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//
// This file is part of the Marble Virtual Globe.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2010,2011 Bernhard Beschow <bbeschow@cs.tu-berlin.de>
//
// Own
#include "ServerLayout.h"
#include "GeoSceneTexture.h"
#include "global.h"
#include "TileId.h"
#include <math.h>
namespace Marble
{
ServerLayout::ServerLayout( GeoSceneTexture *textureLayer )
: m_textureLayer( textureLayer )
{
}
ServerLayout::~ServerLayout()
{
}
qint64 ServerLayout::numTilesX( const Marble::TileId& tileId ) const
{
return ( 1 << tileId.zoomLevel() ) * m_textureLayer->levelZeroColumns();
}
qint64 ServerLayout::numTilesY( const Marble::TileId& tileId ) const
{
return ( 1 << tileId.zoomLevel() ) * m_textureLayer->levelZeroRows();
}
MarbleServerLayout::MarbleServerLayout( GeoSceneTexture *textureLayer )
: ServerLayout( textureLayer )
{
}
QUrl MarbleServerLayout::downloadUrl( const QUrl &prototypeUrl, const TileId &id ) const
{
QUrl url = prototypeUrl;
url.setPath( url.path() + m_textureLayer->relativeTileFileName( id ) );
return url;
}
QString MarbleServerLayout::name() const
{
return "Marble";
}
OsmServerLayout::OsmServerLayout( GeoSceneTexture *textureLayer )
: ServerLayout( textureLayer )
{
}
QUrl OsmServerLayout::downloadUrl( const QUrl &prototypeUrl, const TileId &id ) const
{
const QString suffix = m_textureLayer->fileFormat().toLower();
const QString path = QString( "%1/%2/%3.%4" ).arg( id.zoomLevel() )
.arg( id.x() )
.arg( id.y() )
.arg( suffix );
QUrl url = prototypeUrl;
url.setPath( url.path() + path );
return url;
}
QString OsmServerLayout::name() const
{
return "OpenStreetMap";
}
CustomServerLayout::CustomServerLayout( GeoSceneTexture *texture )
: ServerLayout( texture )
{
}
QUrl CustomServerLayout::downloadUrl( const QUrl &prototypeUrl, const TileId &id ) const
{
QString urlStr = prototypeUrl.toString();
urlStr.replace( "{zoomLevel}", QString::number( id.zoomLevel() ) );
urlStr.replace( "{x}", QString::number( id.x() ) );
urlStr.replace( "{y}", QString::number( id.y() ) );
return QUrl( urlStr );
}
QString CustomServerLayout::name() const
{
return "Custom";
}
WmsServerLayout::WmsServerLayout( GeoSceneTexture *texture )
: ServerLayout( texture )
{
}
QUrl WmsServerLayout::downloadUrl( const QUrl &prototypeUrl, const Marble::TileId &tileId ) const
{
const qreal radius = numTilesX( tileId ) / 2.0;
const qint64 x = tileId.x();
const qreal lonLeft = ( x - radius ) / radius * 180.0;
const qreal lonRight = ( x - radius + 1 ) / radius * 180.0;
QUrl url = prototypeUrl;
url.addQueryItem( "service", "WMS" );
url.addQueryItem( "request", "GetMap" );
url.addQueryItem( "version", "1.1.1" );
if ( !url.hasQueryItem( "styles" ) )
url.addQueryItem( "styles", "" );
if ( !url.hasQueryItem( "format" ) ) {
if ( m_textureLayer->fileFormat().toLower() == "jpg" )
url.addQueryItem( "format", "image/jpeg" );
else
url.addQueryItem( "format", "image/" + m_textureLayer->fileFormat().toLower() );
}
if ( !url.hasQueryItem( "srs" ) ) {
url.addQueryItem( "srs", epsgCode() );
}
if ( !url.hasQueryItem( "layers" ) )
url.addQueryItem( "layers", m_textureLayer->name() );
url.addQueryItem( "width", QString::number( m_textureLayer->tileSize().width() ) );
url.addQueryItem( "height", QString::number( m_textureLayer->tileSize().height() ) );
url.addQueryItem( "bbox", QString( "%1,%2,%3,%4" ).arg( QString::number( lonLeft, 'f', 12 ) )
.arg( QString::number( latBottom( tileId ), 'f', 12 ) )
.arg( QString::number( lonRight, 'f', 12 ) )
.arg( QString::number( latTop( tileId ), 'f', 12 ) ) );
return url;
}
QString WmsServerLayout::name() const
{
return "WebMapService";
}
qreal WmsServerLayout::latBottom( const Marble::TileId &tileId ) const
{
const qreal radius = numTilesY( tileId ) / 2.0;
switch( m_textureLayer->projection() )
{
case GeoSceneTexture::Equirectangular:
return ( radius - tileId.y() - 1 ) / radius * 90.0;
case GeoSceneTexture::Mercator:
return atan( sinh( ( radius - tileId.y() - 1 ) / radius * M_PI ) ) * 180.0 / M_PI;
}
Q_ASSERT( false ); // not reached
return 0.0;
}
qreal WmsServerLayout::latTop( const Marble::TileId &tileId ) const
{
const qreal radius = numTilesY( tileId ) / 2.0;
switch( m_textureLayer->projection() )
{
case GeoSceneTexture::Equirectangular:
return ( radius - tileId.y() ) / radius * 90.0;
case GeoSceneTexture::Mercator:
return atan( sinh( ( radius - tileId.y() ) / radius * M_PI ) ) * 180.0 / M_PI;
}
Q_ASSERT( false ); // not reached
return 0.0;
}
QString WmsServerLayout::epsgCode() const
{
switch ( m_textureLayer->projection() ) {
case GeoSceneTexture::Equirectangular:
return "EPSG:4326";
case GeoSceneTexture::Mercator:
return "EPSG:3785";
}
Q_ASSERT( false ); // not reached
return QString();
}
QuadTreeServerLayout::QuadTreeServerLayout( GeoSceneTexture *textureLayer )
: ServerLayout( textureLayer )
{
}
QUrl QuadTreeServerLayout::downloadUrl( const QUrl &prototypeUrl, const Marble::TileId &id ) const
{
QString urlStr = prototypeUrl.toString();
urlStr.replace( "{quadIndex}", encodeQuadTree( id ) );
return QUrl( urlStr );
}
QString QuadTreeServerLayout::name() const
{
return "QuadTree";
}
QString QuadTreeServerLayout::encodeQuadTree( const Marble::TileId &id )
{
QString tileNum;
for ( int i = id.zoomLevel(); i >= 0; i-- ) {
const int tileX = (id.x() >> i) % 2;
const int tileY = (id.y() >> i) % 2;
const int num = ( 2 * tileY ) + tileX;
tileNum += QString::number( num );
}
return tileNum;
}
}
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