QgsGeometry::OperationResult QgsVectorLayerEditUtils::addRing( QgsCurve *ring, const QgsFeatureIds &targetFeatureIds, QgsFeatureId *modifiedFeatureId )
{
if ( !mLayer->isSpatial() )
{
delete ring;
return QgsGeometry::AddRingNotInExistingFeature;
}
QgsGeometry::OperationResult addRingReturnCode = QgsGeometry::AddRingNotInExistingFeature; //default: return code for 'ring not inserted'
QgsFeature f;
QgsFeatureIterator fit;
if ( !targetFeatureIds.isEmpty() )
{
//check only specified features
fit = mLayer->getFeatures( QgsFeatureRequest().setFilterFids( targetFeatureIds ) );
}
else
{
//check all intersecting features
QgsRectangle bBox = ring->boundingBox();
fit = mLayer->getFeatures( QgsFeatureRequest().setFilterRect( bBox ).setFlags( QgsFeatureRequest::ExactIntersect ) );
}
//find first valid feature we can add the ring to
while ( fit.nextFeature( f ) )
{
if ( !f.hasGeometry() )
continue;
//add ring takes ownership of ring, and deletes it if there's an error
QgsGeometry g = f.geometry();
addRingReturnCode = g.addRing( static_cast< QgsCurve * >( ring->clone() ) );
if ( addRingReturnCode == 0 )
if ( addRingReturnCode == QgsGeometry::Success )
{
mLayer->editBuffer()->changeGeometry( f.id(), g );
if ( modifiedFeatureId )
*modifiedFeatureId = f.id();
//setModified( true, true );
break;
}
}
delete ring;
return addRingReturnCode;
}
void QgsVectorLayerUndoCommandChangeGeometry::undo()
{
if ( FID_IS_NEW( mFid ) )
{
// modify added features
QgsFeatureMap::iterator it = mBuffer->mAddedFeatures.find( mFid );
Q_ASSERT( it != mBuffer->mAddedFeatures.end() );
it.value().setGeometry( mOldGeom );
cache()->cacheGeometry( mFid, mOldGeom );
emit mBuffer->geometryChanged( mFid, mOldGeom );
}
else
{
// existing feature
if ( mOldGeom.isEmpty() )
{
mBuffer->mChangedGeometries.remove( mFid );
QgsFeature f;
if ( layer()->getFeatures( QgsFeatureRequest().setFilterFid( mFid ).setSubsetOfAttributes( QgsAttributeList() ) ).nextFeature( f ) && f.hasGeometry() )
{
cache()->cacheGeometry( mFid, f.geometry() );
emit mBuffer->geometryChanged( mFid, f.geometry() );
}
}
else
{
mBuffer->mChangedGeometries[mFid] = mOldGeom;
cache()->cacheGeometry( mFid, mOldGeom );
emit mBuffer->geometryChanged( mFid, mOldGeom );
}
}
}
QgsFeature QgsFixGeometriesAlgorithm::processFeature( const QgsFeature &feature, QgsProcessingFeedback *feedback )
{
if ( !feature.hasGeometry() )
return feature;
QgsFeature outputFeature = feature;
QgsGeometry outputGeometry = outputFeature.geometry().makeValid();
if ( !outputGeometry )
{
feedback->pushInfo( QObject::tr( "makeValid failed for feature %1 " ).arg( feature.id() ) );
outputFeature.clearGeometry();
return outputFeature;
}
if ( outputGeometry.wkbType() == QgsWkbTypes::Unknown ||
QgsWkbTypes::flatType( outputGeometry.wkbType() ) == QgsWkbTypes::GeometryCollection )
{
// keep only the parts of the geometry collection with correct type
const QVector< QgsGeometry > tmpGeometries = outputGeometry.asGeometryCollection();
QVector< QgsGeometry > matchingParts;
for ( const QgsGeometry &g : tmpGeometries )
{
if ( g.type() == feature.geometry().type() )
matchingParts << g;
}
if ( !matchingParts.empty() )
outputGeometry = QgsGeometry::collectGeometry( matchingParts );
else
outputGeometry = QgsGeometry();
}
outputGeometry.convertToMultiType();
outputFeature.setGeometry( outputGeometry );
return outputFeature;
}
void QgsAtlasComposition::setCoverageLayer( QgsVectorLayer* layer )
{
mCoverageLayer = layer;
// update the number of features
QgsExpression::setSpecialColumn( "$numfeatures", QVariant(( int )mFeatureIds.size() ) );
// Grab the first feature so that user can use it to test the style in rules.
QgsFeature fet;
layer->getFeatures().nextFeature( fet );
QgsExpression::setSpecialColumn( "$atlasfeatureid", fet.id() );
QgsExpression::setSpecialColumn( "$atlasgeometry", QVariant::fromValue( *fet.geometry() ) );
emit coverageLayerChanged( layer );
}
bool QgsSimplifyFeature::simplifyPolygon( QgsFeature& polygonFeature, double tolerance )
{
QgsGeometry* polygon = polygonFeature.geometry();
if ( polygon->type() != QGis::Polygon )
{
return false;
}
QVector<QgsPoint> resultPoints = simplifyPoints( polygon->asPolygon()[0], tolerance );
//resultPoints.push_back(resultPoints[0]);
QVector<QgsPolyline> poly;
poly.append( resultPoints );
polygonFeature.setGeometry( QgsGeometry::fromPolygon( poly ) );
return true;
}
void QgsOverlayAnalyzer::intersectFeature( QgsFeature &f, QgsVectorFileWriter *vfw,
QgsVectorLayer *vl, QgsSpatialIndex *index )
{
if ( !f.hasGeometry() )
{
return;
}
QgsGeometry featureGeometry = f.geometry();
QgsGeometry intersectGeometry;
QgsFeature overlayFeature;
QList<QgsFeatureId> intersects = index->intersects( featureGeometry.boundingBox() );
QgsFeatureRequest req = QgsFeatureRequest().setFilterFids( intersects.toSet() );
QgsFeatureIterator intersectIt = vl->getFeatures( req );
QgsFeature outFeature;
while ( intersectIt.nextFeature( overlayFeature ) )
{
if ( featureGeometry.intersects( overlayFeature.geometry() ) )
{
intersectGeometry = featureGeometry.intersection( overlayFeature.geometry() );
outFeature.setGeometry( intersectGeometry );
QgsAttributes attributesA = f.attributes();
QgsAttributes attributesB = overlayFeature.attributes();
combineAttributeMaps( attributesA, attributesB );
outFeature.setAttributes( attributesA );
//add it to vector file writer
if ( vfw )
{
vfw->addFeature( outFeature );
}
}
}
}
bool QgsNullSymbolRenderer::renderFeature( QgsFeature &feature, QgsRenderContext &context, int layer, bool selected, bool drawVertexMarker )
{
//render selected features or features being edited only
if ( !selected && !drawVertexMarker )
{
return true;
}
if ( !feature.hasGeometry() ||
feature.geometry().type() == QgsWkbTypes::NullGeometry ||
feature.geometry().type() == QgsWkbTypes::UnknownGeometry )
return true;
if ( !mSymbol )
{
//create default symbol
mSymbol.reset( QgsSymbol::defaultSymbol( feature.geometry().type() ) );
mSymbol->startRender( context );
}
mSymbol->renderFeature( feature, context, layer, selected, drawVertexMarker, mCurrentVertexMarkerType, mCurrentVertexMarkerSize );
return true;
}
int QgsVectorLayerEditUtils::addRing( const QList<QgsPoint>& ring )
{
if ( !L->hasGeometryType() )
return 5;
int addRingReturnCode = 5; //default: return code for 'ring not inserted'
double xMin, yMin, xMax, yMax;
QgsRectangle bBox;
if ( boundingBoxFromPointList( ring, xMin, yMin, xMax, yMax ) == 0 )
{
bBox.setXMinimum( xMin ); bBox.setYMinimum( yMin );
bBox.setXMaximum( xMax ); bBox.setYMaximum( yMax );
}
else
{
return 3; //ring not valid
}
QgsFeatureIterator fit = L->getFeatures( QgsFeatureRequest().setFilterRect( bBox ).setFlags( QgsFeatureRequest::ExactIntersect ) );
QgsFeature f;
while ( fit.nextFeature( f ) )
{
addRingReturnCode = f.geometry()->addRing( ring );
if ( addRingReturnCode == 0 )
{
L->editBuffer()->changeGeometry( f.id(), f.geometry() );
//setModified( true, true );
break;
}
}
return addRingReturnCode;
}
QgsRectangle QgsFeatureSource::sourceExtent() const
{
QgsRectangle r;
QgsFeatureRequest req;
req.setNoAttributes();
QgsFeatureIterator it = getFeatures( req );
QgsFeature f;
while ( it.nextFeature( f ) )
{
if ( f.hasGeometry() )
r.combineExtentWith( f.geometry().boundingBox() );
}
return r;
}
void QgsGeometryGapCheck::collectErrors( QList<QgsGeometryCheckError*>& errors, QStringList &messages, QAtomicInt* progressCounter , const QgsFeatureIds &ids ) const
{
Q_ASSERT( mFeaturePool->getLayer()->geometryType() == QgsWkbTypes::PolygonGeometry );
if ( progressCounter ) progressCounter->fetchAndAddRelaxed( 1 );
// Collect geometries, build spatial index
QList<QgsAbstractGeometryV2*> geomList;
const QgsFeatureIds& featureIds = ids.isEmpty() ? mFeaturePool->getFeatureIds() : ids;
Q_FOREACH ( QgsFeatureId id, featureIds )
{
QgsFeature feature;
if ( mFeaturePool->get( id, feature ) )
{
geomList.append( feature.geometry().geometry()->clone() );
}
}
QgsFeature QgsMinimumEnclosingCircleAlgorithm::processFeature( const QgsFeature &feature, QgsProcessingContext &, QgsProcessingFeedback * )
{
QgsFeature f = feature;
if ( f.hasGeometry() )
{
double radius = 0;
QgsPointXY center;
QgsGeometry outputGeometry = f.geometry().minimalEnclosingCircle( center, radius, mSegments );
f.setGeometry( outputGeometry );
QgsAttributes attrs = f.attributes();
attrs << radius
<< M_PI *radius *radius;
f.setAttributes( attrs );
}
return f;
}
bool QgsVectorLayerEditUtils::moveVertex( const QgsPoint &p, QgsFeatureId atFeatureId, int atVertex )
{
if ( !mLayer->isSpatial() )
return false;
QgsFeature f;
if ( !mLayer->getFeatures( QgsFeatureRequest().setFilterFid( atFeatureId ).setSubsetOfAttributes( QgsAttributeList() ) ).nextFeature( f ) || !f.hasGeometry() )
return false; // geometry not found
QgsGeometry geometry = f.geometry();
geometry.moveVertex( p, atVertex );
mLayer->editBuffer()->changeGeometry( atFeatureId, geometry );
return true;
}
bool QgsVectorLayerEditUtils::insertVertex( double x, double y, QgsFeatureId atFeatureId, int beforeVertex )
{
if ( !mLayer->isSpatial() )
return false;
QgsFeature f;
if ( !mLayer->getFeatures( QgsFeatureRequest().setFilterFid( atFeatureId ).setSubsetOfAttributes( QgsAttributeList() ) ).nextFeature( f ) || !f.hasGeometry() )
return false; // geometry not found
QgsGeometry geometry = f.geometry();
geometry.insertVertex( x, y, beforeVertex );
mLayer->editBuffer()->changeGeometry( atFeatureId, geometry );
return true;
}
void QgsGeometryAnalyzer::bufferFeature( QgsFeature& f, int nProcessedFeatures, QgsVectorFileWriter* vfw, bool dissolve,
QgsGeometry& dissolveGeometry, double bufferDistance, int bufferDistanceField )
{
if ( !f.hasGeometry() )
{
return;
}
double currentBufferDistance;
QgsGeometry featureGeometry = f.geometry();
QgsGeometry bufferGeometry;
//create buffer
if ( bufferDistanceField == -1 )
{
currentBufferDistance = bufferDistance;
}
else
{
currentBufferDistance = f.attribute( bufferDistanceField ).toDouble();
}
bufferGeometry = featureGeometry.buffer( currentBufferDistance, 5 );
if ( dissolve )
{
if ( nProcessedFeatures == 0 )
{
dissolveGeometry = bufferGeometry;
}
else
{
dissolveGeometry = dissolveGeometry.combine( bufferGeometry );
}
}
else //dissolve
{
QgsFeature newFeature;
newFeature.setGeometry( bufferGeometry );
newFeature.setAttributes( f.attributes() );
//add it to vector file writer
if ( vfw )
{
vfw->addFeature( newFeature );
}
}
}
QVariantMap QgsExtractByExtentAlgorithm::processAlgorithm( const QVariantMap ¶meters, QgsProcessingContext &context, QgsProcessingFeedback *feedback )
{
std::unique_ptr< QgsFeatureSource > featureSource( parameterAsSource( parameters, QStringLiteral( "INPUT" ), context ) );
if ( !featureSource )
return QVariantMap();
QgsRectangle extent = parameterAsExtent( parameters, QStringLiteral( "EXTENT" ), context, featureSource->sourceCrs() );
bool clip = parameterAsBool( parameters, QStringLiteral( "CLIP" ), context );
// if clipping, we force multi output
QgsWkbTypes::Type outType = clip ? QgsWkbTypes::multiType( featureSource->wkbType() ) : featureSource->wkbType();
QString dest;
std::unique_ptr< QgsFeatureSink > sink( parameterAsSink( parameters, QStringLiteral( "OUTPUT" ), context, dest, featureSource->fields(), outType, featureSource->sourceCrs() ) );
if ( !sink )
return QVariantMap();
QgsGeometry clipGeom = parameterAsExtentGeometry( parameters, QStringLiteral( "EXTENT" ), context, featureSource->sourceCrs() );
double step = featureSource->featureCount() > 0 ? 100.0 / featureSource->featureCount() : 1;
QgsFeatureIterator inputIt = featureSource->getFeatures( QgsFeatureRequest().setFilterRect( extent ).setFlags( QgsFeatureRequest::ExactIntersect ) );
QgsFeature f;
int i = -1;
while ( inputIt.nextFeature( f ) )
{
i++;
if ( feedback->isCanceled() )
{
break;
}
if ( clip )
{
QgsGeometry g = f.geometry().intersection( clipGeom );
g.convertToMultiType();
f.setGeometry( g );
}
sink->addFeature( f, QgsFeatureSink::FastInsert );
feedback->setProgress( i * step );
}
QVariantMap outputs;
outputs.insert( QStringLiteral( "OUTPUT" ), dest );
return outputs;
}
void QgsLabel::labelPoint( std::vector<labelpoint>& points, QgsFeature & feature )
{
QgsGeometry *geometry = feature.geometry();
const unsigned char *geom = geometry->asWkb();
size_t geomlen = geometry->wkbSize();
QGis::WkbType wkbType = geometry->wkbType();
labelpoint point;
switch ( wkbType )
{
case QGis::WKBPoint25D:
case QGis::WKBPoint:
case QGis::WKBLineString25D:
case QGis::WKBLineString:
case QGis::WKBPolygon25D:
case QGis::WKBPolygon:
{
labelPoint( point, geom, geomlen );
points.push_back( point );
}
break;
case QGis::WKBMultiPoint25D:
case QGis::WKBMultiPoint:
case QGis::WKBMultiLineString25D:
case QGis::WKBMultiLineString:
case QGis::WKBMultiPolygon25D:
case QGis::WKBMultiPolygon:
// Return a position for each individual in the multi-feature
{
Q_ASSERT( 1 + sizeof( wkbType ) + sizeof( int ) <= geomlen );
geom += 1 + sizeof( wkbType );
int nFeatures = *( unsigned int * )geom;
geom += sizeof( int );
const unsigned char *feature = geom;
for ( int i = 0; i < nFeatures && feature; ++i )
{
feature = labelPoint( point, feature, geom + geomlen - feature );
points.push_back( point );
}
}
break;
default:
QgsDebugMsg( "Unknown geometry type of " + QString::number( wkbType ) );
}
}
QSGNode* FeatureListModelHighlight::updatePaintNode( QSGNode* n, QQuickItem::UpdatePaintNodeData* )
{
if ( mDirty && mMapSettings )
{
delete n;
n = new QSGNode;
int count = mModel->rowCount( QModelIndex() );
QgsSGGeometry* sn = 0;
QModelIndex firstIndex = mModel->index( 0, 0, QModelIndex() );
QgsVectorLayer* layer = mModel->data( firstIndex, MultiFeatureListModel::LayerRole ).value<QgsVectorLayer*>();
if ( layer )
{
QgsCoordinateTransform transf( layer->crs(), mMapSettings->destinationCrs() );
for ( int i = 0; i < count; ++i )
{
QgsSGGeometry* gn;
QModelIndex index = mModel->index( i, 0, QModelIndex() );
QgsFeature feature = mModel->data( index, MultiFeatureListModel::FeatureRole ).value<QgsFeature>();
QgsGeometry geom( feature.geometry() );
geom.transform( transf );
if ( mSelection && mSelection->selection() == i )
{
sn = new QgsSGGeometry( geom, mSelectionColor, mWidth );
sn->setFlag( QSGNode::OwnedByParent );
}
else
{
gn = new QgsSGGeometry( geom, mColor, mWidth );
gn->setFlag( QSGNode::OwnedByParent );
n->appendChildNode( gn );
}
}
if ( sn )
n->appendChildNode( sn );
}
mDirty = false;
}
return n;
}
void QgsSelectedFeature::updateGeometry( QgsGeometry *geom )
{
QgsDebugMsg( "Entering." );
delete mGeometry;
if ( !geom )
{
QgsFeature f;
mVlayer->featureAtId( mFeatureId, f );
mGeometry = new QgsGeometry( *f.geometry() );
}
else
{
mGeometry = new QgsGeometry( *geom );
}
}
void QgsSelectedFeature::updateGeometry( QgsGeometry *geom )
{
QgsDebugCall;
delete mGeometry;
if ( !geom )
{
QgsFeature f;
mVlayer->getFeatures( QgsFeatureRequest().setFilterFid( mFeatureId ) ).nextFeature( f );
mGeometry = new QgsGeometry( *f.geometry() );
}
else
{
mGeometry = new QgsGeometry( *geom );
}
}
void QgsPointSample::addSamplePoints( QgsFeature& inputFeature, QgsVectorFileWriter& writer, int nPoints, double minDistance )
{
if ( !inputFeature.hasGeometry() )
return;
QgsGeometry geom = inputFeature.geometry();
QgsRectangle geomRect = geom.boundingBox();
if ( geomRect.isEmpty() )
{
return;
}
QgsSpatialIndex sIndex; //to check minimum distance
QMap< QgsFeatureId, QgsPoint > pointMapForFeature;
int nIterations = 0;
int maxIterations = nPoints * 200;
int points = 0;
double randX = 0;
double randY = 0;
while ( nIterations < maxIterations && points < nPoints )
{
randX = (( double )mt_rand() / MD_RAND_MAX ) * geomRect.width() + geomRect.xMinimum();
randY = (( double )mt_rand() / MD_RAND_MAX ) * geomRect.height() + geomRect.yMinimum();
QgsPoint randPoint( randX, randY );
QgsGeometry ptGeom = QgsGeometry::fromPoint( randPoint );
if ( ptGeom.within( geom ) && checkMinDistance( randPoint, sIndex, minDistance, pointMapForFeature ) )
{
//add feature to writer
QgsFeature f( mNCreatedPoints );
f.setAttribute( QStringLiteral( "id" ), mNCreatedPoints + 1 );
f.setAttribute( QStringLiteral( "station_id" ), points + 1 );
f.setAttribute( QStringLiteral( "stratum_id" ), inputFeature.id() );
f.setGeometry( ptGeom );
writer.addFeature( f );
sIndex.insertFeature( f );
pointMapForFeature.insert( mNCreatedPoints, randPoint );
++points;
++mNCreatedPoints;
}
++nIterations;
}
}
void QgsGeometryCheck::replaceFeatureGeometryPart( QgsFeature& feature, int partIdx, QgsAbstractGeometryV2* newPartGeom, Changes& changes ) const
{
QgsAbstractGeometryV2* geom = feature.geometry()->geometry();
if ( dynamic_cast<QgsGeometryCollectionV2*>( geom ) )
{
QgsGeometryCollectionV2* GeomCollection = static_cast<QgsGeometryCollectionV2*>( geom );
GeomCollection->removeGeometry( partIdx );
GeomCollection->addGeometry( newPartGeom );
changes[feature.id()].append( Change( ChangeFeature, ChangeRemoved, QgsVertexId( partIdx ) ) );
changes[feature.id()].append( Change( ChangeFeature, ChangeAdded, QgsVertexId( GeomCollection->partCount() - 1 ) ) );
}
else
{
feature.setGeometry( new QgsGeometry( newPartGeom ) );
changes[feature.id()].append( Change( ChangeFeature, ChangeChanged ) );
}
mFeaturePool->updateFeature( feature );
}
void QgsLockedFeature::updateGeometry( const QgsGeometry *geom )
{
delete mGeometry;
if ( !geom )
{
QgsFeature f;
mLayer->getFeatures( QgsFeatureRequest().setFilterFid( mFeatureId ) ).nextFeature( f );
if ( f.hasGeometry() )
mGeometry = new QgsGeometry( f.geometry() );
else
mGeometry = new QgsGeometry();
}
else
{
mGeometry = new QgsGeometry( *geom );
}
}
QgsGeometry QgsGeometryAnalyzer::dissolveFeature( const QgsFeature& f, const QgsGeometry& dissolveInto )
{
if ( !f.hasGeometry() )
{
return dissolveInto;
}
QgsGeometry featureGeometry = f.geometry();
if ( dissolveInto.isEmpty() )
{
return featureGeometry;
}
else
{
return dissolveInto.combine( featureGeometry );
}
}
void QgsGeometryAnalyzer::centroidFeature( QgsFeature& f, QgsVectorFileWriter* vfw )
{
if ( !f.hasGeometry() )
{
return;
}
QgsGeometry featureGeometry = f.geometry();
QgsFeature newFeature;
newFeature.setGeometry( featureGeometry.centroid() );
newFeature.setAttributes( f.attributes() );
//add it to vector file writer
if ( vfw )
{
vfw->addFeature( newFeature );
}
}
int QgsVectorLayerEditUtils::translateFeature( QgsFeatureId featureId, double dx, double dy )
{
if ( !mLayer->isSpatial() )
return 1;
QgsFeature f;
if ( !mLayer->getFeatures( QgsFeatureRequest().setFilterFid( featureId ).setSubsetOfAttributes( QgsAttributeList() ) ).nextFeature( f ) || !f.hasGeometry() )
return 1; //geometry not found
QgsGeometry geometry = f.geometry();
int errorCode = geometry.translate( dx, dy );
if ( errorCode == 0 )
{
mLayer->editBuffer()->changeGeometry( featureId, geometry );
}
return errorCode;
}
void QgsGeometryAnalyzer::convexFeature( QgsFeature& f, int nProcessedFeatures, QgsGeometry& dissolveGeometry )
{
if ( !f.hasGeometry() )
{
return;
}
QgsGeometry featureGeometry = f.geometry();
QgsGeometry convexGeometry = featureGeometry.convexHull();
if ( nProcessedFeatures == 0 )
{
dissolveGeometry = convexGeometry;
}
else
{
dissolveGeometry = dissolveGeometry.combine( convexGeometry );
}
}
QgsGeometry QgsTransectSample::findBaselineGeometry( const QVariant& strataId )
{
if ( !mBaselineLayer )
{
return QgsGeometry();
}
QgsFeatureIterator baseLineIt = mBaselineLayer->getFeatures( QgsFeatureRequest().setSubsetOfAttributes( QStringList( mBaselineStrataId ), mBaselineLayer->fields() ) );
QgsFeature fet;
while ( baseLineIt.nextFeature( fet ) ) //todo: cache this in case there are many baslines
{
if ( strataId == fet.attribute( mBaselineStrataId ) || mShareBaseline )
{
return fet.geometry();
}
}
return QgsGeometry();
}
QgsFeatureList QgsFilterVerticesAlgorithmBase::processFeature( const QgsFeature &feature, QgsProcessingContext &context, QgsProcessingFeedback * )
{
QgsFeature f = feature;
if ( f.hasGeometry() )
{
QgsGeometry geometry = f.geometry();
double min = mMin;
if ( mDynamicMin )
min = mMinProperty.valueAsDouble( context.expressionContext(), std::numeric_limits<double>::quiet_NaN() );
double max = mMax;
if ( mDynamicMax )
max = mMaxProperty.valueAsDouble( context.expressionContext(), std::numeric_limits<double>::quiet_NaN() );
filter( geometry, min, max );
f.setGeometry( geometry );
}
return QgsFeatureList() << f;
}
void QgsVectorLayerFeatureIterator::useChangedAttributeFeature( QgsFeatureId fid, const QgsGeometry& geom, QgsFeature& f )
{
f.setFeatureId( fid );
f.setValid( true );
f.setFields( &L->mUpdatedFields );
if ( !( mRequest.flags() & QgsFeatureRequest::NoGeometry ) )
{
f.setGeometry( geom );
// simplify the edited geometry using its simplifier configured
if ( mEditGeometrySimplifier )
{
QgsGeometry* geometry = f.geometry();
QGis::GeometryType geometryType = geometry->type();
if ( geometryType == QGis::Line || geometryType == QGis::Polygon ) mEditGeometrySimplifier->simplifyGeometry( geometry );
}
}
bool subsetAttrs = ( mRequest.flags() & QgsFeatureRequest::SubsetOfAttributes );
if ( !subsetAttrs || ( subsetAttrs && mRequest.subsetOfAttributes().count() > 0 ) )
{
// retrieve attributes from provider
QgsFeature tmp;
//mDataProvider->featureAtId( fid, tmp, false, mFetchProvAttributes );
QgsFeatureRequest request;
request.setFilterFid( fid ).setFlags( QgsFeatureRequest::NoGeometry );
if ( subsetAttrs )
{
request.setSubsetOfAttributes( mProviderRequest.subsetOfAttributes() );
}
QgsFeatureIterator fi = L->dataProvider()->getFeatures( request );
if ( fi.nextFeature( tmp ) )
{
updateChangedAttributes( tmp );
f.setAttributes( tmp.attributes() );
}
}
if ( !mFetchJoinInfo.isEmpty() )
addJoinedAttributes( f );
}
void QgsGeometryMultipartCheck::fixError( const QMap<QString, QgsFeaturePool *> &featurePools, QgsGeometryCheckError *error, int method, const QMap<QString, int> & /*mergeAttributeIndices*/, Changes &changes ) const
{
QgsFeaturePool *featurePool = featurePools[ error->layerId() ];
QgsFeature feature;
if ( !featurePool->getFeature( error->featureId(), feature ) )
{
error->setObsolete();
return;
}
QgsGeometry featureGeom = feature.geometry();
const QgsAbstractGeometry *geom = featureGeom.constGet();
// Check if error still applies
if ( geom->partCount() > 1 || !QgsWkbTypes::isMultiType( geom->wkbType() ) )
{
error->setObsolete();
return;
}
// Fix error
if ( method == NoChange )
{
error->setFixed( method );
}
else if ( method == ConvertToSingle )
{
feature.setGeometry( QgsGeometry( QgsGeometryCheckerUtils::getGeomPart( geom, 0 )->clone() ) );
featurePool->updateFeature( feature );
error->setFixed( method );
changes[error->layerId()][feature.id()].append( Change( ChangeFeature, ChangeChanged ) );
}
else if ( method == RemoveObject )
{
featurePool->deleteFeature( feature.id() );
error->setFixed( method );
changes[error->layerId()][feature.id()].append( Change( ChangeFeature, ChangeRemoved ) );
}
else
{
error->setFixFailed( tr( "Unknown method" ) );
}
}
