Geometry"/>

	<!-- =========================================================== -->

	<element name="Grid" type="gml:GridType" substitutionGroup="gml:_ImplicitGeometry"/>

	<!-- =========================================================== -->

	<complexType name="GridType">

		<annotation>

			<documentation>An unrectified grid, which is a network composed of two or more sets of equally spaced parallel lines in which the members of each set intersect the members of the other sets at right angles.</documentation>

		</annotation>

		<complexContent>

			<extension base="gml:AbstractGeometryType">

				<sequence>

					<element name="limits" type="gml:GridLimitsType"/>

					<element name="axisName" type="string" maxOccurs="unbounded"/>

				</sequence>

				<attribute name="dimension" type="positiveInteger" use="required"/>

			</extension>

		</complexContent>

	</complexType>

	<!-- =========================================================== -->

	<complexType name="GridLimitsType">

		<sequence>

			<element name="GridEnvelope" type="gml:GridEnvelopeType"/>

		</sequence>

	</complexType>

	<!-- =========================================================== -->

	<complexType name="GridEnvelopeType">

		<annotation>

			<documentation>Provides grid coordinate values for the diametrically opposed corners of an envelope that bounds a section of grid. The value of a single coordinate is the number of offsets from the origin of the grid in the direction of a specific axis.</documentation>

		</annotation>

		<sequence>

			<element name="low" type="gml:integerList"/>

			<element name="high" type="gml:integerList"/>

		</sequence>

	</complexType>

	<!-- =========================================================== -->

	<element name="RectifiedGrid" type="gml:RectifiedGridType" substitutionGroup="gml:_ImplicitGeometry">

		<annotation>

			<documentation>Should be substitutionGroup="gml:Grid" but changed in order to accomplish Xerces-J schema validation</documentation>

		</annotation>

	</element>

	<!-- =========================================================== -->

	<complexType name="RectifiedGridType">

		<annotation>

			<documentation>A rectified grid has an origin and vectors that define its post locations.</documentation>

		</annotation>

		<complexContent>

			<extension base="gml:GridType">

				<sequence>

					<element name="origin" type="gml:PointPropertyType"/>

					<element name="offsetVector" type="gml:VectorType" maxOccurs="unbounded"/>

				</sequence>

			</extension>

		</complexContent>

	</complexType>

	<!-- =========================================================== -->

</schema>