void StdMeshers_CompositeSegment_1D::SetEventListener(SMESH_subMesh* subMesh)
{
// issue 0020279. Set "_alwaysComputed" flag to the submeshes of internal
// vertices of composite edge in order to avoid creation of vertices on
// them for the sake of stability.
// check if "_alwaysComputed" is not yet set
bool isAlwaysComputed = false;
SMESH_subMeshIteratorPtr smIt = subMesh->getDependsOnIterator(false,false);
while ( !isAlwaysComputed && smIt->more() )
isAlwaysComputed = smIt->next()->IsAlwaysComputed();
if ( !isAlwaysComputed )
{
// check if an edge is a part of a complex side
TopoDS_Face face;
TopoDS_Edge edge = TopoDS::Edge( subMesh->GetSubShape() );
auto_ptr< StdMeshers_FaceSide > side
( StdMeshers_CompositeSegment_1D::GetFaceSide(*subMesh->GetFather(),edge, face, false ));
if ( side->NbEdges() > 1 ) { // complex
// set _alwaysComputed to vertices
for ( int iE = 1; iE < side->NbEdges(); ++iE )
{
TopoDS_Vertex V = side->FirstVertex( iE );
SMESH_subMesh* sm = side->GetMesh()->GetSubMesh( V );
sm->SetIsAlwaysComputed( true );
}
}
}
// set listener that will remove _alwaysComputed from submeshes at algorithm change
subMesh->SetEventListener( _EventListener, 0, subMesh);
StdMeshers_Regular_1D::SetEventListener( subMesh );
}
void NETGENPlugin_Mesher::PrepareOCCgeometry(netgen::OCCGeometry& occgeo,
const TopoDS_Shape& shape,
SMESH_Mesh& mesh,
list< SMESH_subMesh* > * meshedSM)
{
BRepTools::Clean (shape);
try {
#if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
OCC_CATCH_SIGNALS;
#endif
BRepMesh_IncrementalMesh::BRepMesh_IncrementalMesh (shape, 0.01, true);
} catch (Standard_Failure) {
}
Bnd_Box bb;
BRepBndLib::Add (shape, bb);
double x1,y1,z1,x2,y2,z2;
bb.Get (x1,y1,z1,x2,y2,z2);
MESSAGE("shape bounding box:\n" <<
"(" << x1 << " " << y1 << " " << z1 << ") " <<
"(" << x2 << " " << y2 << " " << z2 << ")");
netgen::Point<3> p1 = netgen::Point<3> (x1,y1,z1);
netgen::Point<3> p2 = netgen::Point<3> (x2,y2,z2);
occgeo.boundingbox = netgen::Box<3> (p1,p2);
occgeo.shape = shape;
occgeo.changed = 1;
//occgeo.BuildFMap();
// fill maps of shapes of occgeo with not yet meshed subshapes
// get root submeshes
list< SMESH_subMesh* > rootSM;
if ( SMESH_subMesh* sm = mesh.GetSubMeshContaining( shape )) {
rootSM.push_back( sm );
}
else {
for ( TopoDS_Iterator it( shape ); it.More(); it.Next() )
rootSM.push_back( mesh.GetSubMesh( it.Value() ));
}
// add subshapes of empty submeshes
list< SMESH_subMesh* >::iterator rootIt = rootSM.begin(), rootEnd = rootSM.end();
for ( ; rootIt != rootEnd; ++rootIt ) {
SMESH_subMesh * root = *rootIt;
SMESH_subMeshIteratorPtr smIt = root->getDependsOnIterator(/*includeSelf=*/true,
/*complexShapeFirst=*/true);
// to find a right orientation of subshapes (PAL20462)
TopTools_IndexedMapOfShape subShapes;
TopExp::MapShapes(root->GetSubShape(), subShapes);
while ( smIt->more() ) {
SMESH_subMesh* sm = smIt->next();
if ( !meshedSM || sm->IsEmpty() ) {
TopoDS_Shape shape = sm->GetSubShape();
if ( shape.ShapeType() != TopAbs_VERTEX )
shape = subShapes( subShapes.FindIndex( shape ));// - shape->index->oriented shape
switch ( shape.ShapeType() ) {
case TopAbs_FACE : occgeo.fmap.Add( shape ); break;
case TopAbs_EDGE : occgeo.emap.Add( shape ); break;
case TopAbs_VERTEX: occgeo.vmap.Add( shape ); break;
case TopAbs_SOLID :occgeo.somap.Add( shape ); break;
default:;
}
}
// collect submeshes of meshed shapes
else if (meshedSM) {
meshedSM->push_back( sm );
}
}
}
occgeo.facemeshstatus.SetSize (occgeo.fmap.Extent());
occgeo.facemeshstatus = 0;
}
bool SMESH_Gen::GetAlgoState(SMESH_Mesh& theMesh,
const TopoDS_Shape& theShape,
list< TAlgoStateError > & theErrors)
{
//MESSAGE("SMESH_Gen::CheckAlgoState");
bool ret = true;
bool hasAlgo = false;
SMESH_subMesh* sm = theMesh.GetSubMesh(theShape);
const SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
TopoDS_Shape mainShape = meshDS->ShapeToMesh();
// -----------------
// get global algos
// -----------------
const SMESH_Algo* aGlobAlgoArr[] = {0,0,0,0};
const list<const SMESHDS_Hypothesis*>& listHyp = meshDS->GetHypothesis( mainShape );
list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
for ( ; it != listHyp.end(); it++)
{
const SMESHDS_Hypothesis * aHyp = *it;
if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
continue;
const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
ASSERT ( algo );
int dim = algo->GetDim();
aGlobAlgoArr[ dim ] = algo;
hasAlgo = true;
}
// --------------------------------------------------------
// info on algos that will be ignored because of ones that
// don't NeedDiscreteBoundary() attached to super-shapes,
// check that a conform mesh will be produced
// --------------------------------------------------------
// find a global algo possibly hiding sub-algos
int dim;
const SMESH_Algo* aGlobIgnoAlgo = 0;
for (dim = 3; dim > 0; dim--)
{
if (aGlobAlgoArr[ dim ] &&
!aGlobAlgoArr[ dim ]->NeedDiscreteBoundary() /*&&
!aGlobAlgoArr[ dim ]->SupportSubmeshes()*/ )
{
aGlobIgnoAlgo = aGlobAlgoArr[ dim ];
break;
}
}
set<SMESH_subMesh*> aCheckedSubs;
bool checkConform = ( !theMesh.IsNotConformAllowed() );
// loop on theShape and its sub-shapes
SMESH_subMeshIteratorPtr revItSub = sm->getDependsOnIterator( /*includeSelf=*/true,
/*complexShapeFirst=*/true);
while ( revItSub->more() )
{
SMESH_subMesh* smToCheck = revItSub->next();
if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
break;
if ( aCheckedSubs.insert( smToCheck ).second ) // not yet checked
if (!checkConformIgnoredAlgos (theMesh, smToCheck, aGlobIgnoAlgo,
0, checkConform, aCheckedSubs, theErrors))
ret = false;
if ( smToCheck->GetAlgoState() != SMESH_subMesh::NO_ALGO )
hasAlgo = true;
}
// ----------------------------------------------------------------
// info on missing hypothesis and find out if all needed algos are
// well defined
// ----------------------------------------------------------------
//MESSAGE( "---info on missing hypothesis and find out if all needed algos are");
// find max dim of global algo
int aTopAlgoDim = 0;
for (dim = 3; dim > 0; dim--)
{
if (aGlobAlgoArr[ dim ])
{
aTopAlgoDim = dim;
break;
}
}
bool checkNoAlgo = theMesh.HasShapeToMesh() ? bool( aTopAlgoDim ) : false;
bool globalChecked[] = { false, false, false, false };
// loop on theShape and its sub-shapes
aCheckedSubs.clear();
revItSub = sm->getDependsOnIterator( /*includeSelf=*/true, /*complexShapeFirst=*/true);
while ( revItSub->more() )
{
SMESH_subMesh* smToCheck = revItSub->next();
if ( smToCheck->GetSubShape().ShapeType() == TopAbs_VERTEX)
break;
if (!checkMissing (this, theMesh, smToCheck, aTopAlgoDim,
globalChecked, checkNoAlgo, aCheckedSubs, theErrors))
{
ret = false;
if (smToCheck->GetAlgoState() == SMESH_subMesh::NO_ALGO )
checkNoAlgo = false;
}
}
if ( !hasAlgo ) {
ret = false;
theErrors.push_back( TAlgoStateError() );
theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, theMesh.HasShapeToMesh() ? 1 : 3, true );
}
return ret;
}
static bool checkMissing(SMESH_Gen* aGen,
SMESH_Mesh& aMesh,
SMESH_subMesh* aSubMesh,
const int aTopAlgoDim,
bool* globalChecked,
const bool checkNoAlgo,
set<SMESH_subMesh*>& aCheckedMap,
list< SMESH_Gen::TAlgoStateError > & theErrors)
{
switch ( aSubMesh->GetSubShape().ShapeType() )
{
case TopAbs_EDGE:
case TopAbs_FACE:
case TopAbs_SOLID: break; // check this sub-mesh, it can be meshed
default:
return true; // not meshable sub-mesh
}
if ( aCheckedMap.count( aSubMesh ))
return true;
//MESSAGE("=====checkMissing");
int ret = true;
SMESH_Algo* algo = 0;
switch (aSubMesh->GetAlgoState())
{
case SMESH_subMesh::NO_ALGO: {
if (checkNoAlgo)
{
// should there be any algo?
int shapeDim = SMESH_Gen::GetShapeDim( aSubMesh->GetSubShape() );
if (aTopAlgoDim > shapeDim)
{
MESSAGE( "ERROR: " << shapeDim << "D algorithm is missing" );
ret = false;
theErrors.push_back( SMESH_Gen::TAlgoStateError() );
theErrors.back().Set( SMESH_Hypothesis::HYP_MISSING, shapeDim, true );
}
}
return ret;
}
case SMESH_subMesh::MISSING_HYP: {
// notify if an algo missing hyp is attached to aSubMesh
algo = aSubMesh->GetAlgo();
ASSERT( algo );
bool IsGlobalHypothesis = aGen->IsGlobalHypothesis( algo, aMesh );
if (!IsGlobalHypothesis || !globalChecked[ algo->GetDim() ])
{
TAlgoStateErrorName errName = SMESH_Hypothesis::HYP_MISSING;
SMESH_Hypothesis::Hypothesis_Status status;
algo->CheckHypothesis( aMesh, aSubMesh->GetSubShape(), status );
if ( status == SMESH_Hypothesis::HYP_BAD_PARAMETER ) {
MESSAGE( "ERROR: hypothesis of " << (IsGlobalHypothesis ? "Global " : "Local ")
<< "<" << algo->GetName() << "> has a bad parameter value");
errName = status;
} else if ( status == SMESH_Hypothesis::HYP_BAD_GEOMETRY ) {
MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
<< "<" << algo->GetName() << "> assigned to mismatching geometry");
errName = status;
} else {
MESSAGE( "ERROR: " << (IsGlobalHypothesis ? "Global " : "Local ")
<< "<" << algo->GetName() << "> misses some hypothesis");
}
if (IsGlobalHypothesis)
globalChecked[ algo->GetDim() ] = true;
theErrors.push_back( SMESH_Gen::TAlgoStateError() );
theErrors.back().Set( errName, algo, IsGlobalHypothesis );
}
ret = false;
break;
}
case SMESH_subMesh::HYP_OK:
algo = aSubMesh->GetAlgo();
ret = true;
if (!algo->NeedDiscreteBoundary())
{
SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
/*complexShapeFirst=*/false);
while ( itsub->more() )
aCheckedMap.insert( itsub->next() );
}
break;
default: ASSERT(0);
}
// do not check under algo that hides sub-algos or
// re-start checking NO_ALGO state
ASSERT (algo);
bool isTopLocalAlgo =
( aTopAlgoDim <= algo->GetDim() && !aGen->IsGlobalHypothesis( algo, aMesh ));
if (!algo->NeedDiscreteBoundary() || isTopLocalAlgo)
{
bool checkNoAlgo2 = ( algo->NeedDiscreteBoundary() );
SMESH_subMeshIteratorPtr itsub = aSubMesh->getDependsOnIterator( /*includeSelf=*/false,
/*complexShapeFirst=*/true);
while ( itsub->more() )
{
// sub-meshes should not be checked further more
SMESH_subMesh* sm = itsub->next();
if (isTopLocalAlgo)
{
//check algo on sub-meshes
int aTopAlgoDim2 = algo->GetDim();
if (!checkMissing (aGen, aMesh, sm, aTopAlgoDim2,
globalChecked, checkNoAlgo2, aCheckedMap, theErrors))
{
ret = false;
if (sm->GetAlgoState() == SMESH_subMesh::NO_ALGO )
checkNoAlgo2 = false;
}
}
aCheckedMap.insert( sm );
}
}
return ret;
}
static bool checkConformIgnoredAlgos(SMESH_Mesh& aMesh,
SMESH_subMesh* aSubMesh,
const SMESH_Algo* aGlobIgnoAlgo,
const SMESH_Algo* aLocIgnoAlgo,
bool & checkConform,
set<SMESH_subMesh*>& aCheckedMap,
list< SMESH_Gen::TAlgoStateError > & theErrors)
{
ASSERT( aSubMesh );
if ( aSubMesh->GetSubShape().ShapeType() == TopAbs_VERTEX)
return true;
bool ret = true;
const list<const SMESHDS_Hypothesis*>& listHyp =
aMesh.GetMeshDS()->GetHypothesis( aSubMesh->GetSubShape() );
list<const SMESHDS_Hypothesis*>::const_iterator it=listHyp.begin();
for ( ; it != listHyp.end(); it++)
{
const SMESHDS_Hypothesis * aHyp = *it;
if (aHyp->GetType() == SMESHDS_Hypothesis::PARAM_ALGO)
continue;
const SMESH_Algo* algo = dynamic_cast<const SMESH_Algo*> (aHyp);
ASSERT ( algo );
if ( aLocIgnoAlgo ) // algo is hidden by a local algo of upper dim
{
theErrors.push_back( SMESH_Gen::TAlgoStateError() );
theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, false );
INFOS( "Local <" << algo->GetName() << "> is hidden by local <"
<< aLocIgnoAlgo->GetName() << ">");
}
else
{
bool isGlobal = (aMesh.IsMainShape( aSubMesh->GetSubShape() ));
int dim = algo->GetDim();
int aMaxGlobIgnoDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->GetDim() : -1 );
bool isNeededDim = ( aGlobIgnoAlgo ? aGlobIgnoAlgo->NeedLowerHyps( dim ) : false );
if (( dim < aMaxGlobIgnoDim && !isNeededDim ) &&
( isGlobal || !aGlobIgnoAlgo->SupportSubmeshes() ))
{
// algo is hidden by a global algo
theErrors.push_back( SMESH_Gen::TAlgoStateError() );
theErrors.back().Set( SMESH_Hypothesis::HYP_HIDDEN_ALGO, algo, true );
INFOS( ( isGlobal ? "Global" : "Local" )
<< " <" << algo->GetName() << "> is hidden by global <"
<< aGlobIgnoAlgo->GetName() << ">");
}
else if ( !algo->NeedDiscreteBoundary() && !isGlobal)
{
// local algo is not hidden and hides algos on sub-shapes
if (checkConform && !aSubMesh->IsConform( algo ))
{
ret = false;
checkConform = false; // no more check conformity
INFOS( "ERROR: Local <" << algo->GetName() <<
"> would produce not conform mesh: "
"<Not Conform Mesh Allowed> hypotesis is missing");
theErrors.push_back( SMESH_Gen::TAlgoStateError() );
theErrors.back().Set( SMESH_Hypothesis::HYP_NOTCONFORM, algo, false );
}
// sub-algos will be hidden by a local <algo> if <algo> does not support sub-meshes
if ( algo->SupportSubmeshes() )
algo = 0;
SMESH_subMeshIteratorPtr revItSub =
aSubMesh->getDependsOnIterator( /*includeSelf=*/false, /*complexShapeFirst=*/true);
bool checkConform2 = false;
while ( revItSub->more() )
{
SMESH_subMesh* sm = revItSub->next();
checkConformIgnoredAlgos (aMesh, sm, aGlobIgnoAlgo,
algo, checkConform2, aCheckedMap, theErrors);
aCheckedMap.insert( sm );
}
}
}
}
return ret;
}
bool SMESH_Gen::Evaluate(SMESH_Mesh & aMesh,
const TopoDS_Shape & aShape,
MapShapeNbElems& aResMap,
const bool anUpward,
TSetOfInt* aShapesId)
{
MESSAGE("SMESH_Gen::Evaluate");
bool ret = true;
SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
const bool includeSelf = true;
const bool complexShapeFirst = true;
SMESH_subMeshIteratorPtr smIt;
if ( anUpward ) { // is called from below code here
// -----------------------------------------------
// mesh all the sub-shapes starting from vertices
// -----------------------------------------------
smIt = sm->getDependsOnIterator(includeSelf, !complexShapeFirst);
while ( smIt->more() ) {
SMESH_subMesh* smToCompute = smIt->next();
// do not mesh vertices of a pseudo shape
const TopAbs_ShapeEnum shapeType = smToCompute->GetSubShape().ShapeType();
//if ( !aMesh.HasShapeToMesh() && shapeType == TopAbs_VERTEX )
// continue;
if ( !aMesh.HasShapeToMesh() ) {
if( shapeType == TopAbs_VERTEX || shapeType == TopAbs_WIRE ||
shapeType == TopAbs_SHELL )
continue;
}
smToCompute->Evaluate(aResMap);
if( aShapesId )
aShapesId->insert( smToCompute->GetId() );
}
return ret;
}
else {
// -----------------------------------------------------------------
// apply algos that DO NOT require Discreteized boundaries and DO NOT
// support sub-meshes, starting from the most complex shapes
// and collect sub-meshes with algos that DO support sub-meshes
// -----------------------------------------------------------------
list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes;
smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
while ( smIt->more() ) {
SMESH_subMesh* smToCompute = smIt->next();
const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
const int aShapeDim = GetShapeDim( aSubShape );
if ( aShapeDim < 1 ) break;
SMESH_Algo* algo = GetAlgo( smToCompute );
if ( algo && !algo->NeedDiscreteBoundary() ) {
if ( algo->SupportSubmeshes() ) {
smWithAlgoSupportingSubmeshes.push_front( smToCompute );
}
else {
smToCompute->Evaluate(aResMap);
if ( aShapesId )
aShapesId->insert( smToCompute->GetId() );
}
}
}
// ------------------------------------------------------------
// sort list of meshes according to mesh order
// ------------------------------------------------------------
std::vector< SMESH_subMesh* > smVec( smWithAlgoSupportingSubmeshes.begin(),
smWithAlgoSupportingSubmeshes.end() );
aMesh.SortByMeshOrder( smVec );
// ------------------------------------------------------------
// compute sub-meshes under shapes with algos that DO NOT require
// Discreteized boundaries and DO support sub-meshes
// ------------------------------------------------------------
// start from lower shapes
for ( size_t i = 0; i < smVec.size(); ++i )
{
sm = smVec[i];
// get a shape the algo is assigned to
TopoDS_Shape algoShape;
if ( !GetAlgo( sm, & algoShape ))
continue; // strange...
// look for more local algos
smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
while ( smIt->more() ) {
SMESH_subMesh* smToCompute = smIt->next();
const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
const int aShapeDim = GetShapeDim( aSubShape );
if ( aShapeDim < 1 ) continue;
SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
filter
.And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
.And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( smToCompute, filter, true ))
{
if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
SMESH_Hypothesis::Hypothesis_Status status;
if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
// mesh a lower smToCompute starting from vertices
Evaluate( aMesh, aSubShape, aResMap, /*anUpward=*/true, aShapesId );
}
}
}
// ----------------------------------------------------------
// apply the algos that do not require Discreteized boundaries
// ----------------------------------------------------------
for ( size_t i = 0; i < smVec.size(); ++i )
{
sm = smVec[i];
sm->Evaluate(aResMap);
if ( aShapesId )
aShapesId->insert( sm->GetId() );
}
// -----------------------------------------------
// mesh the rest sub-shapes starting from vertices
// -----------------------------------------------
ret = Evaluate( aMesh, aShape, aResMap, /*anUpward=*/true, aShapesId );
}
MESSAGE( "VSR - SMESH_Gen::Evaluate() finished, OK = " << ret);
return ret;
}
bool SMESH_Gen::Compute(SMESH_Mesh & aMesh,
const TopoDS_Shape & aShape,
const bool aShapeOnly /*=false*/,
const bool anUpward /*=false*/,
const ::MeshDimension aDim /*=::MeshDim_3D*/,
TSetOfInt* aShapesId /*=0*/)
{
MESSAGE("SMESH_Gen::Compute");
MEMOSTAT;
bool ret = true;
SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
const bool includeSelf = true;
const bool complexShapeFirst = true;
const int globalAlgoDim = 100;
SMESH_subMeshIteratorPtr smIt;
// Fix of Issue 22150. Due to !BLSURF->OnlyUnaryInput(), BLSURF computes edges
// that must be computed by Projection 1D-2D when Projection asks to compute
// one face only.
SMESH_subMesh::compute_event computeEvent =
aShapeOnly ? SMESH_subMesh::COMPUTE_SUBMESH : SMESH_subMesh::COMPUTE;
if ( anUpward ) // is called from the below code in this method
{
// ===============================================
// Mesh all the sub-shapes starting from vertices
// ===============================================
smIt = sm->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;
setCurrentSubMesh( smToCompute );
smToCompute->ComputeStateEngine( computeEvent );
setCurrentSubMesh( NULL );
}
// 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;
}
else
{
// ================================================================
// Apply algos that do NOT require discreteized boundaries
// ("all-dimensional") and do NOT support sub-meshes, starting from
// the most complex shapes and collect sub-meshes with algos that
// DO support sub-meshes
// ================================================================
list< SMESH_subMesh* > smWithAlgoSupportingSubmeshes[4]; // for each dim
// map to sort sm with same dim algos according to dim of
// the shape the algo assigned to (issue 0021217).
// Other issues influenced the algo applying order:
// 21406, 21556, 21893, 20206
multimap< int, SMESH_subMesh* > shDim2sm;
multimap< int, SMESH_subMesh* >::reverse_iterator shDim2smIt;
TopoDS_Shape algoShape;
int prevShapeDim = -1, aShapeDim;
smIt = sm->getDependsOnIterator(includeSelf, complexShapeFirst);
while ( smIt->more() )
{
SMESH_subMesh* smToCompute = smIt->next();
if ( smToCompute->GetComputeState() != SMESH_subMesh::READY_TO_COMPUTE )
continue;
const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
aShapeDim = GetShapeDim( aSubShape );
if ( aShapeDim < 1 ) break;
// check for preview dimension limitations
if ( aShapesId && aShapeDim > (int)aDim )
continue;
SMESH_Algo* algo = GetAlgo( smToCompute, &algoShape );
if ( algo && !algo->NeedDiscreteBoundary() )
{
if ( algo->SupportSubmeshes() )
{
// reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
// so that more local algos to go first
if ( prevShapeDim != aShapeDim )
{
prevShapeDim = aShapeDim;
for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
if ( shDim2smIt->first == globalAlgoDim )
smWithAlgoSupportingSubmeshes[ aShapeDim ].push_back( shDim2smIt->second );
else
smWithAlgoSupportingSubmeshes[ aShapeDim ].push_front( shDim2smIt->second );
shDim2sm.clear();
}
// add smToCompute to shDim2sm map
if ( algoShape.IsSame( aMesh.GetShapeToMesh() ))
{
aShapeDim = globalAlgoDim; // to compute last
}
else
{
aShapeDim = GetShapeDim( algoShape );
if ( algoShape.ShapeType() == TopAbs_COMPOUND )
{
TopoDS_Iterator it( algoShape );
aShapeDim += GetShapeDim( it.Value() );
}
}
shDim2sm.insert( make_pair( aShapeDim, smToCompute ));
}
else // Compute w/o support of sub-meshes
{
if (_compute_canceled)
return false;
setCurrentSubMesh( smToCompute );
smToCompute->ComputeStateEngine( computeEvent );
setCurrentSubMesh( NULL );
if ( aShapesId )
aShapesId->insert( smToCompute->GetId() );
}
}
}
// reload sub-meshes from shDim2sm into smWithAlgoSupportingSubmeshes
for ( shDim2smIt = shDim2sm.rbegin(); shDim2smIt != shDim2sm.rend(); ++shDim2smIt )
if ( shDim2smIt->first == globalAlgoDim )
smWithAlgoSupportingSubmeshes[3].push_back( shDim2smIt->second );
else
smWithAlgoSupportingSubmeshes[0].push_front( shDim2smIt->second );
// ======================================================
// Apply all-dimensional algorithms supporing sub-meshes
// ======================================================
std::vector< SMESH_subMesh* > smVec;
for ( aShapeDim = 0; aShapeDim < 4; ++aShapeDim )
{
// ------------------------------------------------
// sort list of sub-meshes according to mesh order
// ------------------------------------------------
smVec.assign( smWithAlgoSupportingSubmeshes[ aShapeDim ].begin(),
smWithAlgoSupportingSubmeshes[ aShapeDim ].end() );
aMesh.SortByMeshOrder( smVec );
// ------------------------------------------------------------
// compute sub-meshes with local uni-dimensional algos under
// sub-meshes with all-dimensional algos
// ------------------------------------------------------------
// start from lower shapes
for ( size_t i = 0; i < smVec.size(); ++i )
{
sm = smVec[i];
// get a shape the algo is assigned to
if ( !GetAlgo( sm, & algoShape ))
continue; // strange...
// look for more local algos
smIt = sm->getDependsOnIterator(!includeSelf, !complexShapeFirst);
while ( smIt->more() )
{
SMESH_subMesh* smToCompute = smIt->next();
const TopoDS_Shape& aSubShape = smToCompute->GetSubShape();
const int aShapeDim = GetShapeDim( aSubShape );
//if ( aSubShape.ShapeType() == TopAbs_VERTEX ) continue;
if ( aShapeDim < 1 ) continue;
// check for preview dimension limitations
if ( aShapesId && GetShapeDim( aSubShape.ShapeType() ) > (int)aDim )
continue;
SMESH_HypoFilter filter( SMESH_HypoFilter::IsAlgo() );
filter
.And( SMESH_HypoFilter::IsApplicableTo( aSubShape ))
.And( SMESH_HypoFilter::IsMoreLocalThan( algoShape, aMesh ));
if ( SMESH_Algo* subAlgo = (SMESH_Algo*) aMesh.GetHypothesis( smToCompute, filter, true))
{
if ( ! subAlgo->NeedDiscreteBoundary() ) continue;
SMESH_Hypothesis::Hypothesis_Status status;
if ( subAlgo->CheckHypothesis( aMesh, aSubShape, status ))
// mesh a lower smToCompute starting from vertices
Compute( aMesh, aSubShape, aShapeOnly, /*anUpward=*/true, aDim, aShapesId );
}
}
}
// --------------------------------
// apply the all-dimensional algos
// --------------------------------
for ( size_t i = 0; i < smVec.size(); ++i )
{
sm = smVec[i];
if ( sm->GetComputeState() == SMESH_subMesh::READY_TO_COMPUTE)
{
const TopAbs_ShapeEnum shapeType = sm->GetSubShape().ShapeType();
// check for preview dimension limitations
if ( aShapesId && GetShapeDim( shapeType ) > (int)aDim )
continue;
if (_compute_canceled)
return false;
setCurrentSubMesh( sm );
sm->ComputeStateEngine( computeEvent );
setCurrentSubMesh( NULL );
if ( aShapesId )
aShapesId->insert( sm->GetId() );
}
}
} // loop on shape dimensions
// -----------------------------------------------
// mesh the rest sub-shapes starting from vertices
// -----------------------------------------------
ret = Compute( aMesh, aShape, aShapeOnly, /*anUpward=*/true, aDim, aShapesId );
}
MESSAGE( "VSR - SMESH_Gen::Compute() finished, OK = " << ret);
MEMOSTAT;
SMESHDS_Mesh *myMesh = aMesh.GetMeshDS();
MESSAGE("*** compactMesh after compute");
myMesh->compactMesh();
// fix quadratic mesh by bending iternal links near concave boundary
if ( aShape.IsSame( aMesh.GetShapeToMesh() ) &&
!aShapesId && // not preview
ret ) // everything is OK
{
SMESH_MesherHelper aHelper( aMesh );
if ( aHelper.IsQuadraticMesh() != SMESH_MesherHelper::LINEAR )
{
aHelper.FixQuadraticElements( sm->GetComputeError() );
}
}
return ret;
}
