//=======================================================================
//function : CorrectWires
//purpose :
//=======================================================================
Standard_Boolean GEOMAlgo_Tools::CorrectWires(const TopoDS_Shape& aShape)
{
Standard_Boolean bRet;
TopoDS_Iterator aItF;
TopExp_Explorer aExp;
TopTools_MapOfShape aMF;
GeomAdaptor_Surface aGAS;
GeomAbs_SurfaceType aTS;
TopLoc_Location aLoc;
//
bRet=Standard_False;
//
aExp.Init(aShape, TopAbs_FACE);
for (; aExp.More(); aExp.Next()) {
const TopoDS_Face& aF=*((TopoDS_Face*)&aExp.Current());
if (aMF.Add(aF)) {
const Handle(Geom_Surface)& aS=BRep_Tool::Surface(aF, aLoc);
aGAS.Load(aS);
aTS=aGAS.GetType();
if (aTS==GeomAbs_Cylinder || aTS==GeomAbs_Plane) {
aItF.Initialize(aF);
for (; aItF.More(); aItF.Next()) {
const TopoDS_Wire& aW=*((TopoDS_Wire*)&aItF.Value());
if (CorrectWire(aW, aF)) {
bRet=Standard_True;
}
}
}
}
}
return bRet;
}
//=======================================================================
//function : FillContainers
//purpose :
//=======================================================================
void GEOMAlgo_Gluer2::FillContainers(const TopAbs_ShapeEnum aType)
{
Standard_Boolean bHasImage, bToReverse;
Standard_Integer i, aNbW;
TopoDS_Shape aWnew, aEnew;
TopoDS_Iterator aItS;
BRep_Builder aBB;
TopTools_IndexedMapOfShape aMW;
TopTools_MapOfShape aMFence;
//
myErrorStatus=0;
myWarningStatus=0;
//
TopExp::MapShapes(myArgument, aType, aMW);
//
aNbW=aMW.Extent();
for (i=1; i<=aNbW; ++i) {
const TopoDS_Shape& aW=aMW(i);
//
if (!aMFence.Add(aW)) {
continue;
}
//
bHasImage=HasImage(aW);
if (!bHasImage) {
continue;
}
//
GEOMAlgo_Tools3D::MakeContainer(aType, aWnew);
aWnew.Orientation(aW.Orientation());
//
aItS.Initialize(aW);
for (; aItS.More(); aItS.Next()) {
const TopoDS_Shape& aE=aItS.Value();
if (myOrigins.IsBound(aE)) {
aEnew=myOrigins.Find(aE);
//
bToReverse=GEOMAlgo_Tools3D::IsSplitToReverse(aEnew, aE, myContext);
if (bToReverse) {
aEnew.Reverse();
}
//
aBB.Add(aWnew, aEnew);
}
else {
aBB.Add(aWnew, aE);
}
}
//
//myImages / myOrigins
TopTools_ListOfShape aLSD;
//
aLSD.Append(aW);
myImages.Bind(aWnew, aLSD);
myOrigins.Bind(aW, aWnew);
//
}//for (i=1; i<=aNbE; ++i) {
}
//=======================================================================
//function : FillBRepShapes
//purpose :
//=======================================================================
void GEOMAlgo_Gluer2::FillBRepShapes(const TopAbs_ShapeEnum theType)
{
Standard_Boolean bHasImage, bIsToWork;
Standard_Integer i, aNbE;
TopoDS_Iterator aItS;
TopoDS_Shape aEnew;
TopTools_IndexedMapOfShape aME;
TopTools_MapOfShape aMFence;
TopTools_ListIteratorOfListOfShape aItLS;
//
myErrorStatus=0;
myWarningStatus=0;
//
TopExp::MapShapes(myArgument, theType, aME);
//
aNbE=aME.Extent();
for (i=1; i<=aNbE; ++i) {
const TopoDS_Shape& aE=aME(i);
//
if (!aMFence.Add(aE)) {
continue;
}
//
bIsToWork=myOriginsToWork.IsBound(aE);
bHasImage=HasImage(aE);
if (!bHasImage && !bIsToWork) {
continue;
}
//
MakeBRepShapes(aE, aEnew);
//
//myImages / myOrigins
if (bIsToWork) {
const TopoDS_Shape& aSkey=myOriginsToWork.Find(aE);
const TopTools_ListOfShape& aLSD=myImagesToWork.Find(aSkey);
//
myImages.Bind(aEnew, aLSD);
//
aItLS.Initialize(aLSD);
for (; aItLS.More(); aItLS.Next()) {
const TopoDS_Shape& aEx=aItLS.Value();
myOrigins.Bind(aEx, aEnew);
//
aMFence.Add(aEx);
}
}
else {
TopTools_ListOfShape aLSD;
//
aLSD.Append(aE);
myImages.Bind(aEnew, aLSD);
myOrigins.Bind(aE, aEnew);
}
}//for (i=1; i<=aNbF; ++i) {
}
int SMESH_MesherHelper::NbAncestors(const TopoDS_Shape& shape,
const SMESH_Mesh& mesh,
TopAbs_ShapeEnum ancestorType/*=TopAbs_SHAPE*/)
{
TopTools_MapOfShape ancestors;
TopTools_ListIteratorOfListOfShape ansIt( mesh.GetAncestors(shape) );
for ( ; ansIt.More(); ansIt.Next() ) {
if ( ancestorType == TopAbs_SHAPE || ansIt.Value().ShapeType() == ancestorType )
ancestors.Add( ansIt.Value() );
}
return ancestors.Extent();
}
//=======================================================================
//function : SupressFaces
//purpose :
//=======================================================================
void SuppressFacesRec (const TopTools_SequenceOfShape& theShapesFaces,
const TopoDS_Shape& theOriginalShape,
TopoDS_Shape& theOutShape)
{
if ((theOriginalShape.ShapeType() != TopAbs_COMPOUND &&
theOriginalShape.ShapeType() != TopAbs_COMPSOLID))
{
ShHealOper_RemoveFace aHealer (theOriginalShape);
Standard_Boolean aResult = aHealer.Perform(theShapesFaces);
if (aResult)
theOutShape = aHealer.GetResultShape();
else
raiseNotDoneExeption(aHealer.GetErrorStatus());
}
else
{
BRep_Builder BB;
TopoDS_Compound CC;
BB.MakeCompound(CC);
TopTools_MapOfShape mapShape;
TopoDS_Iterator It (theOriginalShape, Standard_True, Standard_True);
for (; It.More(); It.Next()) {
TopoDS_Shape aShape_i = It.Value();
if (mapShape.Add(aShape_i)) {
// check, if current shape contains at least one of faces to be removed
bool isFound = false;
TopTools_IndexedMapOfShape aShapes_i;
TopExp::MapShapes(aShape_i, aShapes_i);
for (int i = 1; i <= theShapesFaces.Length() && !isFound; i++) {
const TopoDS_Shape& aFace_i = theShapesFaces.Value(i);
if (aShapes_i.Contains(aFace_i)) isFound = true;
}
if (isFound) {
TopoDS_Shape anOutSh_i;
SuppressFacesRec(theShapesFaces, aShape_i, anOutSh_i);
if ( !anOutSh_i.IsNull() )
BB.Add(CC, anOutSh_i);
}
else {
// nothing to do
BB.Add(CC, aShape_i);
}
}
}
theOutShape = CC;
}
}
//=======================================================================
//function : MakeInternalWires
//purpose :
//=======================================================================
void MakeInternalWires(const TopTools_MapOfShape& theME,
TopTools_ListOfShape& theWires)
{
TopTools_MapIteratorOfMapOfShape aItM;
TopTools_MapOfShape aAddedMap;
TopTools_ListIteratorOfListOfShape aItE;
TopTools_IndexedDataMapOfShapeListOfShape aMVE;
BRep_Builder aBB;
//
aItM.Initialize(theME);
for (; aItM.More(); aItM.Next()) {
const TopoDS_Shape& aE=aItM.Key();
TopExp::MapShapesAndAncestors(aE, TopAbs_VERTEX, TopAbs_EDGE, aMVE);
}
//
aItM.Initialize(theME);
for (; aItM.More(); aItM.Next()) {
TopoDS_Shape aEE=aItM.Key();
if (!aAddedMap.Add(aEE)) {
continue;
}
//
// make a new shell
TopoDS_Wire aW;
aBB.MakeWire(aW);
aEE.Orientation(TopAbs_INTERNAL);
aBB.Add(aW, aEE);
//
TopoDS_Iterator aItAdded (aW);
for (; aItAdded.More(); aItAdded.Next()) {
const TopoDS_Shape& aE =aItAdded.Value();
//
TopExp_Explorer aExp(aE, TopAbs_VERTEX);
for (; aExp.More(); aExp.Next()) {
const TopoDS_Shape& aV =aExp.Current();
const TopTools_ListOfShape& aLE=aMVE.FindFromKey(aV);
aItE.Initialize(aLE);
for (; aItE.More(); aItE.Next()) {
TopoDS_Shape aEL=aItE.Value();
if (aAddedMap.Add(aEL)){
aEL.Orientation(TopAbs_INTERNAL);
aBB.Add(aW, aEL);
}
}
}
}
theWires.Append(aW);
}
}
void BRepOffsetAPI_MakeOffsetFix::MakeWire(TopoDS_Shape& wire)
{
// get the edges of the wire and check which of the stored edges
// serve as input of the wire
TopTools_MapOfShape aMap;
TopExp_Explorer xp(wire, TopAbs_EDGE);
while (xp.More()) {
aMap.Add(xp.Current());
xp.Next();
}
std::list<TopoDS_Edge> edgeList;
for (auto itLoc : myLocations) {
const TopTools_ListOfShape& newShapes = mkOffset.Generated(itLoc.first);
for (TopTools_ListIteratorOfListOfShape it(newShapes); it.More(); it.Next()) {
TopoDS_Shape newShape = it.Value();
if (aMap.Contains(newShape)) {
newShape.Move(itLoc.second);
edgeList.push_back(TopoDS::Edge(newShape));
}
}
}
if (!edgeList.empty()) {
BRepBuilderAPI_MakeWire mkWire;
mkWire.Add(edgeList.front());
edgeList.pop_front();
wire = mkWire.Wire();
bool found = false;
do {
found = false;
for (std::list<TopoDS_Edge>::iterator pE = edgeList.begin(); pE != edgeList.end(); ++pE) {
mkWire.Add(*pE);
if (mkWire.Error() != BRepBuilderAPI_DisconnectedWire) {
// edge added ==> remove it from list
found = true;
edgeList.erase(pE);
wire = mkWire.Wire();
break;
}
}
}
while (found);
}
}
Standard_Boolean ShHealOper_Sewing::getWires(const TopoDS_Shape& theSewShape) const
{
if(theSewShape.ShapeType() != TopAbs_COMPOUND)
return Standard_False;
Handle(TopTools_HSequenceOfShape) aSeqEdges = new TopTools_HSequenceOfShape;
TopExp_Explorer aexpEdges(theSewShape,TopAbs_EDGE,TopAbs_WIRE);
for ( ; aexpEdges.More(); aexpEdges.Next()) {
aSeqEdges->Append(aexpEdges.Current());
}
if(aSeqEdges->Length() <2)
return Standard_False;
//get manifold wires from sewed edges.
Standard_Real aTol = 0.;
Standard_Boolean aShared = Standard_True;
Handle(TopTools_HSequenceOfShape) aTmpWires = new TopTools_HSequenceOfShape;
ShapeAnalysis_FreeBounds::ConnectEdgesToWires(aSeqEdges, aTol, aShared, aTmpWires);
TopTools_MapOfShape aMapEdges;
Standard_Integer i =1;
for( ; i <= aSeqEdges->Length(); i++)
aMapEdges.Add(aSeqEdges->Value(i));
//remove free edges from result shape.
TopoDS_Compound aNewComp;
deleteFreeEdges(theSewShape,aMapEdges,aNewComp);
//add new wires in the result shape.
BRep_Builder aB;
for( i =1; i <= aTmpWires->Length(); i++) {
TopoDS_Iterator aite(aTmpWires->Value(i));
Standard_Integer nbe =0;
TopoDS_Shape aE;
for( ; aite.More() && nbe < 3; aite.Next(),nbe++)
aE = aite.Value();
if(!nbe)
continue;
else if(nbe ==1)
aB.Add(aNewComp,aE);
else
aB.Add(aNewComp,aTmpWires->Value(i));
}
myContext->Replace(theSewShape,aNewComp);
return Standard_True;
}
//=======================================================================
//function : MapShapes
//purpose :
//=======================================================================
void MapShapes(const TopoDS_Shape& theS,
TopTools_MapOfShape& theM)
{
theM.Add(theS);
TopoDS_Iterator anIt;
anIt.Initialize(theS);
for (; anIt.More(); anIt.Next()) {
const TopoDS_Shape& aSx=anIt.Value();
MapShapes(aSx, theM);
}
}
//=======================================================================
//function : FillImagesCompound
//purpose :
//=======================================================================
void FillImagesCompound(const TopoDS_Shape& theS,
BRepAlgo_Image& theImages,
TopTools_MapOfShape& theMFP)
{
Standard_Boolean bInterferred;
TopAbs_ShapeEnum aTypeX;
TopAbs_Orientation aOrX;
TopoDS_Iterator aIt;
BRep_Builder aBB;
TopTools_ListIteratorOfListOfShape aItIm;
//
if (!theMFP.Add(theS)) {
return;
}
//
bInterferred=Standard_False;
aIt.Initialize(theS);
for (; aIt.More(); aIt.Next()) {
const TopoDS_Shape& aSX=aIt.Value();
aTypeX=aSX.ShapeType();
if (aTypeX==TopAbs_COMPOUND) {
FillImagesCompound(aSX, theImages, theMFP);
}
if (theImages.HasImage(aSX)) {
bInterferred=Standard_True;
}
}
if (!bInterferred) {
return;
}
//
TopoDS_Shape aCIm;
GEOMAlgo_Tools3D::MakeContainer(TopAbs_COMPOUND, aCIm);
//
aIt.Initialize(theS);
for (; aIt.More(); aIt.Next()) {
const TopoDS_Shape& aSX=aIt.Value();
aOrX=aSX.Orientation();
if (theImages.HasImage(aSX)) {
const TopTools_ListOfShape& aLFIm=theImages.Image(aSX);
aItIm.Initialize(aLFIm);
for (; aItIm.More(); aItIm.Next()) {
TopoDS_Shape aSXIm=aItIm.Value();
aSXIm.Orientation(aOrX);
aBB.Add(aCIm, aSXIm);
}
}
else {
aBB.Add(aCIm, aSX);
}
}
theImages.Bind(theS, aCIm);
}
//=======================================================================
//function : CompsolidToCompound
//purpose :
//=======================================================================
TopoDS_Shape GEOMUtils::CompsolidToCompound (const TopoDS_Shape& theCompsolid)
{
if (theCompsolid.ShapeType() != TopAbs_COMPSOLID) {
return theCompsolid;
}
TopoDS_Compound aCompound;
BRep_Builder B;
B.MakeCompound(aCompound);
TopTools_MapOfShape mapShape;
TopoDS_Iterator It (theCompsolid, Standard_True, Standard_True);
for (; It.More(); It.Next()) {
TopoDS_Shape aShape_i = It.Value();
if (mapShape.Add(aShape_i)) {
B.Add(aCompound, aShape_i);
}
}
return aCompound;
}
//modified by NIZNHY-PKV Thu Feb 16 12:25:16 2012f
//=======================================================================
//function : IsClosed
//purpose :
//=======================================================================
Standard_Boolean IsClosed(const TopoDS_Edge& aE,
const TopoDS_Face& aF)
{
Standard_Boolean bRet;
//
bRet=BRep_Tool::IsClosed(aE, aF);
if (bRet) {
TopTools_MapOfShape aM;
TopExp_Explorer aExp(aF, TopAbs_EDGE);
for (; aExp.More(); aExp.Next()) {
const TopoDS_Shape& aEx=aExp.Current();
//
if (aM.Add(aEx)) {
bRet=aEx.IsSame(aE);
if (bRet) {
break;
}
}
}
}
return bRet;
}
//=======================================================================
//function : AddSimpleShapes
//purpose :
//=======================================================================
void GEOMUtils::AddSimpleShapes (const TopoDS_Shape& theShape, TopTools_ListOfShape& theList)
{
if (theShape.ShapeType() != TopAbs_COMPOUND &&
theShape.ShapeType() != TopAbs_COMPSOLID) {
theList.Append(theShape);
return;
}
TopTools_MapOfShape mapShape;
TopoDS_Iterator It (theShape, Standard_True, Standard_True);
for (; It.More(); It.Next()) {
TopoDS_Shape aShape_i = It.Value();
if (mapShape.Add(aShape_i)) {
if (aShape_i.ShapeType() == TopAbs_COMPOUND ||
aShape_i.ShapeType() == TopAbs_COMPSOLID) {
AddSimpleShapes(aShape_i, theList);
} else {
theList.Append(aShape_i);
}
}
}
}
//=======================================================================
//function : isGoodForChamfer
//purpose :
//=======================================================================
static Standard_Boolean isGoodForChamfer (const TopoDS_Shape& theShape)
{
if (theShape.ShapeType() == TopAbs_SHELL ||
theShape.ShapeType() == TopAbs_SOLID ||
theShape.ShapeType() == TopAbs_COMPSOLID) {
return Standard_True;
}
if (theShape.ShapeType() == TopAbs_COMPOUND) {
TopTools_MapOfShape mapShape;
TopoDS_Iterator It (theShape, Standard_False, Standard_False);
for (; It.More(); It.Next()) {
if (mapShape.Add(It.Value())) {
if (!isGoodForChamfer(It.Value())) {
return Standard_False;
}
}
}
return Standard_True;
}
return Standard_False;
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_Fillet1dDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOMImpl_IFillet1d aCI (aFunction);
Handle(GEOM_Function) aRefShape = aCI.GetShape();
TopoDS_Shape aShape = aRefShape->GetValue();
if (aShape.IsNull())
return 0;
if (aShape.ShapeType() != TopAbs_WIRE)
Standard_ConstructionError::Raise("Wrong arguments: polyline as wire must be given");
TopoDS_Wire aWire = TopoDS::Wire(aShape);
double rad = aCI.GetR();
if ( rad < Precision::Confusion())
return 0;
// collect vertices for make fillet
TopTools_ListOfShape aVertexList;
TopTools_MapOfShape mapShape;
int aLen = aCI.GetLength();
if ( aLen > 0 ) {
for (int ind = 1; ind <= aLen; ind++) {
TopoDS_Shape aShapeVertex;
if (GEOMImpl_ILocalOperations::GetSubShape
(aWire, aCI.GetVertex(ind), aShapeVertex))
if (mapShape.Add(aShapeVertex))
aVertexList.Append( aShapeVertex );
}
} else { // get all vertices from wire
TopExp_Explorer anExp( aWire, TopAbs_VERTEX );
for ( ; anExp.More(); anExp.Next() ) {
if (mapShape.Add(anExp.Current()))
aVertexList.Append( anExp.Current() );
}
}
if (aVertexList.IsEmpty())
Standard_ConstructionError::Raise("Invalid input no vertices to make fillet");
//INFO: this algorithm implemented in assumption that user can select both
// vertices of some edges to make fillet. In this case we should remember
// already modified initial edges to take care in next fillet step
TopTools_DataMapOfShapeShape anEdgeToEdgeMap;
//iterates on vertices, and make fillet on each couple of edges
//collect result fillet edges in list
TopTools_ListOfShape aListOfNewEdge;
// remember relation between initial and modified map
TopTools_IndexedDataMapOfShapeListOfShape aMapVToEdges;
TopExp::MapShapesAndAncestors( aWire, TopAbs_VERTEX, TopAbs_EDGE, aMapVToEdges );
TopTools_ListIteratorOfListOfShape anIt( aVertexList );
for ( ; anIt.More(); anIt.Next() ) {
TopoDS_Vertex aV = TopoDS::Vertex( anIt.Value() );
if ( aV.IsNull() || !aMapVToEdges.Contains( aV ) )
continue;
const TopTools_ListOfShape& aVertexEdges = aMapVToEdges.FindFromKey( aV );
if ( aVertexEdges.Extent() != 2 )
continue; // no input data to make fillet
TopoDS_Edge anEdge1 = TopoDS::Edge( aVertexEdges.First() );
TopoDS_Edge anEdge2 = TopoDS::Edge( aVertexEdges.Last() );
// check if initial edges already modified in previous fillet operation
if ( anEdgeToEdgeMap.IsBound( anEdge1 ) ) anEdge1 = TopoDS::Edge(anEdgeToEdgeMap.Find( anEdge1 ));
if ( anEdgeToEdgeMap.IsBound( anEdge2 ) ) anEdge2 = TopoDS::Edge(anEdgeToEdgeMap.Find( anEdge2 ));
if ( anEdge1.IsNull() || anEdge2.IsNull() || anEdge1.IsSame( anEdge2 ) )
continue; //no input data to make fillet
// create plane on 2 edges
gp_Pln aPlane;
if ( !takePlane(anEdge1, anEdge2, aV, aPlane) )
continue; // seems edges does not belong to same plane or parallel (fillet can not be build)
GEOMImpl_Fillet1d aFilletAlgo(anEdge1, anEdge2, aPlane);
if ( !aFilletAlgo.Perform(rad) )
continue; // can not create fillet with given radius
// take fillet result in given vertex
TopoDS_Edge aModifE1, aModifE2;
TopoDS_Edge aNewE = aFilletAlgo.Result(BRep_Tool::Pnt(aV), aModifE1, aModifE2);
if (aNewE.IsNull())
continue; // no result found
// add new created edges and take modified edges
aListOfNewEdge.Append( aNewE );
// check if face edges modified,
// if yes, than map to original edges (from vertex-edges list), because edges can be modified before
if (aModifE1.IsNull() || !anEdge1.IsSame( aModifE1 ))
addEdgeRelation( anEdgeToEdgeMap, TopoDS::Edge(aVertexEdges.First()), aModifE1 );
if (aModifE2.IsNull() || !anEdge2.IsSame( aModifE2 ))
addEdgeRelation( anEdgeToEdgeMap, TopoDS::Edge(aVertexEdges.Last()), aModifE2 );
}
if ( anEdgeToEdgeMap.IsEmpty() && aListOfNewEdge.IsEmpty() ) {
StdFail_NotDone::Raise("1D Fillet can't be computed on the given shape with the given radius");
return 0;
}
// create new wire instead of original
for ( TopExp_Explorer anExp( aWire, TopAbs_EDGE ); anExp.More(); anExp.Next() ) {
TopoDS_Shape anEdge = anExp.Current();
if ( !anEdgeToEdgeMap.IsBound( anEdge ) )
aListOfNewEdge.Append( anEdge );
else if (!anEdgeToEdgeMap.Find( anEdge ).IsNull())
aListOfNewEdge.Append( anEdgeToEdgeMap.Find( anEdge ) );
}
GEOMImpl_IShapesOperations::SortShapes( aListOfNewEdge );
BRepBuilderAPI_MakeWire aWireTool;
aWireTool.Add( aListOfNewEdge );
aWireTool.Build();
if (!aWireTool.IsDone())
return 0;
aWire = aWireTool.Wire();
aFunction->SetValue(aWire);
log.SetTouched(Label());
return 1;
}
bool NETGENPlugin_Mesher::fillNgMesh(netgen::OCCGeometry& occgeom,
netgen::Mesh& ngMesh,
vector<SMDS_MeshNode*>& nodeVec,
const list< SMESH_subMesh* > & meshedSM)
{
TNode2IdMap nodeNgIdMap;
TopTools_MapOfShape visitedShapes;
SMESH_MesherHelper helper (*_mesh);
int faceID = occgeom.fmap.Extent();
_faceDescriptors.clear();
list< SMESH_subMesh* >::const_iterator smIt, smEnd = meshedSM.end();
for ( smIt = meshedSM.begin(); smIt != smEnd; ++smIt )
{
SMESH_subMesh* sm = *smIt;
if ( !visitedShapes.Add( sm->GetSubShape() ))
continue;
SMESHDS_SubMesh * smDS = sm->GetSubMeshDS();
switch ( sm->GetSubShape().ShapeType() )
{
case TopAbs_EDGE: { // EDGE
// ----------------------
const TopoDS_Edge& geomEdge = TopoDS::Edge( sm->GetSubShape() );
// Add ng segments for each not meshed face the edge bounds
TopTools_MapOfShape visitedAncestors;
const TopTools_ListOfShape& ancestors = _mesh->GetAncestors( geomEdge );
TopTools_ListIteratorOfListOfShape ancestorIt ( ancestors );
for ( ; ancestorIt.More(); ancestorIt.Next() )
{
const TopoDS_Shape & ans = ancestorIt.Value();
if ( ans.ShapeType() != TopAbs_FACE || !visitedAncestors.Add( ans ))
continue;
const TopoDS_Face& face = TopoDS::Face( ans );
int faceID = occgeom.fmap.FindIndex( face );
if ( faceID < 1 )
continue; // meshed face
// find out orientation of geomEdge within face
bool isForwad = false;
for ( TopExp_Explorer exp( face, TopAbs_EDGE ); exp.More(); exp.Next() ) {
if ( geomEdge.IsSame( exp.Current() )) {
isForwad = ( exp.Current().Orientation() == geomEdge.Orientation() );
break;
}
}
bool isQuad = smDS->GetElements()->next()->IsQuadratic();
// get all nodes from geomEdge
StdMeshers_FaceSide fSide( face, geomEdge, _mesh, isForwad, isQuad );
const vector<UVPtStruct>& points = fSide.GetUVPtStruct();
int i, nbSeg = fSide.NbSegments();
double otherSeamParam = 0;
helper.SetSubShape( face );
bool isSeam = helper.IsRealSeam( geomEdge );
if ( isSeam )
otherSeamParam =
helper.GetOtherParam( helper.GetPeriodicIndex() == 1 ? points[0].u : points[0].v );
// add segments
int prevNgId = ngNodeId( points[0].node, ngMesh, nodeNgIdMap );
for ( i = 0; i < nbSeg; ++i )
{
const UVPtStruct& p1 = points[ i ];
const UVPtStruct& p2 = points[ i+1 ];
netgen::Segment seg;
// ng node ids
seg.p1 = prevNgId;
seg.p2 = prevNgId = ngNodeId( p2.node, ngMesh, nodeNgIdMap );
// node param on curve
seg.epgeominfo[ 0 ].dist = p1.param;
seg.epgeominfo[ 1 ].dist = p2.param;
// uv on face
seg.epgeominfo[ 0 ].u = p1.u;
seg.epgeominfo[ 0 ].v = p1.v;
seg.epgeominfo[ 1 ].u = p2.u;
seg.epgeominfo[ 1 ].v = p2.v;
//seg.epgeominfo[ iEnd ].edgenr = edgeID; // = geom.emap.FindIndex(edge);
seg.si = faceID; // = geom.fmap.FindIndex (face);
seg.edgenr = ngMesh.GetNSeg() + 1; // segment id
ngMesh.AddSegment (seg);
if ( isSeam )
{
if ( helper.GetPeriodicIndex() == 1 ) {
seg.epgeominfo[ 0 ].u = otherSeamParam;
seg.epgeominfo[ 1 ].u = otherSeamParam;
swap (seg.epgeominfo[0].v, seg.epgeominfo[1].v);
} else {
seg.epgeominfo[ 0 ].v = otherSeamParam;
seg.epgeominfo[ 1 ].v = otherSeamParam;
swap (seg.epgeominfo[0].u, seg.epgeominfo[1].u);
}
swap (seg.p1, seg.p2);
swap (seg.epgeominfo[0].dist, seg.epgeominfo[1].dist);
seg.edgenr = ngMesh.GetNSeg() + 1; // segment id
ngMesh.AddSegment (seg);
}
}
} // loop on geomEdge ancestors
break;
} // case TopAbs_EDGE
case TopAbs_FACE: { // FACE
// ----------------------
const TopoDS_Face& geomFace = TopoDS::Face( sm->GetSubShape() );
helper.SetSubShape( geomFace );
// Find solids the geomFace bounds
int solidID1 = 0, solidID2 = 0;
const TopTools_ListOfShape& ancestors = _mesh->GetAncestors( geomFace );
TopTools_ListIteratorOfListOfShape ancestorIt ( ancestors );
for ( ; ancestorIt.More(); ancestorIt.Next() )
{
const TopoDS_Shape & solid = ancestorIt.Value();
if ( solid.ShapeType() == TopAbs_SOLID ) {
int id = occgeom.somap.FindIndex ( solid );
if ( solidID1 && id != solidID1 ) solidID2 = id;
else solidID1 = id;
}
}
faceID++;
_faceDescriptors[ faceID ].first = solidID1;
_faceDescriptors[ faceID ].second = solidID2;
// Orient the face correctly in solidID1 (issue 0020206)
bool reverse = false;
if ( solidID1 ) {
TopoDS_Shape solid = occgeom.somap( solidID1 );
for ( TopExp_Explorer f( solid, TopAbs_FACE ); f.More(); f.Next() ) {
if ( geomFace.IsSame( f.Current() )) {
reverse = SMESH_Algo::IsReversedSubMesh( TopoDS::Face( f.Current()), helper.GetMeshDS() );
break;
}
}
}
// Add surface elements
SMDS_ElemIteratorPtr faces = smDS->GetElements();
while ( faces->more() ) {
const SMDS_MeshElement* f = faces->next();
if ( f->NbNodes() % 3 != 0 ) { // not triangle
for ( ancestorIt.Initialize(ancestors); ancestorIt.More(); ancestorIt.Next() )
if ( ancestorIt.Value().ShapeType() == TopAbs_SOLID ) {
sm = _mesh->GetSubMesh( ancestorIt.Value() );
break;
}
SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
smError.reset( new SMESH_ComputeError(COMPERR_BAD_INPUT_MESH,"Not triangle submesh"));
smError->myBadElements.push_back( f );
return false;
}
netgen::Element2d tri(3);
tri.SetIndex ( faceID );
for ( int i = 0; i < 3; ++i ) {
const SMDS_MeshNode* node = f->GetNode( i ), * inFaceNode=0;
if ( helper.IsSeamShape( node->GetPosition()->GetShapeId() ))
if ( helper.IsSeamShape( f->GetNodeWrap( i+1 )->GetPosition()->GetShapeId() ))
inFaceNode = f->GetNodeWrap( i-1 );
else
inFaceNode = f->GetNodeWrap( i+1 );
gp_XY uv = helper.GetNodeUV( geomFace, node, inFaceNode );
if ( reverse ) {
tri.GeomInfoPi(3-i).u = uv.X();
tri.GeomInfoPi(3-i).v = uv.Y();
tri.PNum (3-i) = ngNodeId( node, ngMesh, nodeNgIdMap );
} else {
tri.GeomInfoPi(i+1).u = uv.X();
tri.GeomInfoPi(i+1).v = uv.Y();
tri.PNum (i+1) = ngNodeId( node, ngMesh, nodeNgIdMap );
}
}
ngMesh.AddSurfaceElement (tri);
}
break;
} //
case TopAbs_VERTEX: { // VERTEX
// --------------------------
SMDS_NodeIteratorPtr nodeIt = smDS->GetNodes();
if ( nodeIt->more() )
ngNodeId( nodeIt->next(), ngMesh, nodeNgIdMap );
break;
}
default:;
} // switch
} // loop on submeshes
// fill nodeVec
nodeVec.resize( ngMesh.GetNP() + 1 );
TNode2IdMap::iterator node_NgId, nodeNgIdEnd = nodeNgIdMap.end();
for ( node_NgId = nodeNgIdMap.begin(); node_NgId != nodeNgIdEnd; ++node_NgId)
nodeVec[ node_NgId->second ] = (SMDS_MeshNode*) node_NgId->first;
return true;
}
//=============================================================================
bool NETGENPlugin_Mesher::Compute()
{
#ifdef WNT
netgen::MeshingParameters& mparams = netgen::GlobalMeshingParameters();
#else
netgen::MeshingParameters& mparams = netgen::mparam;
#endif
MESSAGE("Compute with:\n"
" max size = " << mparams.maxh << "\n"
" segments per edge = " << mparams.segmentsperedge);
MESSAGE("\n"
" growth rate = " << mparams.grading << "\n"
" elements per radius = " << mparams.curvaturesafety << "\n"
" second order = " << mparams.secondorder << "\n"
" quad allowed = " << mparams.quad);
SMESH_ComputeErrorPtr error = SMESH_ComputeError::New();
nglib::Ng_Init();
// -------------------------
// Prepare OCC geometry
// -------------------------
netgen::OCCGeometry occgeo;
list< SMESH_subMesh* > meshedSM;
PrepareOCCgeometry( occgeo, _shape, *_mesh, &meshedSM );
// -------------------------
// Generate the mesh
// -------------------------
netgen::Mesh *ngMesh = NULL;
SMESH_Comment comment;
int err = 0;
int nbInitNod = 0;
int nbInitSeg = 0;
int nbInitFac = 0;
// vector of nodes in which node index == netgen ID
vector< SMDS_MeshNode* > nodeVec;
try
{
// ----------------
// compute 1D mesh
// ----------------
// pass 1D simple parameters to NETGEN
if ( _simpleHyp ) {
if ( int nbSeg = _simpleHyp->GetNumberOfSegments() ) {
// nb of segments
mparams.segmentsperedge = nbSeg + 0.1;
mparams.maxh = occgeo.boundingbox.Diam();
mparams.grading = 0.01;
}
else {
// segment length
mparams.segmentsperedge = 1;
mparams.maxh = _simpleHyp->GetLocalLength();
}
}
// let netgen create ngMesh and calculate element size on not meshed shapes
char *optstr = 0;
int startWith = netgen::MESHCONST_ANALYSE;
int endWith = netgen::MESHCONST_ANALYSE;
err = netgen::OCCGenerateMesh(occgeo, ngMesh, startWith, endWith, optstr);
if (err) comment << "Error in netgen::OCCGenerateMesh() at MESHCONST_ANALYSE step";
// fill ngMesh with nodes and elements of computed submeshes
err = ! fillNgMesh(occgeo, *ngMesh, nodeVec, meshedSM);
nbInitNod = ngMesh->GetNP();
nbInitSeg = ngMesh->GetNSeg();
nbInitFac = ngMesh->GetNSE();
// compute mesh
if (!err)
{
startWith = endWith = netgen::MESHCONST_MESHEDGES;
err = netgen::OCCGenerateMesh(occgeo, ngMesh, startWith, endWith, optstr);
if (err) comment << "Error in netgen::OCCGenerateMesh() at 1D mesh generation";
}
// ---------------------
// compute surface mesh
// ---------------------
if (!err)
{
// pass 2D simple parameters to NETGEN
if ( _simpleHyp ) {
if ( double area = _simpleHyp->GetMaxElementArea() ) {
// face area
mparams.maxh = sqrt(2. * area/sqrt(3.0));
mparams.grading = 0.4; // moderate size growth
}
else {
// length from edges
double length = 0;
TopTools_MapOfShape tmpMap;
for ( TopExp_Explorer exp( _shape, TopAbs_EDGE ); exp.More(); exp.Next() )
if( tmpMap.Add(exp.Current()) )
length += SMESH_Algo::EdgeLength( TopoDS::Edge( exp.Current() ));
if ( ngMesh->GetNSeg() ) {
// we have to multiply length by 2 since for each TopoDS_Edge there
// are double set of NETGEN edges or, in other words, we have to
// divide ngMesh->GetNSeg() on 2.
mparams.maxh = 2*length / ngMesh->GetNSeg();
}
else
mparams.maxh = 1000;
mparams.grading = 0.2; // slow size growth
}
mparams.maxh = min( mparams.maxh, occgeo.boundingbox.Diam()/2 );
ngMesh->SetGlobalH (mparams.maxh);
netgen::Box<3> bb = occgeo.GetBoundingBox();
bb.Increase (bb.Diam()/20);
ngMesh->SetLocalH (bb.PMin(), bb.PMax(), mparams.grading);
}
// let netgen compute 2D mesh
startWith = netgen::MESHCONST_MESHSURFACE;
endWith = _optimize ? netgen::MESHCONST_OPTSURFACE : netgen::MESHCONST_MESHSURFACE;
err = netgen::OCCGenerateMesh(occgeo, ngMesh, startWith, endWith, optstr);
if (err) comment << "Error in netgen::OCCGenerateMesh() at surface mesh generation";
}
// ---------------------
// generate volume mesh
// ---------------------
if (!err && _isVolume)
{
// add ng face descriptors of meshed faces
std::map< int, std::pair<int,int> >::iterator fId_soIds = _faceDescriptors.begin();
for ( ; fId_soIds != _faceDescriptors.end(); ++fId_soIds ) {
int faceID = fId_soIds->first;
int solidID1 = fId_soIds->second.first;
int solidID2 = fId_soIds->second.second;
ngMesh->AddFaceDescriptor (netgen::FaceDescriptor(faceID, solidID1, solidID2, 0));
}
// pass 3D simple parameters to NETGEN
const NETGENPlugin_SimpleHypothesis_3D* simple3d =
dynamic_cast< const NETGENPlugin_SimpleHypothesis_3D* > ( _simpleHyp );
if ( simple3d ) {
if ( double vol = simple3d->GetMaxElementVolume() ) {
// max volume
mparams.maxh = pow( 72, 1/6. ) * pow( vol, 1/3. );
mparams.maxh = min( mparams.maxh, occgeo.boundingbox.Diam()/2 );
}
else {
// length from faces
mparams.maxh = ngMesh->AverageH();
}
// netgen::ARRAY<double> maxhdom;
// maxhdom.SetSize (occgeo.NrSolids());
// maxhdom = mparams.maxh;
// ngMesh->SetMaxHDomain (maxhdom);
ngMesh->SetGlobalH (mparams.maxh);
mparams.grading = 0.4;
ngMesh->CalcLocalH();
}
// let netgen compute 3D mesh
startWith = netgen::MESHCONST_MESHVOLUME;
endWith = _optimize ? netgen::MESHCONST_OPTVOLUME : netgen::MESHCONST_MESHVOLUME;
err = netgen::OCCGenerateMesh(occgeo, ngMesh, startWith, endWith, optstr);
if (err) comment << "Error in netgen::OCCGenerateMesh()";
}
if (!err && mparams.secondorder > 0)
{
netgen::OCCRefinementSurfaces ref (occgeo);
ref.MakeSecondOrder (*ngMesh);
}
}
catch (netgen::NgException exc)
{
error->myName = err = COMPERR_ALGO_FAILED;
comment << exc.What();
}
int nbNod = ngMesh->GetNP();
int nbSeg = ngMesh->GetNSeg();
int nbFac = ngMesh->GetNSE();
int nbVol = ngMesh->GetNE();
MESSAGE((err ? "Mesh Generation failure" : "End of Mesh Generation") <<
", nb nodes: " << nbNod <<
", nb segments: " << nbSeg <<
", nb faces: " << nbFac <<
", nb volumes: " << nbVol);
// -----------------------------------------------------------
// Feed back the SMESHDS with the generated Nodes and Elements
// -----------------------------------------------------------
SMESHDS_Mesh* meshDS = _mesh->GetMeshDS();
bool isOK = ( !err && (_isVolume ? (nbVol > 0) : (nbFac > 0)) );
if ( true /*isOK*/ ) // get whatever built
{
// map of nodes assigned to submeshes
NCollection_Map<int> pindMap;
// create and insert nodes into nodeVec
nodeVec.resize( nbNod + 1 );
int i;
for (i = nbInitNod+1; i <= nbNod /*&& isOK*/; ++i )
{
const netgen::MeshPoint& ngPoint = ngMesh->Point(i);
SMDS_MeshNode* node = NULL;
bool newNodeOnVertex = false;
TopoDS_Vertex aVert;
if (i-nbInitNod <= occgeo.vmap.Extent())
{
// point on vertex
aVert = TopoDS::Vertex(occgeo.vmap(i-nbInitNod));
SMESHDS_SubMesh * submesh = meshDS->MeshElements(aVert);
if (submesh)
{
SMDS_NodeIteratorPtr it = submesh->GetNodes();
if (it->more())
{
node = const_cast<SMDS_MeshNode*> (it->next());
pindMap.Add(i);
}
}
if (!node)
newNodeOnVertex = true;
}
if (!node)
node = meshDS->AddNode(ngPoint.X(), ngPoint.Y(), ngPoint.Z());
if (!node)
{
MESSAGE("Cannot create a mesh node");
if ( !comment.size() ) comment << "Cannot create a mesh node";
nbSeg = nbFac = nbVol = isOK = 0;
break;
}
nodeVec.at(i) = node;
if (newNodeOnVertex)
{
// point on vertex
meshDS->SetNodeOnVertex(node, aVert);
pindMap.Add(i);
}
}
// create mesh segments along geometric edges
NCollection_Map<Link> linkMap;
for (i = nbInitSeg+1; i <= nbSeg/* && isOK*/; ++i )
{
const netgen::Segment& seg = ngMesh->LineSegment(i);
Link link(seg.p1, seg.p2);
if (linkMap.Contains(link))
continue;
linkMap.Add(link);
TopoDS_Edge aEdge;
int pinds[3] = { seg.p1, seg.p2, seg.pmid };
int nbp = 0;
double param2 = 0;
for (int j=0; j < 3; ++j)
{
int pind = pinds[j];
if (pind <= 0) continue;
++nbp;
double param;
if (j < 2)
{
if (aEdge.IsNull())
{
int aGeomEdgeInd = seg.epgeominfo[j].edgenr;
if (aGeomEdgeInd > 0 && aGeomEdgeInd <= occgeo.emap.Extent())
aEdge = TopoDS::Edge(occgeo.emap(aGeomEdgeInd));
}
param = seg.epgeominfo[j].dist;
param2 += param;
}
else
param = param2 * 0.5;
if (pind <= nbInitNod || pindMap.Contains(pind))
continue;
if (!aEdge.IsNull())
{
meshDS->SetNodeOnEdge(nodeVec.at(pind), aEdge, param);
pindMap.Add(pind);
}
}
SMDS_MeshEdge* edge;
if (nbp < 3) // second order ?
edge = meshDS->AddEdge(nodeVec.at(pinds[0]), nodeVec.at(pinds[1]));
else
edge = meshDS->AddEdge(nodeVec.at(pinds[0]), nodeVec.at(pinds[1]),
nodeVec.at(pinds[2]));
if (!edge)
{
if ( !comment.size() ) comment << "Cannot create a mesh edge";
MESSAGE("Cannot create a mesh edge");
nbSeg = nbFac = nbVol = isOK = 0;
break;
}
if (!aEdge.IsNull())
meshDS->SetMeshElementOnShape(edge, aEdge);
}
// create mesh faces along geometric faces
for (i = nbInitFac+1; i <= nbFac/* && isOK*/; ++i )
{
const netgen::Element2d& elem = ngMesh->SurfaceElement(i);
int aGeomFaceInd = elem.GetIndex();
TopoDS_Face aFace;
if (aGeomFaceInd > 0 && aGeomFaceInd <= occgeo.fmap.Extent())
aFace = TopoDS::Face(occgeo.fmap(aGeomFaceInd));
vector<SMDS_MeshNode*> nodes;
for (int j=1; j <= elem.GetNP(); ++j)
{
int pind = elem.PNum(j);
SMDS_MeshNode* node = nodeVec.at(pind);
nodes.push_back(node);
if (pind <= nbInitNod || pindMap.Contains(pind))
continue;
if (!aFace.IsNull())
{
const netgen::PointGeomInfo& pgi = elem.GeomInfoPi(j);
meshDS->SetNodeOnFace(node, aFace, pgi.u, pgi.v);
pindMap.Add(pind);
}
}
SMDS_MeshFace* face = NULL;
switch (elem.GetType())
{
case netgen::TRIG:
face = meshDS->AddFace(nodes[0],nodes[1],nodes[2]);
break;
case netgen::QUAD:
face = meshDS->AddFace(nodes[0],nodes[1],nodes[2],nodes[3]);
break;
case netgen::TRIG6:
face = meshDS->AddFace(nodes[0],nodes[1],nodes[2],nodes[5],nodes[3],nodes[4]);
break;
case netgen::QUAD8:
face = meshDS->AddFace(nodes[0],nodes[1],nodes[2],nodes[3],
nodes[4],nodes[7],nodes[5],nodes[6]);
break;
default:
MESSAGE("NETGEN created a face of unexpected type, ignoring");
continue;
}
if (!face)
{
if ( !comment.size() ) comment << "Cannot create a mesh face";
MESSAGE("Cannot create a mesh face");
nbSeg = nbFac = nbVol = isOK = 0;
break;
}
if (!aFace.IsNull())
meshDS->SetMeshElementOnShape(face, aFace);
}
// create tetrahedra
for (i = 1; i <= nbVol/* && isOK*/; ++i)
{
const netgen::Element& elem = ngMesh->VolumeElement(i);
int aSolidInd = elem.GetIndex();
TopoDS_Solid aSolid;
if (aSolidInd > 0 && aSolidInd <= occgeo.somap.Extent())
aSolid = TopoDS::Solid(occgeo.somap(aSolidInd));
vector<SMDS_MeshNode*> nodes;
for (int j=1; j <= elem.GetNP(); ++j)
{
int pind = elem.PNum(j);
SMDS_MeshNode* node = nodeVec.at(pind);
nodes.push_back(node);
if (pind <= nbInitNod || pindMap.Contains(pind))
continue;
if (!aSolid.IsNull())
{
// point in solid
meshDS->SetNodeInVolume(node, aSolid);
pindMap.Add(pind);
}
}
SMDS_MeshVolume* vol = NULL;
switch (elem.GetType())
{
case netgen::TET:
vol = meshDS->AddVolume(nodes[0],nodes[1],nodes[2],nodes[3]);
break;
case netgen::TET10:
vol = meshDS->AddVolume(nodes[0],nodes[1],nodes[2],nodes[3],
nodes[4],nodes[7],nodes[5],nodes[6],nodes[8],nodes[9]);
break;
default:
MESSAGE("NETGEN created a volume of unexpected type, ignoring");
continue;
}
if (!vol)
{
if ( !comment.size() ) comment << "Cannot create a mesh volume";
MESSAGE("Cannot create a mesh volume");
nbSeg = nbFac = nbVol = isOK = 0;
break;
}
if (!aSolid.IsNull())
meshDS->SetMeshElementOnShape(vol, aSolid);
}
}
if ( error->IsOK() && ( !isOK || comment.size() > 0 ))
error->myName = COMPERR_ALGO_FAILED;
if ( !comment.empty() )
error->myComment = comment;
// set bad compute error to subshapes of all failed subshapes shapes
if ( !error->IsOK() && err )
{
for (int i = 1; i <= occgeo.fmap.Extent(); i++) {
int status = occgeo.facemeshstatus[i-1];
if (status == 1 ) continue;
if ( SMESH_subMesh* sm = _mesh->GetSubMeshContaining( occgeo.fmap( i ))) {
SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
if ( !smError || smError->IsOK() ) {
if ( status == -1 )
smError.reset( new SMESH_ComputeError( error->myName, error->myComment ));
else
smError.reset( new SMESH_ComputeError( COMPERR_ALGO_FAILED, "Ignored" ));
}
}
}
}
nglib::Ng_DeleteMesh((nglib::Ng_Mesh*)ngMesh);
nglib::Ng_Exit();
RemoveTmpFiles();
return error->IsOK();
}
//=======================================================================
// function: FillInternalVertices
// purpose:
//=======================================================================
void GEOMAlgo_Builder::FillInternalVertices()
{
const NMTDS_ShapesDataStructure& aDS=*myPaveFiller->DS();
NMTTools_PaveFiller* pPF=myPaveFiller;
NMTDS_InterfPool* pIP=pPF->IP();
const Handle(IntTools_Context)& aCtx= pPF->Context();
//
BOPTools_CArray1OfVSInterference& aVFs=pIP->VSInterferences();
BOPTools_CArray1OfESInterference& aEFs=pIP->ESInterferences();
const NMTTools_IndexedDataMapOfIndexedMapOfInteger& aMAV=pPF->AloneVertices();
//
Standard_Boolean bHasImage;
Standard_Integer i, j, nF, aNbS, nV, nVSD, n1, n2, iFlag;
Standard_Integer aNbVFs, aNbAVF, aNbEFs, aNbVC, aNbE, aNbV;
Standard_Real aU1, aU2, aTol;
NMTTools_IndexedDataMapOfIndexedMapOfInteger aMFMV;
TopTools_MapOfShape aMFence;
TopTools_ListIteratorOfListOfShape aIt, aItV;
BRep_Builder aBB;
//
// 1. Collect face-vertex candidates [aMFMV]
//
// 1.1. VFs
aNbVFs=aVFs.Extent();
for (i=1; i<=aNbVFs; ++i) {
const BOPTools_VSInterference& aVS=aVFs(i);
aVS.Indices(n1, n2);
nF=n2;
nV=n1;
if (aDS.Shape(n1).ShapeType()==TopAbs_FACE) {
nF=n1;
nV=n2;
}
nVSD=pPF->FindSDVertex(nV);
if (nVSD) {
nV=nVSD;
}
//
UpdateCandidates(nF, nV, aMFMV);
}
//
// 1.2 EFs
aNbEFs=aEFs.Extent();
for (i=1; i<=aNbEFs; ++i) {
const BOPTools_ESInterference& aEF=aEFs(i);
aEF.Indices(n1, n2);
nV=aEF.NewShape();
if (!nV) {
continue;
}
const TopoDS_Shape& aSnew=aDS.Shape(nV);
if (aSnew.ShapeType()!=TopAbs_VERTEX) {
continue;
}
//
nF=(aDS.Shape(n1).ShapeType()==TopAbs_FACE) ? n1 : n2;
nVSD=pPF->FindSDVertex(nV);
if (nVSD) {
nV=nVSD;
}
UpdateCandidates(nF, nV, aMFMV);
}
//
aNbS=aDS.NumberOfShapesOfTheObject();
for (nF=1; nF<=aNbS; ++nF) {
const TopoDS_Shape& aF=aDS.Shape(nF);
//
if (aF.ShapeType()!=TopAbs_FACE) {
continue;
}
if (!aMFence.Add(aF)) {
continue;
}
//
const TopoDS_Face& aFF=TopoDS::Face(aF);
aTol=BRep_Tool::Tolerance(aFF);
//
// 1.3 FFs
if (aMAV.Contains(nF)) {
const TColStd_IndexedMapOfInteger& aMAVF=aMAV.FindFromKey(nF);
aNbAVF=aMAVF.Extent();
for (j=1; j<=aNbAVF; ++j) {
nV=aMAVF(j);
nVSD=pPF->FindSDVertex(nV);
if (nVSD) {
nV=nVSD;
}
//
UpdateCandidates(nF, nV, aMFMV);
}
}
//
// 1.4 Internal vertices of the face nF
BooleanOperations_OnceExplorer aExp(aDS);
aExp.Init(nF, TopAbs_VERTEX);
for (; aExp.More(); aExp.Next()) {
nV=aExp.Current();
const TopoDS_Shape& aV=aDS.Shape(nV);
if (aV.Orientation()==TopAbs_INTERNAL) {
nVSD=pPF->FindSDVertex(nV);
if (nVSD) {
nV=nVSD;
}
//
UpdateCandidates(nF, nV, aMFMV);
}
}
//
// 2. Process face nF
if (!aMFMV.Contains(nF)) {
continue;
}
//
const TColStd_IndexedMapOfInteger& aMVC=aMFMV.FindFromKey(nF);
aNbVC=aMVC.Extent();
if (!aNbVC) {
continue;
}
//
// 2.1 Refine candidates
TopTools_IndexedDataMapOfShapeListOfShape aMVE;
TopTools_ListOfShape aLV;
//
bHasImage=myImages.HasImage(aF);
if (bHasImage) {
const TopTools_ListOfShape& aLFx=myImages.Image(aF);
aIt.Initialize(aLFx);
for (; aIt.More(); aIt.Next()) {
const TopoDS_Shape& aFx=aIt.Value();
TopExp::MapShapesAndAncestors(aFx, TopAbs_VERTEX, TopAbs_EDGE, aMVE);
}
}
else {
Standard_Boolean bFaceToProcess;
//
TopExp::MapShapesAndAncestors(aF, TopAbs_VERTEX, TopAbs_EDGE, aMVE);
bFaceToProcess=Standard_False;
for (j=1; j<=aNbVC; ++j) {
nV=aMVC(j);
const TopoDS_Shape& aV=aDS.Shape(nV);
if (!aMVE.Contains(aV)) {
bFaceToProcess=!bFaceToProcess;
break;
}
}
if (!bFaceToProcess) {
continue;
}
}// else
//
for (j=1; j<=aNbVC; ++j) {
nV=aMVC(j);
const TopoDS_Shape& aV=aDS.Shape(nV);
if (aMVE.Contains(aV)) {
const TopTools_ListOfShape& aLE=aMVE.FindFromKey(aV);
aNbE=aLE.Extent();
if (aNbE) {
continue;
}
}
aLV.Append(aV);
}
//
aNbV=aLV.Extent();
if (aNbV) {
// 3. Try to put vertices into the face(s)
aItV.Initialize(aLV);
for (; aItV.More(); aItV.Next()) {
TopoDS_Vertex aV=TopoDS::Vertex(aItV.Value());
aV.Orientation(TopAbs_INTERNAL);
//
bHasImage=myImages.HasImage(aF);
if (bHasImage) {
const TopTools_ListOfShape& aLFx=myImages.Image(aF);
aIt.Initialize(aLFx);
for (; aIt.More(); aIt.Next()) {
TopoDS_Face aFx=TopoDS::Face(aIt.Value());
// update classifier
IntTools_FClass2d& aClsf=aCtx->FClass2d(aFx);
aClsf.Init(aFx, aTol);
//
iFlag=aCtx->ComputeVS (aV, aFx, aU1, aU2);
if (!iFlag) {
aBB.Add(aFx, aV);
break;
}
}
}
else {
const TopoDS_Face& aFx=TopoDS::Face(aF);
// update classifier
IntTools_FClass2d& aClsf=aCtx->FClass2d(aFx);
aClsf.Init(aFx, aTol);
//
iFlag=aCtx->ComputeVS (aV, aFx, aU1, aU2);
if (!iFlag) {
TopoDS_Face aFz;
//
GEOMAlgo_Tools3D::CopyFace(aFx, aFz);
aBB.Add(aFz, aV);
myImages.Bind(aF, aFz);
}
}
}// for (; aItV.More(); aItV.Next()) {
}// if (aNbV) {
}// for (nF=1; nF<=aNb; ++nF) {
}
bool StdMeshers_RadialPrism_3D::Evaluate(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
MapShapeNbElems& aResMap)
{
// get 2 shells
TopoDS_Solid solid = TopoDS::Solid( aShape );
TopoDS_Shell outerShell = BRepClass3d::OuterShell( solid );
TopoDS_Shape innerShell;
int nbShells = 0;
for ( TopoDS_Iterator It (solid); It.More(); It.Next(), ++nbShells )
if ( !outerShell.IsSame( It.Value() ))
innerShell = It.Value();
if ( nbShells != 2 ) {
std::vector<int> aResVec(SMDSEntity_Last);
for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
aResMap.insert(std::make_pair(sm,aResVec));
SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Submesh can not be evaluated",this));
return false;
}
// Associate sub-shapes of the shells
ProjectionUtils::TShapeShapeMap shape2ShapeMap;
if ( !ProjectionUtils::FindSubShapeAssociation( outerShell, &aMesh,
innerShell, &aMesh,
shape2ShapeMap) ) {
std::vector<int> aResVec(SMDSEntity_Last);
for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
aResMap.insert(std::make_pair(sm,aResVec));
SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Submesh can not be evaluated",this));
return false;
}
// get info for outer shell
int nb0d_Out=0, nb2d_3_Out=0, nb2d_4_Out=0;
//TopTools_SequenceOfShape FacesOut;
for (TopExp_Explorer exp(outerShell, TopAbs_FACE); exp.More(); exp.Next()) {
//FacesOut.Append(exp.Current());
SMESH_subMesh *aSubMesh = aMesh.GetSubMesh(exp.Current());
MapShapeNbElemsItr anIt = aResMap.find(aSubMesh);
std::vector<int> aVec = (*anIt).second;
nb0d_Out += aVec[SMDSEntity_Node];
nb2d_3_Out += Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
nb2d_4_Out += Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
}
int nb1d_Out = 0;
TopTools_MapOfShape tmpMap;
for (TopExp_Explorer exp(outerShell, TopAbs_EDGE); exp.More(); exp.Next()) {
if( tmpMap.Contains( exp.Current() ) )
continue;
tmpMap.Add( exp.Current() );
SMESH_subMesh *aSubMesh = aMesh.GetSubMesh(exp.Current());
MapShapeNbElemsItr anIt = aResMap.find(aSubMesh);
std::vector<int> aVec = (*anIt).second;
nb0d_Out += aVec[SMDSEntity_Node];
nb1d_Out += Max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]);
}
tmpMap.Clear();
for (TopExp_Explorer exp(outerShell, TopAbs_VERTEX); exp.More(); exp.Next()) {
if( tmpMap.Contains( exp.Current() ) )
continue;
tmpMap.Add( exp.Current() );
nb0d_Out++;
}
// get info for inner shell
int nb0d_In=0, nb2d_3_In=0, nb2d_4_In=0;
//TopTools_SequenceOfShape FacesIn;
for (TopExp_Explorer exp(innerShell, TopAbs_FACE); exp.More(); exp.Next()) {
//FacesIn.Append(exp.Current());
SMESH_subMesh *aSubMesh = aMesh.GetSubMesh(exp.Current());
MapShapeNbElemsItr anIt = aResMap.find(aSubMesh);
std::vector<int> aVec = (*anIt).second;
nb0d_In += aVec[SMDSEntity_Node];
nb2d_3_In += Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
nb2d_4_In += Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
}
int nb1d_In = 0;
tmpMap.Clear();
bool IsQuadratic = false;
bool IsFirst = true;
for (TopExp_Explorer exp(innerShell, TopAbs_EDGE); exp.More(); exp.Next()) {
if( tmpMap.Contains( exp.Current() ) )
continue;
tmpMap.Add( exp.Current() );
SMESH_subMesh *aSubMesh = aMesh.GetSubMesh(exp.Current());
MapShapeNbElemsItr anIt = aResMap.find(aSubMesh);
std::vector<int> aVec = (*anIt).second;
nb0d_In += aVec[SMDSEntity_Node];
nb1d_In += Max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]);
if(IsFirst) {
IsQuadratic = (aVec[SMDSEntity_Quad_Edge] > aVec[SMDSEntity_Edge]);
IsFirst = false;
}
}
tmpMap.Clear();
for (TopExp_Explorer exp(innerShell, TopAbs_VERTEX); exp.More(); exp.Next()) {
if( tmpMap.Contains( exp.Current() ) )
continue;
tmpMap.Add( exp.Current() );
nb0d_In++;
}
bool IsOK = (nb0d_Out==nb0d_In) && (nb1d_Out==nb1d_In) &&
(nb2d_3_Out==nb2d_3_In) && (nb2d_4_Out==nb2d_4_In);
if(!IsOK) {
std::vector<int> aResVec(SMDSEntity_Last);
for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
aResMap.insert(std::make_pair(sm,aResVec));
SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Submesh can not be evaluated",this));
return false;
}
int nbLayers = 0;
if( myNbLayerHypo ) {
nbLayers = myNbLayerHypo->GetNumberOfLayers();
}
if ( myDistributionHypo ) {
if ( !myDistributionHypo->GetLayerDistribution() ) {
std::vector<int> aResVec(SMDSEntity_Last);
for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
aResMap.insert(std::make_pair(sm,aResVec));
SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Submesh can not be evaluated",this));
return false;
}
TopExp_Explorer exp(outerShell, TopAbs_VERTEX);
TopoDS_Vertex Vout = TopoDS::Vertex(exp.Current());
TopoDS_Vertex Vin = TopoDS::Vertex( shape2ShapeMap(Vout) );
if ( myLayerPositions.empty() ) {
gp_Pnt pIn = BRep_Tool::Pnt(Vin);
gp_Pnt pOut = BRep_Tool::Pnt(Vout);
computeLayerPositions( pIn, pOut );
}
nbLayers = myLayerPositions.size() + 1;
}
std::vector<int> aResVec(SMDSEntity_Last);
for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
if(IsQuadratic) {
aResVec[SMDSEntity_Quad_Penta] = nb2d_3_Out * nbLayers;
aResVec[SMDSEntity_Quad_Hexa] = nb2d_4_Out * nbLayers;
int nb1d = ( nb2d_3_Out*3 + nb2d_4_Out*4 ) / 2;
aResVec[SMDSEntity_Node] = nb0d_Out * ( 2*nbLayers - 1 ) - nb1d * nbLayers;
}
else {
aResVec[SMDSEntity_Node] = nb0d_Out * ( nbLayers - 1 );
aResVec[SMDSEntity_Penta] = nb2d_3_Out * nbLayers;
aResVec[SMDSEntity_Hexa] = nb2d_4_Out * nbLayers;
}
SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
aResMap.insert(std::make_pair(sm,aResVec));
return true;
}
//=======================================================================
// function: BuildSplitFaces
// purpose:
//=======================================================================
void GEOMAlgo_Builder::BuildSplitFaces()
{
const NMTDS_ShapesDataStructure& aDS=*myPaveFiller->DS();
NMTTools_PaveFiller* pPF=myPaveFiller;
NMTDS_InterfPool* pIP=pPF->IP();
BOPTools_CArray1OfSSInterference& aFFs=pIP->SSInterferences();
const Handle(IntTools_Context)& aCtx= pPF->Context();
//
Standard_Boolean bToReverse, bIsClosed, bIsDegenerated;
Standard_Integer i, aNb, aNbF, nF;
TopTools_MapOfShape aMFence;
TColStd_IndexedMapOfInteger aMFP;
TopExp_Explorer anExp;
TopoDS_Face aFF;
TopoDS_Edge aSp, aEE;
TopTools_ListIteratorOfListOfShape aIt;
TopAbs_Orientation anOriF, anOriE;
//
mySplitFaces.Clear();
//
// 1. Select Faces to process (MFP)
aNb=aDS.NumberOfShapesOfTheObject();
for (i=1; i<=aNb; ++i) {
const TopoDS_Shape& aF=aDS.Shape(i);
if (aF.ShapeType()!=TopAbs_FACE) {
continue;
}
if (!aMFence.Add(aF)) {
continue;
}
//
if (myInParts.Contains(aF)) {
aMFP.Add(i);
continue;
}
//
anExp.Init(aF, TopAbs_EDGE);
for (; anExp.More(); anExp.Next()) {
const TopoDS_Shape& aE=anExp.Current();
if (myImages.HasImage(aE)) {
aMFP.Add(i);
break;
}
}
//
//===
{
Standard_Integer aNbFFs, aNbSE, j, n1, n2;
//
aNbFFs=aFFs.Extent();
for (j=1; j<=aNbFFs; ++j) {
BOPTools_SSInterference& aFFj=aFFs(j);
aFFj.Indices(n1, n2);
if (!(n1==i || n2==i)) {
continue;
}
//
const TColStd_ListOfInteger& aLSE=aFFj.SharedEdges();
aNbSE=aLSE.Extent();
if (aNbSE) {
aMFP.Add(i);
break;
}
}
}
//===
//
}// for (i=1; i<=aNb; ++i)
//
// 2. ProcessFaces
aNbF=aMFP.Extent();
for (i=1; i<=aNbF; ++i) {
nF=aMFP(i);
const TopoDS_Face& aF=TopoDS::Face(aDS.Shape(nF));
anOriF=aF.Orientation();
aFF=aF;
aFF.Orientation(TopAbs_FORWARD);
//
aMFence.Clear();
//
// 2.1. Fill WES
GEOMAlgo_WireEdgeSet aWES;
aWES.SetFace(aFF);
//
// 2.1.1. Add Split parts
anExp.Init(aFF, TopAbs_EDGE);
for (; anExp.More(); anExp.Next()) {
const TopoDS_Edge& aE=TopoDS::Edge(anExp.Current());
anOriE=aE.Orientation();
//
if (!myImages.HasImage(aE)) {
if (anOriE==TopAbs_INTERNAL) {
aEE=aE;
aEE.Orientation(TopAbs_FORWARD);
aWES.AddStartElement(aEE);
aEE.Orientation(TopAbs_REVERSED);
aWES.AddStartElement(aEE);
}
else {
aWES.AddStartElement(aE);
}
continue;
}
//
bIsDegenerated=BRep_Tool::Degenerated(aE);
//modified by NIZNHY-PKV Wed Mar 07 07:46:09 2012f
bIsClosed=IsClosed(aE, aF);
//bIsClosed=BRep_Tool::IsClosed(aE, aF);
//modified by NIZNHY-PKV Wed Mar 07 07:46:13 2012t
//
const TopTools_ListOfShape& aLIE=myImages.Image(aE);
aIt.Initialize(aLIE);
for (; aIt.More(); aIt.Next()) {
aSp=TopoDS::Edge(aIt.Value());
//
if (bIsDegenerated) {
aSp.Orientation(anOriE);
aWES.AddStartElement(aSp);
continue;
}
//
if (anOriE==TopAbs_INTERNAL) {
aSp.Orientation(TopAbs_FORWARD);
aWES.AddStartElement(aSp);
aSp.Orientation(TopAbs_REVERSED);
aWES.AddStartElement(aSp);
continue;
}
//
if (bIsClosed){
if (aMFence.Add(aSp)) {
//
if (!BRep_Tool::IsClosed(aSp, aF)){
BOPTools_Tools3D::DoSplitSEAMOnFace(aSp, aF);
}
//
aSp.Orientation(TopAbs_FORWARD);
aWES.AddStartElement(aSp);
aSp.Orientation(TopAbs_REVERSED);
aWES.AddStartElement(aSp);
}
continue;
}// if (aMFence.Add(aSp))
//
aSp.Orientation(anOriE);
bToReverse=BOPTools_Tools3D::IsSplitToReverse1(aSp, aE, aCtx);
if (bToReverse) {
aSp.Reverse();
}
aWES.AddStartElement(aSp);
}// for (; aIt.More(); aIt.Next()) {
}// for (; anExp.More(); anExp.Next()) {
//
// 2.1.2. Add In2D Parts
if (myInParts.Contains(aF)) {
const TopTools_ListOfShape& aLE=myInParts.FindFromKey(aF);
aIt.Initialize(aLE);
for (; aIt.More(); aIt.Next()) {
aSp=TopoDS::Edge(aIt.Value());
//
aSp.Orientation(TopAbs_FORWARD);
aWES.AddStartElement(aSp);
//
aSp.Orientation(TopAbs_REVERSED);
aWES.AddStartElement(aSp);
}
}
//
// 2.2. Build images Faces
TopTools_ListOfShape aLFR;
GEOMAlgo_ShapeSet aS1, aS2;
//
const TopTools_ListOfShape& aSE=aWES.StartElements();
aS1.Add(aSE);
aS2.Add(aFF, TopAbs_EDGE);
if (aS1.IsEqual(aS2)) {
aLFR.Append(aF);
}
else {
GEOMAlgo_BuilderFace aBF;
//
aBF.SetFace(aFF);
aBF.SetContext(aCtx);
aBF.SetShapes(aSE);
// <-DEB
aBF.Perform();
//
const TopTools_ListOfShape& aLF=aBF.Areas();
aIt.Initialize(aLF);
for (; aIt.More(); aIt.Next()) {
TopoDS_Shape& aFR=aIt.Value();
if (anOriF==TopAbs_REVERSED) {
aFR.Orientation(TopAbs_REVERSED);
}
aLFR.Append(aFR);
}
}
//
// 2.3. Collect draft images Faces
mySplitFaces.Bind(aF, aLFR);
}//for (i=1; i<=aNbF; ++i)
}
//=======================================================================
// function: FillSameDomainFaces
// purpose:
//=======================================================================
void GEOMAlgo_Builder::FillSameDomainFaces()
{
Standard_Boolean bIsSDF, bHasImage1, bHasImage2, bForward;
Standard_Integer i, j, aNbFF, nF1, nF2, aNbPBInOn, aNbC, aNbSE;
Standard_Integer aNbF1, aNbF2, i2s, aNbSD;
TopTools_MapOfShape aMFence;
TopTools_ListOfShape aLX1, aLX2;
TopTools_ListIteratorOfListOfShape aItF1, aItF2;
NMTTools_ListOfCoupleOfShape aLCS;
//
const NMTDS_ShapesDataStructure& aDS=*myPaveFiller->DS();
NMTTools_PaveFiller* pPF=myPaveFiller;
NMTDS_InterfPool* pIP=pPF->IP();
BOPTools_CArray1OfSSInterference& aFFs=pIP->SSInterferences();
const Handle(IntTools_Context)& aCtx= pPF->Context();
//
//
//mySameDomainShapes.Clear();
//
// 1. For each FF find among images of faces
// all pairs of same domain faces (SDF) [=> aLCS]
aNbFF=aFFs.Extent();
for (i=1; i<=aNbFF; ++i) {
BOPTools_SSInterference& aFF=aFFs(i);
aFF.Indices(nF1, nF2);
//
const TopoDS_Face& aF1=TopoDS::Face(aDS.Shape(nF1));
const TopoDS_Face& aF2=TopoDS::Face(aDS.Shape(nF2));
//
// if there are no in/on 2D split parts the faces nF1, nF2
// can not be SDF
const BOPTools_ListOfPaveBlock& aLPBInOn=aFF.PaveBlocks();
aNbPBInOn=aLPBInOn.Extent();
//
//===
const TColStd_ListOfInteger& aLSE=aFF.SharedEdges();
aNbSE=aLSE.Extent();
if (!aNbPBInOn && !aNbSE) {
continue;
}
//===
//
// if there is at least one section edge between faces nF1, nF2
// they can not be SDF
BOPTools_SequenceOfCurves& aSC=aFF.Curves();
aNbC=aSC.Length();
if (aNbC) {
continue;
}
//
// the faces are suspected to be SDF.
// Try to find SDF among images of nF1, nF2
aMFence.Clear();
//
//--------------------------------------------------------
bHasImage1=mySplitFaces.HasImage(aF1);
bHasImage2=mySplitFaces.HasImage(aF2);
//
aLX1.Clear();
if (!bHasImage1) {
aLX1.Append(aF1);
}
//
aLX2.Clear();
if (!bHasImage2) {
aLX2.Append(aF2);
}
//
const TopTools_ListOfShape& aLF1r=(bHasImage1)? mySplitFaces.Image(aF1) : aLX1;
const TopTools_ListOfShape& aLF2r=(bHasImage2)? mySplitFaces.Image(aF2) : aLX2;
//
TopTools_DataMapOfIntegerShape aMIS;
TColStd_ListIteratorOfListOfInteger aItLI;
NMTDS_BoxBndTreeSelector aSelector;
NMTDS_BoxBndTree aBBTree;
NCollection_UBTreeFiller <Standard_Integer, Bnd_Box> aTreeFiller(aBBTree);
//
aNbF1=aLF1r.Extent();
aNbF2=aLF2r.Extent();
bForward=(aNbF1<aNbF2);
//
const TopTools_ListOfShape& aLF1=bForward ? aLF1r : aLF2r;
const TopTools_ListOfShape& aLF2=bForward ? aLF2r : aLF1r;
//
// 1. aTreeFiller
aItF2.Initialize(aLF2);
for (i2s=1; aItF2.More(); aItF2.Next(), ++i2s) {
Bnd_Box aBoxF2s;
//
const TopoDS_Face& aF2s=*((TopoDS_Face*)(&aItF2.Value()));
//
BRepBndLib::Add(aF2s, aBoxF2s);
//
aMIS.Bind(i2s, aF2s);
//
aTreeFiller.Add(i2s, aBoxF2s);
}//for (i2s=1; aItF2.More(); aItF2.Next(), ++i2s) {
//
aTreeFiller.Fill();
//
// 2.
aItF1.Initialize(aLF1);
for (j=1; aItF1.More(); aItF1.Next(), ++j) {
Bnd_Box aBoxF1x;
//
const TopoDS_Face& aF1x=*((TopoDS_Face*)(&aItF1.Value()));
//
BRepBndLib::Add(aF1x, aBoxF1x);
//
aSelector.Clear();
aSelector.SetBox(aBoxF1x);
aNbSD=aBBTree.Select(aSelector);
if (!aNbSD) {
continue;
}
//
const TColStd_ListOfInteger& aLI=aSelector.Indices();
aItLI.Initialize(aLI);
for (; aItLI.More(); aItLI.Next()) {
i2s=aItLI.Value();
const TopoDS_Face& aF2y=*((TopoDS_Face*)(&aMIS.Find(i2s)));
//
bIsSDF=NMTTools_Tools::AreFacesSameDomain(aF1x, aF2y, aCtx);
if (bIsSDF) {
if (aMFence.Contains(aF1x) || aMFence.Contains(aF2y)) {
continue;
}
aMFence.Add(aF1x);
aMFence.Add(aF2y);
//
NMTTools_CoupleOfShape aCS;
//
aCS.SetShape1(aF1x);
aCS.SetShape2(aF2y);
aLCS.Append(aCS);
//
if (bForward) {
if (aF1x==aF1) {
if (!mySplitFaces.HasImage(aF1)) {
mySplitFaces.Bind(aF1, aF1);
}
}
if (aF2y==aF2) {
if (!mySplitFaces.HasImage(aF2)) {
mySplitFaces.Bind(aF2, aF2);
}
}
}
else {
if (aF1x==aF2) {
if (!mySplitFaces.HasImage(aF2)) {
mySplitFaces.Bind(aF2, aF2);
}
}
if (aF2y==aF1) {
if (!mySplitFaces.HasImage(aF1)) {
mySplitFaces.Bind(aF1, aF1);
}
}
}
//
break;
}//if (bIsSDF) {
}//for (; aItLI.More(); aItLI.Next()) {
}//for (; aItF1.More(); aItF1.Next()) {
}//for (i=1; i<=aNbFF; ++i)
//-------------------------------------------------------------
aNbC=aLCS.Extent();
if (!aNbC) {
return;
}
//
// 2. Find Chains
NMTTools_IndexedDataMapOfShapeIndexedMapOfShape aMC;
//
NMTTools_Tools::FindChains(aLCS, aMC);
//
Standard_Boolean bIsImage;
Standard_Integer aIx, aIxMin, aNbMSDF, k, aNbMFj;
TopoDS_Shape aFOld, aFSDmin;
TopTools_IndexedMapOfShape aMFj;
TopTools_DataMapOfShapeInteger aDMSI;
//
aItF1.Initialize(myShapes);
for (j=1; aItF1.More(); aItF1.Next(), ++j) {
const TopoDS_Shape& aSj=aItF1.Value();
aMFj.Clear();
TopExp::MapShapes(aSj, TopAbs_FACE, aMFj);
aNbMFj=aMFj.Extent();
for (k=1; k<=aNbMFj; ++k) {
const TopoDS_Shape& aFk=aMFj(k);
if (!aDMSI.IsBound(aFk)) {
aDMSI.Bind(aFk, j);
}
}
}
//
// 3. Fill the map of SDF mySameDomainFaces
aNbC=aMC.Extent();
for (i=1; i<=aNbC; ++i) {
// const TopoDS_Shape& aF=aMC.FindKey(i);
const TopTools_IndexedMapOfShape& aMSDF=aMC(i);
//
aNbMSDF=aMSDF.Extent();
for (j=1; j<=aNbMSDF; ++j) {
const TopoDS_Shape& aFSD=aMSDF(j);
bIsImage=mySplitFaces.IsImage(aFSD);
aFOld=aFSD;
if (bIsImage) {
aFOld=mySplitFaces.ImageFrom(aFSD);
}
//
aIx=aDMSI.Find(aFOld);
if (j==1) {
aIxMin=aIx;
aFSDmin=aFSD;
continue;
}
else {
if (aIx<aIxMin) {
aIxMin=aIx;
aFSDmin=aFSD;
}
}
}
//
for (j=1; j<=aNbMSDF; ++j) {
const TopoDS_Shape& aFSD=aMSDF(j);
mySameDomainShapes.Add(aFSD, aFSDmin);
}
}
//
}
bool NETGENPlugin_NETGEN_3D::Evaluate(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
MapShapeNbElems& aResMap)
{
int nbtri = 0, nbqua = 0;
double fullArea = 0.0;
for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
TopoDS_Face F = TopoDS::Face( exp.Current() );
SMESH_subMesh *sm = aMesh.GetSubMesh(F);
MapShapeNbElemsItr anIt = aResMap.find(sm);
if( anIt==aResMap.end() ) {
SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Submesh can not be evaluated",this));
return false;
}
std::vector<int> aVec = (*anIt).second;
nbtri += Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
nbqua += Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
GProp_GProps G;
BRepGProp::SurfaceProperties(F,G);
double anArea = G.Mass();
fullArea += anArea;
}
// collect info from edges
int nb0d_e = 0, nb1d_e = 0;
bool IsQuadratic = false;
bool IsFirst = true;
TopTools_MapOfShape tmpMap;
for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
TopoDS_Edge E = TopoDS::Edge(exp.Current());
if( tmpMap.Contains(E) )
continue;
tmpMap.Add(E);
SMESH_subMesh *aSubMesh = aMesh.GetSubMesh(exp.Current());
MapShapeNbElemsItr anIt = aResMap.find(aSubMesh);
if( anIt==aResMap.end() ) {
SMESH_ComputeErrorPtr& smError = aSubMesh->GetComputeError();
smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,
"Submesh can not be evaluated",this));
return false;
}
std::vector<int> aVec = (*anIt).second;
nb0d_e += aVec[SMDSEntity_Node];
nb1d_e += Max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]);
if(IsFirst) {
IsQuadratic = (aVec[SMDSEntity_Quad_Edge] > aVec[SMDSEntity_Edge]);
IsFirst = false;
}
}
tmpMap.Clear();
double ELen_face = sqrt(2.* ( fullArea/(nbtri+nbqua*2) ) / sqrt(3.0) );
double ELen_vol = pow( 72, 1/6. ) * pow( _maxElementVolume, 1/3. );
double ELen = Min(ELen_vol,ELen_face*2);
GProp_GProps G;
BRepGProp::VolumeProperties(aShape,G);
double aVolume = G.Mass();
double tetrVol = 0.1179*ELen*ELen*ELen;
double CoeffQuality = 0.9;
int nbVols = (int)aVolume/tetrVol/CoeffQuality;
int nb1d_f = (nbtri*3 + nbqua*4 - nb1d_e) / 2;
int nb1d_in = (int) ( nbVols*6 - nb1d_e - nb1d_f ) / 5;
std::vector<int> aVec(SMDSEntity_Last);
for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
if( IsQuadratic ) {
aVec[SMDSEntity_Node] = nb1d_in/6 + 1 + nb1d_in;
aVec[SMDSEntity_Quad_Tetra] = nbVols - nbqua*2;
aVec[SMDSEntity_Quad_Pyramid] = nbqua;
}
else {
aVec[SMDSEntity_Node] = nb1d_in/6 + 1;
aVec[SMDSEntity_Tetra] = nbVols - nbqua*2;
aVec[SMDSEntity_Pyramid] = nbqua;
}
SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
aResMap.insert(std::make_pair(sm,aVec));
return true;
}
//=======================================================================
// function: FillIn2DParts
// purpose:
//=======================================================================
void GEOMAlgo_Builder::FillIn2DParts()
{
const NMTDS_ShapesDataStructure& aDS=*myPaveFiller->DS();
NMTTools_PaveFiller* pPF=myPaveFiller;
NMTDS_InterfPool* pIP=pPF->IP();
BOPTools_CArray1OfSSInterference& aFFs=pIP->SSInterferences();
NMTTools_CommonBlockPool& aCBP=pPF->ChangeCommonBlockPool();
//
Standard_Integer j, nSpIn, nSpSc, aNbCurves;
Standard_Integer aNbS, nF, aNbCBP, n1, n2, aNbFFs, aNbSpIn;
TopTools_MapOfShape aMFence;
TopTools_ListOfShape aLSpIn;
TopoDS_Face aF;
NMTTools_ListIteratorOfListOfCommonBlock aItCB;
BOPTools_ListIteratorOfListOfPaveBlock aItPB;
//
myInParts.Clear();
//
aNbFFs=aFFs.Extent();
aNbCBP=aCBP.Extent();
//
aNbS=aDS.NumberOfShapesOfTheObject();
for (nF=1; nF<=aNbS; ++nF) {
if (aDS.GetShapeType(nF)!=TopAbs_FACE) {
continue;
}
//
aF=TopoDS::Face(aDS.Shape(nF));
//
aMFence.Clear();
aLSpIn.Clear();
//
// 1. In Parts
BOPTools_ListOfPaveBlock aLPBIn;
//
pPF->RealSplitsInFace(nF, aLPBIn);
//
aItPB.Initialize(aLPBIn);
for (; aItPB.More(); aItPB.Next()) {
const BOPTools_PaveBlock& aPB1=aItPB.Value();
nSpIn=aPB1.Edge();
const TopoDS_Shape& aSpIn=aDS.Shape(nSpIn);
aLSpIn.Append(aSpIn);
}
//
// 2. Section Parts
for (j=1; j<=aNbFFs; ++j) {
BOPTools_SSInterference& aFF=aFFs(j);
aFF.Indices(n1, n2);
if (!(n1==nF || n2==nF)) {
continue;
}
BOPTools_SequenceOfCurves& aSC=aFF.Curves();
aNbCurves=aSC.Length();
if (!aNbCurves) {
continue;
}
//
const BOPTools_Curve& aBC=aSC(1);
const BOPTools_ListOfPaveBlock& aLPB=aBC.NewPaveBlocks();
aItPB.Initialize(aLPB);
for (; aItPB.More(); aItPB.Next()) {
const BOPTools_PaveBlock& aPBSc=aItPB.Value();
nSpSc=aPBSc.Edge();
const TopoDS_Shape& aSpSc=aDS.Shape(nSpSc);
if (aMFence.Add(aSpSc)){
aLSpIn.Append(aSpSc);
}
}
}
aNbSpIn=aLSpIn.Extent();
if (aNbSpIn) {
myInParts.Add(aF, aLSpIn);
}
}//for (nF=1; nF<=aNbS; ++nF) {
}
//=======================================================================
// function: FillImagesContainers
// purpose:
//=======================================================================
void GEOMAlgo_Builder::FillImagesContainers(const TopAbs_ShapeEnum theType)
{
myErrorStatus=0;
//
Standard_Boolean bInterferred, bToReverse;
Standard_Integer i, aNbS;
TopAbs_ShapeEnum aType;
BRep_Builder aBB;
TopoDS_Iterator aIt;
TopTools_ListIteratorOfListOfShape aItIm;
TopTools_MapOfShape aMS;
TopTools_MapIteratorOfMapOfShape aItS;
//
const NMTDS_ShapesDataStructure& aDS=*myPaveFiller->DS();
NMTTools_PaveFiller* pPF=myPaveFiller;
const Handle(IntTools_Context)& aCtx= pPF->Context();
//
aNbS=aDS.NumberOfShapesOfTheObject();
for (i=1; i<=aNbS; ++i) {
const TopoDS_Shape& aC=aDS.Shape(i);
aType=aC.ShapeType();
if (aType==theType) {
aMS.Add(aC);
}
}
//
if (theType==TopAbs_COMPOUND) {
FillImagesCompounds(aMS, myImages);
return;
}
//
aItS.Initialize(aMS);
for (; aItS.More(); aItS.Next()) {
const TopoDS_Shape& aC=aItS.Key();
// whether the shape has image
bInterferred=Standard_False;
aIt.Initialize(aC);
for (; aIt.More(); aIt.Next()) {
const TopoDS_Shape& aF=aIt.Value();
if (myImages.HasImage(aF)) {
bInterferred=!bInterferred;
break;
}
}
if (!bInterferred) {
continue;
}
//
TopoDS_Shape aCIm;
GEOMAlgo_Tools3D::MakeContainer(theType, aCIm);
//
aIt.Initialize(aC);
for (; aIt.More(); aIt.Next()) {
const TopoDS_Shape& aF=aIt.Value();
if (myImages.HasImage(aF)) {
const TopTools_ListOfShape& aLFIm=myImages.Image(aF);
aItIm.Initialize(aLFIm);
for (; aItIm.More(); aItIm.Next()) {
TopoDS_Shape aFIm=aItIm.Value();
//
bToReverse=GEOMAlgo_Tools3D::IsSplitToReverse(aFIm, aF, aCtx);
if (bToReverse) {
aFIm.Reverse();
}
aBB.Add(aCIm, aFIm);
}
}
else {
aBB.Add(aCIm, aF);
}
}
myImages.Bind(aC, aCIm);
}// for (; aItS.More(); aItS.Next()) {
}
//=======================================================================
//function : FillIn3DParts
//purpose :
//=======================================================================
void GEOMAlgo_Builder::FillIn3DParts()
{
myErrorStatus=0;
//
const NMTDS_ShapesDataStructure& aDS=*myPaveFiller->DS();
NMTTools_PaveFiller* pPF=myPaveFiller;
const Handle(IntTools_Context)& aCtx= pPF->Context();
//
Standard_Boolean bIsIN, bHasImage;
Standard_Integer aNbS, aNbSolids, i, j, aNbFaces, aNbFP, aNbFPx, aNbFIN, aNbLIF;
TopAbs_ShapeEnum aType;
TopAbs_State aState;
TopTools_IndexedMapOfShape aMSolids, aMS, aMFaces, aMFIN;
TopTools_MapOfShape aMFDone;
TopTools_IndexedDataMapOfShapeListOfShape aMEF;
TopTools_ListIteratorOfListOfShape aItS;
TopoDS_Iterator aIt, aItF;
BRep_Builder aBB;
TopoDS_Solid aSolidSp;
TopoDS_Face aFP;
//
myDraftSolids.Clear();
//
aNbS=aDS.NumberOfShapesOfTheObject();
for (i=1; i<=aNbS; ++i) {
const TopoDS_Shape& aS=aDS.Shape(i);
//
aType=aS.ShapeType();
if (aType==TopAbs_SOLID) {
// all solids from DS
aMSolids.Add(aS);
}
else if (aType==TopAbs_FACE) {
// all faces (originals from DS or theirs images)
if (myImages.HasImage(aS)) {
const TopTools_ListOfShape& aLS=myImages.Image(aS);
aItS.Initialize(aLS);
for (; aItS.More(); aItS.Next()) {
const TopoDS_Shape& aFx=aItS.Value();
//
if (mySameDomainShapes.Contains(aFx)) {
const TopoDS_Shape& aFSDx=mySameDomainShapes.FindFromKey(aFx);
aMFaces.Add(aFSDx);
}
else {
aMFaces.Add(aFx);
}
}
}
else {
if (mySameDomainShapes.Contains(aS)) {
const TopoDS_Shape& aFSDx=mySameDomainShapes.FindFromKey(aS);
aMFaces.Add(aFSDx);
}
else {
aMFaces.Add(aS);
}
}
}
}
//
aNbFaces=aMFaces.Extent();
aNbSolids=aMSolids.Extent();
//
for (i=1; i<=aNbSolids; ++i) {
const TopoDS_Solid& aSolid=TopoDS::Solid(aMSolids(i));
aMFDone.Clear();
aMFIN.Clear();
aMEF.Clear();
//
aBB.MakeSolid(aSolidSp);
//
TopTools_ListOfShape aLIF;
//
BuildDraftSolid(aSolid, aSolidSp, aLIF);
aNbLIF=aLIF.Extent();
//
// 1 all faces/edges from aSolid [ aMS ]
bHasImage=Standard_False;
aMS.Clear();
aIt.Initialize(aSolid);
for (; aIt.More(); aIt.Next()) {
const TopoDS_Shape& aShell=aIt.Value();
//
if (myImages.HasImage(aShell)) {
bHasImage=Standard_True;
//
const TopTools_ListOfShape& aLS=myImages.Image(aShell);
aItS.Initialize(aLS);
for (; aItS.More(); aItS.Next()) {
const TopoDS_Shape& aSx=aItS.Value();
aMS.Add(aSx);
TopExp::MapShapes(aSx, TopAbs_FACE, aMS);
TopExp::MapShapes(aSx, TopAbs_EDGE, aMS);
TopExp::MapShapesAndAncestors(aSx, TopAbs_EDGE, TopAbs_FACE, aMEF);
}
}
else {
//aMS.Add(aShell);
TopExp::MapShapes(aShell, TopAbs_FACE, aMS);
//modified by NIZNHY-PKV Fri Dec 03 11:18:45 2010f
TopExp::MapShapes(aShell, TopAbs_EDGE, aMS);
//modified by NIZNHY-PKV Fri Dec 03 11:18:51 2010t
TopExp::MapShapesAndAncestors(aShell, TopAbs_EDGE, TopAbs_FACE, aMEF);
}
}
//
// 2 all faces that are not from aSolid [ aLFP1 ]
Standard_Integer aNbEFP;
TopTools_IndexedDataMapOfShapeListOfShape aMEFP;
TopTools_ListIteratorOfListOfShape aItFP, aItEx;
TopTools_MapOfShape aMFence;
TopTools_ListOfShape aLFP1, aLFP2, aLFP, aLCBF, aLFIN, aLEx;//*pLFP,
//
// for all non-solid faces build EF map [ aMEFP ]
for (j=1; j<=aNbFaces; ++j) {
const TopoDS_Shape& aFace=aMFaces(j);
if (!aMS.Contains(aFace)) {
TopExp::MapShapesAndAncestors(aFace, TopAbs_EDGE, TopAbs_FACE, aMEFP);
}
}
//
// among all faces from aMEFP select these that have same edges
// with the solid (i.e aMEF). These faces will be treated first
// to prevent the usage of 3D classifier.
// The full list of faces to process is aLFP1.
aNbEFP=aMEFP.Extent();
for (j=1; j<=aNbEFP; ++j) {
const TopoDS_Shape& aE=aMEFP.FindKey(j);
//
if (aMEF.Contains(aE)) { // !!
const TopTools_ListOfShape& aLF=aMEFP(j);
aItFP.Initialize(aLF);
for (; aItFP.More(); aItFP.Next()) {
const TopoDS_Shape& aF=aItFP.Value();
if (aMFence.Add(aF)) {
aLFP1.Append(aF);
}
}
}
else {
aLEx.Append(aE);
}
}
//
aItEx.Initialize(aLEx);
for (; aItEx.More(); aItEx.Next()) {
const TopoDS_Shape& aE=aItEx.Value();
const TopTools_ListOfShape& aLF=aMEFP.FindFromKey(aE);
aItFP.Initialize(aLF);
for (; aItFP.More(); aItFP.Next()) {
const TopoDS_Shape& aF=aItFP.Value();
if (aMFence.Add(aF)) {
aLFP2.Append(aF);
}
}
}
aLFP1.Append(aLFP2);
//==========
//
// 3 Process faces aLFP1
aNbFP=aLFP1.Extent();
aItFP.Initialize(aLFP1);
for (; aItFP.More(); aItFP.Next()) {
const TopoDS_Shape& aSP=aItFP.Value();
if (!aMFDone.Add(aSP)) {
continue;
}
//
// first face to process
aFP=TopoDS::Face(aSP);
bIsIN= GEOMAlgo_Tools3D::IsInternalFace(aFP, aSolidSp, aMEF, 1.e-14, aCtx);
aState=(bIsIN) ? TopAbs_IN : TopAbs_OUT;
//
// collect faces to process [ aFP is the first ]
aLFP.Clear();
aLFP.Append(aFP);
aItS.Initialize(aLFP1);
for (; aItS.More(); aItS.Next()) {
const TopoDS_Shape& aSk=aItS.Value();
if (!aMFDone.Contains(aSk)) {
aLFP.Append(aSk);
}
}
//
// Connexity Block that spreads from aFP the Bound
// or till the end of the block itself
aLCBF.Clear();
GEOMAlgo_Tools3D::MakeConnexityBlock(aLFP, aMS, aLCBF);
//
// fill states for the Connexity Block
aItS.Initialize(aLCBF);
for (; aItS.More(); aItS.Next()) {
const TopoDS_Shape& aSx=aItS.Value();
aMFDone.Add(aSx);
if (aState==TopAbs_IN) {
aMFIN.Add(aSx);
}
}
//
aNbFPx=aMFDone.Extent();
if (aNbFPx==aNbFP) {
break;
}
}//for (; aItFP.More(); aItFP.Next())
//
// faces Inside aSolid
aLFIN.Clear();
aNbFIN=aMFIN.Extent();
if (aNbFIN || aNbLIF) {
for (j=1; j<=aNbFIN; ++j) {
const TopoDS_Shape& aFIN=aMFIN(j);
aLFIN.Append(aFIN);
}
//
aItS.Initialize(aLIF);
for (; aItS.More(); aItS.Next()) {
const TopoDS_Shape& aFIN=aItS.Value();
aLFIN.Append(aFIN);
}
//
myInParts.Add(aSolid, aLFIN);
}
if (aNbFIN || bHasImage) {
myDraftSolids.Add(aSolid, aSolidSp);
}
}//for (i=1; i<=aNbSolids; ++i) { // next solid
}
//=======================================================================
// function: FillImagesEdges
// purpose:
//=======================================================================
void GEOMAlgo_Builder::FillImagesEdges()
{
myErrorStatus=0;
//
const NMTDS_ShapesDataStructure& aDS=*myPaveFiller->DS();
NMTTools_PaveFiller* pPF=myPaveFiller;
const BOPTools_SplitShapesPool& aSSP=pPF->SplitShapesPool();
const Handle(IntTools_Context)& aCtx=pPF->Context();
//
Standard_Boolean bToReverse;
Standard_Integer i, aNb, aNbSp, nSp, nSpR, nSpx, aIsCB, aNbLB;
TColStd_ListIteratorOfListOfInteger aItLB;
TColStd_ListOfInteger aLB;
TopoDS_Edge aEE, aESpR;
TopTools_MapOfShape aMFence;
TopTools_ListOfShape aLSp;
TopTools_ListIteratorOfListOfShape aIt1;
BOPTools_ListIteratorOfListOfPaveBlock aIt;
//
aNb=aDS.NumberOfShapesOfTheObject();
for (i=1; i<=aNb; ++i) {
const TopoDS_Shape& aE=aDS.Shape(i);
if (aE.ShapeType()!=TopAbs_EDGE) {
continue;
}
//
if (!aMFence.Add(aE)) {
continue;
}
//
const BOPTools_ListOfPaveBlock& aLPB=aSSP(aDS.RefEdge(i));
aNbSp=aLPB.Extent();
if (!aNbSp) {
continue;
}
//
aEE=TopoDS::Edge(aE);
aLSp.Clear();
//
if (aNbSp==1) {
const BOPTools_PaveBlock& aPB=aLPB.First();
nSp=aPB.Edge();
const TopoDS_Shape& aSp=aDS.Shape(nSp);
//
const BOPTools_PaveBlock& aPBR=pPF->RealPaveBlock(aPB, aLB, aIsCB);
//modified by NIZNHY-PKV Wed Oct 27 11:19:30 2010f
aNbLB=aLB.Extent();
if (aIsCB && aNbLB<2) {
aIsCB=0;
}
//modified by NIZNHY-PKV Wed Oct 27 11:19:34 2010t
//
nSpR=aPBR.Edge();
const TopoDS_Shape& aSpR=aDS.Shape(nSpR);
if (aSpR.IsSame(aSp) && aSpR.IsSame(aE) && !aIsCB) {
continue;
}
//
aESpR=TopoDS::Edge(aSpR);
bToReverse=GEOMAlgo_Tools3D::IsSplitToReverse(aESpR, aEE, aCtx);
if (bToReverse) {
aESpR.Reverse();
}
aLSp.Append(aESpR);
//
aItLB.Initialize(aLB);
for (; aItLB.More(); aItLB.Next()) {
nSpx=aItLB.Value();
const TopoDS_Shape& aSpx=aDS.Shape(nSpx);
mySameDomainShapes.Add(aSpx ,aSpR);
}
//
//
}// if (aNbSp==1) {
else {
aIt.Initialize(aLPB);
for (; aIt.More(); aIt.Next()) {
const BOPTools_PaveBlock& aPB=aIt.Value();
const BOPTools_PaveBlock& aPBR=pPF->RealPaveBlock(aPB, aLB, aIsCB);
nSpR=aPBR.Edge();
const TopoDS_Shape& aSpR=aDS.Shape(nSpR);
//
aESpR=TopoDS::Edge(aSpR);
bToReverse=GEOMAlgo_Tools3D::IsSplitToReverse(aESpR, aEE, aCtx);
if (bToReverse) {
aESpR.Reverse();
}
aLSp.Append(aESpR);
//
aItLB.Initialize(aLB);
for (; aItLB.More(); aItLB.Next()) {
nSpx=aItLB.Value();
const TopoDS_Shape& aSpx=aDS.Shape(nSpx);
mySameDomainShapes.Add(aSpx ,aSpR);
}
}
}
//
myImages.Bind(aE, aLSp);
}//for (i=1; i<=aNb; ++i)
}
//=======================================================================
//function : BuildSplitSolids
//purpose :
//=======================================================================
void GEOMAlgo_Builder::BuildSplitSolids()
{
myErrorStatus=0;
//
const NMTDS_ShapesDataStructure& aDS=*myPaveFiller->DS();
NMTTools_PaveFiller* pPF=myPaveFiller;
const Handle(IntTools_Context)& aCtx= pPF->Context();
//
Standard_Integer i, aNbS, iErr;
TopExp_Explorer aExp;
TopTools_ListOfShape aSFS, aLSEmpty;
TopTools_MapOfShape aMFence;
TopTools_ListIteratorOfListOfShape aIt;
GEOMAlgo_BuilderSolid aSB;
GEOMAlgo_DataMapIteratorOfDataMapOfShapeShapeSet aItSS;
GEOMAlgo_DataMapOfShapeShapeSet aMSS;
GEOMAlgo_ShapeSet aSSi;
//
// 0. Find same domain solids for non-interferred solids
aNbS=aDS.NumberOfShapesOfTheObject();
for (i=1; i<=aNbS; ++i) {
const TopoDS_Shape& aS=aDS.Shape(i);
if (aS.ShapeType()!=TopAbs_SOLID) {
continue;
}
if (!aMFence.Add(aS)) {
continue;
}
if(myDraftSolids.Contains(aS)) {
continue;
}
//
aSSi.Clear();
aSSi.Add(aS, TopAbs_FACE);
//
aMSS.Bind(aS, aSSi);
} //for (i=1; i<=aNbS; ++i)
//
// 1. Build solids for interferred source solids
aSB.SetContext(aCtx);
aSB.ComputeInternalShapes(myComputeInternalShapes);
aNbS=myDraftSolids.Extent();
for (i=1; i<=aNbS; ++i) {
const TopoDS_Shape& aS =myDraftSolids.FindKey(i);
const TopoDS_Shape& aSD=myDraftSolids.FindFromIndex(i);
const TopTools_ListOfShape& aLFIN=
(myInParts.Contains(aS)) ? myInParts.FindFromKey(aS) : aLSEmpty;
//
// 1.1 Fill Shell Faces Set
aSFS.Clear();
aExp.Init(aSD, TopAbs_FACE);
for (; aExp.More(); aExp.Next()) {
const TopoDS_Shape& aF=aExp.Current();
aSFS.Append(aF);
}
//
aIt.Initialize(aLFIN);
for (; aIt.More(); aIt.Next()) {
TopoDS_Shape aF=aIt.Value();
//
aF.Orientation(TopAbs_FORWARD);
aSFS.Append(aF);
aF.Orientation(TopAbs_REVERSED);
aSFS.Append(aF);
}
//
Standard_Integer aNbSFS;
aNbSFS=aSFS.Extent();
//
// 1.2
// Check whether aSFS contains a subsets of faces
// of solids that have been already built.
// If yes, shrink aSFS by these subsets.
aSSi.Clear();
aSSi.Add(aSFS);
//
aItSS.Initialize(aMSS);
for (; aItSS.More(); aItSS.Next()) {
const TopoDS_Shape& aSR=aItSS.Key();
const GEOMAlgo_ShapeSet& aSSR=aItSS.Value();
if (aSSi.Contains(aSSR)) {
// the aSR is SD solid for aS
aSSi.Subtract(aSSR);
// update images
if(myImages.HasImage(aS)) {
myImages.Add(aS, aSR);
}
else {
myImages.Bind(aS, aSR);
}
//
// update SD Shapes
mySameDomainShapes.Add(aSR, aSR);
}
}
const TopTools_ListOfShape& aSFS1=aSSi.GetSet();
aNbSFS=aSFS1.Extent();
//modified by NIZNHY-PKV Wed Oct 27 09:53:15 2010f
if (!aNbSFS) {
continue;
}
//modified by NIZNHY-PKV Wed Oct 27 09:53:18 2010t
//
// 1.3 Build new solids
aSB.SetContext(aCtx);
aSB.SetShapes(aSFS1);
aSB.Perform();
iErr=aSB.ErrorStatus();
if (iErr) {
myErrorStatus=30; // SolidBuilder failed
return;
}
//
const TopTools_ListOfShape& aLSR=aSB.Areas();
//
// 1.4 Collect resulting solids and theirs set of faces
aIt.Initialize(aLSR);
for (; aIt.More(); aIt.Next()) {
const TopoDS_Shape& aSR=aIt.Value();
//
aSSi.Clear();
aExp.Init(aSR, TopAbs_FACE);
for (; aExp.More(); aExp.Next()) {
const TopoDS_Shape& aF=aExp.Current();
aSSi.Add(aF);
}
aMSS.Bind(aSR, aSSi);
}
//
// Update images
if (myImages.HasImage(aS)) {
myImages.Add(aS, aLSR);
}
else {
myImages.Bind(aS, aLSR);
}
} // for (i=1; i<=aNbS; ++i) {
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_ChamferDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOMImpl_IChamfer aCI (aFunction);
Standard_Integer aType = aFunction->GetType();
TopoDS_Shape aShape;
Handle(GEOM_Function) aRefShape = aCI.GetShape();
TopoDS_Shape aShapeBase = aRefShape->GetValue();
// Check the shape type. It have to be shell
// or solid, or compsolid, or compound of these shapes.
if (!isGoodForChamfer(aShapeBase)) {
StdFail_NotDone::Raise
("Wrong shape. Must be shell or solid, or compsolid or compound of these shapes");
}
BRepFilletAPI_MakeChamfer fill (aShapeBase);
if (aType == CHAMFER_SHAPE_ALL) {
// symmetric chamfer on all edges
double aD = aCI.GetD();
TopTools_IndexedDataMapOfShapeListOfShape M;
GEOMImpl_Block6Explorer::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, M);
for (int i = 1; i <= M.Extent(); i++) {
TopoDS_Edge E = TopoDS::Edge(M.FindKey(i));
TopoDS_Face F = TopoDS::Face(M.FindFromIndex(i).First());
if (!BRepTools::IsReallyClosed(E, F) &&
!BRep_Tool::Degenerated(E) &&
M.FindFromIndex(i).Extent() == 2)
fill.Add(aD, E, F);
}
}
else if (aType == CHAMFER_SHAPE_EDGE || aType == CHAMFER_SHAPE_EDGE_AD) {
// chamfer on edges, common to two faces, with D1 on the first face
TopoDS_Shape aFace1, aFace2;
if (GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.GetFace1(), aFace1) &&
GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.GetFace2(), aFace2))
{
TopoDS_Face F = TopoDS::Face(aFace1);
// fill map of edges of the second face
TopTools_MapOfShape aMap;
TopExp_Explorer Exp2 (aFace2, TopAbs_EDGE);
for (; Exp2.More(); Exp2.Next()) {
aMap.Add(Exp2.Current());
}
// find edges of the first face, common with the second face
TopExp_Explorer Exp (aFace1, TopAbs_EDGE);
for (; Exp.More(); Exp.Next()) {
if (aMap.Contains(Exp.Current())) {
TopoDS_Edge E = TopoDS::Edge(Exp.Current());
if (!BRepTools::IsReallyClosed(E, F) && !BRep_Tool::Degenerated(E))
{
if ( aType == CHAMFER_SHAPE_EDGE )
{
double aD1 = aCI.GetD1();
double aD2 = aCI.GetD2();
fill.Add(aD1, aD2, E, F);
}
else
{
double aD = aCI.GetD();
double anAngle = aCI.GetAngle();
if ( (anAngle > 0) && (anAngle < (M_PI/2.)) )
fill.AddDA(aD, anAngle, E, F);
}
}
}
}
}
}
else if (aType == CHAMFER_SHAPE_FACES || aType == CHAMFER_SHAPE_FACES_AD) {
// chamfer on all edges of the selected faces, with D1 on the selected face
// (on first selected face, if the edge belongs to two selected faces)
int aLen = aCI.GetLength();
int ind = 1;
TopTools_MapOfShape aMap;
TopTools_IndexedDataMapOfShapeListOfShape M;
GEOMImpl_Block6Explorer::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, M);
for (; ind <= aLen; ind++)
{
TopoDS_Shape aShapeFace;
if (GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.GetFace(ind), aShapeFace))
{
TopoDS_Face F = TopoDS::Face(aShapeFace);
TopExp_Explorer Exp (F, TopAbs_EDGE);
for (; Exp.More(); Exp.Next()) {
if (!aMap.Contains(Exp.Current()))
{
TopoDS_Edge E = TopoDS::Edge(Exp.Current());
if (!BRepTools::IsReallyClosed(E, F) &&
!BRep_Tool::Degenerated(E) &&
M.FindFromKey(E).Extent() == 2)
{
if (aType == CHAMFER_SHAPE_FACES)
{
double aD1 = aCI.GetD1();
double aD2 = aCI.GetD2();
fill.Add(aD1, aD2, E, F);
}
else
{
double aD = aCI.GetD();
double anAngle = aCI.GetAngle();
if ( (anAngle > 0) && (anAngle < (M_PI/2.)) )
fill.AddDA(aD, anAngle, E, F);
}
}
}
}
}
}
}
else if (aType == CHAMFER_SHAPE_EDGES || aType == CHAMFER_SHAPE_EDGES_AD)
{
// chamfer on selected edges with lenght param D1 & D2.
int aLen = aCI.GetLength();
int ind = 1;
TopTools_MapOfShape aMap;
TopTools_IndexedDataMapOfShapeListOfShape M;
GEOMImpl_Block6Explorer::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, M);
for (; ind <= aLen; ind++)
{
TopoDS_Shape aShapeEdge;
if (GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.GetEdge(ind), aShapeEdge))
{
TopoDS_Edge E = TopoDS::Edge(aShapeEdge);
const TopTools_ListOfShape& aFacesList = M.FindFromKey(E);
TopoDS_Face F = TopoDS::Face( aFacesList.First() );
if (aType == CHAMFER_SHAPE_EDGES)
{
double aD1 = aCI.GetD1();
double aD2 = aCI.GetD2();
fill.Add(aD1, aD2, E, F);
}
else
{
double aD = aCI.GetD();
double anAngle = aCI.GetAngle();
if ( (anAngle > 0) && (anAngle < (M_PI/2.)) )
fill.AddDA(aD, anAngle, E, F);
}
}
}
}
else {
}
fill.Build();
if (!fill.IsDone()) {
StdFail_NotDone::Raise("Chamfer can not be computed on the given shape with the given parameters");
}
aShape = fill.Shape();
if (aShape.IsNull()) return 0;
// reduce tolerances
ShapeFix_ShapeTolerance aSFT;
aSFT.LimitTolerance(aShape, Precision::Confusion(),
Precision::Confusion(), TopAbs_SHAPE);
Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape(aShape);
aSfs->Perform();
aShape = aSfs->Shape();
// fix SameParameter flag
BRepLib::SameParameter(aShape, 1.E-5, Standard_True);
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
bool NETGENPlugin_NETGEN_2D_ONLY::Evaluate(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
MapShapeNbElems& aResMap)
{
TopoDS_Face F = TopoDS::Face(aShape);
if(F.IsNull())
return false;
// collect info from edges
int nb0d = 0, nb1d = 0;
bool IsQuadratic = false;
bool IsFirst = true;
double fullLen = 0.0;
TopTools_MapOfShape tmpMap;
for (TopExp_Explorer exp(F, TopAbs_EDGE); exp.More(); exp.Next()) {
TopoDS_Edge E = TopoDS::Edge(exp.Current());
if( tmpMap.Contains(E) )
continue;
tmpMap.Add(E);
SMESH_subMesh *aSubMesh = aMesh.GetSubMesh(exp.Current());
MapShapeNbElemsItr anIt = aResMap.find(aSubMesh);
if( anIt==aResMap.end() ) {
SMESH_subMesh *sm = aMesh.GetSubMesh(F);
SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Submesh can not be evaluated",this));
return false;
}
std::vector<int> aVec = (*anIt).second;
nb0d += aVec[SMDSEntity_Node];
nb1d += Max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]);
double aLen = SMESH_Algo::EdgeLength(E);
fullLen += aLen;
if(IsFirst) {
IsQuadratic = (aVec[SMDSEntity_Quad_Edge] > aVec[SMDSEntity_Edge]);
IsFirst = false;
}
}
tmpMap.Clear();
// compute edge length
double ELen = 0;
if (_hypLengthFromEdges || (!_hypLengthFromEdges && !_hypMaxElementArea)) {
if ( nb1d > 0 )
ELen = fullLen / nb1d;
}
if ( _hypMaxElementArea ) {
double maxArea = _hypMaxElementArea->GetMaxArea();
ELen = sqrt(2. * maxArea/sqrt(3.0));
}
GProp_GProps G;
BRepGProp::SurfaceProperties(F,G);
double anArea = G.Mass();
const int hugeNb = numeric_limits<int>::max()/10;
if ( anArea / hugeNb > ELen*ELen )
{
SMESH_subMesh *sm = aMesh.GetSubMesh(F);
SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Submesh can not be evaluated.\nToo small element length",this));
return false;
}
int nbFaces = (int) ( anArea / ( ELen*ELen*sqrt(3.) / 4 ) );
int nbNodes = (int) ( ( nbFaces*3 - (nb1d-1)*2 ) / 6 + 1 );
std::vector<int> aVec(SMDSEntity_Last);
for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
if( IsQuadratic ) {
aVec[SMDSEntity_Node] = nbNodes;
aVec[SMDSEntity_Quad_Triangle] = nbFaces;
}
else {
aVec[SMDSEntity_Node] = nbNodes;
aVec[SMDSEntity_Triangle] = nbFaces;
}
SMESH_subMesh *sm = aMesh.GetSubMesh(F);
aResMap.insert(std::make_pair(sm,aVec));
return true;
}
//=======================================================================
//function : GetEdgeNearPoint
//purpose :
//=======================================================================
TopoDS_Shape GEOMUtils::GetEdgeNearPoint (const TopoDS_Shape& theShape,
const TopoDS_Vertex& thePoint)
{
TopoDS_Shape aResult;
// 1. Explode the shape on edges
TopTools_MapOfShape mapShape;
Standard_Integer nbEdges = 0;
TopExp_Explorer exp (theShape, TopAbs_EDGE);
for (; exp.More(); exp.Next()) {
if (mapShape.Add(exp.Current())) {
nbEdges++;
}
}
if (nbEdges == 0)
Standard_NullObject::Raise("Given shape contains no edges");
mapShape.Clear();
Standard_Integer ind = 1;
TopTools_Array1OfShape anEdges (1, nbEdges);
TColStd_Array1OfReal aDistances (1, nbEdges);
for (exp.Init(theShape, TopAbs_EDGE); exp.More(); exp.Next()) {
if (mapShape.Add(exp.Current())) {
TopoDS_Shape anEdge = exp.Current();
anEdges(ind) = anEdge;
// 2. Classify the point relatively each edge
BRepExtrema_DistShapeShape aDistTool (thePoint, anEdges(ind));
if (!aDistTool.IsDone())
Standard_ConstructionError::Raise("Cannot find a distance from the given point to one of edges");
aDistances(ind) = aDistTool.Value();
ind++;
}
}
// 3. Define edge, having minimum distance to the point
Standard_Real nearest = RealLast(), nbFound = 0;
Standard_Real prec = Precision::Confusion();
for (ind = 1; ind <= nbEdges; ind++) {
if (Abs(aDistances(ind) - nearest) < prec) {
nbFound++;
}
else if (aDistances(ind) < nearest) {
nearest = aDistances(ind);
aResult = anEdges(ind);
nbFound = 1;
}
else {
}
}
if (nbFound > 1) {
Standard_ConstructionError::Raise("Multiple edges near the given point are found");
}
else if (nbFound == 0) {
Standard_ConstructionError::Raise("There are no edges near the given point");
}
else {
}
return aResult;
}
