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// 25.12.98 pdn: adding empty constructor
#include <ShapeFix_ShapeTolerance.ixx>
#include <BRep_Tool.hxx>
#include <BRep_TVertex.hxx>
#include <BRep_TEdge.hxx>
#include <BRep_TFace.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
//=======================================================================
//function : Constructor
//purpose :
//=======================================================================
ShapeFix_ShapeTolerance::ShapeFix_ShapeTolerance()
{
}
//=======================================================================
//function : LimitTolerance
//purpose :
//=======================================================================
Standard_Boolean ShapeFix_ShapeTolerance::LimitTolerance(const TopoDS_Shape& shape,
const Standard_Real tmin,
const Standard_Real tmax,
const TopAbs_ShapeEnum styp) const
{
if (shape.IsNull() || tmin < 0) return Standard_False;
Standard_Boolean iamax = (tmax >= tmin);
Standard_Real prec;
Standard_Boolean fait = Standard_False;
if (styp == TopAbs_VERTEX || styp == TopAbs_EDGE || styp == TopAbs_FACE) {
for (TopExp_Explorer ex(shape,styp); ex.More(); ex.Next()) {
TopoDS_Shape sh = ex.Current();
int newtol = 0;
if (styp == TopAbs_VERTEX) {
TopoDS_Vertex V = TopoDS::Vertex (sh);
prec = BRep_Tool::Tolerance (V);
if (iamax && prec > tmax) newtol = 1;
else if (prec < tmin) newtol = -1;
if (newtol) {
const Handle(BRep_TVertex)& TV = *((Handle(BRep_TVertex)*)&V.TShape());
TV->Tolerance( (newtol > 0 ? tmax : tmin) );
fait = Standard_True;
}
} else if (styp == TopAbs_EDGE) {
TopoDS_Edge E = TopoDS::Edge (sh);
prec = BRep_Tool::Tolerance (E);
if (iamax && prec > tmax) newtol = 1;
else if (prec < tmin) newtol = -1;
if (newtol) {
const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&E.TShape());
TE->Tolerance( (newtol > 0 ? tmax : tmin) );
fait = Standard_True;
}
} else if (styp == TopAbs_FACE) {
TopoDS_Face F = TopoDS::Face (sh);
prec = BRep_Tool::Tolerance (F);
if (iamax && prec > tmax) newtol = 1;
else if (prec < tmin) newtol = -1;
if (newtol) {
const Handle(BRep_TFace)& TF = *((Handle(BRep_TFace)*)&F.TShape());
TF->Tolerance( (newtol > 0 ? tmax : tmin) );
fait = Standard_True;
}
}
}
} else if (styp == TopAbs_WIRE) {
for (TopExp_Explorer ex(shape,TopAbs_EDGE); ex.More(); ex.Next()) {
TopoDS_Shape sh = ex.Current();
TopoDS_Edge E = TopoDS::Edge (sh);
LimitTolerance (E,tmin,tmax,TopAbs_EDGE);
TopoDS_Vertex V1,V2;
TopExp::Vertices (E,V1,V2);
if (!V1.IsNull()) fait |= LimitTolerance (V1,tmin,tmax,TopAbs_VERTEX);
if (!V2.IsNull()) fait |= LimitTolerance (V2,tmin,tmax,TopAbs_VERTEX);
}
} else {
fait |= LimitTolerance (shape,tmin,tmax,TopAbs_VERTEX);
fait |= LimitTolerance (shape,tmin,tmax,TopAbs_EDGE);
fait |= LimitTolerance (shape,tmin,tmax,TopAbs_FACE);
}
return fait;
}
//=======================================================================
//function : SetTolerance
//purpose :
//=======================================================================
void ShapeFix_ShapeTolerance::SetTolerance(const TopoDS_Shape& shape,
const Standard_Real preci,
const TopAbs_ShapeEnum styp) const
{
// VERTEX ou EDGE ou FACE : ces types seulement
// WIRE : EDGE + VERTEX
// Autres : TOUT (donc == WIRE + FACE)
if (shape.IsNull() || preci <= 0) return;
if (styp == TopAbs_VERTEX || styp == TopAbs_EDGE || styp == TopAbs_FACE) {
for (TopExp_Explorer ex(shape,styp); ex.More(); ex.Next()) {
TopoDS_Shape sh = ex.Current();
if (styp == TopAbs_VERTEX) {
TopoDS_Vertex V = TopoDS::Vertex (sh);
// B.UpdateVertex (V,preci);
const Handle(BRep_TVertex)& TV = *((Handle(BRep_TVertex)*)&V.TShape());
TV->Tolerance(preci);
} else if (styp == TopAbs_EDGE) {
TopoDS_Edge E = TopoDS::Edge (sh);
// B.UpdateEdge (E,preci);
const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&E.TShape());
TE->Tolerance(preci);
} else if (styp == TopAbs_FACE) {
TopoDS_Face F = TopoDS::Face (sh);
// B.UpdateFace (F,preci);
const Handle(BRep_TFace)& TF = *((Handle(BRep_TFace)*)&F.TShape());
TF->Tolerance(preci);
}
}
}
else if (styp == TopAbs_WIRE) {
for (TopExp_Explorer ex(shape,TopAbs_EDGE); ex.More(); ex.Next()) {
TopoDS_Shape sh = ex.Current();
TopoDS_Edge E = TopoDS::Edge (sh);
// B.UpdateEdge (E,preci);
const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*)&E.TShape());
TE->Tolerance(preci);
TopoDS_Vertex V1,V2;
TopExp::Vertices (E,V1,V2);
if (!V1.IsNull()) {
// B.UpdateVertex (V1,preci);
const Handle(BRep_TVertex)& TV= *((Handle(BRep_TVertex)*)&V1.TShape());
TV->Tolerance(preci);
}
if (!V2.IsNull()) {
// B.UpdateVertex (V2,preci);
const Handle(BRep_TVertex)& TV= *((Handle(BRep_TVertex)*)&V2.TShape());
TV->Tolerance(preci);
}
}
}
else {
SetTolerance (shape,preci,TopAbs_VERTEX);
SetTolerance (shape,preci,TopAbs_EDGE);
SetTolerance (shape,preci,TopAbs_FACE);
}
}
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