- SMESH_subMeshIteratorPtr smIt2 = getDependsOnIterator(false,true);
- while ( smIt2->more() )
- smToKeep.insert( smIt2->next() );
+ const bool sameShapeType = ( prevShapeType == sm->GetSubShape().ShapeType() );
+ bool keepSubMeshes = ( sameShapeType && toKeepPrevShapeType );
+ if ( !sameShapeType )
+ {
+ // check if the algo allows presence of global algos of dimension the algo
+ // can generate it-self
+ int shapeDim = SMESH_Gen::GetShapeDim( sm->GetSubShape() );
+ keepSubMeshes = algoRequiringCleaning->NeedLowerHyps( shapeDim );
+ prevShapeType = sm->GetSubShape().ShapeType();
+ toKeepPrevShapeType = keepSubMeshes;
+ }
+ if ( !keepSubMeshes )
+ {
+ // look for an algo assigned to sm
+ bool algoFound = false;
+ const list<const SMESHDS_Hypothesis*>& hyps = meshDS->GetHypothesis( sm->_subShape );
+ list<const SMESHDS_Hypothesis*>::const_iterator h = hyps.begin();
+ for ( ; ( !algoFound && h != hyps.end() ); ++h )
+ algoFound = ((*h)->GetType() != SMESHDS_Hypothesis::PARAM_ALGO );
+ keepSubMeshes = algoFound;
+ }
+ // remember all sub-meshes of sm
+ if ( keepSubMeshes )
+ {
+ SMESH_subMeshIteratorPtr smIt2 = getDependsOnIterator(false,true);
+ while ( smIt2->more() )
+ smToKeep.insert( smIt2->next() );
+ }