0032450: Modeling Algorithms - change BRepLib_CheckCurveOnSurface & GeomLib_CheckCurveOnSurface interfaces to adapters

dox/upgrade/upgrade.md

@@ -2264,17 +2264,6 @@ Handle(Draw_ProgressIndicator) aProgress = new Draw_ProgressIndicator(di, 1);
 BRepAlgoApi_Cut(S1, S2, aProgress->Start()); // method Start() creates range for usage in cut algorithm
 ~~~~
 
-@subsection upgrade_occt760_old_bop_removed Removal of old Boolean operations algorithm (BRepAlgo_BooleanOperation)
-
-* The method *BRepAlgo_Tool::Deboucle3D* has been removed as duplicating. The corresponding method from *BRepOffset_Tool* class has to be used instead.
-* The API classes from *BRepAlgo* package performing old Boolean operations algorithm have been removed:
-  - *BRepAlgo_BooleanOperation*
-  - *BRepAlgo_Fuse*
-  - *BRepAlgo_Common*
-  - *BRepAlgo_Cut*
-  - *BRepAlgo_Section*
-  The corresponding classes from the *BRepAlgoAPI* package have to be used instead.
-
 @subsection upgrade_occt760_change_check_to_adaptors Changes in BRepLib_CheckCurveOnSurface & GeomLib_CheckCurveOnSurface interfaces
 
 Now the classes accept adaptors instead objects as input parameters.
@@ -2292,4 +2281,15 @@ void Init (const Handle(Adaptor3d_Curve)& theCurve, const Standard_Real theTolRa
 
 void Perform(const Handle(Adaptor3d_CurveOnSurface)& theCurveOnSurface,
              const Standard_Boolean isMultiThread);
-~~~~
+~~~~
+
+@subsection upgrade_occt760_old_bop_removed Removal of old Boolean operations algorithm (BRepAlgo_BooleanOperation)
+
+* The method *BRepAlgo_Tool::Deboucle3D* has been removed as duplicating. The corresponding method from *BRepOffset_Tool* class has to be used instead.
+* The API classes from *BRepAlgo* package performing old Boolean operations algorithm have been removed:
+  - *BRepAlgo_BooleanOperation*
+  - *BRepAlgo_Fuse*
+  - *BRepAlgo_Common*
+  - *BRepAlgo_Cut*
+  - *BRepAlgo_Section*
+  The corresponding classes from the *BRepAlgoAPI* package have to be used instead.

src/BRepLib/BRepLib_CheckCurveOnSurface.cxx

@@ -12,8 +12,12 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
+#include <Adaptor3d_CurveOnSurface.hxx>
 #include <BRep_Tool.hxx>
+#include <BRepAdaptor_Curve.hxx>
 #include <BRepLib_CheckCurveOnSurface.hxx>
+#include <GeomAdaptor_Surface.hxx>
+#include <Geom2dAdaptor_Curve.hxx>
 #include <Geom_Surface.hxx>
 #include <Standard_ErrorHandler.hxx>
 #include <TopoDS.hxx>
@@ -36,9 +40,7 @@ BRepLib_CheckCurveOnSurface::BRepLib_CheckCurveOnSurface
 //function : Init
 //purpose  : 
 //=======================================================================
-void BRepLib_CheckCurveOnSurface::Init
+void BRepLib_CheckCurveOnSurface::Init(const TopoDS_Edge& theEdge, const TopoDS_Face& theFace)
-  (const TopoDS_Edge& theEdge,
-   const TopoDS_Face& theFace)
 {
   myCOnSurfGeom.Init();
 
@@ -53,26 +55,34 @@ void BRepLib_CheckCurveOnSurface::Init
     return;
   }
   
-  //
-  TopLoc_Location aLocE, aLocF, aLocC2D;
-  Standard_Real aFirst = 0.0, aLast = 0.0;
-  //
   // 3D curve initialization
-  const Handle(Geom_Curve)& aC3dTmp = BRep_Tool::Curve(theEdge, aLocE, aFirst, aLast);
+  const Handle(Adaptor3d_Curve) anAdaptor3dCurve = new BRepAdaptor_Curve(theEdge);
-  const Handle(Geom_Curve) aC3d(Handle(Geom_Curve)::DownCast(aC3dTmp->Transformed(aLocE.Transformation())));
 
   // Surface initialization
-  const Handle(Geom_Surface)& aSTmp = BRep_Tool::Surface(theFace, aLocF);
+
-  const Handle(Geom_Surface) aS(Handle(Geom_Surface)::DownCast(aSTmp->Transformed(aLocF.Transformation())));
+  TopLoc_Location aLocation;
-  //
+  Standard_Real aFirstParam, aLastParam;
+
+  Handle(Geom2d_Curve) aGeom2dCurve = BRep_Tool::CurveOnSurface(theEdge, theFace, aFirstParam, aLastParam);
+  Handle(Geom_Surface) aGeomSurface = BRep_Tool::Surface(theFace);
+
   // 2D curves initialization 
-  myPCurve = BRep_Tool::CurveOnSurface(theEdge, theFace, aFirst, aLast);
+  Handle(Adaptor2d_Curve2d) anAdaptorCurve = 
+    new Geom2dAdaptor_Curve(aGeom2dCurve, aFirstParam, aLastParam);
+  Handle(GeomAdaptor_Surface) aGeomAdaptorSurface = new GeomAdaptor_Surface(aGeomSurface);
+
+  myAdaptorCurveOnSurface = new Adaptor3d_CurveOnSurface(anAdaptorCurve, aGeomAdaptorSurface);
 
   if(BRep_Tool::IsClosed(theEdge, theFace))
-    myPCurve2 = BRep_Tool::CurveOnSurface(TopoDS::Edge(theEdge.Reversed()),
+  {
-                                          theFace, aFirst, aLast);
+    Handle(Geom2d_Curve) aGeom2dReversedCurve = 
+      BRep_Tool::CurveOnSurface(TopoDS::Edge(theEdge.Reversed()), theFace, aFirstParam, aLastParam);
+    Handle(Adaptor2d_Curve2d) anAdaptorReversedCurve =
+      new Geom2dAdaptor_Curve(aGeom2dReversedCurve, aFirstParam, aLastParam);
+     myAdaptorCurveOnSurface2 = new Adaptor3d_CurveOnSurface(anAdaptorReversedCurve, aGeomAdaptorSurface);
+  }
 
-  myCOnSurfGeom.Init(aC3d, aS, aFirst, aLast);
+  myCOnSurfGeom.Init(anAdaptor3dCurve);
 }
 
 //=======================================================================
@@ -82,17 +92,17 @@ void BRepLib_CheckCurveOnSurface::Init
 void BRepLib_CheckCurveOnSurface::Perform(const Standard_Boolean isMultiThread)
 {
   // Compute the max distance
-  Compute(myPCurve, isMultiThread);
+  Compute(myAdaptorCurveOnSurface, isMultiThread);
   if (ErrorStatus())
   {
     return;
   }
   //
-  if (!myPCurve2.IsNull())
+  if (!myAdaptorCurveOnSurface2.IsNull())
   {
-    // compute max distance for myPCurve2
+    // compute max distance for myAdaptorCurveOnSurface2
     // (for the second curve on closed surface)
-    Compute(myPCurve2, isMultiThread);
+    Compute(myAdaptorCurveOnSurface2, isMultiThread);
   }
 }
 
@@ -100,8 +110,8 @@ void BRepLib_CheckCurveOnSurface::Perform(const Standard_Boolean isMultiThread)
 //function : Compute
 //purpose  : if isTheMTDisabled == TRUE parallelization is not used
 //=======================================================================
-void BRepLib_CheckCurveOnSurface::Compute(const Handle(Geom2d_Curve)& thePCurve,
+void BRepLib_CheckCurveOnSurface::Compute(const Handle(Adaptor3d_CurveOnSurface)& theCurveOnSurface,
                                           const Standard_Boolean isMultiThread)
 {
-  myCOnSurfGeom.Perform(thePCurve, isMultiThread);
+  myCOnSurfGeom.Perform(theCurveOnSurface, isMultiThread);
 }

src/BRepLib/BRepLib_CheckCurveOnSurface.hxx

@@ -38,38 +38,7 @@ public:
 
   //! Performs the calculation
   //! If isMultiThread == Standard_True then computation will be performed in parallel.
-  Standard_EXPORT void Perform(const Standard_Boolean isMultiThread = Standard_True);
+  Standard_EXPORT void Perform(const Standard_Boolean isMultiThread = Standard_False);
-  
-  //! Returns source 3D-Curve
-  const Handle(Geom_Curve)& Curve() const
-  {
-    return myCOnSurfGeom.Curve();
-  }  
-
-  //! Returns mine 2D-Curve
-  const Handle(Geom2d_Curve)& PCurve() const
-  {
-    return myPCurve;
-  }
-  
-  //! Returns 2nd 2D-Curve (if it exists, e.g. for seam-edge)
-  const Handle(Geom2d_Curve)& PCurve2() const
-  {
-    return myPCurve2;
-  }
-  
-  //! Returns source surface
-  const Handle(Geom_Surface)& Surface() const
-  {
-    return myCOnSurfGeom.Surface();
-  }
-  
-  //! Returns first and last parameter of the curves
-  //! (2D- and 3D-curves are considered to have same range)
-  void Range (Standard_Real& theFirst, Standard_Real& theLast)
-  {
-    myCOnSurfGeom.Range(theFirst, theLast);
-  }
   
   //! Returns true if the max distance has been found
   Standard_Boolean IsDone() const
@@ -103,16 +72,16 @@ public:
 protected:
 
   //! Computes the max distance for the 3d curve of <myCOnSurfGeom>
-  //! and 2d curve <thePCurve>
+  //! and 2d curve <theCurveOnSurface>
   //! If isMultiThread == Standard_True then computation will be performed in parallel.
-  Standard_EXPORT void Compute (const Handle(Geom2d_Curve)& thePCurve, 
+  Standard_EXPORT void Compute (const Handle(Adaptor3d_CurveOnSurface)& theCurveOnSurface,
                                 const Standard_Boolean isMultiThread);
 
 private:
 
   GeomLib_CheckCurveOnSurface myCOnSurfGeom;
-  Handle(Geom2d_Curve) myPCurve;
+  Handle(Adaptor3d_CurveOnSurface) myAdaptorCurveOnSurface;
-  Handle(Geom2d_Curve) myPCurve2;
+  Handle(Adaptor3d_CurveOnSurface) myAdaptorCurveOnSurface2;
 };
 
 #endif // _BRepLib_CheckCurveOnSurface_HeaderFile

src/BRepTools/BRepTools.cxx

@@ -15,6 +15,7 @@
 // commercial license or contractual agreement.
 
 
+#include <Adaptor3d_CurveOnSurface.hxx>
 #include <Bnd_Box2d.hxx>
 #include <BndLib_Add2dCurve.hxx>
 #include <BRep_Builder.hxx>
@@ -30,6 +31,7 @@
 #include <ElCLib.hxx>
 #include <Geom2d_Curve.hxx>
 #include <Geom2dAdaptor_Curve.hxx>
+#include <GeomAdaptor_Curve.hxx>
 #include <Geom_BSplineSurface.hxx>
 #include <Geom_Curve.hxx>
 #include <Geom_RectangularTrimmedSurface.hxx>
@@ -1333,9 +1335,16 @@ Standard_Real BRepTools::EvalAndUpdateTol(const TopoDS_Edge& theE,
     first = Max(first, C2d->FirstParameter());
     last = Min(last, C2d->LastParameter());
   }
+  const Handle(Adaptor3d_Curve) aGeomAdaptorCurve = new GeomAdaptor_Curve(C3d, first, last);
 
-  GeomLib_CheckCurveOnSurface CT(C3d, S, first, last);
+  Handle(Adaptor2d_Curve2d) aGeom2dAdaptorCurve   = new Geom2dAdaptor_Curve(C2d, first, last);
-  CT.Perform(C2d);
+  Handle(GeomAdaptor_Surface) aGeomAdaptorSurface = new GeomAdaptor_Surface(S);
+
+  Handle(Adaptor3d_CurveOnSurface) anAdaptor3dCurveOnSurface =
+    new Adaptor3d_CurveOnSurface(aGeom2dAdaptorCurve, aGeomAdaptorSurface);
+
+  GeomLib_CheckCurveOnSurface CT(aGeomAdaptorCurve);
+  CT.Perform(anAdaptor3dCurveOnSurface);
   if(CT.IsDone())
   {
     newtol = CT.MaxDistance();

src/GeomLib/GeomLib_CheckCurveOnSurface.cxx

@@ -36,6 +36,8 @@
 #include <TColStd_Array1OfReal.hxx>
 #include <TColStd_HArray1OfReal.hxx>
 
+typedef NCollection_Array1<Handle(Adaptor3d_Curve)> Array1OfHCurve;
+
 class GeomLib_CheckCurveOnSurface_TargetFunc;
 
 static 
@@ -46,11 +48,11 @@ Standard_Boolean MinComputing(
                 Standard_Real& theBestValue,
                 Standard_Real& theBestParameter);
 
-static Standard_Integer FillSubIntervals( const Handle(Geom_Curve)& theCurve3d,
+static Standard_Integer FillSubIntervals( const Handle(Adaptor3d_Curve)& theCurve3d,
-                                          const Handle(Geom2d_Curve)& theCurve2d,
+                                          const Handle(Adaptor2d_Curve2d)& theCurve2d,
                                           const Standard_Real theFirst,
                                           const Standard_Real theLast,
-                                          Standard_Integer &theNbParticles,
+                                          Standard_Integer& theNbParticles,
                                           TColStd_Array1OfReal* const theSubIntervals = 0);
 
 //=======================================================================
@@ -62,11 +64,11 @@ class GeomLib_CheckCurveOnSurface_TargetFunc :
 {
  public:
   GeomLib_CheckCurveOnSurface_TargetFunc( const Adaptor3d_Curve& theC3D,
-                                          const Adaptor3d_Curve& theAdCS,
+                                          const Adaptor3d_Curve& theCurveOnSurface,
                                           const Standard_Real theFirst,
                                           const Standard_Real theLast):
   myCurve1(theC3D),
-  myCurve2(theAdCS),
+  myCurve2(theCurveOnSurface),
   myFirst(theFirst),
   myLast(theLast)
   {
@@ -214,7 +216,7 @@ class GeomLib_CheckCurveOnSurface_TargetFunc :
   }
   
  private:
-  GeomLib_CheckCurveOnSurface_TargetFunc operator=(GeomLib_CheckCurveOnSurface_TargetFunc&);
+  GeomLib_CheckCurveOnSurface_TargetFunc operator=(GeomLib_CheckCurveOnSurface_TargetFunc&) Standard_DELETE;
 
   //checks if the function can be computed when its parameter is
   //equal to theParam
@@ -237,50 +239,43 @@ class GeomLib_CheckCurveOnSurface_Local
 {
 public:
   GeomLib_CheckCurveOnSurface_Local(
-              const Handle(Geom_Curve)& theCurve3D,
+    const Array1OfHCurve& theCurveArray,
-              const Handle(Geom2d_Curve)& theCurve2D,
+    const Array1OfHCurve& theCurveOnSurfaceArray,
-              const Handle(Geom_Surface)& theSurface,
+    const TColStd_Array1OfReal& theIntervalsArr,
-              const TColStd_Array1OfReal& theIntervalsArr,
+    const Standard_Real theEpsilonRange,
-              const Standard_Real theEpsilonRange,
+    const Standard_Integer theNbParticles):
-              const Standard_Integer theNbParticles):
+    myCurveArray(theCurveArray),
-  myCurve3D(theCurve3D),
+    myCurveOnSurfaceArray(theCurveOnSurfaceArray),
-  myCurve2D(theCurve2D),
+    mySubIntervals(theIntervalsArr),
-  mySurface(theSurface),
+    myEpsilonRange(theEpsilonRange),
-  mySubIntervals(theIntervalsArr),
+    myNbParticles(theNbParticles),
-  myEpsilonRange(theEpsilonRange),
+    myArrOfDist(theIntervalsArr.Lower(), theIntervalsArr.Upper() - 1),
-  myNbParticles(theNbParticles),
+    myArrOfParam(theIntervalsArr.Lower(), theIntervalsArr.Upper() - 1)
-  myArrOfDist(theIntervalsArr.Lower(), theIntervalsArr.Upper()-1),
-  myArrOfParam(theIntervalsArr.Lower(), theIntervalsArr.Upper()-1)
   {
   }
   
-  void operator()(const Standard_Integer& theIndex) const
+  void operator()(Standard_Integer theThreadIndex, Standard_Integer theElemIndex) const
   {
     //For every sub-interval (which is set by mySubIntervals array) this method
     //computes optimal value of GeomLib_CheckCurveOnSurface_TargetFunc function.
     //This optimal value will be put in corresponding (depending on theIndex - the
     //identificator of the current interval in mySubIntervals array) cell of 
     //myArrOfDist and myArrOfParam arrays.
-    const GeomAdaptor_Curve anAC(myCurve3D);
+    GeomLib_CheckCurveOnSurface_TargetFunc aFunc(*(myCurveArray.Value(theThreadIndex).get()),
-    const Handle(Adaptor2d_Curve2d) anAd2dC = new Geom2dAdaptor_Curve(myCurve2D);
+                                                 *(myCurveOnSurfaceArray.Value(theThreadIndex).get()),
-    const Handle(Adaptor3d_Surface) anAdS = new GeomAdaptor_Surface(mySurface);
+                                                 mySubIntervals.Value(theElemIndex),
-
+                                                 mySubIntervals.Value(theElemIndex + 1));
-    const Adaptor3d_CurveOnSurface anACS(anAd2dC, anAdS);
-
-    GeomLib_CheckCurveOnSurface_TargetFunc aFunc( anAC, anACS,
-                                                  mySubIntervals.Value(theIndex),
-                                                  mySubIntervals.Value(theIndex+1));
 
     Standard_Real aMinDist = RealLast(), aPar = 0.0;
-    if(!MinComputing(aFunc, myEpsilonRange, myNbParticles, aMinDist, aPar))
+    if (!MinComputing(aFunc, myEpsilonRange, myNbParticles, aMinDist, aPar))
     {
-      myArrOfDist(theIndex) = RealLast();
+      myArrOfDist(theElemIndex) = RealLast();
-      myArrOfParam(theIndex) = aFunc.FirstParameter();
+      myArrOfParam(theElemIndex) = aFunc.FirstParameter();
       return;
     }
 
-    myArrOfDist(theIndex) = aMinDist;
+    myArrOfDist(theElemIndex) = aMinDist;
-    myArrOfParam(theIndex) = aPar;
+    myArrOfParam(theElemIndex) = aPar;
   }
 
   //Returns optimal value (inverse of square of maximal distance)
@@ -302,10 +297,11 @@ public:
   }
 
 private:
-  GeomLib_CheckCurveOnSurface_Local operator=(GeomLib_CheckCurveOnSurface_Local&);
+  GeomLib_CheckCurveOnSurface_Local operator=(const GeomLib_CheckCurveOnSurface_Local&) Standard_DELETE;
-  const Handle(Geom_Curve)& myCurve3D;
+
-  const Handle(Geom2d_Curve)& myCurve2D;
+private:
-  const Handle(Geom_Surface)& mySurface;
+  const Array1OfHCurve& myCurveArray;
+  const Array1OfHCurve& myCurveOnSurfaceArray;
 
   const TColStd_Array1OfReal& mySubIntervals;
   const Standard_Real myEpsilonRange;
@@ -320,8 +316,6 @@ private:
 //=======================================================================
 GeomLib_CheckCurveOnSurface::GeomLib_CheckCurveOnSurface()
 :
-  myFirst(0.),
-  myLast(0.),
   myErrorStatus(0),
   myMaxDistance(RealLast()),
   myMaxParameter(0.),
@@ -334,15 +328,9 @@ GeomLib_CheckCurveOnSurface::GeomLib_CheckCurveOnSurface()
 //purpose  : 
 //=======================================================================
 GeomLib_CheckCurveOnSurface::
-  GeomLib_CheckCurveOnSurface(const Handle(Geom_Curve)& theCurve,
+  GeomLib_CheckCurveOnSurface(const Handle(Adaptor3d_Curve)& theCurve,
-                              const Handle(Geom_Surface)& theSurface,
-                              const Standard_Real theFirst,
-                              const Standard_Real theLast,
                               const Standard_Real theTolRange):
   myCurve(theCurve),
-  mySurface(theSurface),
-  myFirst(theFirst),
-  myLast(theLast),
   myErrorStatus(0),
   myMaxDistance(RealLast()),
   myMaxParameter(0.),
@@ -357,9 +345,6 @@ GeomLib_CheckCurveOnSurface::
 void GeomLib_CheckCurveOnSurface::Init()
 {
   myCurve.Nullify();
-  mySurface.Nullify();
-  myFirst = 0.0;
-  myLast = 0.0;
   myErrorStatus = 0;
   myMaxDistance = RealLast();
   myMaxParameter = 0.0;
@@ -370,16 +355,10 @@ void GeomLib_CheckCurveOnSurface::Init()
 //function : Init
 //purpose  : 
 //=======================================================================
-void GeomLib_CheckCurveOnSurface::Init( const Handle(Geom_Curve)& theCurve,
+void GeomLib_CheckCurveOnSurface::Init( const Handle(Adaptor3d_Curve)& theCurve,
-                                        const Handle(Geom_Surface)& theSurface,
-                                        const Standard_Real theFirst,
-                                        const Standard_Real theLast,
                                         const Standard_Real theTolRange)
 {
   myCurve = theCurve;
-  mySurface = theSurface;
-  myFirst = theFirst;
-  myLast = theLast;
   myErrorStatus = 0;
   myMaxDistance = RealLast();
   myMaxParameter = 0.0;
@@ -390,21 +369,18 @@ void GeomLib_CheckCurveOnSurface::Init( const Handle(Geom_Curve)& theCurve,
 //function : Perform
 //purpose  : 
 //=======================================================================
-void GeomLib_CheckCurveOnSurface::Perform(const Handle(Geom2d_Curve)& thePCurve,
+void GeomLib_CheckCurveOnSurface::Perform(const Handle(Adaptor3d_CurveOnSurface)& theCurveOnSurface,
                                           const Standard_Boolean isMultiThread)
 {
   if( myCurve.IsNull() ||
-      mySurface.IsNull() ||
+      theCurveOnSurface.IsNull())
-      thePCurve.IsNull())
   {
     myErrorStatus = 1;
     return;
   }
 
-  if(((myCurve->FirstParameter() - myFirst) > myTolRange) ||
+  if ((myCurve->FirstParameter() - theCurveOnSurface->FirstParameter() >  myTolRange) ||
-     ((myCurve->LastParameter() - myLast) < -myTolRange) ||
+      (myCurve->LastParameter()  - theCurveOnSurface->LastParameter()  < -myTolRange))
-     ((thePCurve->FirstParameter() - myFirst) > myTolRange) ||
-     ((thePCurve->LastParameter() - myLast) < -myTolRange))
   {
     myErrorStatus = 2;
     return;
@@ -421,9 +397,9 @@ void GeomLib_CheckCurveOnSurface::Perform(const Handle(Geom2d_Curve)& thePCurve,
   //at least one particle in every monotonicity interval. Therefore,
   //number of particles should be equal to n. 
 
-  const Standard_Integer aNbSubIntervals = 
+  const Standard_Integer aNbSubIntervals =
-                              FillSubIntervals( myCurve, thePCurve,
+    FillSubIntervals(myCurve, theCurveOnSurface->GetCurve(),
-                                                myFirst, myLast, aNbParticles);
+                     myCurve->FirstParameter(), myCurve->LastParameter(), aNbParticles);
 
   if(!aNbSubIntervals)
   {
@@ -431,22 +407,45 @@ void GeomLib_CheckCurveOnSurface::Perform(const Handle(Geom2d_Curve)& thePCurve,
     return;
   }
 
-  try {
+  try
+  {
     OCC_CATCH_SIGNALS
 
-    TColStd_Array1OfReal anIntervals(1, aNbSubIntervals+1);
+    TColStd_Array1OfReal anIntervals(1, aNbSubIntervals + 1);
-    FillSubIntervals(myCurve, thePCurve, myFirst, myLast, aNbParticles, &anIntervals);
+    FillSubIntervals(myCurve, theCurveOnSurface->GetCurve(),
-
+                     myCurve->FirstParameter(), myCurve->LastParameter(), aNbParticles, &anIntervals);
-    GeomLib_CheckCurveOnSurface_Local aComp(myCurve, thePCurve,
-                                mySurface, anIntervals, anEpsilonRange, aNbParticles);
-
-    OSD_Parallel::For(anIntervals.Lower(), anIntervals.Upper(), aComp, !isMultiThread);
 
+    const Standard_Integer aNbThreads = isMultiThread ? Min(anIntervals.Size(), OSD_ThreadPool::DefaultPool()->NbDefaultThreadsToLaunch()) : 1;
+    Array1OfHCurve aCurveArray(0, aNbThreads - 1);
+    Array1OfHCurve aCurveOnSurfaceArray(0, aNbThreads - 1);
+    for (Standard_Integer anI = 0; anI < aNbThreads; ++anI)
+    {
+      aCurveArray.SetValue(anI, aNbThreads > 1 ? myCurve->ShallowCopy() : myCurve);
+      aCurveOnSurfaceArray.SetValue(anI, aNbThreads > 1
+                                    ? theCurveOnSurface->ShallowCopy()
+                                    : static_cast<const Handle(Adaptor3d_Curve)&> (theCurveOnSurface));
+    }
+    GeomLib_CheckCurveOnSurface_Local aComp(aCurveArray, aCurveOnSurfaceArray, anIntervals,
+                                            anEpsilonRange, aNbParticles);
+    if (aNbThreads > 1)
+    {
+      const Handle(OSD_ThreadPool)& aThreadPool = OSD_ThreadPool::DefaultPool();
+      OSD_ThreadPool::Launcher aLauncher(*aThreadPool, aNbThreads);
+      aLauncher.Perform(anIntervals.Lower(), anIntervals.Upper(), aComp);
+    }
+    else
+    {
+      for (Standard_Integer anI = anIntervals.Lower(); anI < anIntervals.Upper(); ++anI)
+      {
+        aComp(0, anI);
+      }
+    }
     aComp.OptimalValues(myMaxDistance, myMaxParameter);
 
     myMaxDistance = sqrt(Abs(myMaxDistance));
   }
-  catch (Standard_Failure const&) {
+  catch (Standard_Failure const&)
+  {
     myErrorStatus = 3;
   }
 }
@@ -458,11 +457,11 @@ void GeomLib_CheckCurveOnSurface::Perform(const Handle(Geom2d_Curve)& thePCurve,
 //            (fills theSubIntervals array).
 //            Returns number of subintervals.
 //=======================================================================
-Standard_Integer FillSubIntervals(const Handle(Geom_Curve)& theCurve3d,
+Standard_Integer FillSubIntervals(const Handle(Adaptor3d_Curve)& theCurve3d,
-                                  const Handle(Geom2d_Curve)& theCurve2d,
+                                  const Handle(Adaptor2d_Curve2d)& theCurve2d,
                                   const Standard_Real theFirst,
                                   const Standard_Real theLast,
-                                  Standard_Integer &theNbParticles,
+                                  Standard_Integer& theNbParticles,
                                   TColStd_Array1OfReal* const theSubIntervals)
 {
   const Standard_Integer aMaxKnots = 101;
@@ -475,33 +474,18 @@ Standard_Integer FillSubIntervals(const Handle(Geom_Curve)& theCurve3d,
   Standard_Boolean isTrimmed3D = Standard_False, isTrimmed2D = Standard_False;
 
   //
-  if (theCurve3d->IsKind(STANDARD_TYPE(Geom_TrimmedCurve)))
+  if (theCurve3d->GetType() == GeomAbs_BSplineCurve)
   {
-    aBS3DCurv = Handle(Geom_BSplineCurve)::
+    aBS3DCurv = theCurve3d->BSpline();
-                      DownCast(Handle(Geom_TrimmedCurve)::
-                      DownCast(theCurve3d)->BasisCurve());
-    isTrimmed3D = Standard_True;
   }
-  else
+  if (theCurve2d->GetType() == GeomAbs_BSplineCurve)
   {
-    aBS3DCurv = Handle(Geom_BSplineCurve)::DownCast(theCurve3d);
+    aBS2DCurv = theCurve2d->BSpline();
   }
 
-  if (theCurve2d->IsKind(STANDARD_TYPE(Geom2d_TrimmedCurve)))
+  Handle(TColStd_HArray1OfReal) anArrKnots3D, anArrKnots2D;
-  {
-    aBS2DCurv = Handle(Geom2d_BSplineCurve)::
-                      DownCast(Handle(Geom2d_TrimmedCurve)::
-                      DownCast(theCurve2d)->BasisCurve());
-    isTrimmed2D = Standard_True;
-  }
-  else
-  {
-    aBS2DCurv = Handle(Geom2d_BSplineCurve)::DownCast(theCurve2d);
-  }
 
-  Handle(TColStd_HArray1OfReal) anArrKnots3D,  anArrKnots2D; 
+  if (!aBS3DCurv.IsNull())
- 
-  if(!aBS3DCurv.IsNull())
   {
     if(aBS3DCurv->NbKnots() <= aMaxKnots)
     {

src/GeomLib/GeomLib_CheckCurveOnSurface.hxx

@@ -15,12 +15,11 @@
 #ifndef _GeomLib_CheckCurveOnSurface_HeaderFile
 #define _GeomLib_CheckCurveOnSurface_HeaderFile
 
-#include <Geom_Curve.hxx>
+#include <Adaptor3d_Curve.hxx>
 #include <Precision.hxx>
 #include <Standard.hxx>
 
-class Geom_Surface;
+class Adaptor3d_CurveOnSurface;
-class Geom2d_Curve;
 
 //! Computes the max distance between 3D-curve and 2D-curve
 //! in some surface.
@@ -35,48 +34,22 @@ public:
   
   //! Constructor
   Standard_EXPORT
-    GeomLib_CheckCurveOnSurface(const Handle(Geom_Curve)& theCurve, 
+    GeomLib_CheckCurveOnSurface(const Handle(Adaptor3d_Curve)& theCurve,
-                                const Handle(Geom_Surface)& theSurface, 
-                                const Standard_Real theFirst, 
-                                const Standard_Real theLast,
                                 const Standard_Real theTolRange = 
                                                       Precision::PConfusion());
   
   //! Sets the data for the algorithm
-  Standard_EXPORT void Init (const Handle(Geom_Curve)& theCurve, 
+  Standard_EXPORT void Init (const Handle(Adaptor3d_Curve)& theCurve,
-                             const Handle(Geom_Surface)& theSurface, 
-                             const Standard_Real theFirst, 
-                             const Standard_Real theLast,
                              const Standard_Real theTolRange = Precision::PConfusion());
 
   //! Initializes all members by default values
   Standard_EXPORT void Init();
 
   //! Computes the max distance for the 3d curve <myCurve>
-  //! and 2d curve <thePCurve>
+  //! and 2d curve <theCurveOnSurface>
   //! If isMultiThread == Standard_True then computation will be performed in parallel.
-  Standard_EXPORT void Perform(const Handle(Geom2d_Curve)& thePCurve, 
+  Standard_EXPORT void Perform(const Handle(Adaptor3d_CurveOnSurface)& theCurveOnSurface,
-                               const Standard_Boolean isMultiThread = Standard_True);
+                               const Standard_Boolean isMultiThread = Standard_False);
-
-  //! Returns my3DCurve
-  const Handle(Geom_Curve)& Curve() const
-  {
-    return myCurve;
-  }  
-
-  //! Returns mySurface
-  const Handle(Geom_Surface)& Surface() const
-  {
-    return mySurface;
-  }
-  
-  //! Returns first and last parameter of the curves
-  //! (2D- and 3D-curves are considered to have same range)
-  void Range (Standard_Real& theFirst, Standard_Real& theLast)
-  {
-    theFirst = myFirst;
-    theLast  = myLast;
-  }
 
   //! Returns true if the max distance has been found
   Standard_Boolean IsDone() const
@@ -109,10 +82,7 @@ public:
 
 private:
 
-  Handle(Geom_Curve) myCurve;
+  Handle(Adaptor3d_Curve) myCurve;
-  Handle(Geom_Surface) mySurface;
-  Standard_Real myFirst;
-  Standard_Real myLast;
   Standard_Integer myErrorStatus;
   Standard_Real myMaxDistance;
   Standard_Real myMaxParameter;

src/IntTools/IntTools_Tools.cxx

@@ -21,6 +21,7 @@
 #include <BRepAdaptor_Surface.hxx>
 #include <Geom2d_Curve.hxx>
 #include <Geom2d_TrimmedCurve.hxx>
+#include <Geom2dAdaptor_Curve.hxx>
 #include <Geom_BoundedCurve.hxx>
 #include <Geom_Curve.hxx>
 #include <Geom_Geometry.hxx>
@@ -797,8 +798,16 @@ Standard_Boolean IntTools_Tools::ComputeTolerance
 {
   GeomLib_CheckCurveOnSurface aCS;
   //
-  aCS.Init(theCurve3D, theSurf, theFirst, theLast, theTolRange);
+  const Handle(Adaptor3d_Curve) aGeomAdaptorCurve = new GeomAdaptor_Curve(theCurve3D, theFirst, theLast);
-  aCS.Perform (theCurve2D, theToRunParallel);
+
+  Handle(Adaptor2d_Curve2d) aGeom2dAdaptorCurve = new Geom2dAdaptor_Curve(theCurve2D, theFirst, theLast);
+  Handle(GeomAdaptor_Surface) aGeomAdaptorSurface = new GeomAdaptor_Surface(theSurf);
+
+  Handle(Adaptor3d_CurveOnSurface) anAdaptor3dCurveOnSurface =
+    new Adaptor3d_CurveOnSurface(aGeom2dAdaptorCurve, aGeomAdaptorSurface);
+
+  aCS.Init(aGeomAdaptorCurve, theTolRange);
+  aCS.Perform(anAdaptor3dCurveOnSurface, theToRunParallel);
   if (!aCS.IsDone()) {
     return Standard_False;
   }