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fix WMS-C

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This commit is contained in:
Juergen E. Fischer 2012-06-07 01:35:27 +02:00
parent 18bafb370a
commit 38d15f1200
1 changed files with 93 additions and 63 deletions
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156
src/providers/wms/qgswmsprovider.cpp
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@ -385,74 +385,23 @@ void QgsWmsProvider::addLayers( QStringList const &layers,
return;
}
if ( mTiled )
// TODO: Make mActiveSubLayers a std::map in order to avoid duplicates
mActiveSubLayers += layers;
mActiveSubStyles += styles;
// Set the visibility of these new layers on by default
foreach( const QString &layer, layers )
{
if ( layers.size() != 1 )
{
QgsMessageLog::logMessage( tr( "Number of tile layers must be one" ), tr( "WMS" ) );
mValid = false;
return;
}
mValid = retrieveServerCapabilities();
if ( !mValid || mTileLayersSupported.size() == 0 )
{
QgsMessageLog::logMessage( tr( "Tile layer not found" ), tr( "WMS" ) );
return;
}
for ( int i = 0; i < mTileLayersSupported.size(); i++ )
{
if ( mTileLayersSupported[i].identifier == layers[0] )
{
mTileLayer = &mTileLayersSupported[i];
if ( mTileMatrixSetId.isEmpty() && mTileLayer->setLinks.size() == 1 )
{
// fill in generate matrix for WMS-C
mTileMatrixSetId = mTileLayer->setLinks.keys()[0];
}
break;
}
}
QList<QVariant> resolutions;
if ( mTileMatrixSets.contains( mTileMatrixSetId ) )
{
mTileMatrixSet = &mTileMatrixSets[ mTileMatrixSetId ];
QList<double> keys = mTileMatrixSet->tileMatrices.keys();
qSort( keys );
foreach( double key, keys )
{
resolutions << key;
}
}
else
{
mTileMatrixSet = 0;
}
setProperty( "resolutions", resolutions );
mValid = mTileLayer != 0 && mTileMatrixSet != 0;
}
if ( mValid )
{
// TODO: Make mActiveSubLayers a std::map in order to avoid duplicates
mActiveSubLayers += layers;
mActiveSubStyles += styles;
// Set the visibility of these new layers on by default
foreach( const QString &layer, layers )
{
mActiveSubLayerVisibility[ layer ] = true;
QgsDebugMsg( "set visibility of layer '" + layer + "' to true." );
}
mActiveSubLayerVisibility[ layer ] = true;
QgsDebugMsg( "set visibility of layer '" + layer + "' to true." );
}
// now that the layers have changed, the extent will as well.
mExtentDirty = true;
if ( mTiled )
mTileLayer = 0;
QgsDebugMsg( "Exiting." );
}
@ -507,6 +456,75 @@ void QgsWmsProvider::setImageCrs( QString const & crs )
mImageCrs = crs;
}
if ( mTiled )
{
if ( mActiveSubLayers.size() != 1 )
{
QgsDebugMsg( "Number of tile layers must be one" );
mValid = false;
return;
}
mValid = retrieveServerCapabilities();
if ( !mValid || mTileLayersSupported.size() == 0 )
{
QgsDebugMsg( "Tile layer not found" );
return;
}
for ( int i = 0; i < mTileLayersSupported.size(); i++ )
{
QgsWmtsTileLayer *tl = &mTileLayersSupported[i];
if ( tl->identifier != mActiveSubLayers[0] )
continue;
if ( mTileMatrixSetId.isEmpty() && tl->setLinks.size() == 1 )
{
QString tms = tl->setLinks.keys()[0];
if ( !mTileMatrixSets.contains( tms ) )
{
QgsDebugMsg( QString( "tile matrix set '%1' not found." ).arg( tms ) );
continue;
}
if ( mTileMatrixSets[ tms ].crs != mImageCrs )
{
QgsDebugMsg( QString( "tile matrix set '%1' has crs %2 instead of %3." ).arg( tms ).arg( mTileMatrixSets[ tms ].crs ).arg( mImageCrs ) );
continue;
}
// fill in generate matrix for WMS-C
mTileMatrixSetId = tms;
}
mTileLayer = tl;
break;
}
QList<QVariant> resolutions;
if ( mTileMatrixSets.contains( mTileMatrixSetId ) )
{
mTileMatrixSet = &mTileMatrixSets[ mTileMatrixSetId ];
QList<double> keys = mTileMatrixSet->tileMatrices.keys();
qSort( keys );
foreach( double key, keys )
{
resolutions << key;
}
}
else
{
QgsDebugMsg( QString( "Expected tile matrix set '%1' not found." ).arg( mTileMatrixSetId ) );
mTileMatrixSet = 0;
}
setProperty( "resolutions", resolutions );
mValid = mTileLayer != 0 && mTileMatrixSet != 0;
}
}
void QgsWmsProvider::setQueryItem( QUrl &url, QString item, QString value )
@ -771,6 +789,7 @@ QImage *QgsWmsProvider::draw( QgsRectangle const &viewExtent, int pixelWidth, i
setQueryItem( url, "LAYERS", mActiveSubLayers.join( "," ) );
setQueryItem( url, "STYLES", mActiveSubStyles.join( "," ) );
setQueryItem( url, "FORMAT", mImageMimeType );
setQueryItem( url, crsKey, mImageCrs );
setQueryItem( url, "TILED", "true" );
int i = 0;
@ -3043,7 +3062,16 @@ bool QgsWmsProvider::calculateExtent()
QgsCoordinateReferenceSystem qgisSrsSource;
QgsCoordinateReferenceSystem qgisSrsDest;
qgisSrsSource.createFromOgcWmsCrs( DEFAULT_LATLON_CRS );
if ( mTiled && mTileLayer )
{
QgsDebugMsg( QString( "Tile layer's extent: %1 %2" ).arg( mTileLayer->boundingBox.box.toString() ).arg( mTileLayer->boundingBox.crs ) );
qgisSrsSource.createFromOgcWmsCrs( mTileLayer->boundingBox.crs );
}
else
{
qgisSrsSource.createFromOgcWmsCrs( DEFAULT_LATLON_CRS );
}
qgisSrsDest.createFromOgcWmsCrs( mImageCrs );
mCoordinateTransform = new QgsCoordinateTransform( qgisSrsSource, qgisSrsDest );
@ -3071,6 +3099,8 @@ bool QgsWmsProvider::calculateExtent()
}
}
QgsDebugMsg( "no extent returned" );
return false;
}
else