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0024206: Exception is raised in the STEP loopback tests.

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Fixed several cases of potentially uninitialized variables in Shape Healing.
Corrections to avoid warning for unused variable distmini and to avoid regression for case bug22805
This commit is contained in:
gka 2013-10-24 11:48:44 +04:00 committed by bugmaster
parent 8da5fb19a9
commit 62f225930c
2 changed files with 146 additions and 104 deletions
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42
src/ShapeAnalysis/ShapeAnalysis_Curve.cxx
View File

@ -176,27 +176,46 @@ Standard_Real ShapeAnalysis_Curve::Project(const Adaptor3d_Curve& C3D,
const Standard_Boolean AdjustToEnds) const
{
Standard_Real uMin = C3D.FirstParameter();
Standard_Real uMax = C3D.LastParameter();
Standard_Real distmin;
if (!Precision::IsInfinite(uMin)||!Precision::IsInfinite(uMax)) {
if (Precision::IsInfinite(uMin) && Precision::IsInfinite(uMax))
return ProjectAct(C3D, P3D, preci, proj, param);
Standard_Real distmin_L = Precision::Infinite(), distmin_H = Precision::Infinite();
Standard_Real prec = ( AdjustToEnds ? preci : Precision::Confusion() ); //:j8 abv 10 Dec 98: tr10_r0501_db.stp #9423: protection against densing of points near one end
gp_Pnt LowBound = C3D.Value(uMin);
gp_Pnt HigBound = C3D.Value(uMax);
distmin = LowBound.Distance(P3D);
if (distmin <= prec) {
distmin_L = LowBound.Distance(P3D);
distmin_H = HigBound.Distance(P3D);
if (distmin_L <= prec) {
param = uMin;
proj = LowBound;
return distmin;
return distmin_L;
}
distmin = HigBound.Distance(P3D);
if (distmin <= prec) {
if (distmin_H <= prec) {
param = uMax;
proj = HigBound;
return distmin;
return distmin_H;
}
Standard_Real distProj = ProjectAct(C3D, P3D, preci, proj, param);
if( distProj < distmin_L + Precision::Confusion() && distProj < distmin_H + Precision::Confusion())
return distProj;
if( distmin_L < distmin_H)
{
param = uMin;
proj = LowBound;
return distmin_L;
}
return ProjectAct(C3D, P3D, preci, proj, param);
param = uMax;
proj = HigBound;
return distmin_H;
}
//=======================================================================
@ -212,6 +231,7 @@ Standard_Real ShapeAnalysis_Curve::ProjectAct(const Adaptor3d_Curve& C3D,
{
Standard_Boolean OK = Standard_False;
param = 0.;
try {
OCC_CATCH_SIGNALS
Extrema_ExtPC myExtPC(P3D,C3D);
@ -238,7 +258,7 @@ Standard_Real ShapeAnalysis_Curve::ProjectAct(const Adaptor3d_Curve& C3D,
//szv#4:S4163:12Mar99 moved
Standard_Real uMin = C3D.FirstParameter(), uMax = C3D.LastParameter();
Standard_Boolean closed = Standard_False; // si on franchit les bornes ...
Standard_Real distmin = RealLast(), valclosed = 0.;
Standard_Real distmin = Precision::Infinite(), valclosed = 0.;
Standard_Real aModParam = param;
Standard_Real aModMin = distmin;
@ -386,7 +406,7 @@ Standard_Real ShapeAnalysis_Curve::NextProject(const Standard_Real paramPrev,
{
Standard_Real uMin = (cf < cl ? cf : cl);
Standard_Real uMax = (cf < cl ? cl : cf);
Standard_Real distmin;
Standard_Real distmin = Precision::Infinite();
if (C3D->IsKind(STANDARD_TYPE(Geom_BoundedCurve))) {
Standard_Real prec = ( AdjustToEnds ? preci : Precision::Confusion() ); //:j8 abv 10 Dec 98: tr10_r0501_db.stp #9423: protection against densing of points near one end
gp_Pnt LowBound = C3D->Value(uMin);

38
src/ShapeFix/ShapeFix_EdgeProjAux.cxx
View File

@ -81,6 +81,7 @@ void ShapeFix_EdgeProjAux::Init (const TopoDS_Face& F,
{
myFace = F;
myEdge = E;
myFirstParam = myLastParam = 0.;
myFirstDone = myLastDone = Standard_False;
}
@ -232,7 +233,8 @@ void ShapeFix_EdgeProjAux::Init2d (const Standard_Real preci)
Handle(Geom_Surface) theSurface = BRep_Tool::Surface(myFace);
Handle(Geom2d_Curve) theCurve2d = BRep_Tool::CurveOnSurface(myEdge, myFace, cf, cl);
if ( theCurve2d.IsNull() ) return; //:r5 abv 6 Apr 99: ec_turbine-A.stp, #4313
myFirstParam = cf;
myLastParam = cl;
TopoDS_Vertex V1,V2;
TopExp::Vertices(myEdge, V1, V2);
gp_Pnt Pt1,Pt2;
@ -248,7 +250,7 @@ void ShapeFix_EdgeProjAux::Init2d (const Standard_Real preci)
Pt1 = BRep_Tool::Pnt(V1);
Pt2 = BRep_Tool::Pnt(V2);
}
//:S4136 Standard_Real preci = BRepAPI::Precision();
//:S4136 Standard_Real preci = BRepAPI::Precision();
//pdn to manage degenerated case
if (V1.IsSame(V2)) {
Handle(ShapeAnalysis_Surface) stsu = new ShapeAnalysis_Surface (theSurface);
@ -350,7 +352,8 @@ void ShapeFix_EdgeProjAux::Init2d (const Standard_Real preci)
#endif
}
}
myFirstParam = cf;
myLastParam = cl;
Geom2dAdaptor_Curve CA = Geom2dAdaptor_Curve(theCurve2d,cf,cl);
Handle(Geom2dAdaptor_HCurve) myHCur = new Geom2dAdaptor_HCurve(CA);
@ -361,15 +364,34 @@ void ShapeFix_EdgeProjAux::Init2d (const Standard_Real preci)
// ----------------------------------------------
Standard_Real Uinf = COnS.FirstParameter();
Standard_Real Usup = COnS.LastParameter();
Standard_Real w1,w2;
myFirstDone = myLastDone = Standard_True;
Standard_Real w1 = 0., w2 = 0.;
ShapeAnalysis_Curve sac;
gp_Pnt pnt;
Standard_Real dist = sac.Project(COnS,Pt1,preci,pnt,w1,Standard_False);
if (dist > preci) return;
dist = sac.Project(COnS,Pt2,preci,pnt,w2,Standard_False);
if (dist > preci) return;
//if distance is infinite then projection is not performed
if( Precision::IsInfinite(dist))
{
myFirstDone = Standard_False;
myLastDone = Standard_False;
return;
}
if (dist > preci)
return;
dist = sac.Project(COnS,Pt2,preci,pnt,w2,Standard_False);
if( Precision::IsInfinite(dist))
{
myLastDone = Standard_False;
return;
}
if (dist > preci)
return;
if(fabs(w1 - w2) < Precision::PConfusion())
{
if(!theSurface->IsUPeriodic() && !theSurface->IsVPeriodic())
return;
}
myFirstParam = w1;
myLastParam = w2;
myFirstDone = myLastDone = Standard_True;