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[Server][Feature][needs-docs] Enhancing TileMatrixSetLimits
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@rldhont
rldhont committed Aug 24, 2018
1 parent 355a387 commit ba24653
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Showing 4 changed files with 499 additions and 887 deletions.
208 changes: 10 additions & 198 deletions src/server/services/wmts/qgswmtsgetcapabilities.cpp
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Expand Up @@ -32,8 +32,6 @@ namespace QgsWmts
{
namespace
{
QList< layerDef > getWmtsLayerList( QgsServerInterface *serverIface, const QgsProject *project );

void appendLayerElements( QDomDocument &doc, QDomElement &contentsElement,
QList< layerDef > wmtsLayers, QList< tileMatrixSetDef > tmsList,
const QgsProject *project );
Expand Down Expand Up @@ -322,182 +320,6 @@ namespace QgsWmts
}
namespace
{
QList< layerDef > getWmtsLayerList( QgsServerInterface *serverIface, const QgsProject *project )
{
QList< layerDef > wmtsLayers;
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsAccessControl *accessControl = serverIface->accessControls();
#endif
QgsCoordinateReferenceSystem wgs84 = QgsCoordinateReferenceSystem::fromOgcWmsCrs( GEO_EPSG_CRS_AUTHID );

QStringList nonIdentifiableLayers = project->nonIdentifiableLayers();

// WMTS Project configuration
bool wmtsProject = project->readBoolEntry( QStringLiteral( "WMTSLayers" ), QStringLiteral( "Project" ) );

// Root Layer name
QString rootLayerName = QgsServerProjectUtils::wmsRootName( *project );
if ( rootLayerName.isEmpty() && !project->title().isEmpty() )
{
rootLayerName = project->title();
}

if ( wmtsProject && !rootLayerName.isEmpty() )
{
layerDef pLayer;
pLayer.id = rootLayerName;

if ( !project->title().isEmpty() )
{
pLayer.title = project->title();
pLayer.abstract = project->title();
}

//transform the project native CRS into WGS84
QgsRectangle projRect = QgsServerProjectUtils::wmsExtent( *project );
QgsCoordinateReferenceSystem projCrs = project->crs();
QgsCoordinateTransform exGeoTransform( projCrs, wgs84, project );
try
{
pLayer.wgs84BoundingRect = exGeoTransform.transformBoundingBox( projRect );
}
catch ( const QgsCsException & )
{
pLayer.wgs84BoundingRect = QgsRectangle( -180, -90, 180, 90 );
}

// Formats
bool wmtsPngProject = project->readBoolEntry( QStringLiteral( "WMTSPngLayers" ), QStringLiteral( "Project" ) );
if ( wmtsPngProject )
pLayer.formats << QStringLiteral( "image/png" );
bool wmtsJpegProject = project->readBoolEntry( QStringLiteral( "WMTSJpegLayers" ), QStringLiteral( "Project" ) );
if ( wmtsJpegProject )
pLayer.formats << QStringLiteral( "image/jpeg" );

// Project is not queryable in WMS
//pLayer.queryable = ( nonIdentifiableLayers.count() != project->count() );
pLayer.queryable = false;

wmtsLayers.append( pLayer );
}

QStringList wmtsGroupNameList = project->readListEntry( QStringLiteral( "WMTSLayers" ), QStringLiteral( "Group" ) );
if ( !wmtsGroupNameList.isEmpty() )
{
QgsLayerTreeGroup *treeRoot = project->layerTreeRoot();

QStringList wmtsPngGroupNameList = project->readListEntry( QStringLiteral( "WMTSPngLayers" ), QStringLiteral( "Group" ) );
QStringList wmtsJpegGroupNameList = project->readListEntry( QStringLiteral( "WMTSJpegLayers" ), QStringLiteral( "Group" ) );

for ( const QString gName : wmtsGroupNameList )
{
QgsLayerTreeGroup *treeGroup = treeRoot->findGroup( gName );
if ( !treeGroup )
{
continue;
}

layerDef pLayer;
pLayer.id = treeGroup->customProperty( QStringLiteral( "wmsShortName" ) ).toString();
if ( pLayer.id.isEmpty() )
pLayer.id = gName;

pLayer.title = treeGroup->customProperty( QStringLiteral( "wmsTitle" ) ).toString();
if ( pLayer.title.isEmpty() )
pLayer.title = gName;

pLayer.abstract = treeGroup->customProperty( QStringLiteral( "wmsAbstract" ) ).toString();

QgsRectangle wgs84BoundingRect;
bool queryable = false;
for ( QgsLayerTreeLayer *layer : treeGroup->findLayers() )
{
QgsMapLayer *l = layer->layer();
if ( !l )
{
continue;
}
//transform the layer native CRS into WGS84
QgsCoordinateReferenceSystem layerCrs = l->crs();
QgsCoordinateTransform exGeoTransform( layerCrs, wgs84, project );
try
{
wgs84BoundingRect.combineExtentWith( exGeoTransform.transformBoundingBox( l->extent() ) );
}
catch ( const QgsCsException & )
{
wgs84BoundingRect.combineExtentWith( QgsRectangle( -180, -90, 180, 90 ) );
}
if ( !queryable && !nonIdentifiableLayers.contains( l->id() ) )
{
queryable = true;
}
}
pLayer.wgs84BoundingRect = wgs84BoundingRect;
pLayer.queryable = queryable;

// Formats
if ( wmtsPngGroupNameList.contains( gName ) )
pLayer.formats << QStringLiteral( "image/png" );
if ( wmtsJpegGroupNameList.contains( gName ) )
pLayer.formats << QStringLiteral( "image/jpeg" );

wmtsLayers.append( pLayer );
}
}

QStringList wmtsLayerIdList = project->readListEntry( QStringLiteral( "WMTSLayers" ), QStringLiteral( "Layer" ) );
QStringList wmtsPngLayerIdList = project->readListEntry( QStringLiteral( "WMTSPngLayers" ), QStringLiteral( "Layer" ) );
QStringList wmtsJpegLayerIdList = project->readListEntry( QStringLiteral( "WMTSJpegLayers" ), QStringLiteral( "Layer" ) );

for ( const QString lId : wmtsLayerIdList )
{
QgsMapLayer *l = project->mapLayer( lId );
if ( !l )
{
continue;
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
if ( !accessControl->layerReadPermission( l ) )
{
continue;
}
#endif

layerDef pLayer;
pLayer.id = l->name();
if ( !l->shortName().isEmpty() )
pLayer.id = l->shortName();
pLayer.id = pLayer.id.replace( ' ', '_' );

pLayer.title = l->title();
pLayer.abstract = l->abstract();

//transform the layer native CRS into WGS84
QgsCoordinateReferenceSystem layerCrs = l->crs();
QgsCoordinateTransform exGeoTransform( layerCrs, wgs84, project );
try
{
pLayer.wgs84BoundingRect = exGeoTransform.transformBoundingBox( l->extent() );
}
catch ( const QgsCsException & )
{
pLayer.wgs84BoundingRect = QgsRectangle( -180, -90, 180, 90 );
}

// Formats
if ( wmtsPngLayerIdList.contains( lId ) )
pLayer.formats << QStringLiteral( "image/png" );
if ( wmtsJpegLayerIdList.contains( lId ) )
pLayer.formats << QStringLiteral( "image/jpeg" );

pLayer.queryable = ( !nonIdentifiableLayers.contains( l->id() ) );

wmtsLayers.append( pLayer );
}
return wmtsLayers;
}

void appendLayerElements( QDomDocument &doc, QDomElement &contentsElement,
QList< layerDef > wmtsLayers, QList< tileMatrixSetDef > tmsList,
const QgsProject *project )
Expand Down Expand Up @@ -616,19 +438,10 @@ namespace QgsWmts

for ( const tileMatrixSetDef tms : tmsList )
{
if ( tms.ref != QLatin1String( "EPSG:4326" ) )
tileMatrixSetLinkDef tmsl = getLayerTileMatrixSetLink( wmtsLayer, tms, project );
if ( tmsl.ref.isEmpty() || tmsl.ref != tms.ref )
{
QgsRectangle rect;
QgsCoordinateReferenceSystem crs = QgsCoordinateReferenceSystem::fromOgcWmsCrs( tms.ref );
QgsCoordinateTransform exGeoTransform( wgs84, crs, project );
try
{
rect = exGeoTransform.transformBoundingBox( wmtsLayer.wgs84BoundingRect );
}
catch ( const QgsCsException & )
{
continue;
}
continue;
}

//wmts:TileMatrixSetLink
Expand All @@ -641,8 +454,7 @@ namespace QgsWmts

//wmts:TileMatrixSetLimits
QDomElement tmsLimitsElement = doc.createElement( QStringLiteral( "TileMatrixSetLimits" )/*wmts:TileMatrixSetLimits*/ );
int tmIdx = 0;
for ( const tileMatrixDef tm : tms.tileMatrixList )
for ( int tmIdx : tmsl.tileMatrixLimits.keys() )
{
QDomElement tmLimitsElement = doc.createElement( QStringLiteral( "TileMatrixLimits" )/*wmts:TileMatrixLimits*/ );

Expand All @@ -651,29 +463,29 @@ namespace QgsWmts
tmIdentifierElem.appendChild( tmIdentifierText );
tmLimitsElement.appendChild( tmIdentifierElem );

tileMatrixLimitDef tml = tmsl.tileMatrixLimits[tmIdx];

QDomElement minTileColElem = doc.createElement( QStringLiteral( "MinTileCol" ) );
QDomText minTileColText = doc.createTextNode( QString::number( 0 ) );
QDomText minTileColText = doc.createTextNode( QString::number( tml.minCol ) );
minTileColElem.appendChild( minTileColText );
tmLimitsElement.appendChild( minTileColElem );

QDomElement maxTileColElem = doc.createElement( QStringLiteral( "MaxTileCol" ) );
QDomText maxTileColText = doc.createTextNode( QString::number( tm.col ) );
QDomText maxTileColText = doc.createTextNode( QString::number( tml.maxCol ) );
maxTileColElem.appendChild( maxTileColText );
tmLimitsElement.appendChild( maxTileColElem );

QDomElement minTileRowElem = doc.createElement( QStringLiteral( "MinTileRow" ) );
QDomText minTileRowText = doc.createTextNode( QString::number( 0 ) );
QDomText minTileRowText = doc.createTextNode( QString::number( tml.minRow ) );
minTileRowElem.appendChild( minTileRowText );
tmLimitsElement.appendChild( minTileRowElem );

QDomElement maxTileRowElem = doc.createElement( QStringLiteral( "MaxTileRow" ) );
QDomText maxTileRowText = doc.createTextNode( QString::number( tm.row ) );
QDomText maxTileRowText = doc.createTextNode( QString::number( tml.maxRow ) );
maxTileRowElem.appendChild( maxTileRowText );
tmLimitsElement.appendChild( maxTileRowElem );

tmsLimitsElement.appendChild( tmLimitsElement );

++tmIdx;
}
tmslElement.appendChild( tmsLimitsElement );

Expand Down

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