//=======================================================================
//function : LimitTolerance
//purpose :
//=======================================================================
void GEOMImpl_HealingDriver::LimitTolerance (GEOMImpl_IHealing* theHI,
const TopoDS_Shape& theOriginalShape,
TopoDS_Shape& theOutShape) const
{
Standard_Real aTol = theHI->GetTolerance();
if (aTol < Precision::Confusion())
aTol = Precision::Confusion();
// 1. Make a copy to prevent the original shape changes.
TopoDS_Shape aShapeCopy;
TColStd_IndexedDataMapOfTransientTransient aMapTShapes;
TNaming_CopyShape::CopyTool(theOriginalShape, aMapTShapes, aShapeCopy);
// 2. Limit tolerance.
ShapeFix_ShapeTolerance aSFT;
aSFT.LimitTolerance(aShapeCopy, aTol, aTol, TopAbs_SHAPE);
// 3. Fix obtained shape.
Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape (aShapeCopy);
aSfs->Perform();
theOutShape = aSfs->Shape();
BRepCheck_Analyzer ana (theOutShape, Standard_True);
if (!ana.IsValid())
StdFail_NotDone::Raise("Non valid shape result");
}
//! make a clean wire with sorted, oriented, connected, etc edges
TopoDS_Wire EdgeWalker::makeCleanWire(std::vector<TopoDS_Edge> edges, double tol)
{
TopoDS_Wire result;
BRepBuilderAPI_MakeWire mkWire;
ShapeFix_ShapeTolerance sTol;
Handle(ShapeExtend_WireData) wireData = new ShapeExtend_WireData();
for (auto e:edges) {
wireData->Add(e);
}
Handle(ShapeFix_Wire) fixer = new ShapeFix_Wire;
fixer->Load(wireData);
fixer->Perform();
fixer->FixReorder();
fixer->SetMaxTolerance(tol);
fixer->ClosedWireMode() = Standard_True;
fixer->FixConnected(Precision::Confusion());
fixer->FixClosed(Precision::Confusion());
for (int i = 1; i <= wireData->NbEdges(); i ++) {
TopoDS_Edge edge = fixer->WireData()->Edge(i);
sTol.SetTolerance(edge, tol, TopAbs_VERTEX);
mkWire.Add(edge);
}
result = mkWire.Wire();
return result;
}
bool IfcGeom::convert_wire_to_face(const TopoDS_Wire& wire, TopoDS_Face& face) {
BRepBuilderAPI_MakeFace mf(wire, false);
BRepBuilderAPI_FaceError er = mf.Error();
if ( er == BRepBuilderAPI_NotPlanar ) {
ShapeFix_ShapeTolerance FTol;
FTol.SetTolerance(wire, 0.01, TopAbs_WIRE);
mf.~BRepBuilderAPI_MakeFace();
new (&mf) BRepBuilderAPI_MakeFace(wire);
er = mf.Error();
}
if ( er != BRepBuilderAPI_FaceDone ) return false;
face = mf.Face();
return true;
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_ScaleDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOMImpl_IScale aCI (aFunction);
Standard_Integer aType = aFunction->GetType();
TopoDS_Shape aShape;
if (aType == SCALE_SHAPE || aType == SCALE_SHAPE_COPY) {
Handle(GEOM_Function) aRefShape = aCI.GetShape();
TopoDS_Shape aShapeBase = aRefShape->GetValue();
if (aShapeBase.IsNull()) return 0;
gp_Pnt aP (0,0,0);
Handle(GEOM_Function) aRefPoint = aCI.GetPoint();
if (!aRefPoint.IsNull()) {
TopoDS_Shape aShapePnt = aRefPoint->GetValue();
if (aShapePnt.IsNull()) return 0;
if (aShapePnt.ShapeType() != TopAbs_VERTEX) return 0;
aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
}
// Bug 6839: Check for standalone (not included in faces) degenerated edges
TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
TopExp::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, aEFMap);
Standard_Integer i, nbE = aEFMap.Extent();
for (i = 1; i <= nbE; i++) {
TopoDS_Shape anEdgeSh = aEFMap.FindKey(i);
if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeSh))) {
const TopTools_ListOfShape& aFaces = aEFMap.FindFromIndex(i);
if (aFaces.IsEmpty())
Standard_ConstructionError::Raise
("Scaling aborted : cannot scale standalone degenerated edge");
}
}
// Perform Scaling
gp_Trsf aTrsf;
aTrsf.SetScale(aP, aCI.GetFactor());
BRepBuilderAPI_Transform aBRepTrsf (aShapeBase, aTrsf, Standard_False);
aShape = aBRepTrsf.Shape();
}
else if (aType == SCALE_SHAPE_AFFINE || aType == SCALE_SHAPE_AFFINE_COPY) {
Handle(GEOM_Function) aRefShape = aCI.GetShape();
Handle(GEOM_Function) aRefVector = aCI.GetVector();
TopoDS_Shape aShapeBase = aRefShape->GetValue();
TopoDS_Shape aShapeVector = aRefVector->GetValue();
if (aShapeBase.IsNull() || aShapeVector.IsNull()) return 0;
if (aShapeVector.ShapeType() != TopAbs_EDGE) return 0;
TopoDS_Edge anEdgeVector = TopoDS::Edge(aShapeVector);
// Bug 6839: Check for standalone (not included in faces) degenerated edges
TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
TopExp::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, aEFMap);
Standard_Integer i, nbE = aEFMap.Extent();
for (i = 1; i <= nbE; i++) {
TopoDS_Shape anEdgeSh = aEFMap.FindKey(i);
if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeSh))) {
const TopTools_ListOfShape& aFaces = aEFMap.FindFromIndex(i);
if (aFaces.IsEmpty())
Standard_ConstructionError::Raise
("Scaling aborted : cannot scale standalone degenerated edge");
}
}
//Get axis
gp_Pnt aP1 = BRep_Tool::Pnt(TopExp::FirstVertex(anEdgeVector));
gp_Pnt aP2 = BRep_Tool::Pnt(TopExp::LastVertex(anEdgeVector));
gp_Dir aDir(gp_Vec(aP1, aP2));
gp_Ax2 anAx2(aP1, aDir);
// Perform Scaling
gp_GTrsf aGTrsf;
aGTrsf.SetAffinity(anAx2, aCI.GetFactor());
BRepBuilderAPI_GTransform aBRepGTrsf(aShapeBase, aGTrsf, Standard_False);
aShape = aBRepGTrsf.Shape();
}
else if (aType == SCALE_SHAPE_AXES || aType == SCALE_SHAPE_AXES_COPY) {
Handle(GEOM_Function) aRefShape = aCI.GetShape();
TopoDS_Shape aShapeBase = aRefShape->GetValue();
if (aShapeBase.IsNull()) return 0;
bool isP = false;
gp_Pnt aP (0,0,0);
Handle(GEOM_Function) aRefPoint = aCI.GetPoint();
if (!aRefPoint.IsNull()) {
TopoDS_Shape aShapePnt = aRefPoint->GetValue();
if (aShapePnt.IsNull()) return 0;
if (aShapePnt.ShapeType() != TopAbs_VERTEX) return 0;
aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
isP = true;
}
// Bug 6839: Check for standalone (not included in faces) degenerated edges
TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
TopExp::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, aEFMap);
Standard_Integer i, nbE = aEFMap.Extent();
for (i = 1; i <= nbE; i++) {
TopoDS_Shape anEdgeSh = aEFMap.FindKey(i);
if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeSh))) {
const TopTools_ListOfShape& aFaces = aEFMap.FindFromIndex(i);
if (aFaces.IsEmpty())
Standard_ConstructionError::Raise
("Scaling aborted : cannot scale standalone degenerated edge");
}
}
// Perform Scaling
gp_GTrsf aGTrsf;
gp_Mat rot (aCI.GetFactorX(), 0, 0,
0, aCI.GetFactorY(), 0,
0, 0, aCI.GetFactorZ());
aGTrsf.SetVectorialPart(rot);
if (isP) {
gp_Pnt anO (0,0,0);
if (anO.Distance(aP) > Precision::Confusion()) {
gp_GTrsf aGTrsfP0;
aGTrsfP0.SetTranslationPart(anO.XYZ() - aP.XYZ());
gp_GTrsf aGTrsf0P;
aGTrsf0P.SetTranslationPart(aP.XYZ());
//aGTrsf = aGTrsf0P * aGTrsf * aGTrsfP0;
aGTrsf = aGTrsf0P.Multiplied(aGTrsf);
aGTrsf = aGTrsf.Multiplied(aGTrsfP0);
}
}
BRepBuilderAPI_GTransform aBRepGTrsf (aShapeBase, aGTrsf, Standard_False);
if (!aBRepGTrsf.IsDone())
Standard_ConstructionError::Raise("Scaling not done");
aShape = aBRepGTrsf.Shape();
} else {
}
if (aShape.IsNull()) return 0;
// Check shape validity
BRepCheck_Analyzer ana (aShape, false);
if (!ana.IsValid()) {
ShapeFix_ShapeTolerance aSFT;
aSFT.LimitTolerance(aShape,Precision::Confusion(),Precision::Confusion());
Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape(aShape);
aSfs->SetPrecision(Precision::Confusion());
aSfs->Perform();
aShape = aSfs->Shape();
ana.Init(aShape, Standard_False);
if (!ana.IsValid()) {
Standard_CString anErrStr("Scaling aborted : non valid shape result");
#ifdef THROW_ON_INVALID_SH
Standard_ConstructionError::Raise(anErrStr);
#else
MESSAGE(anErrStr);
//further processing can be performed here
//...
//in case of failure of automatic treatment
//mark the corresponding GEOM_Object as problematic
TDF_Label aLabel = aFunction->GetOwnerEntry();
if (!aLabel.IsRoot()) {
Handle(GEOM_Object) aMainObj = GEOM_Object::GetObject(aLabel);
if (!aMainObj.IsNull())
aMainObj->SetDirty(Standard_True);
}
#endif
}
}
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
//=======================================================================
//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;
}
App::DocumentObjectExecReturn *Chamfer::execute(void)
{
// NOTE: Normally the Base property and the BaseFeature property should point to the same object.
// The only difference is that the Base property also stores the edges that are to be chamfered
Part::TopoShape TopShape;
try {
TopShape = getBaseShape();
} catch (Base::Exception& e) {
return new App::DocumentObjectExecReturn(e.what());
}
std::vector<std::string> SubNames = std::vector<std::string>(Base.getSubValues());
getContiniusEdges(TopShape, SubNames);
if (SubNames.size() == 0)
return new App::DocumentObjectExecReturn("No edges specified");
double size = Size.getValue();
if (size <= 0)
return new App::DocumentObjectExecReturn("Size must be greater than zero");
this->positionByBaseFeature();
// create an untransformed copy of the basefeature shape
Part::TopoShape baseShape(TopShape);
baseShape.setTransform(Base::Matrix4D());
try {
BRepFilletAPI_MakeChamfer mkChamfer(baseShape.getShape());
TopTools_IndexedMapOfShape mapOfEdges;
TopTools_IndexedDataMapOfShapeListOfShape mapEdgeFace;
TopExp::MapShapesAndAncestors(baseShape.getShape(), TopAbs_EDGE, TopAbs_FACE, mapEdgeFace);
TopExp::MapShapes(baseShape.getShape(), TopAbs_EDGE, mapOfEdges);
for (std::vector<std::string>::const_iterator it=SubNames.begin(); it != SubNames.end(); ++it) {
TopoDS_Edge edge = TopoDS::Edge(baseShape.getSubShape(it->c_str()));
const TopoDS_Face& face = TopoDS::Face(mapEdgeFace.FindFromKey(edge).First());
mkChamfer.Add(size, edge, face);
}
mkChamfer.Build();
if (!mkChamfer.IsDone())
return new App::DocumentObjectExecReturn("Failed to create chamfer");
TopoDS_Shape shape = mkChamfer.Shape();
if (shape.IsNull())
return new App::DocumentObjectExecReturn("Resulting shape is null");
TopTools_ListOfShape aLarg;
aLarg.Append(baseShape.getShape());
if (!BRepAlgo::IsValid(aLarg, shape, Standard_False, Standard_False)) {
ShapeFix_ShapeTolerance aSFT;
aSFT.LimitTolerance(shape, Precision::Confusion(), Precision::Confusion(), TopAbs_SHAPE);
Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape(shape);
aSfs->Perform();
shape = aSfs->Shape();
if (!BRepAlgo::IsValid(aLarg, shape, Standard_False, Standard_False)) {
return new App::DocumentObjectExecReturn("Resulting shape is invalid");
}
}
this->Shape.setValue(getSolid(shape));
return App::DocumentObject::StdReturn;
}
catch (Standard_Failure& e) {
return new App::DocumentObjectExecReturn(e.GetMessageString());
}
}
bool IfcGeom::Kernel::convert(const IfcSchema::IfcCompositeCurve* l, TopoDS_Wire& wire) {
if ( getValue(GV_PLANEANGLE_UNIT)<0 ) {
Logger::Message(Logger::LOG_WARNING,"Creating a composite curve without unit information:",l->entity);
// Temporarily pretend we do have unit information
setValue(GV_PLANEANGLE_UNIT,1.0);
bool succes_radians = false;
bool succes_degrees = false;
bool use_radians = false;
bool use_degrees = false;
// First try radians
TopoDS_Wire wire_radians, wire_degrees;
try {
succes_radians = IfcGeom::Kernel::convert(l,wire_radians);
} catch (...) {}
// Now try degrees
setValue(GV_PLANEANGLE_UNIT,0.0174532925199433);
try {
succes_degrees = IfcGeom::Kernel::convert(l,wire_degrees);
} catch (...) {}
// Restore to unknown unit state
setValue(GV_PLANEANGLE_UNIT,-1.0);
if ( succes_degrees && ! succes_radians ) {
use_degrees = true;
} else if ( succes_radians && ! succes_degrees ) {
use_radians = true;
} else if ( succes_radians && succes_degrees ) {
if ( wire_degrees.Closed() && ! wire_radians.Closed() ) {
use_degrees = true;
} else if ( wire_radians.Closed() && ! wire_degrees.Closed() ) {
use_radians = true;
} else {
// No heuristic left to prefer the one over the other,
// apparently both variants are equally succesful.
// The curve might be composed of only straight segments.
// Let's go with the wire created using radians as that
// at least is a SI unit.
use_radians = true;
}
}
if ( use_radians ) {
Logger::Message(Logger::LOG_NOTICE,"Used radians to create composite curve");
wire = wire_radians;
} else if ( use_degrees ) {
Logger::Message(Logger::LOG_NOTICE,"Used degrees to create composite curve");
wire = wire_degrees;
}
return use_radians || use_degrees;
}
IfcSchema::IfcCompositeCurveSegment::list::ptr segments = l->Segments();
BRepBuilderAPI_MakeWire w;
//TopoDS_Vertex last_vertex;
for( IfcSchema::IfcCompositeCurveSegment::list::it it = segments->begin(); it != segments->end(); ++ it ) {
IfcSchema::IfcCurve* curve = (*it)->ParentCurve();
TopoDS_Wire wire2;
if ( !convert_wire(curve,wire2) ) {
Logger::Message(Logger::LOG_ERROR,"Failed to convert curve:",curve->entity);
continue;
}
if ( ! (*it)->SameSense() ) wire2.Reverse();
ShapeFix_ShapeTolerance FTol;
FTol.SetTolerance(wire2, getValue(GV_WIRE_CREATION_TOLERANCE), TopAbs_WIRE);
/*if ( it != segments->begin() ) {
TopExp_Explorer exp (wire2,TopAbs_VERTEX);
const TopoDS_Vertex& first_vertex = TopoDS::Vertex(exp.Current());
gp_Pnt first = BRep_Tool::Pnt(first_vertex);
gp_Pnt last = BRep_Tool::Pnt(last_vertex);
Standard_Real distance = first.Distance(last);
if ( distance > ALMOST_ZERO ) {
w.Add( BRepBuilderAPI_MakeEdge( last_vertex, first_vertex ) );
}
}*/
w.Add(wire2);
//last_vertex = w.Vertex();
if ( w.Error() != BRepBuilderAPI_WireDone ) {
Logger::Message(Logger::LOG_ERROR,"Failed to join curve segments:",l->entity);
return false;
}
}
wire = w.Wire();
return true;
}
bool IfcGeom::Kernel::convert(const IfcSchema::IfcTrimmedCurve* l, TopoDS_Wire& wire) {
IfcSchema::IfcCurve* basis_curve = l->BasisCurve();
bool isConic = basis_curve->is(IfcSchema::Type::IfcConic);
double parameterFactor = isConic ? getValue(GV_PLANEANGLE_UNIT) : getValue(GV_LENGTH_UNIT);
Handle(Geom_Curve) curve;
if ( !convert_curve(basis_curve,curve) ) return false;
bool trim_cartesian = l->MasterRepresentation() == IfcSchema::IfcTrimmingPreference::IfcTrimmingPreference_CARTESIAN;
IfcEntityList::ptr trims1 = l->Trim1();
IfcEntityList::ptr trims2 = l->Trim2();
bool trimmed1 = false;
bool trimmed2 = false;
unsigned sense_agreement = l->SenseAgreement() ? 0 : 1;
double flts[2];
gp_Pnt pnts[2];
bool has_flts[2] = {false,false};
bool has_pnts[2] = {false,false};
BRepBuilderAPI_MakeWire w;
for ( IfcEntityList::it it = trims1->begin(); it != trims1->end(); it ++ ) {
IfcUtil::IfcBaseClass* i = *it;
if ( i->is(IfcSchema::Type::IfcCartesianPoint) ) {
IfcGeom::Kernel::convert((IfcSchema::IfcCartesianPoint*)i, pnts[sense_agreement] );
has_pnts[sense_agreement] = true;
} else if ( i->is(IfcSchema::Type::IfcParameterValue) ) {
const double value = *((IfcSchema::IfcParameterValue*)i);
flts[sense_agreement] = value * parameterFactor;
has_flts[sense_agreement] = true;
}
}
for ( IfcEntityList::it it = trims2->begin(); it != trims2->end(); it ++ ) {
IfcUtil::IfcBaseClass* i = *it;
if ( i->is(IfcSchema::Type::IfcCartesianPoint) ) {
IfcGeom::Kernel::convert((IfcSchema::IfcCartesianPoint*)i, pnts[1-sense_agreement] );
has_pnts[1-sense_agreement] = true;
} else if ( i->is(IfcSchema::Type::IfcParameterValue) ) {
const double value = *((IfcSchema::IfcParameterValue*)i);
flts[1-sense_agreement] = value * parameterFactor;
has_flts[1-sense_agreement] = true;
}
}
trim_cartesian &= has_pnts[0] && has_pnts[1];
bool trim_cartesian_failed = !trim_cartesian;
if ( trim_cartesian ) {
if ( pnts[0].Distance(pnts[1]) < getValue(GV_WIRE_CREATION_TOLERANCE) ) {
Logger::Message(Logger::LOG_WARNING,"Skipping segment with length below tolerance level:",l->entity);
return false;
}
ShapeFix_ShapeTolerance FTol;
TopoDS_Vertex v1 = BRepBuilderAPI_MakeVertex(pnts[0]);
TopoDS_Vertex v2 = BRepBuilderAPI_MakeVertex(pnts[1]);
FTol.SetTolerance(v1, getValue(GV_WIRE_CREATION_TOLERANCE), TopAbs_VERTEX);
FTol.SetTolerance(v2, getValue(GV_WIRE_CREATION_TOLERANCE), TopAbs_VERTEX);
BRepBuilderAPI_MakeEdge e (curve,v1,v2);
if ( ! e.IsDone() ) {
BRepBuilderAPI_EdgeError err = e.Error();
if ( err == BRepBuilderAPI_PointProjectionFailed ) {
Logger::Message(Logger::LOG_WARNING,"Point projection failed for:",l->entity);
trim_cartesian_failed = true;
}
} else {
w.Add(e.Edge());
}
}
if ( (!trim_cartesian || trim_cartesian_failed) && (has_flts[0] && has_flts[1]) ) {
// The Geom_Line is constructed from a gp_Pnt and gp_Dir, whereas the IfcLine
// is defined by an IfcCartesianPoint and an IfcVector with Magnitude. Because
// the vector is normalised when passed to Geom_Line constructor the magnitude
// needs to be factored in with the IfcParameterValue here.
if ( basis_curve->is(IfcSchema::Type::IfcLine) ) {
IfcSchema::IfcLine* line = static_cast<IfcSchema::IfcLine*>(basis_curve);
const double magnitude = line->Dir()->Magnitude();
flts[0] *= magnitude; flts[1] *= magnitude;
}
if ( basis_curve->is(IfcSchema::Type::IfcEllipse) ) {
IfcSchema::IfcEllipse* ellipse = static_cast<IfcSchema::IfcEllipse*>(basis_curve);
double x = ellipse->SemiAxis1() * getValue(GV_LENGTH_UNIT);
double y = ellipse->SemiAxis2() * getValue(GV_LENGTH_UNIT);
const bool rotated = y > x;
if (rotated) {
flts[0] -= M_PI / 2.;
flts[1] -= M_PI / 2.;
}
}
if ( isConic && ALMOST_THE_SAME(fmod(flts[1]-flts[0],(double)(M_PI*2.0)),0.0f) ) {
w.Add(BRepBuilderAPI_MakeEdge(curve));
} else {
BRepBuilderAPI_MakeEdge e (curve,flts[0],flts[1]);
w.Add(e.Edge());
}
} else if ( trim_cartesian_failed && (has_pnts[0] && has_pnts[1]) ) {
w.Add(BRepBuilderAPI_MakeEdge(pnts[0],pnts[1]));
}
if ( w.IsDone() ) {
wire = w.Wire();
return true;
} else {
return false;
}
}
bool IfcGeom::Kernel::convert(const IfcSchema::IfcFace* l, TopoDS_Shape& face) {
IfcSchema::IfcFaceBound::list::ptr bounds = l->Bounds();
Handle(Geom_Surface) face_surface;
const bool is_face_surface = l->is(IfcSchema::Type::IfcFaceSurface);
if (is_face_surface) {
IfcSchema::IfcFaceSurface* fs = (IfcSchema::IfcFaceSurface*) l;
fs->FaceSurface();
// FIXME: Surfaces are interpreted as a TopoDS_Shape
TopoDS_Shape surface_shape;
if (!convert_shape(fs->FaceSurface(), surface_shape)) return false;
// FIXME: Assert this obtaines the only face
TopExp_Explorer exp(surface_shape, TopAbs_FACE);
if (!exp.More()) return false;
TopoDS_Face surface = TopoDS::Face(exp.Current());
face_surface = BRep_Tool::Surface(surface);
}
const int num_bounds = bounds->size();
int num_outer_bounds = 0;
for (IfcSchema::IfcFaceBound::list::it it = bounds->begin(); it != bounds->end(); ++it) {
IfcSchema::IfcFaceBound* bound = *it;
if (bound->is(IfcSchema::Type::IfcFaceOuterBound)) num_outer_bounds ++;
}
// The number of outer bounds should be one according to the schema. Also Open Cascade
// expects this, but it is not strictly checked. Regardless, if the number is greater,
// the face will still be processed as long as there are no holes. A compound of faces
// is returned in that case.
if (num_bounds > 1 && num_outer_bounds > 1 && num_bounds != num_outer_bounds) {
Logger::Message(Logger::LOG_ERROR, "Invalid configuration of boundaries for:", l->entity);
return false;
}
TopoDS_Compound compound;
BRep_Builder builder;
if (num_outer_bounds > 1) {
builder.MakeCompound(compound);
}
// The builder is initialized on the heap because of the various different moments
// of initialization depending on the configuration of surfaces and boundaries.
BRepBuilderAPI_MakeFace* mf = 0;
bool success = false;
int processed = 0;
for (int process_interior = 0; process_interior <= 1; ++process_interior) {
for (IfcSchema::IfcFaceBound::list::it it = bounds->begin(); it != bounds->end(); ++it) {
IfcSchema::IfcFaceBound* bound = *it;
IfcSchema::IfcLoop* loop = bound->Bound();
bool same_sense = bound->Orientation();
const bool is_interior =
!bound->is(IfcSchema::Type::IfcFaceOuterBound) &&
(num_bounds > 1) &&
(num_outer_bounds < num_bounds);
// The exterior face boundary is processed first
if (is_interior == !process_interior) continue;
TopoDS_Wire wire;
if (!convert_wire(loop, wire)) {
Logger::Message(Logger::LOG_ERROR, "Failed to process face boundary loop", loop->entity);
delete mf;
return false;
}
/*
The approach below does not result in a significant speed-up
if (loop->is(IfcSchema::Type::IfcPolyLoop) && processed == 0 && face_surface.IsNull()) {
IfcSchema::IfcPolyLoop* polyloop = (IfcSchema::IfcPolyLoop*) loop;
IfcSchema::IfcCartesianPoint::list::ptr points = polyloop->Polygon();
if (points->size() == 3) {
// Help Open Cascade by finding the plane more efficiently
IfcSchema::IfcCartesianPoint::list::it point_iterator = points->begin();
gp_Pnt a, b, c;
convert(*point_iterator++, a);
convert(*point_iterator++, b);
convert(*point_iterator++, c);
const gp_XYZ ab = (b.XYZ() - a.XYZ());
const gp_XYZ ac = (c.XYZ() - a.XYZ());
const gp_Vec cross = ab.Crossed(ac);
if (cross.SquareMagnitude() > ALMOST_ZERO) {
const gp_Dir n = cross;
face_surface = new Geom_Plane(a, n);
}
}
}
*/
if (!same_sense) {
wire.Reverse();
}
bool flattened_wire = false;
if (!mf) {
process_wire:
if (face_surface.IsNull()) {
mf = new BRepBuilderAPI_MakeFace(wire);
} else {
/// @todo check necessity of false here
mf = new BRepBuilderAPI_MakeFace(face_surface, wire, false);
}
/* BRepBuilderAPI_FaceError er = mf->Error();
if (er == BRepBuilderAPI_NotPlanar) {
ShapeFix_ShapeTolerance FTol;
FTol.SetTolerance(wire, getValue(GV_PRECISION), TopAbs_WIRE);
delete mf;
mf = new BRepBuilderAPI_MakeFace(wire);
} */
if (mf->IsDone()) {
TopoDS_Face outer_face_bound = mf->Face();
// In case of (non-planar) face surface, p-curves need to be computed.
// For planar faces, Open Cascade generates p-curves on the fly.
if (!face_surface.IsNull()) {
TopExp_Explorer exp(outer_face_bound, TopAbs_EDGE);
for (; exp.More(); exp.Next()) {
const TopoDS_Edge& edge = TopoDS::Edge(exp.Current());
ShapeFix_Edge fix_edge;
fix_edge.FixAddPCurve(edge, outer_face_bound, false, getValue(GV_PRECISION));
}
}
if (BRepCheck_Face(outer_face_bound).OrientationOfWires() == BRepCheck_BadOrientationOfSubshape) {
wire.Reverse();
same_sense = !same_sense;
delete mf;
if (face_surface.IsNull()) {
mf = new BRepBuilderAPI_MakeFace(wire);
} else {
mf = new BRepBuilderAPI_MakeFace(face_surface, wire);
}
ShapeFix_Face fix(mf->Face());
fix.FixOrientation();
fix.Perform();
outer_face_bound = fix.Face();
}
// If the wires are reversed the face needs to be reversed as well in order
// to maintain the counter-clock-wise ordering of the bounding wire's vertices.
bool all_reversed = true;
TopoDS_Iterator jt(outer_face_bound, false);
for (; jt.More(); jt.Next()) {
const TopoDS_Wire& w = TopoDS::Wire(jt.Value());
if ((w.Orientation() != TopAbs_REVERSED) == same_sense) {
all_reversed = false;
}
}
if (all_reversed) {
outer_face_bound.Reverse();
}
if (num_outer_bounds > 1) {
builder.Add(compound, outer_face_bound);
delete mf; mf = 0;
} else if (num_bounds > 1) {
// Reinitialize the builder to the outer face
// bound in order to add holes more robustly.
delete mf;
// TODO: What about the face_surface?
mf = new BRepBuilderAPI_MakeFace(outer_face_bound);
} else {
face = outer_face_bound;
success = true;
}
} else {
const bool non_planar = mf->Error() == BRepBuilderAPI_NotPlanar;
delete mf;
if (!non_planar || flattened_wire || !flatten_wire(wire)) {
Logger::Message(Logger::LOG_ERROR, "Failed to process face boundary", bound->entity);
return false;
} else {
Logger::Message(Logger::LOG_ERROR, "Flattening face boundary", bound->entity);
flattened_wire = true;
goto process_wire;
}
}
} else {
mf->Add(wire);
}
processed ++;
}
}
if (!success) {
success = processed == num_bounds;
if (success) {
if (num_outer_bounds > 1) {
face = compound;
} else {
success = success && mf->IsDone();
if (success) {
face = mf->Face();
}
}
}
}
if (success) {
ShapeFix_ShapeTolerance FTol;
FTol.SetTolerance(face, getValue(GV_PRECISION), TopAbs_FACE);
}
delete mf;
return success;
}
bool IfcGeom::convert(const Ifc2x3::IfcTrimmedCurve::ptr l, TopoDS_Wire& wire) {
Ifc2x3::IfcCurve::ptr basis_curve = l->BasisCurve();
bool isConic = basis_curve->is(Ifc2x3::Type::IfcConic);
double parameterFactor = isConic ? IfcGeom::GetValue(GV_PLANEANGLE_UNIT) : IfcGeom::GetValue(GV_LENGTH_UNIT);
Handle(Geom_Curve) curve;
if ( ! IfcGeom::convert_curve(basis_curve,curve) ) return false;
bool trim_cartesian = l->MasterRepresentation() == Ifc2x3::IfcTrimmingPreference::IfcTrimmingPreference_CARTESIAN;
IfcUtil::IfcAbstractSelect::list trims1 = l->Trim1();
IfcUtil::IfcAbstractSelect::list trims2 = l->Trim2();
bool trimmed1 = false;
bool trimmed2 = false;
unsigned sense_agreement = l->SenseAgreement() ? 0 : 1;
double flts[2];
gp_Pnt pnts[2];
bool has_flts[2] = {false,false};
bool has_pnts[2] = {false,false};
BRepBuilderAPI_MakeWire w;
for ( IfcUtil::IfcAbstractSelect::it it = trims1->begin(); it != trims1->end(); it ++ ) {
const IfcUtil::IfcAbstractSelect::ptr i = *it;
if ( i->is(Ifc2x3::Type::IfcCartesianPoint) ) {
IfcGeom::convert(reinterpret_pointer_cast<IfcUtil::IfcAbstractSelect,Ifc2x3::IfcCartesianPoint>(i), pnts[sense_agreement] );
has_pnts[sense_agreement] = true;
} else if ( i->is(Ifc2x3::Type::IfcParameterValue) ) {
const double value = *reinterpret_pointer_cast<IfcUtil::IfcAbstractSelect,IfcUtil::IfcArgumentSelect>(i)->wrappedValue();
flts[sense_agreement] = value * parameterFactor;
has_flts[sense_agreement] = true;
}
}
for ( IfcUtil::IfcAbstractSelect::it it = trims2->begin(); it != trims2->end(); it ++ ) {
const IfcUtil::IfcAbstractSelect::ptr i = *it;
if ( i->is(Ifc2x3::Type::IfcCartesianPoint) ) {
IfcGeom::convert(reinterpret_pointer_cast<IfcUtil::IfcAbstractSelect,Ifc2x3::IfcCartesianPoint>(i), pnts[1-sense_agreement] );
has_pnts[1-sense_agreement] = true;
} else if ( i->is(Ifc2x3::Type::IfcParameterValue) ) {
const double value = *reinterpret_pointer_cast<IfcUtil::IfcAbstractSelect,IfcUtil::IfcArgumentSelect>(i)->wrappedValue();
flts[1-sense_agreement] = value * parameterFactor;
has_flts[1-sense_agreement] = true;
}
}
trim_cartesian &= has_pnts[0] && has_pnts[1];
bool trim_cartesian_failed = !trim_cartesian;
if ( trim_cartesian ) {
if ( pnts[0].Distance(pnts[1]) < GetValue(GV_WIRE_CREATION_TOLERANCE) ) {
Logger::Message(Logger::LOG_WARNING,"Skipping segment with length below tolerance level:",l->entity);
return false;
}
ShapeFix_ShapeTolerance FTol;
TopoDS_Vertex v1 = BRepBuilderAPI_MakeVertex(pnts[0]);
TopoDS_Vertex v2 = BRepBuilderAPI_MakeVertex(pnts[1]);
FTol.SetTolerance(v1, GetValue(GV_WIRE_CREATION_TOLERANCE), TopAbs_VERTEX);
FTol.SetTolerance(v2, GetValue(GV_WIRE_CREATION_TOLERANCE), TopAbs_VERTEX);
BRepBuilderAPI_MakeEdge e (curve,v1,v2);
if ( ! e.IsDone() ) {
BRepBuilderAPI_EdgeError err = e.Error();
if ( err == BRepBuilderAPI_PointProjectionFailed ) {
Logger::Message(Logger::LOG_WARNING,"Point projection failed for:",l->entity);
trim_cartesian_failed = true;
}
} else {
w.Add(e.Edge());
}
}
if ( (!trim_cartesian || trim_cartesian_failed) && (has_flts[0] && has_flts[1]) ) {
if ( isConic && ALMOST_THE_SAME(fmod(flts[1]-flts[0],(double)(M_PI*2.0)),0.0f) ) {
w.Add(BRepBuilderAPI_MakeEdge(curve));
} else {
BRepBuilderAPI_MakeEdge e (curve,flts[0],flts[1]);
w.Add(e.Edge());
}
} else if ( trim_cartesian_failed && (has_pnts[0] && has_pnts[1]) ) {
w.Add(BRepBuilderAPI_MakeEdge(pnts[0],pnts[1]));
}
if ( w.IsDone() ) {
wire = w.Wire();
return true;
} else {
return false;
}
}
//=======================================================================
//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();
if (aType == CHAMFER_SHAPE_EDGES_2D)
{
BRepFilletAPI_MakeFillet2d fill;
TopoDS_Face aFace;
Standard_Boolean aWireFlag = Standard_False;
if (aShapeBase.ShapeType() == TopAbs_FACE)
aFace = TopoDS::Face(aShapeBase);
else if (aShapeBase.ShapeType() == TopAbs_WIRE)
{
TopoDS_Wire aWire = TopoDS::Wire(aShapeBase);
BRepBuilderAPI_MakeFace aMF(aWire);
aMF.Build();
if (!aMF.IsDone()) {
StdFail_NotDone::Raise("Cannot build initial face from given wire");
}
aFace = aMF.Face();
aWireFlag = Standard_True;
}
else
StdFail_NotDone::Raise("Base shape is neither a face or a wire !");
fill.Init(aFace);
double aD1_2D = aCI.GetD1();
double aD2_2D = aCI.GetD2();
TopoDS_Shape aShapeFace1, aShapeFace2;
if (GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.Get2DEdge1(), aShapeFace1) &&
GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.Get2DEdge2(), aShapeFace2))
{
fill.AddChamfer(TopoDS::Edge(aShapeFace1), TopoDS::Edge(aShapeFace2), aD1_2D, aD2_2D);
}
else
StdFail_NotDone::Raise("Cannot get 2d egde from sub-shape index!");
fill.Build();
if (!fill.IsDone()) {
StdFail_NotDone::Raise("Chamfer can not be computed on the given shape with the given parameters");
}
if (aWireFlag)
{
BRepBuilderAPI_MakeWire MW;
TopExp_Explorer exp (fill.Shape(), TopAbs_EDGE);
for (; exp.More(); exp.Next())
MW.Add(TopoDS::Edge(exp.Current()));
MW.Build();
if (!MW.IsDone())
StdFail_NotDone::Raise("Resulting wire cannot be built");
aShape = MW.Shape();
}
else
aShape = fill.Shape();
}
else
{
// 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 < (Standard_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 < (Standard_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 < (Standard_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;
// Check shape validity
BRepCheck_Analyzer ana (aShape, false);
if (!ana.IsValid()) {
// 08.07.2008 added by skl during fixing bug 19761 from Mantis
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);
ana.Init(aShape);
if (!ana.IsValid()) {
Standard_CString anErrStr("Chamfer algorithm has produced an invalid shape result");
#ifdef THROW_ON_INVALID_SH
Standard_ConstructionError::Raise(anErrStr);
#else
MESSAGE(anErrStr);
//further processing can be performed here
//...
//in case of failure of automatic treatment
//mark the corresponding GEOM_Object as problematic
TDF_Label aLabel = aFunction->GetOwnerEntry();
if (!aLabel.IsRoot()) {
Handle(GEOM_Object) aMainObj = GEOM_Object::GetObject(aLabel);
if (!aMainObj.IsNull())
aMainObj->SetDirty(Standard_True);
}
#endif
}
}
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
void IfcGeom::apply_tolerance(TopoDS_Shape& s, double t) {
ShapeFix_ShapeTolerance tol;
tol.SetTolerance(s, t);
}
