void QgsGeometryTypeCheck::fixError( QgsGeometryCheckError *error, int method, const QMap<QString, int> & /*mergeAttributeIndices*/, Changes &changes ) const { QgsFeaturePool *featurePool = mContext->featurePools[ error->layerId() ]; QgsFeature feature; if ( !featurePool->get( error->featureId(), feature ) ) { error->setObsolete(); return; } QgsGeometry featureGeom = feature.geometry(); const QgsAbstractGeometry *geom = featureGeom.constGet(); // Check if error still applies QgsWkbTypes::Type type = QgsWkbTypes::flatType( geom->wkbType() ); if ( ( mAllowedTypes & ( 1 << type ) ) != 0 ) { error->setObsolete(); return; } // Fix with selected method if ( method == NoChange ) { error->setFixed( method ); } else if ( method == Convert ) { // Check if corresponding single type is allowed if ( QgsWkbTypes::isMultiType( type ) && ( ( 1 << QgsWkbTypes::singleType( type ) ) & mAllowedTypes ) != 0 ) { // Explode multi-type feature into single-type features for ( int iPart = 1, nParts = geom->partCount(); iPart < nParts; ++iPart ) { QgsFeature newFeature; newFeature.setAttributes( feature.attributes() ); newFeature.setGeometry( QgsGeometry( QgsGeometryCheckerUtils::getGeomPart( geom, iPart )->clone() ) ); featurePool->addFeature( newFeature ); changes[error->layerId()][newFeature.id()].append( Change( ChangeFeature, ChangeAdded ) ); } // Recycle feature for part 0 feature.setGeometry( QgsGeometry( QgsGeometryCheckerUtils::getGeomPart( geom, 0 )->clone() ) ); featurePool->updateFeature( feature ); changes[error->layerId()][feature.id()].append( Change( ChangeFeature, ChangeChanged ) ); } // Check if corresponding multi type is allowed else if ( QgsWkbTypes::isSingleType( type ) && ( ( 1 << QgsWkbTypes::multiType( type ) ) & mAllowedTypes ) != 0 ) { QgsGeometryCollection *geomCollection = nullptr; switch ( QgsWkbTypes::multiType( type ) ) { case QgsWkbTypes::MultiPoint: { geomCollection = new QgsMultiPoint(); break; } case QgsWkbTypes::MultiLineString: { geomCollection = new QgsMultiLineString(); break; } case QgsWkbTypes::MultiPolygon: { geomCollection = new QgsMultiPolygon(); break; } case QgsWkbTypes::MultiCurve: { geomCollection = new QgsMultiCurve(); break; } case QgsWkbTypes::MultiSurface: { geomCollection = new QgsMultiSurface(); break; } default: break; } if ( !geomCollection ) { error->setFixFailed( tr( "Unknown geometry type" ) ); } else { geomCollection->addGeometry( geom->clone() ); feature.setGeometry( QgsGeometry( geomCollection ) ); featurePool->updateFeature( feature ); changes[error->layerId()][feature.id()].append( Change( ChangeFeature, ChangeChanged ) ); } } // Delete feature else { featurePool->deleteFeature( feature.id() ); changes[error->layerId()][error->featureId()].append( Change( ChangeFeature, ChangeRemoved ) ); } error->setFixed( method ); } else if ( method == Delete ) { featurePool->deleteFeature( feature.id() ); error->setFixed( method ); changes[error->layerId()][error->featureId()].append( Change( ChangeFeature, ChangeRemoved ) ); } else { error->setFixFailed( tr( "Unknown method" ) ); } }
void QgsGeometrySelfIntersectionCheck::fixError( QgsGeometryCheckError *error, int method, const QMap<QString, int> & /*mergeAttributeIndices*/, Changes &changes ) const { QgsFeaturePool *featurePool = mContext->featurePools[ error->layerId() ]; QgsFeature feature; if ( !featurePool->getFeature( error->featureId(), feature ) ) { error->setObsolete(); return; } QgsGeometry featureGeom = feature.geometry(); QgsAbstractGeometry *geom = featureGeom.get(); QgsVertexId vidx = error->vidx(); // Check if ring still exists if ( !vidx.isValid( geom ) ) { error->setObsolete(); return; } const QgsGeometryUtils::SelfIntersection &inter = static_cast<QgsGeometrySelfIntersectionCheckError *>( error )->intersection(); // Check if error still applies bool ringIsClosed = false; int nVerts = QgsGeometryCheckerUtils::polyLineSize( geom, vidx.part, vidx.ring, &ringIsClosed ); if ( nVerts == 0 || inter.segment1 >= nVerts || inter.segment2 >= nVerts ) { error->setObsolete(); return; } QgsPoint p1 = geom->vertexAt( QgsVertexId( vidx.part, vidx.ring, inter.segment1 ) ); QgsPoint q1 = geom->vertexAt( QgsVertexId( vidx.part, vidx.ring, inter.segment2 ) ); QgsPoint p2 = geom->vertexAt( QgsVertexId( vidx.part, vidx.ring, ( inter.segment1 + 1 ) % nVerts ) ); QgsPoint q2 = geom->vertexAt( QgsVertexId( vidx.part, vidx.ring, ( inter.segment2 + 1 ) % nVerts ) ); QgsPoint s; bool intersection = false; if ( !QgsGeometryUtils::segmentIntersection( p1, p2, q1, q2, s, intersection, mContext->tolerance ) ) { error->setObsolete(); return; } // Fix with selected method if ( method == NoChange ) { error->setFixed( method ); } else if ( method == ToMultiObject || method == ToSingleObjects ) { // Extract rings QgsPointSequence ring1, ring2; bool ring1EndsWithS = false; bool ring2EndsWithS = false; for ( int i = 0; i < nVerts; ++i ) { if ( i <= inter.segment1 || i >= inter.segment2 + 1 ) { ring1.append( geom->vertexAt( QgsVertexId( vidx.part, vidx.ring, i ) ) ); ring1EndsWithS = false; if ( i == inter.segment2 + 1 ) { ring2.append( s ); ring2EndsWithS = true; } } else { ring2.append( geom->vertexAt( QgsVertexId( vidx.part, vidx.ring, i ) ) ); ring2EndsWithS = true; if ( i == inter.segment1 + 1 ) { ring1.append( s ); ring1EndsWithS = false; } } } if ( nVerts == inter.segment2 + 1 ) { ring2.append( s ); ring2EndsWithS = true; } if ( ringIsClosed || ring1EndsWithS ) ring1.append( ring1.front() ); // Ensure ring is closed if ( ringIsClosed || ring2EndsWithS ) ring2.append( ring2.front() ); // Ensure ring is closed if ( ring1.size() < 3 + ( ringIsClosed || ring1EndsWithS ) || ring2.size() < 3 + ( ringIsClosed || ring2EndsWithS ) ) { error->setFixFailed( tr( "Resulting geometry is degenerate" ) ); return; } QgsLineString *ringGeom1 = new QgsLineString(); ringGeom1->setPoints( ring1 ); QgsLineString *ringGeom2 = new QgsLineString(); ringGeom2->setPoints( ring2 ); QgsAbstractGeometry *part = QgsGeometryCheckerUtils::getGeomPart( geom, vidx.part ); // If is a polygon... if ( dynamic_cast<QgsCurvePolygon *>( part ) ) { QgsCurvePolygon *poly = static_cast<QgsCurvePolygon *>( part ); // If self-intersecting ring is an interior ring, create separate holes if ( vidx.ring > 0 ) { poly->removeInteriorRing( vidx.ring ); poly->addInteriorRing( ringGeom1 ); poly->addInteriorRing( ringGeom2 ); changes[error->layerId()][feature.id()].append( Change( ChangeRing, ChangeRemoved, vidx ) ); changes[error->layerId()][feature.id()].append( Change( ChangeRing, ChangeAdded, QgsVertexId( vidx.part, poly->ringCount() - 2 ) ) ); changes[error->layerId()][feature.id()].append( Change( ChangeRing, ChangeAdded, QgsVertexId( vidx.part, poly->ringCount() - 1 ) ) ); feature.setGeometry( featureGeom ); featurePool->updateFeature( feature ); } else { // If ring is exterior, build two polygons, and reassign interiors as necessary poly->setExteriorRing( ringGeom1 ); // If original feature was a linear polygon, also create the new part as a linear polygon QgsCurvePolygon *poly2 = dynamic_cast<QgsPolygon *>( part ) ? new QgsPolygon() : new QgsCurvePolygon(); poly2->setExteriorRing( ringGeom2 ); // Reassing interiors as necessary std::unique_ptr< QgsGeometryEngine > geomEnginePoly1 = QgsGeometryCheckerUtils::createGeomEngine( poly, mContext->tolerance ); std::unique_ptr< QgsGeometryEngine > geomEnginePoly2 = QgsGeometryCheckerUtils::createGeomEngine( poly2, mContext->tolerance ); for ( int n = poly->numInteriorRings(), i = n - 1; i >= 0; --i ) { if ( !geomEnginePoly1->contains( poly->interiorRing( i ) ) ) { if ( geomEnginePoly2->contains( poly->interiorRing( i ) ) ) { poly2->addInteriorRing( static_cast<QgsCurve *>( poly->interiorRing( i )->clone() ) ); // No point in adding ChangeAdded changes, since the entire poly2 is added anyways later on } poly->removeInteriorRing( i ); changes[error->layerId()][feature.id()].append( Change( ChangeRing, ChangeRemoved, QgsVertexId( vidx.part, 1 + i ) ) ); } } if ( method == ToMultiObject ) { // If is already a geometry collection, just add the new polygon. if ( dynamic_cast<QgsGeometryCollection *>( geom ) ) { static_cast<QgsGeometryCollection *>( geom )->addGeometry( poly2 ); changes[error->layerId()][feature.id()].append( Change( ChangeRing, ChangeChanged, QgsVertexId( vidx.part, vidx.ring ) ) ); changes[error->layerId()][feature.id()].append( Change( ChangePart, ChangeAdded, QgsVertexId( geom->partCount() - 1 ) ) ); feature.setGeometry( featureGeom ); featurePool->updateFeature( feature ); } // Otherwise, create multipolygon else { QgsMultiPolygon *multiPoly = new QgsMultiPolygon(); multiPoly->addGeometry( poly->clone() ); multiPoly->addGeometry( poly2 ); feature.setGeometry( QgsGeometry( multiPoly ) ); featurePool->updateFeature( feature ); changes[error->layerId()][feature.id()].append( Change( ChangeFeature, ChangeChanged ) ); } } else // if ( method == ToSingleObjects ) { QgsFeature newFeature; newFeature.setAttributes( feature.attributes() ); newFeature.setGeometry( QgsGeometry( poly2 ) ); feature.setGeometry( featureGeom ); featurePool->updateFeature( feature ); featurePool->addFeature( newFeature ); changes[error->layerId()][feature.id()].append( Change( ChangeRing, ChangeChanged, QgsVertexId( vidx.part, vidx.ring ) ) ); changes[error->layerId()][newFeature.id()].append( Change( ChangeFeature, ChangeAdded ) ); } } } else if ( dynamic_cast<QgsCurve *>( part ) ) { if ( method == ToMultiObject ) { if ( dynamic_cast<QgsGeometryCollection *>( geom ) ) { QgsGeometryCollection *geomCollection = static_cast<QgsGeometryCollection *>( geom ); geomCollection->removeGeometry( vidx.part ); geomCollection->addGeometry( ringGeom1 ); geomCollection->addGeometry( ringGeom2 ); feature.setGeometry( featureGeom ); featurePool->updateFeature( feature ); changes[error->layerId()][feature.id()].append( Change( ChangePart, ChangeRemoved, QgsVertexId( vidx.part ) ) ); changes[error->layerId()][feature.id()].append( Change( ChangePart, ChangeAdded, QgsVertexId( geomCollection->partCount() - 2 ) ) ); changes[error->layerId()][feature.id()].append( Change( ChangePart, ChangeAdded, QgsVertexId( geomCollection->partCount() - 1 ) ) ); } else { QgsMultiCurve *geomCollection = new QgsMultiLineString(); geomCollection->addGeometry( ringGeom1 ); geomCollection->addGeometry( ringGeom2 ); feature.setGeometry( QgsGeometry( geomCollection ) ); featurePool->updateFeature( feature ); changes[error->layerId()][feature.id()].append( Change( ChangeFeature, ChangeChanged ) ); } } else // if(method == ToSingleObjects) { if ( dynamic_cast<QgsGeometryCollection *>( geom ) ) { QgsGeometryCollection *geomCollection = static_cast<QgsGeometryCollection *>( geom ); geomCollection->removeGeometry( vidx.part ); geomCollection->addGeometry( ringGeom1 ); feature.setGeometry( featureGeom ); featurePool->updateFeature( feature ); changes[error->layerId()][feature.id()].append( Change( ChangePart, ChangeRemoved, QgsVertexId( vidx.part ) ) ); changes[error->layerId()][feature.id()].append( Change( ChangePart, ChangeAdded, QgsVertexId( geomCollection->partCount() - 1 ) ) ); } else { feature.setGeometry( QgsGeometry( ringGeom1 ) ); featurePool->updateFeature( feature ); changes[error->layerId()][feature.id()].append( Change( ChangeFeature, ChangeChanged, QgsVertexId( vidx.part ) ) ); } QgsFeature newFeature; newFeature.setAttributes( feature.attributes() ); newFeature.setGeometry( QgsGeometry( ringGeom2 ) ); featurePool->addFeature( newFeature ); changes[error->layerId()][newFeature.id()].append( Change( ChangeFeature, ChangeAdded ) ); } } else { delete ringGeom1; delete ringGeom2; } error->setFixed( method ); } else { error->setFixFailed( tr( "Unknown method" ) ); } }