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#include <BRepBndLib.ixx>
#include <TopExp_Explorer.hxx>
#include <BRepAdaptor_Surface.hxx>
#include <BRepAdaptor_Curve.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <BndLib_Add3dCurve.hxx>
#include <BndLib_AddSurface.hxx>
#include <Geom_Surface.hxx>
#include <TopLoc_Location.hxx>
#include <Poly_Triangulation.hxx>
#include <Poly_PolygonOnTriangulation.hxx>
#include <Poly_Polygon3D.hxx>
#include <BRep_Polygon3D.hxx>
#include <TColStd_HArray1OfInteger.hxx>
#include <TColStd_Array1OfInteger.hxx>
#include <TColgp_Array1OfPnt.hxx>
#include <Geom_Curve.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <BndLib_Add3dCurve.hxx>
//=======================================================================
//function : Add
//purpose : Add a shape bounding to a box
//=======================================================================
void BRepBndLib::Add(const TopoDS_Shape& S, Bnd_Box& B, Standard_Boolean useTriangulation)
{
TopExp_Explorer ex;
// Add the faces
BRepAdaptor_Surface BS;
Handle(Geom_Surface) GS;
Handle(Poly_Triangulation) T;
TopLoc_Location l;
Standard_Integer i, nbNodes;
BRepAdaptor_Curve BC;
for (ex.Init(S,TopAbs_FACE); ex.More(); ex.Next()) {
const TopoDS_Face& F = TopoDS::Face(ex.Current());
T = BRep_Tool::Triangulation(F, l);
if (useTriangulation && !T.IsNull())
{
nbNodes = T->NbNodes();
const TColgp_Array1OfPnt& Nodes = T->Nodes();
for (i = 1; i <= nbNodes; i++) {
if (l.IsIdentity()) B.Add(Nodes(i));
else B.Add(Nodes(i).Transformed(l));
}
// B.Enlarge(T->Deflection());
B.Enlarge(T->Deflection() + BRep_Tool::Tolerance(F));
} else
{
GS = BRep_Tool::Surface(F, l);
if (!GS.IsNull()) {
BS.Initialize(F, Standard_False);
if (BS.GetType() != GeomAbs_Plane) {
BS.Initialize(F);
BndLib_AddSurface::Add(BS, BRep_Tool::Tolerance(F), B);
}
else {
// on travaille directement sur les courbes 3d.
TopExp_Explorer ex2(F, TopAbs_EDGE);
if (!ex2.More()) {
BS.Initialize(F);
BndLib_AddSurface::Add(BS, BRep_Tool::Tolerance(F), B);
}
else {
for (;ex2.More();ex2.Next()) {
BC.Initialize(TopoDS::Edge(ex2.Current()));
BndLib_Add3dCurve::Add(BC, BRep_Tool::Tolerance(F), B);
}
B.Enlarge(BRep_Tool::Tolerance(F));
}
}
}
}
}
// Add the edges not in faces
Handle(TColStd_HArray1OfInteger) HIndices;
Handle(Poly_PolygonOnTriangulation) Poly;
for (ex.Init(S,TopAbs_EDGE,TopAbs_FACE); ex.More(); ex.Next())
{
const TopoDS_Edge& E = TopoDS::Edge(ex.Current());
Handle(Poly_Polygon3D) P3d = BRep_Tool::Polygon3D(E, l);
if (!P3d.IsNull())
{
const TColgp_Array1OfPnt& Nodes = P3d->Nodes();
nbNodes = P3d->NbNodes();
for (i = 1; i <= nbNodes; i++)
{
if (l.IsIdentity()) B.Add(Nodes(i));
else B.Add(Nodes(i).Transformed(l));
}
// B.Enlarge(P3d->Deflection());
B.Enlarge(P3d->Deflection() + BRep_Tool::Tolerance(E));
}
else
{
BRep_Tool::PolygonOnTriangulation(E, Poly, T, l);
if (useTriangulation && !Poly.IsNull())
{
const TColStd_Array1OfInteger& Indices = Poly->Nodes();
const TColgp_Array1OfPnt& Nodes = T->Nodes();
nbNodes = Indices.Length();
for (i = 1; i <= nbNodes; i++)
{
if (l.IsIdentity()) B.Add(Nodes(Indices(i)));
else B.Add(Nodes(Indices(i)).Transformed(l));
}
// B.Enlarge(T->Deflection());
B.Enlarge(Poly->Deflection() + BRep_Tool::Tolerance(E));
}
else {
if (BRep_Tool::IsGeometric(E))
{
BC.Initialize(E);
BndLib_Add3dCurve::Add(BC, BRep_Tool::Tolerance(E), B);
}
}
}
}
// Add the vertices not in edges
for (ex.Init(S,TopAbs_VERTEX,TopAbs_EDGE); ex.More(); ex.Next()) {
B.Add(BRep_Tool::Pnt(TopoDS::Vertex(ex.Current())));
B.Enlarge(BRep_Tool::Tolerance(TopoDS::Vertex(ex.Current())));
}
}
//=======================================================================
//function : AddClose
//purpose : Add a precise shape bounding to a box
//=======================================================================
void BRepBndLib::AddClose(const TopoDS_Shape& S, Bnd_Box& B)
{
TopExp_Explorer ex;
// No faces
// Add the edges
BRepAdaptor_Curve BC;
for (ex.Init(S,TopAbs_EDGE); ex.More(); ex.Next()) {
BC.Initialize(TopoDS::Edge(ex.Current()));
BndLib_Add3dCurve::Add(BC,0.,B);
}
// Add the vertices not in edges
for (ex.Init(S,TopAbs_VERTEX,TopAbs_EDGE); ex.More(); ex.Next()) {
B.Add(BRep_Tool::Pnt(TopoDS::Vertex(ex.Current())));
}
}
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