531 lines
25 KiB
XML
531 lines
25 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!--
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/******************************************************************************
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* $Id$
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*
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* Project: GDAL/OGR
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* Purpose: XML Schema for OGR VRT files.
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* Author: Even Rouault, <even dot rouault at spatialys.com>
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*
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**********************************************************************
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* Copyright (c) 2012, Even Rouault
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*
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* SPDX-License-Identifier: MIT
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****************************************************************************/
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-->
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" version="1.0">
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<xs:element name="OGRVRTDataSource">
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<xs:complexType>
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<xs:sequence>
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<xs:choice minOccurs="0" maxOccurs="unbounded">
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<xs:element name="Metadata" type="MetadataType"/> <!-- may be repeated -->
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<xs:element name="OGRVRTLayer" type="OGRVRTLayerType"/>
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<xs:element name="OGRVRTWarpedLayer" type="OGRVRTWarpedLayerType"/>
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<xs:element name="OGRVRTUnionLayer" type="OGRVRTUnionLayerType"/>
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</xs:choice>
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</xs:sequence>
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</xs:complexType>
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</xs:element>
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<xs:complexType name="MetadataType">
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<xs:sequence>
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<!--<xs:choice>-->
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<!--<xs:element name="MDI" type="MDIType" minOccurs="0" maxOccurs="unbounded"/>-->
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<xs:any processContents="skip" minOccurs="0" maxOccurs="unbounded"/>
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<!--</xs:choice>-->
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</xs:sequence>
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<xs:attribute name="domain" type="xs:string"/>
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<xs:attribute name="format" type="xs:string"/>
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</xs:complexType>
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<xs:complexType name="OGRVRTLayerType">
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<xs:sequence>
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<xs:choice minOccurs="0" maxOccurs="unbounded">
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<xs:element name="Metadata" type="MetadataType"/> <!-- may be repeated -->
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<xs:element name="SrcDataSource" type="SrcDataSourceType">
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<xs:annotation>
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<xs:documentation>Required element</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="OpenOptions" type="OpenOptionsType">
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<xs:annotation>
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<xs:documentation>Optional element</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="SrcLayer" type="nonEmptyStringType">
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<xs:annotation>
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<xs:documentation>SrcLayer or(eclusive) SrcSQL are required elements</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="SrcSQL">
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<xs:complexType>
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<xs:simpleContent>
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<xs:extension base="nonEmptyStringType">
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<xs:attribute name="dialect" type="nonEmptyStringType"/>
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</xs:extension>
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</xs:simpleContent>
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</xs:complexType>
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</xs:element>
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<xs:element name="FID" type="FIDType"/>
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<xs:element name="Style" type="nonEmptyStringType"/>
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<xs:element name="GeometryType" type="GeometryTypeType">
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<xs:annotation>
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<xs:documentation>Use GeometryField.GeometryType for multi-geometry field support.</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="LayerSRS" type="nonEmptyStringType">
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<xs:annotation>
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<xs:documentation>Use GeometryField.SRS for multi-geometry field support.</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="Field" type="FieldType">
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<xs:annotation>
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<xs:documentation>May be repeated</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="GeometryField" type="GeometryFieldType">
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<xs:annotation>
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<xs:documentation>May be repeated</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="SrcRegion" type="SrcRegionType">
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<xs:annotation>
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<xs:documentation>Use GeometryField.SrcRegion for multi-geometry field support.</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="attrFilterPassThrough" type="OGRBooleanType">
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<xs:annotation>
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<xs:documentation>Default to FALSE.</xs:documentation>
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</xs:annotation>
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</xs:element>
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<xs:element name="FeatureCount" type="xs:integer"/>
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<xs:group ref="ExtentType">
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<xs:annotation>
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<xs:documentation>Use GeometryField.ExtentXMin, etc... for multi-geometry field support.</xs:documentation>
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</xs:annotation>
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</xs:group>
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</xs:choice>
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</xs:sequence>
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<xs:attribute name="name" type="nonEmptyStringType" use="required"/>
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</xs:complexType>
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<xs:complexType name="OpenOptionsType">
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<xs:sequence>
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<xs:element name="OOI" type="OOIType" minOccurs="0" maxOccurs="unbounded"/>
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</xs:sequence>
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</xs:complexType>
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<xs:complexType name="OOIType">
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<xs:simpleContent>
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<xs:extension base="nonEmptyStringType">
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<xs:attribute name="key" type="xs:string"/>
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</xs:extension>
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</xs:simpleContent>
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</xs:complexType>
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<xs:complexType name="FIDType">
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<xs:simpleContent>
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<xs:extension base="xs:string">
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<xs:attribute name="name" type="xs:string">
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<xs:annotation>
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<xs:documentation>User-facing name of the FID column.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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</xs:extension>
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</xs:simpleContent>
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</xs:complexType>
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<xs:group name="ExtentType">
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<xs:sequence>
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<xs:element name="ExtentXMin" type="xs:double" minOccurs="1" maxOccurs="1"/>
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<xs:element name="ExtentYMin" type="xs:double" minOccurs="1" maxOccurs="1"/>
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<xs:element name="ExtentXMax" type="xs:double" minOccurs="1" maxOccurs="1"/>
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<xs:element name="ExtentYMax" type="xs:double" minOccurs="1" maxOccurs="1"/>
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</xs:sequence>
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</xs:group>
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<xs:complexType name="SrcDataSourceType">
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<xs:simpleContent>
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<xs:extension base="nonEmptyStringType">
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<xs:attribute name="relativeToVRT" type="OGRBooleanType" default="FALSE">
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<xs:annotation>
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<xs:documentation>Default to FALSE.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<!-- alternate case -->
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<xs:attribute name="relativetoVRT" type="OGRBooleanType" default="FALSE">
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<xs:annotation>
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<xs:documentation>Default to FALSE.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="shared" type="OGRBooleanType"/>
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</xs:extension>
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</xs:simpleContent>
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</xs:complexType>
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<xs:simpleType name="nonEmptyStringType">
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<xs:restriction base="xs:string">
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<xs:minLength value="1"/>
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</xs:restriction>
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</xs:simpleType>
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<xs:simpleType name="GeometryTypeType">
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<xs:restriction base="xs:string">
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<xs:enumeration value="wkbNone"/>
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<xs:enumeration value="wkbUnknown"/>
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<xs:enumeration value="wkbPoint"/>
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<xs:enumeration value="wkbLineString"/>
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<xs:enumeration value="wkbPolygon"/>
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<xs:enumeration value="wkbMultiPoint"/>
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<xs:enumeration value="wkbMultiLineString"/>
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<xs:enumeration value="wkbMultiPolygon"/>
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<xs:enumeration value="wkbGeometryCollection"/>
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<xs:enumeration value="wkbCircularString"/> <!-- new in GDAL 2.0 -->
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<xs:enumeration value="wkbCompoundCurve"/> <!-- new in GDAL 2.0 -->
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<xs:enumeration value="wkbCurvePolygon"/> <!-- new in GDAL 2.0 -->
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<xs:enumeration value="wkbMultiCurve"/> <!-- new in GDAL 2.0 -->
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<xs:enumeration value="wkbMultiSurface"/> <!-- new in GDAL 2.0 -->
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<xs:enumeration value="wkbCurve"/> <!-- new in GDAL 2.1 -->
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<xs:enumeration value="wkbSurface"/> <!-- new in GDAL 2.1 -->
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<xs:enumeration value="wkbUnknown25D"/>
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<xs:enumeration value="wkbPoint25D"/>
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<xs:enumeration value="wkbLineString25D"/>
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<xs:enumeration value="wkbPolygon25D"/>
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<xs:enumeration value="wkbMultiPoint25D"/>
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<xs:enumeration value="wkbMultiLineString25D"/>
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<xs:enumeration value="wkbMultiPolygon25D"/>
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<xs:enumeration value="wkbGeometryCollection25D"/>
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<xs:enumeration value="wkbCircularStringZ"/> <!-- new in GDAL 2.0 -->
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<xs:enumeration value="wkbCompoundCurveZ"/> <!-- new in GDAL 2.0 -->
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<xs:enumeration value="wkbCurvePolygonZ"/> <!-- new in GDAL 2.0 -->
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<xs:enumeration value="wkbMultiCurveZ"/> <!-- new in GDAL 2.0 -->
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<xs:enumeration value="wkbMultiSurfaceZ"/> <!-- new in GDAL 2.0 -->
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<xs:enumeration value="wkbCurveZ"/> <!-- new in GDAL 2.1 -->
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<xs:enumeration value="wkbSurfaceZ"/> <!-- new in GDAL 2.1 -->
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<!-- below is new in GDAL 2.1 -->
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<xs:enumeration value="wkbPointM"/>
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<xs:enumeration value="wkbLineStringM"/>
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<xs:enumeration value="wkbPolygonM"/>
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<xs:enumeration value="wkbMultiPointM"/>
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<xs:enumeration value="wkbMultiLineStringM"/>
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<xs:enumeration value="wkbMultiPolygonM"/>
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<xs:enumeration value="wkbGeometryCollectionM"/>
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<xs:enumeration value="wkbCircularStringM"/>
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<xs:enumeration value="wkbCompoundCurveM"/>
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<xs:enumeration value="wkbCurvePolygonM"/>
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<xs:enumeration value="wkbMultiCurveM"/>
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<xs:enumeration value="wkbMultiSurfaceM"/>
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<xs:enumeration value="wkbCurveM"/>
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<xs:enumeration value="wkbSurfaceM"/>
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<xs:enumeration value="wkbPointZM"/>
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<xs:enumeration value="wkbLineStringZM"/>
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<xs:enumeration value="wkbPolygonZM"/>
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<xs:enumeration value="wkbMultiPointZM"/>
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<xs:enumeration value="wkbMultiLineStringZM"/>
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<xs:enumeration value="wkbMultiPolygonZM"/>
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<xs:enumeration value="wkbGeometryCollectionZM"/>
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<xs:enumeration value="wkbCircularStringZM"/>
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<xs:enumeration value="wkbCompoundCurveZM"/>
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<xs:enumeration value="wkbCurvePolygonZM"/>
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<xs:enumeration value="wkbMultiCurveZM"/>
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<xs:enumeration value="wkbMultiSurfaceZM"/>
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<xs:enumeration value="wkbCurveZM"/>
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<xs:enumeration value="wkbSurfaceZM"/>
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<!-- below is new in GDAL 2.2 -->
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<xs:enumeration value="wkbPolyhedralSurface"/>
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<xs:enumeration value="wkbTIN"/>
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<xs:enumeration value="wkbTriangle"/>
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<xs:enumeration value="wkbPolyhedralSurfaceZ"/>
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<xs:enumeration value="wkbTINZ"/>
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<xs:enumeration value="wkbTriangleZ"/>
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<xs:enumeration value="wkbPolyhedralSurfaceM"/>
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<xs:enumeration value="wkbTINM"/>
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<xs:enumeration value="wkbTriangleM"/>
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<xs:enumeration value="wkbPolyhedralSurfaceZM"/>
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<xs:enumeration value="wkbTINZM"/>
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<xs:enumeration value="wkbTriangleZM"/>
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</xs:restriction>
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</xs:simpleType>
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<xs:complexType name="FieldTypeWithoutSrc">
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<xs:attribute name="name" type="nonEmptyStringType" use="required"/>
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<xs:attribute name="type" type="OGRFieldTypeType" default="String"/>
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<xs:attribute name="subtype" type="OGRFieldSubTypeType" default="None"/> <!-- new in GDAL 2.0 -->
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<xs:attribute name="width" type="xs:nonNegativeInteger"/>
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<xs:attribute name="precision" type="xs:nonNegativeInteger"/>
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<xs:attribute name="nullable" type="OGRBooleanType" default="true"/> <!-- new in GDAL 2.0 -->
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<xs:attribute name="default" type="xs:string"/> <!-- new in GDAL 2.0 -->
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<xs:attribute name="unique" type="OGRBooleanType" default="false"/> <!-- new in GDAL 3.2 -->
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<xs:attribute name="alternativeName" type="xs:string"/> <!-- new in GDAL 3.7 -->
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<xs:attribute name="comment" type="xs:string"/> <!-- new in GDAL 3.7 -->
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</xs:complexType>
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<xs:complexType name="FieldType">
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<xs:complexContent>
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<xs:extension base="FieldTypeWithoutSrc">
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<xs:attribute name="src" type="nonEmptyStringType">
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<xs:annotation>
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<xs:documentation>Defaults to the value of "name" if not specified.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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</xs:extension>
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</xs:complexContent>
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</xs:complexType>
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<xs:simpleType name="OGRFieldTypeType">
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<xs:restriction base="xs:string">
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<xs:enumeration value="Integer"/>
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<xs:enumeration value="integer"/>
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<xs:enumeration value="Integer64"/>
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<xs:enumeration value="integer64"/>
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<xs:enumeration value="Real"/>
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<xs:enumeration value="real"/>
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<xs:enumeration value="String"/>
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<xs:enumeration value="string"/>
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<xs:enumeration value="IntegerList"/>
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<xs:enumeration value="integerlist"/>
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<xs:enumeration value="Integer64List"/>
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<xs:enumeration value="integer64list"/>
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<xs:enumeration value="RealList"/>
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<xs:enumeration value="reallist"/>
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<xs:enumeration value="StringList"/>
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<xs:enumeration value="stringlist"/>
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<xs:enumeration value="Binary"/>
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<xs:enumeration value="binary"/>
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<xs:enumeration value="Date"/>
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<xs:enumeration value="date"/>
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<xs:enumeration value="Time"/>
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<xs:enumeration value="time"/>
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<xs:enumeration value="DateTime"/>
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<xs:enumeration value="datetime"/>
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</xs:restriction>
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</xs:simpleType>
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<xs:simpleType name="OGRFieldSubTypeType">
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<xs:restriction base="xs:string">
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<xs:enumeration value="None"/>
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<xs:enumeration value="Boolean"/>
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<xs:enumeration value="Int16"/>
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<xs:enumeration value="Float32"/>
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</xs:restriction>
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</xs:simpleType>
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<xs:simpleType name="EncodingType">
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<xs:restriction base="xs:string">
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<xs:enumeration value="Direct"/>
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<xs:enumeration value="None"/>
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<xs:enumeration value="WKT"/>
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<xs:enumeration value="WKB"/>
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<xs:enumeration value="Shape"/>
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<xs:enumeration value="shape"/>
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<xs:enumeration value="PointFromColumns"/>
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</xs:restriction>
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</xs:simpleType>
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<xs:attributeGroup name="GeometryFieldTypeAttrGroupWithoutSrc">
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<xs:attribute name="encoding" type="EncodingType">
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<xs:annotation>
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<xs:documentation>Defaults to Direct.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="name" type="xs:string">
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<xs:annotation>
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<xs:documentation>Name of the geometry field</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="x" type="nonEmptyStringType">
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<xs:annotation>
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<xs:documentation>Only used if encoding = "PointFromColumns"</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="y" type="nonEmptyStringType">
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<xs:annotation>
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<xs:documentation>Only used if encoding = "PointFromColumns"</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="z" type="nonEmptyStringType">
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<xs:annotation>
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<xs:documentation>Only used if encoding = "PointFromColumns"</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="m" type="nonEmptyStringType">
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<xs:annotation>
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<xs:documentation>Only used if encoding = "PointFromColumns"</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="useSpatialSubquery" type="OGRBooleanType">
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<xs:annotation>
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<xs:documentation>Only used if encoding = "PointFromColumns". Defaults to TRUE.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="reportSrcColumn" type="OGRBooleanType">
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<xs:annotation>
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<xs:documentation>Only used if no Field element is found at the OGRVRTLayer level</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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<xs:attribute name="nullable" type="OGRBooleanType" default="true"/> <!-- new in GDAL 2.0 -->
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</xs:attributeGroup>
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<xs:complexType name="GeometryFieldTypeWithoutSrc">
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<xs:sequence>
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<xs:choice minOccurs="0" maxOccurs="unbounded">
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<xs:element name="GeometryType" type="GeometryTypeType"/>
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<xs:element name="SrcRegion" type="SrcRegionType"/>
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<xs:element name="SRS" type="nonEmptyStringType"/>
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<xs:group ref="ExtentType"/>
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<xs:element name="XYResolution" type="xs:double" minOccurs="0" maxOccurs="1"/>
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<xs:element name="ZResolution" type="xs:double" minOccurs="0" maxOccurs="1"/>
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<xs:element name="MResolution" type="xs:double" minOccurs="0" maxOccurs="1"/>
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</xs:choice>
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</xs:sequence>
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<xs:attributeGroup ref="GeometryFieldTypeAttrGroupWithoutSrc"/>
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</xs:complexType>
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|
|
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<xs:complexType name="GeometryFieldType">
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<xs:complexContent>
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|
<xs:extension base="GeometryFieldTypeWithoutSrc">
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|
<xs:attribute name="field" type="nonEmptyStringType">
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|
<xs:annotation>
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|
<xs:documentation>Used if encoding = "WKT", "WKB" or "Shape" to find
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the attribute field of the source layer.
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|
Used also in multiple geometry fields scenario to retrieve the
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source geometry field matching the target VRT geometry field.</xs:documentation>
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</xs:annotation>
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</xs:attribute>
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</xs:extension>
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</xs:complexContent>
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|
</xs:complexType>
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<xs:complexType name="SrcRegionType">
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<xs:simpleContent>
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<xs:extension base="PolygonWKTType">
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|
<xs:attribute name="clip" type="OGRBooleanType">
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<xs:annotation>
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|
<xs:documentation>Defaults to FALSE.</xs:documentation>
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</xs:annotation>
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|
</xs:attribute>
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</xs:extension>
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</xs:simpleContent>
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</xs:complexType>
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<xs:simpleType name="PolygonWKTType">
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<xs:annotation>
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|
<xs:documentation>A valid WKT for a POLYGON</xs:documentation>
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</xs:annotation>
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|
<xs:restriction base="xs:string">
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<xs:pattern value="POLYGON.*"/>
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</xs:restriction>
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|
</xs:simpleType>
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|
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<xs:simpleType name="OGRBooleanType">
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<xs:restriction base="xs:string">
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|
<xs:enumeration value="1"/>
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|
<xs:enumeration value="0"/>
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|
<xs:enumeration value="ON"/>
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|
<xs:enumeration value="OFF"/>
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|
<xs:enumeration value="on"/>
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|
<xs:enumeration value="off"/>
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|
<xs:enumeration value="YES"/>
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|
<xs:enumeration value="NO"/>
|
|
<xs:enumeration value="yes"/>
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|
<xs:enumeration value="no"/>
|
|
<xs:enumeration value="TRUE"/>
|
|
<xs:enumeration value="FALSE"/>
|
|
<xs:enumeration value="true"/>
|
|
<xs:enumeration value="false"/>
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</xs:restriction>
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</xs:simpleType>
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<xs:complexType name="OGRVRTWarpedLayerType">
|
|
<xs:sequence>
|
|
<xs:choice minOccurs="1" maxOccurs="1">
|
|
<xs:element name="OGRVRTLayer" type="OGRVRTLayerType"/>
|
|
<xs:element name="OGRVRTWarpedLayer" type="OGRVRTWarpedLayerType"/>
|
|
<xs:element name="OGRVRTUnionLayer" type="OGRVRTUnionLayerType"/>
|
|
</xs:choice>
|
|
<xs:element name="WarpedGeomFieldName" type="nonEmptyStringType" minOccurs="0" maxOccurs="1"/>
|
|
<xs:element name="SrcSRS" type="nonEmptyStringType" minOccurs="0" maxOccurs="1"/>
|
|
<xs:element name="TargetSRS" type="nonEmptyStringType" minOccurs="1" maxOccurs="1"/>
|
|
<xs:group ref="ExtentType" minOccurs="0" maxOccurs="1"/>
|
|
</xs:sequence>
|
|
</xs:complexType>
|
|
|
|
<xs:complexType name="OGRVRTUnionLayerType">
|
|
<xs:sequence>
|
|
<xs:choice minOccurs="0" maxOccurs="unbounded">
|
|
<xs:element name="OGRVRTLayer" type="OGRVRTLayerType">
|
|
<xs:annotation>
|
|
<xs:documentation>May be repeated</xs:documentation>
|
|
</xs:annotation>
|
|
</xs:element>
|
|
<xs:element name="OGRVRTWarpedLayer" type="OGRVRTWarpedLayerType">
|
|
<xs:annotation>
|
|
<xs:documentation>May be repeated</xs:documentation>
|
|
</xs:annotation>
|
|
</xs:element>
|
|
<xs:element name="OGRVRTUnionLayer" type="OGRVRTUnionLayerType">
|
|
<xs:annotation>
|
|
<xs:documentation>May be repeated</xs:documentation>
|
|
</xs:annotation>
|
|
</xs:element>
|
|
|
|
<xs:element name="GeometryType" type="GeometryTypeType">
|
|
<xs:annotation>
|
|
<xs:documentation>Use GeometryField.GeometryType for multi-geometry field support.</xs:documentation>
|
|
</xs:annotation>
|
|
</xs:element>
|
|
<xs:element name="LayerSRS" type="nonEmptyStringType">
|
|
<xs:annotation>
|
|
<xs:documentation>Use GeometryField.SRS for multi-geometry field support.</xs:documentation>
|
|
</xs:annotation>
|
|
</xs:element>
|
|
<xs:element name="FieldStrategy" type="FieldStrategyType">
|
|
<xs:annotation>
|
|
<xs:documentation>Defaults to Union if no Field or GeometryField element is specified.</xs:documentation>
|
|
</xs:annotation>
|
|
</xs:element>
|
|
<xs:element name="Field" type="FieldTypeWithoutSrc">
|
|
<xs:annotation>
|
|
<xs:documentation>May be repeated</xs:documentation>
|
|
</xs:annotation>
|
|
</xs:element>
|
|
<xs:element name="GeometryField" type="GeometryFieldTypeWithoutSrc">
|
|
<xs:annotation>
|
|
<xs:documentation>May be repeated</xs:documentation>
|
|
</xs:annotation>
|
|
</xs:element>
|
|
<xs:element name="PreserveSrcFID" type="OGRBooleanType">
|
|
<xs:annotation>
|
|
<xs:documentation>Defaults to FALSE.</xs:documentation>
|
|
</xs:annotation>
|
|
</xs:element>
|
|
<xs:element name="SourceLayerFieldName" type="nonEmptyStringType">
|
|
<xs:annotation>
|
|
<xs:documentation>Name of fields in which to place the name of the source layer of each feature.</xs:documentation>
|
|
</xs:annotation>
|
|
</xs:element>
|
|
<xs:element name="FeatureCount" type="xs:integer"/>
|
|
<xs:group ref="ExtentType">
|
|
<xs:annotation>
|
|
<xs:documentation>Use GeometryField.ExtentXMin, etc. for multi-geometry field support.</xs:documentation>
|
|
</xs:annotation>
|
|
</xs:group>
|
|
</xs:choice>
|
|
</xs:sequence>
|
|
<xs:attribute name="name" type="nonEmptyStringType" use="required"/>
|
|
</xs:complexType>
|
|
|
|
<xs:simpleType name="FieldStrategyType">
|
|
<xs:restriction base="xs:string">
|
|
<xs:enumeration value="FirstLayer"/>
|
|
<xs:enumeration value="Union"/>
|
|
<xs:enumeration value="Intersection"/>
|
|
</xs:restriction>
|
|
</xs:simpleType>
|
|
|
|
</xs:schema>
|