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fix feature info for WMS 1.3

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This commit is contained in:
Juergen E. Fischer 2012-05-16 00:16:55 +02:00
parent 0bac04db2c
commit 3a252fc100
1 changed files with 49 additions and 43 deletions
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92
src/providers/wms/qgswmsprovider.cpp
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@ -2936,51 +2936,57 @@ QStringList QgsWmsProvider::identifyAs( const QgsPoint& point, QString format )
++layers, ++styles )
{
// Is sublayer visible?
if ( activeSubLayerVisibility.find( *layers ).value() )
if ( !mActiveSubLayerVisibility.find( *layers ).value() )
continue;
// Is sublayer queryable?
if ( !mQueryableForLayer.find( *layers ).value() )
continue;
QgsDebugMsg( "Layer '" + *layers + "' is queryable." );
QUrl requestUrl( mGetFeatureInfoUrlBase );
setQueryItem( requestUrl, "SERVICE", "WMS" );
setQueryItem( requestUrl, "VERSION", mCapabilities.version );
setQueryItem( requestUrl, "REQUEST", "GetFeatureInfo" );
setQueryItem( requestUrl, "BBOX", bbox );
setQueryItem( requestUrl, crsKey, mImageCrs );
setQueryItem( requestUrl, "WIDTH", QString::number( mCachedViewWidth ) );
setQueryItem( requestUrl, "HEIGHT", QString::number( mCachedViewHeight ) );
setQueryItem( requestUrl, "LAYERS", *layers );
setQueryItem( requestUrl, "STYLES", *styles );
setQueryItem( requestUrl, "FORMAT", mImageMimeType );
setQueryItem( requestUrl, "QUERY_LAYERS", *layers );
setQueryItem( requestUrl, "INFO_FORMAT", format );
if ( mCapabilities.version == "1.3.0" || mCapabilities.version == "1.3" )
{
// Is sublayer queryable?
if ( mQueryableForLayer.find( *layers ).value() )
{
QgsDebugMsg( "Layer '" + *layers + "' is queryable." );
QUrl requestUrl( mGetFeatureInfoUrlBase );
setQueryItem( requestUrl, "SERVICE", "WMS" );
setQueryItem( requestUrl, "VERSION", mCapabilities.version );
setQueryItem( requestUrl, "REQUEST", "GetFeatureInfo" );
setQueryItem( requestUrl, "BBOX", bbox );
setQueryItem( requestUrl, crsKey, imageCrs );
setQueryItem( requestUrl, "WIDTH", QString::number( cachedViewWidth ) );
setQueryItem( requestUrl, "HEIGHT", QString::number( cachedViewHeight ) );
setQueryItem( requestUrl, "LAYERS", *layers );
setQueryItem( requestUrl, "STYLES", *styles );
setQueryItem( requestUrl, "FORMAT", imageMimeType );
setQueryItem( requestUrl, "QUERY_LAYERS", *layers );
setQueryItem( requestUrl, "INFO_FORMAT", format );
setQueryItem( requestUrl, "X", QString::number( point.x() ) );
setQueryItem( requestUrl, "Y", QString::number( point.y() ) );
if ( mFeatureCount > 0 )
{
setQueryItem( requestUrl, "FEATURE_COUNT", QString::number( mFeatureCount ) );
}
// X,Y in WMS 1.1.1; I,J in WMS 1.3.0
// requestUrl += QString( "&I=%1&J=%2" ).arg( point.x() ).arg( point.y() );
QgsDebugMsg( QString( "getfeatureinfo: %1" ).arg( requestUrl.toString() ) );
QNetworkRequest request( requestUrl );
setAuthorization( request );
mIdentifyReply = QgsNetworkAccessManager::instance()->get( request );
connect( mIdentifyReply, SIGNAL( finished() ), this, SLOT( identifyReplyFinished() ) );
while ( mIdentifyReply )
{
QCoreApplication::processEvents( QEventLoop::ExcludeUserInputEvents );
}
results << mIdentifyResult;
}
setQueryItem( requestUrl, "I", QString::number( point.x() ) );
setQueryItem( requestUrl, "J", QString::number( point.y() ) );
}
else
{
setQueryItem( requestUrl, "X", QString::number( point.x() ) );
setQueryItem( requestUrl, "Y", QString::number( point.y() ) );
}
if ( mFeatureCount > 0 )
{
setQueryItem( requestUrl, "FEATURE_COUNT", QString::number( mFeatureCount ) );
}
QgsDebugMsg( QString( "getfeatureinfo: %1" ).arg( requestUrl.toString() ) );
QNetworkRequest request( requestUrl );
setAuthorization( request );
mIdentifyReply = QgsNetworkAccessManager::instance()->get( request );
connect( mIdentifyReply, SIGNAL( finished() ), this, SLOT( identifyReplyFinished() ) );
while ( mIdentifyReply )
{
QCoreApplication::processEvents( QEventLoop::ExcludeUserInputEvents );
}
results << mIdentifyResult;
}
QgsDebugMsg( "Exiting with: " + results.join( "\n------\n" ) );