-
-//=============================================================================
-/*!
- * Algo to run the computation of all the submeshes of a mesh in sequentila
- */
-//=============================================================================
-
-bool SMESH_Gen::sequentialComputeSubMeshes(
- SMESH_Mesh & aMesh,
- const TopoDS_Shape & aShape,
- const ::MeshDimension aDim,
- TSetOfInt* aShapesId /*=0*/,
- TopTools_IndexedMapOfShape* allowedSubShapes,
- SMESH_subMesh::compute_event &computeEvent,
- const bool includeSelf,
- const bool complexShapeFirst,
- const bool aShapeOnly)
-{
- MESSAGE("Compute submeshes sequentialy");
-
- bool ret = true;
-
- SMESH_subMeshIteratorPtr smIt;
- SMESH_subMesh *shapeSM = aMesh.GetSubMesh(aShape);
-
- smIt = shapeSM->getDependsOnIterator(includeSelf, !complexShapeFirst);
- while ( smIt->more() )
- {
- SMESH_subMesh* smToCompute = smIt->next();
-
- // do not mesh vertices of a pseudo shape
- const TopoDS_Shape& shape = smToCompute->GetSubShape();
- const TopAbs_ShapeEnum shapeType = shape.ShapeType();
- if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
- continue;
-
- // check for preview dimension limitations
- if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
- {
- // clear compute state not to show previous compute errors
- // if preview invoked less dimension less than previous
- smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
- continue;
- }
-
- if (smToCompute->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
- {
- if (_compute_canceled)
- return false;
- smToCompute->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
- setCurrentSubMesh( smToCompute );
- smToCompute->ComputeStateEngine( computeEvent );
- setCurrentSubMesh( nullptr );
- smToCompute->SetAllowedSubShapes( nullptr );
- }
-
- // we check all the sub-meshes here and detect if any of them failed to compute
- if (smToCompute->GetComputeState() == SMESH_subMesh::FAILED_TO_COMPUTE &&
- ( shapeType != TopAbs_EDGE || !SMESH_Algo::isDegenerated( TopoDS::Edge( shape ))))
- ret = false;
- else if ( aShapesId )
- aShapesId->insert( smToCompute->GetId() );
- }
- //aMesh.GetMeshDS()->Modified();
- return ret;
-
-};
-
-//=============================================================================
-/*
- * compute of a submesh
- * This function is passed to the thread pool
- */
-//=============================================================================
-const std::function<void(SMESH_subMesh*,
- SMESH_subMesh::compute_event,
- SMESH_subMesh*,
- bool,
- TopTools_IndexedMapOfShape *,
- TSetOfInt*)>
- compute_function([&] (SMESH_subMesh* sm,
- SMESH_subMesh::compute_event event,
- SMESH_subMesh *shapeSM,
- bool aShapeOnly,
- TopTools_IndexedMapOfShape *allowedSubShapes,
- TSetOfInt* aShapesId) -> void
-{
- if (sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
- {
- sm->SetAllowedSubShapes( fillAllowed( shapeSM, aShapeOnly, allowedSubShapes ));
- //setCurrentSubMesh( sm );
- sm->ComputeStateEngine(event);
- //setCurrentSubMesh( nullptr );
- sm->SetAllowedSubShapes( nullptr );
- }
-
- if ( aShapesId )
- aShapesId->insert( sm->GetId() );
-
-});
-
-//=============================================================================
-/*!
- * Algo to run the computation of all the submeshes of a mesh in parallel
- */
-//=============================================================================
-
-bool SMESH_Gen::parallelComputeSubMeshes(
- SMESH_Mesh & aMesh,
- const TopoDS_Shape & aShape,
- const ::MeshDimension aDim,
- TSetOfInt* aShapesId /*=0*/,
- TopTools_IndexedMapOfShape* allowedSubShapes,
- SMESH_subMesh::compute_event &computeEvent,
- const bool includeSelf,
- const bool complexShapeFirst,
- const bool aShapeOnly)
-{
-
- bool ret = true;
-
- SMESH_subMeshIteratorPtr smIt;
- SMESH_subMesh *shapeSM = aMesh.GetSubMesh(aShape);
-
- // Pool of thread for computation
- // TODO: move when parallelMesh created
- aMesh.InitPoolThreads();
-
- TopAbs_ShapeEnum previousShapeType = TopAbs_VERTEX;
- int nbThreads = aMesh.GetNbThreads();
- MESSAGE("Compute submeshes with threads: " << nbThreads);
-
-
- smIt = shapeSM->getDependsOnIterator(includeSelf, !complexShapeFirst);
- while ( smIt->more() )
- {
- SMESH_subMesh* smToCompute = smIt->next();
-
- // do not mesh vertices of a pseudo shape
- const TopoDS_Shape& shape = smToCompute->GetSubShape();
- const TopAbs_ShapeEnum shapeType = shape.ShapeType();
- // Not doing in parallel 1D and 2D meshes
- if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
- continue;
- if(shapeType==TopAbs_FACE||shapeType==TopAbs_EDGE)
- aMesh.SetNbThreads(0);
- else
- aMesh.SetNbThreads(nbThreads);
-
-
- if (shapeType != previousShapeType) {
- // Waiting for all threads for the previous type to end
- aMesh.wait();
-
- std::string file_name;
- switch(previousShapeType){
- case TopAbs_FACE:
- file_name = "Mesh2D.med";
- break;
- case TopAbs_EDGE:
- file_name = "Mesh1D.med";
- break;
- case TopAbs_VERTEX:
- file_name = "Mesh0D.med";
- break;
- case TopAbs_SOLID:
- default:
- file_name = "";
- break;
- }
- if(file_name != "")
- {
- fs::path mesh_file = fs::path(aMesh.tmp_folder) / fs::path(file_name);
- exportMesh(mesh_file.string(), aMesh, "MESH");
-
- }
- //Resetting threaded pool info
- previousShapeType = shapeType;
- }
-
- // check for preview dimension limitations
- if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
- {
- // clear compute state not to show previous compute errors
- // if preview invoked less dimension less than previous
- smToCompute->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
- continue;
- }
- boost::asio::post(*(aMesh._pool), std::bind(compute_function, smToCompute, computeEvent,
- shapeSM, aShapeOnly, allowedSubShapes,
- aShapesId));
- }
-
- // Waiting for the thread for Solids to finish
- aMesh.wait();
-
- aMesh.GetMeshDS()->Modified();
-
- return ret;
-};
-
-