QgsFeatureList QgsClipboard::stringToFeatureList( const QString &string, const QgsFields &fields ) const
{
//first try using OGR to read string
QgsFeatureList features = QgsOgrUtils::stringToFeatureList( string, fields, QTextCodec::codecForName( "System" ) );
if ( !features.isEmpty() )
return features;
// otherwise try to read in as WKT
QStringList values = string.split( '\n' );
if ( values.isEmpty() || string.isEmpty() )
return features;
Q_FOREACH ( const QString &row, values )
{
// Assume that it's just WKT for now.
QgsGeometry geometry = QgsGeometry::fromWkt( row );
if ( geometry.isNull() )
continue;
QgsFeature feature;
if ( !fields.isEmpty() )
feature.setFields( fields, true );
feature.setGeometry( geometry );
features.append( feature );
}
QgsFeatureList QgsClipboard::copyOf( const QgsFields &fields )
{
QgsDebugMsg( "returning clipboard." );
if ( !mUseSystemClipboard )
return mFeatureClipboard;
QClipboard *cb = QApplication::clipboard();
#ifndef Q_OS_WIN
QString text = cb->text( QClipboard::Selection );
#else
QString text = cb->text( QClipboard::Clipboard );
#endif
QStringList values = text.split( "\n" );
if ( values.isEmpty() || text.isEmpty() )
return mFeatureClipboard;
QgsFeatureList features;
foreach ( QString row, values )
{
// Assume that it's just WKT for now.
QgsGeometry* geometry = QgsGeometry::fromWkt( row );
if ( !geometry )
continue;
QgsFeature* feature = new QgsFeature();
if ( !fields.isEmpty() )
feature->setFields( &fields, true );
feature->setGeometry( geometry );
features.append( QgsFeature( *feature ) );
}
void QgsFeaturePool::addFeature( QgsFeature &feature )
{
QgsFeatureList features;
features.append( feature );
mLayerMutex.lock();
mLayer->dataProvider()->addFeatures( features );
feature.setId( features.front().id() );
if ( mSelectedOnly )
{
QgsFeatureIds selectedFeatureIds = mLayer->selectedFeatureIds();
selectedFeatureIds.insert( feature.id() );
mLayer->selectByIds( selectedFeatureIds );
}
mLayerMutex.unlock();
mIndexMutex.lock();
mIndex.insertFeature( feature );
mIndexMutex.unlock();
}
int QgsVectorLayerEditUtils::splitFeatures( const QList<QgsPoint>& splitLine, bool topologicalEditing )
{
if ( !L->hasGeometryType() )
return 4;
QgsFeatureList newFeatures; //store all the newly created features
double xMin, yMin, xMax, yMax;
QgsRectangle bBox; //bounding box of the split line
int returnCode = 0;
int splitFunctionReturn; //return code of QgsGeometry::splitGeometry
int numberOfSplittedFeatures = 0;
QgsFeatureIterator features;
const QgsFeatureIds selectedIds = L->selectedFeaturesIds();
if ( selectedIds.size() > 0 ) //consider only the selected features if there is a selection
{
features = L->selectedFeaturesIterator();
}
else //else consider all the feature that intersect the bounding box of the split line
{
if ( boundingBoxFromPointList( splitLine, xMin, yMin, xMax, yMax ) == 0 )
{
bBox.setXMinimum( xMin ); bBox.setYMinimum( yMin );
bBox.setXMaximum( xMax ); bBox.setYMaximum( yMax );
}
else
{
return 1;
}
if ( bBox.isEmpty() )
{
//if the bbox is a line, try to make a square out of it
if ( bBox.width() == 0.0 && bBox.height() > 0 )
{
bBox.setXMinimum( bBox.xMinimum() - bBox.height() / 2 );
bBox.setXMaximum( bBox.xMaximum() + bBox.height() / 2 );
}
else if ( bBox.height() == 0.0 && bBox.width() > 0 )
{
bBox.setYMinimum( bBox.yMinimum() - bBox.width() / 2 );
bBox.setYMaximum( bBox.yMaximum() + bBox.width() / 2 );
}
else
{
//If we have a single point, we still create a non-null box
double bufferDistance = 0.000001;
if ( L->crs().geographicFlag() )
bufferDistance = 0.00000001;
bBox.setXMinimum( bBox.xMinimum() - bufferDistance );
bBox.setXMaximum( bBox.xMaximum() + bufferDistance );
bBox.setYMinimum( bBox.yMinimum() - bufferDistance );
bBox.setYMaximum( bBox.yMaximum() + bufferDistance );
}
}
features = L->getFeatures( QgsFeatureRequest().setFilterRect( bBox ).setFlags( QgsFeatureRequest::ExactIntersect ) );
}
QgsFeature feat;
while ( features.nextFeature( feat ) )
{
if ( !feat.constGeometry() )
{
continue;
}
QList<QgsGeometry*> newGeometries;
QList<QgsPoint> topologyTestPoints;
QgsGeometry* newGeometry = 0;
splitFunctionReturn = feat.geometry()->splitGeometry( splitLine, newGeometries, topologicalEditing, topologyTestPoints );
if ( splitFunctionReturn == 0 )
{
//change this geometry
L->editBuffer()->changeGeometry( feat.id(), feat.geometry() );
//insert new features
for ( int i = 0; i < newGeometries.size(); ++i )
{
newGeometry = newGeometries.at( i );
QgsFeature newFeature;
newFeature.setGeometry( newGeometry );
//use default value where possible for primary key (e.g. autoincrement),
//and use the value from the original (split) feature if not primary key
QgsAttributes newAttributes = feat.attributes();
Q_FOREACH ( int pkIdx, L->dataProvider()->pkAttributeIndexes() )
{
const QVariant defaultValue = L->dataProvider()->defaultValue( pkIdx );
if ( !defaultValue.isNull() )
{
newAttributes[ pkIdx ] = defaultValue;
}
else //try with NULL
{
newAttributes[ pkIdx ] = QVariant();
}
}
newFeature.setAttributes( newAttributes );
newFeatures.append( newFeature );
}
if ( topologicalEditing )
{
QList<QgsPoint>::const_iterator topol_it = topologyTestPoints.constBegin();
for ( ; topol_it != topologyTestPoints.constEnd(); ++topol_it )
{
addTopologicalPoints( *topol_it );
}
}
++numberOfSplittedFeatures;
}
else if ( splitFunctionReturn > 1 ) //1 means no split but also no error
void QgsGeometryCheckerSetupTab::runChecks()
{
// Get selected layer
QList<QgsVectorLayer *> layers = getSelectedLayers();
if ( layers.isEmpty() )
return;
if ( ui.radioButtonOutputNew->isChecked() )
{
for ( QgsVectorLayer *layer : layers )
{
if ( layer->dataProvider()->dataSourceUri().startsWith( ui.lineEditOutputDirectory->text() ) )
{
QMessageBox::critical( this, tr( "Invalid Output Directory" ), tr( "The chosen output directory contains one or more input layers." ) );
return;
}
}
}
QgsVectorLayer *lineLayerCheckLayer = ui.comboLineLayerIntersection->isEnabled() ? dynamic_cast<QgsVectorLayer *>( QgsProject::instance()->mapLayer( ui.comboLineLayerIntersection->currentData().toString() ) ) : nullptr;
QgsVectorLayer *followBoundaryCheckLayer = ui.comboBoxFollowBoundaries->isEnabled() ? dynamic_cast<QgsVectorLayer *>( QgsProject::instance()->mapLayer( ui.comboBoxFollowBoundaries->currentData().toString() ) ) : nullptr;
if ( layers.contains( lineLayerCheckLayer ) || layers.contains( followBoundaryCheckLayer ) )
{
QMessageBox::critical( this, tr( "Error" ), tr( "The test layer set contains a layer selected for a topology check." ) );
return;
}
for ( QgsVectorLayer *layer : layers )
{
if ( layer->isEditable() )
{
QMessageBox::critical( this, tr( "Editable Input Layer" ), tr( "Input layer are not allowed to be in editing mode." ) );
return;
}
}
bool selectedOnly = ui.checkBoxInputSelectedOnly->isChecked();
// Set window busy
setCursor( Qt::WaitCursor );
mRunButton->setEnabled( false );
ui.labelStatus->setText( tr( "<b>Preparing output...</b>" ) );
ui.labelStatus->show();
QApplication::processEvents( QEventLoop::ExcludeUserInputEvents );
QList<QgsVectorLayer *> processLayers;
if ( ui.radioButtonOutputNew->isChecked() )
{
// Get output directory and file extension
QDir outputDir = QDir( ui.lineEditOutputDirectory->text() );
QString outputDriverName = ui.comboBoxOutputFormat->currentText();
QgsVectorFileWriter::MetaData metadata;
if ( !QgsVectorFileWriter::driverMetadata( outputDriverName, metadata ) )
{
QMessageBox::critical( this, tr( "Unknown Output Format" ), tr( "The specified output format cannot be recognized." ) );
mRunButton->setEnabled( true );
ui.labelStatus->hide();
unsetCursor();
return;
}
QString outputExtension = metadata.ext;
// List over input layers, check which existing project layers need to be removed and create output layers
QString filenamePrefix = ui.lineEditFilenamePrefix->text();
QSettings().setValue( "/geometry_checker/previous_values/filename_prefix", filenamePrefix );
QStringList toRemove;
QStringList createErrors;
for ( QgsVectorLayer *layer : layers )
{
QString outputPath = outputDir.absoluteFilePath( filenamePrefix + layer->name() + "." + outputExtension );
// Remove existing layer with same uri from project
for ( QgsVectorLayer *projectLayer : QgsProject::instance()->layers<QgsVectorLayer *>() )
{
if ( projectLayer->dataProvider()->dataSourceUri().startsWith( outputPath ) )
{
toRemove.append( projectLayer->id() );
}
}
// Create output layer
QString errMsg;
QgsVectorFileWriter::WriterError err = QgsVectorFileWriter::writeAsVectorFormat( layer, outputPath, layer->dataProvider()->encoding(), layer->crs(), outputDriverName, selectedOnly, &errMsg );
if ( err != QgsVectorFileWriter::NoError )
{
createErrors.append( errMsg );
continue;
}
QgsVectorLayer *newlayer = new QgsVectorLayer( outputPath, QFileInfo( outputPath ).completeBaseName(), QStringLiteral( "ogr" ) );
if ( selectedOnly )
{
QgsFeature feature;
// Get features to select (only selected features were written up to this point)
QgsFeatureIds selectedFeatures = newlayer->allFeatureIds();
// Write non-selected feature ids
QgsFeatureList features;
QgsFeatureIterator it = layer->getFeatures();
while ( it.nextFeature( feature ) )
{
if ( !layer->selectedFeatureIds().contains( feature.id() ) )
{
features.append( feature );
}
}
newlayer->dataProvider()->addFeatures( features );
// Set selected features
newlayer->selectByIds( selectedFeatures );
}
processLayers.append( newlayer );
}
// Remove layers from project
if ( !toRemove.isEmpty() )
{
QgsProject::instance()->removeMapLayers( toRemove );
}
// Error if an output layer could not be created
if ( !createErrors.isEmpty() )
{
QMessageBox::critical( this, tr( "Layer Creation Failed" ), tr( "Failed to create one or moure output layers:\n%1" ).arg( createErrors.join( "\n" ) ) );
mRunButton->setEnabled( true );
ui.labelStatus->hide();
unsetCursor();
return;
}
}
else
{
processLayers = layers;
}
// Check if output layers are editable
QList<QgsVectorLayer *> nonEditableLayers;
for ( QgsVectorLayer *layer : processLayers )
{
if ( ( layer->dataProvider()->capabilities() & QgsVectorDataProvider::ChangeGeometries ) == 0 )
{
nonEditableLayers.append( layer );
}
}
if ( !nonEditableLayers.isEmpty() )
{
QStringList nonEditableLayerNames;
for ( QgsVectorLayer *layer : nonEditableLayers )
{
nonEditableLayerNames.append( layer->name() );
}
if ( QMessageBox::Yes != QMessageBox::question( this, tr( "Non-editable Output Layers" ), tr( "The following output layers are ina format that does not support editing features:\n%1\n\nThe geometry check can be performed, but it will not be possible to fix any errors. Do you want to continue?" ).arg( nonEditableLayerNames.join( "\n" ) ), QMessageBox::Yes, QMessageBox::No ) )
{
if ( ui.radioButtonOutputNew->isChecked() )
{
for ( QgsVectorLayer *layer : processLayers )
{
QString layerPath = layer->dataProvider()->dataSourceUri();
delete layer;
if ( ui.comboBoxOutputFormat->currentText() == QLatin1String( "ESRI Shapefile" ) )
{
QgsVectorFileWriter::deleteShapeFile( layerPath );
}
else
{
QFile( layerPath ).remove();
}
}
mRunButton->setEnabled( true );
ui.labelStatus->hide();
unsetCursor();
}
return;
}
}
// Setup checker
ui.labelStatus->setText( tr( "<b>Building spatial index...</b>" ) );
QApplication::processEvents( QEventLoop::ExcludeUserInputEvents );
QMap<QString, QgsFeaturePool *> featurePools;
for ( QgsVectorLayer *layer : processLayers )
{
double layerToMapUntis = mIface->mapCanvas()->mapSettings().layerToMapUnits( layer );
QgsCoordinateTransform layerToMapTransform = QgsCoordinateTransformCache::instance()->transform( layer->crs().authid(), mIface->mapCanvas()->mapSettings().destinationCrs().authid() );
featurePools.insert( layer->id(), new QgsFeaturePool( layer, layerToMapUntis, layerToMapTransform, selectedOnly ) );
}
// LineLayerIntersection check is enabled, make sure there is also a feature pool for that layer
if ( ui.checkLineLayerIntersection->isChecked() && !featurePools.keys().contains( ui.comboLineLayerIntersection->currentData().toString() ) )
{
QgsVectorLayer *layer = dynamic_cast<QgsVectorLayer *>( QgsProject::instance()->mapLayer( ui.comboLineLayerIntersection->currentData().toString() ) );
Q_ASSERT( layer );
double layerToMapUntis = mIface->mapCanvas()->mapSettings().layerToMapUnits( layer );
QgsCoordinateTransform layerToMapTransform = QgsCoordinateTransformCache::instance()->transform( layer->crs().authid(), mIface->mapCanvas()->mapSettings().destinationCrs().authid() );
featurePools.insert( layer->id(), new QgsFeaturePool( layer, layerToMapUntis, layerToMapTransform, selectedOnly ) );
}
QgsGeometryCheckerContext *context = new QgsGeometryCheckerContext( ui.spinBoxTolerance->value(), mIface->mapCanvas()->mapSettings().destinationCrs().authid(), featurePools );
QList<QgsGeometryCheck *> checks;
for ( const QgsGeometryCheckFactory *factory : QgsGeometryCheckFactoryRegistry::getCheckFactories() )
{
QgsGeometryCheck *check = factory->createInstance( context, ui );
if ( check )
{
checks.append( check );
}
}
QgsGeometryChecker *checker = new QgsGeometryChecker( checks, context );
emit checkerStarted( checker );
if ( ui.radioButtonOutputNew->isChecked() )
{
QList<QgsMapLayer *> addLayers;
for ( QgsVectorLayer *layer : processLayers )
{
addLayers.append( layer );
}
QgsProject::instance()->addMapLayers( addLayers );
}
// Run
ui.buttonBox->addButton( mAbortButton, QDialogButtonBox::ActionRole );
mRunButton->hide();
ui.progressBar->setRange( 0, 0 );
ui.labelStatus->hide();
ui.progressBar->show();
ui.widgetInputs->setEnabled( false );
QEventLoop evLoop;
QFutureWatcher<void> futureWatcher;
connect( checker, &QgsGeometryChecker::progressValue, ui.progressBar, &QProgressBar::setValue );
connect( &futureWatcher, &QFutureWatcherBase::finished, &evLoop, &QEventLoop::quit );
connect( mAbortButton, &QAbstractButton::clicked, &futureWatcher, &QFutureWatcherBase::cancel );
connect( mAbortButton, &QAbstractButton::clicked, this, &QgsGeometryCheckerSetupTab::showCancelFeedback );
int maxSteps = 0;
futureWatcher.setFuture( checker->execute( &maxSteps ) );
ui.progressBar->setRange( 0, maxSteps );
evLoop.exec();
// Restore window
unsetCursor();
mAbortButton->setEnabled( true );
ui.buttonBox->removeButton( mAbortButton );
mRunButton->setEnabled( true );
mRunButton->show();
ui.progressBar->hide();
ui.labelStatus->hide();
ui.widgetInputs->setEnabled( true );
// Show result
emit checkerFinished( !futureWatcher.isCanceled() );
}
int QgsVectorLayerEditUtils::splitFeatures( const QList<QgsPoint>& splitLine, bool topologicalEditing )
{
if ( !L->hasGeometryType() )
return 4;
QgsFeatureList newFeatures; //store all the newly created features
double xMin, yMin, xMax, yMax;
QgsRectangle bBox; //bounding box of the split line
int returnCode = 0;
int splitFunctionReturn; //return code of QgsGeometry::splitGeometry
int numberOfSplittedFeatures = 0;
QgsFeatureList featureList;
const QgsFeatureIds selectedIds = L->selectedFeaturesIds();
if ( selectedIds.size() > 0 ) //consider only the selected features if there is a selection
{
featureList = L->selectedFeatures();
}
else //else consider all the feature that intersect the bounding box of the split line
{
if ( boundingBoxFromPointList( splitLine, xMin, yMin, xMax, yMax ) == 0 )
{
bBox.setXMinimum( xMin ); bBox.setYMinimum( yMin );
bBox.setXMaximum( xMax ); bBox.setYMaximum( yMax );
}
else
{
return 1;
}
if ( bBox.isEmpty() )
{
//if the bbox is a line, try to make a square out of it
if ( bBox.width() == 0.0 && bBox.height() > 0 )
{
bBox.setXMinimum( bBox.xMinimum() - bBox.height() / 2 );
bBox.setXMaximum( bBox.xMaximum() + bBox.height() / 2 );
}
else if ( bBox.height() == 0.0 && bBox.width() > 0 )
{
bBox.setYMinimum( bBox.yMinimum() - bBox.width() / 2 );
bBox.setYMaximum( bBox.yMaximum() + bBox.width() / 2 );
}
else
{
return 2;
}
}
QgsFeatureIterator fit = L->getFeatures( QgsFeatureRequest().setFilterRect( bBox ).setFlags( QgsFeatureRequest::ExactIntersect ) );
QgsFeature f;
while ( fit.nextFeature( f ) )
featureList << QgsFeature( f );
}
QgsFeatureList::iterator select_it = featureList.begin();
for ( ; select_it != featureList.end(); ++select_it )
{
if ( !select_it->geometry() )
{
continue;
}
QList<QgsGeometry*> newGeometries;
QList<QgsPoint> topologyTestPoints;
QgsGeometry* newGeometry = 0;
splitFunctionReturn = select_it->geometry()->splitGeometry( splitLine, newGeometries, topologicalEditing, topologyTestPoints );
if ( splitFunctionReturn == 0 )
{
//change this geometry
L->editBuffer()->changeGeometry( select_it->id(), select_it->geometry() );
//insert new features
for ( int i = 0; i < newGeometries.size(); ++i )
{
newGeometry = newGeometries.at( i );
QgsFeature newFeature;
newFeature.setGeometry( newGeometry );
//use default value where possible (primary key issue), otherwise the value from the original (split) feature
QgsAttributes newAttributes = select_it->attributes();
QVariant defaultValue;
for ( int j = 0; j < newAttributes.count(); ++j )
{
defaultValue = L->dataProvider()->defaultValue( j );
if ( !defaultValue.isNull() )
{
newAttributes[ j ] = defaultValue;
}
}
newFeature.setAttributes( newAttributes );
newFeatures.append( newFeature );
}
if ( topologicalEditing )
{
QList<QgsPoint>::const_iterator topol_it = topologyTestPoints.constBegin();
for ( ; topol_it != topologyTestPoints.constEnd(); ++topol_it )
{
addTopologicalPoints( *topol_it );
}
}
++numberOfSplittedFeatures;
}
else if ( splitFunctionReturn > 1 ) //1 means no split but also no error
{
returnCode = splitFunctionReturn;
}
}
if ( numberOfSplittedFeatures == 0 && selectedIds.size() > 0 )
{
//There is a selection but no feature has been split.
//Maybe user forgot that only the selected features are split
returnCode = 4;
}
//now add the new features to this vectorlayer
L->editBuffer()->addFeatures( newFeatures );
return returnCode;
}
void QgsGeometrySnapperDialog::run()
{
/** Get layers **/
QgsVectorLayer* layer = getInputLayer();
QgsVectorLayer* referenceLayer = getReferenceLayer();
if ( layer == 0 || referenceLayer == 0 )
{
return;
}
if ( ui.radioButtonOutputNew->isChecked() &&
( layer->dataProvider()->dataSourceUri().startsWith( ui.lineEditOutput->text() ) ||
referenceLayer->dataProvider()->dataSourceUri().startsWith( ui.lineEditOutput->text() ) ) )
{
QMessageBox::critical( this, tr( "Invalid Output Layer" ), tr( "The chosen output layer is the same as an input layer." ) );
return;
}
bool selectedOnly = ui.checkBoxInputSelectedOnly->isChecked();
/** Duplicate if necessary **/
if ( ui.radioButtonOutputNew->isChecked() )
{
QString filename = ui.lineEditOutput->text();
// Remove existing layer with same uri
QStringList toRemove;
foreach ( QgsMapLayer* maplayer, QgsMapLayerRegistry::instance()->mapLayers() )
{
if ( dynamic_cast<QgsVectorLayer*>( maplayer ) &&
static_cast<QgsVectorLayer*>( maplayer )->dataProvider()->dataSourceUri().startsWith( filename ) )
{
toRemove.append( maplayer->id() );
}
}
if ( !toRemove.isEmpty() )
{
QgsMapLayerRegistry::instance()->removeMapLayers( toRemove );
}
QString errMsg;
QgsVectorFileWriter::WriterError err = QgsVectorFileWriter::writeAsVectorFormat( layer, filename, layer->dataProvider()->encoding(), &layer->crs(), mOutputDriverName, selectedOnly, &errMsg );
if ( err != QgsVectorFileWriter::NoError )
{
QMessageBox::critical( this, tr( "Layer Creation Failed" ), tr( "Failed to create the output layer: %1" ).arg( errMsg ) );
return;
}
QgsVectorLayer* newlayer = new QgsVectorLayer( filename, QFileInfo( filename ).completeBaseName(), "ogr" );
if ( selectedOnly )
{
QgsFeature feature;
// Get features to select (only selected features were written up to this point)
QgsFeatureIds selectedFeatures = newlayer->allFeatureIds();
// Write non-selected feature ids
QgsFeatureList features;
QgsFeatureIterator it = layer->getFeatures();
while ( it.nextFeature( feature ) )
{
if ( !layer->selectedFeaturesIds().contains( feature.id() ) )
{
features.append( feature );
}
}
newlayer->dataProvider()->addFeatures( features );
// Set selected features
newlayer->setSelectedFeatures( selectedFeatures );
}
layer = newlayer;
}
QgsFeatureList QgsQuickIdentifyKit::identifyVectorLayer( QgsVectorLayer *layer, const QgsPointXY &point ) const
{
QgsFeatureList results;
if ( !layer || !layer->isSpatial() )
return results;
if ( !layer->isInScaleRange( mMapSettings->mapSettings().scale() ) )
return results;
QgsFeatureList featureList;
// toLayerCoordinates will throw an exception for an 'invalid' point.
// For example, if you project a world map onto a globe using EPSG 2163
// and then click somewhere off the globe, an exception will be thrown.
try
{
// create the search rectangle
double searchRadius = searchRadiusMU();
QgsRectangle r;
r.setXMinimum( point.x() - searchRadius );
r.setXMaximum( point.x() + searchRadius );
r.setYMinimum( point.y() - searchRadius );
r.setYMaximum( point.y() + searchRadius );
r = toLayerCoordinates( layer, r );
QgsFeatureRequest req;
req.setFilterRect( r );
req.setLimit( mFeaturesLimit );
req.setFlags( QgsFeatureRequest::ExactIntersect );
QgsFeatureIterator fit = layer->getFeatures( req );
QgsFeature f;
while ( fit.nextFeature( f ) )
featureList << QgsFeature( f );
}
catch ( QgsCsException &cse )
{
QgsDebugMsg( QStringLiteral( "Invalid point, proceed without a found features." ) );
Q_UNUSED( cse );
}
bool filter = false;
QgsRenderContext context( QgsRenderContext::fromMapSettings( mMapSettings->mapSettings() ) );
context.expressionContext() << QgsExpressionContextUtils::layerScope( layer );
QgsFeatureRenderer *renderer = layer->renderer();
if ( renderer && renderer->capabilities() & QgsFeatureRenderer::ScaleDependent )
{
// setup scale for scale dependent visibility (rule based)
renderer->startRender( context, layer->fields() );
filter = renderer->capabilities() & QgsFeatureRenderer::Filter;
}
for ( const QgsFeature &feature : featureList )
{
context.expressionContext().setFeature( feature );
if ( filter && !renderer->willRenderFeature( const_cast<QgsFeature &>( feature ), context ) )
continue;
results.append( feature );
}
if ( renderer && renderer->capabilities() & QgsFeatureRenderer::ScaleDependent )
{
renderer->stopRender( context );
}
return results;
}
