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qgswmtsutils.h
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qgswmtsutils.h
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/***************************************************************************
qgswmtsutils.h
Define WMTS service utility functions
------------------------------------
begin : July 23 , 2017
copyright : (C) 2018 by René-Luc D'Hont
email : rldhont at 3liz dot com
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSWMTSUTILS_H
#define QGSWMTSUTILS_H
#include "qgsmodule.h"
#include "qgswmtsparameters.h"
#include "qgswmtsserviceexception.h"
#include <QDomDocument>
/**
* \ingroup server
* WMTS implementation
* \since QGIS 3.4
*/
//! WMTS implementation
namespace QgsWmts
{
struct tileMatrixInfo
{
QString ref;
QgsRectangle extent;
QgsUnitTypes::DistanceUnit unit = QgsUnitTypes::DistanceMeters;
bool hasAxisInverted = false;
double resolution = 0.0;
double scaleDenominator = 0.0;
int lastLevel = -1;
};
struct tileMatrixDef
{
double resolution = 0.0;
double scaleDenominator = 0.0;
int col = 0;
int row = 0;
double left = 0.0;
double top = 0.0;
};
struct tileMatrixSetDef
{
QString ref;
QgsRectangle extent;
QgsUnitTypes::DistanceUnit unit;
bool hasAxisInverted = false;
QList< tileMatrixDef > tileMatrixList;
};
struct tileMatrixLimitDef
{
int minCol;
int maxCol;
int minRow;
int maxRow;
};
struct tileMatrixSetLinkDef
{
QString ref;
QMap< int, tileMatrixLimitDef > tileMatrixLimits;
};
struct layerDef
{
QString id;
QString title;
QString abstract;
QgsRectangle wgs84BoundingRect;
QStringList formats;
bool queryable = false;
double maxScale = 0.0;
double minScale = 0.0;
};
/**
* Returns the highest version supported by this implementation
*/
QString implementationVersion();
/**
* Service URL string
*/
QString serviceUrl( const QgsServerRequest &request, const QgsProject *project );
// Define namespaces used in WMTS documents
const QString WMTS_NAMESPACE = QStringLiteral( "http://www.opengis.net/wmts/1.0" );
const QString GML_NAMESPACE = QStringLiteral( "http://www.opengis.net/gml" );
const QString OWS_NAMESPACE = QStringLiteral( "http://www.opengis.net/ows/1.1" );
tileMatrixInfo calculateTileMatrixInfo( const QString &crsStr, const QgsProject *project );
tileMatrixSetDef calculateTileMatrixSet( tileMatrixInfo tmi, double minScale );
double getProjectMinScale( const QgsProject *project );
QList< tileMatrixSetDef > getTileMatrixSetList( const QgsProject *project, const QString &tms_ref = QString() );
QList< layerDef > getWmtsLayerList( QgsServerInterface *serverIface, const QgsProject *project );
tileMatrixSetLinkDef getLayerTileMatrixSetLink( const layerDef layer, const tileMatrixSetDef tms, const QgsProject *project );
/**
* Translate WMTS parameters to WMS query item
*/
QUrlQuery translateWmtsParamToWmsQueryItem( const QString &request, const QgsWmtsParameters ¶ms,
const QgsProject *project, QgsServerInterface *serverIface );
} // namespace QgsWmts
#endif