0031939: Coding - correction of spelling errors in comments [part 5]

Fix various typos

Fixed via `codespell v2.1.dev

src/AIS/AIS_InteractiveContext.hxx

@@ -1128,7 +1128,7 @@ public:
 
   //! Allows to add or remove the object given to the list of current and highlight/unhighlight it correspondingly.
   //! Is valid for global context only; for local context use method AddOrRemoveSelected.
-  //! Since this method makes sence only for neutral point selection of a whole object,
+  //! Since this method makes sense only for neutral point selection of a whole object,
   //! if 0 selection of the object is empty this method simply does nothing.
   Standard_DEPRECATED ("Local Context is deprecated - local selection should be used without Local Context")
   void AddOrRemoveCurrentObject (const Handle(AIS_InteractiveObject)& theObj,

src/AIS/AIS_InteractiveContext_1.cxx

@@ -1010,9 +1010,7 @@ void AIS_InteractiveContext::SetSelected (const Handle(SelectMgr_EntityOwner)& t
 
 //=======================================================================
 //function : AddOrRemoveSelected
-//purpose  : Adds or removes current object from AIS selection and highlights/unhighlights it.
+//purpose  :
-//           Since this method makes sence only for neutral point selection of a whole object,
-//           if 0 selection of the object is empty this method simply does nothing.
 //=======================================================================
 void AIS_InteractiveContext::AddOrRemoveSelected (const Handle(AIS_InteractiveObject)& theObject,
                                                   const Standard_Boolean theToUpdateViewer)

src/AIS/AIS_Manipulator.hxx

@@ -203,7 +203,7 @@ public:
 
   //! Computes transformation of parent object according to the active mode and input motion vector.
   //! You can use this method to get object transformation according to current mode or use own algorithm
-  //! to implement any other tranformation for modes.
+  //! to implement any other transformation for modes.
   //! @return transformation of parent object.
   Standard_EXPORT Standard_Boolean ObjectTransformation (const Standard_Integer theX, const Standard_Integer theY,
                                                          const Handle(V3d_View)& theView, gp_Trsf& theTrsf);

src/Adaptor3d/Adaptor3d_Surface.hxx

@@ -46,16 +46,14 @@ DEFINE_STANDARD_HANDLE(Adaptor3d_Surface, Standard_Transient)
 //! of a surface for generic algorithms.
 //!
 //! The Surface can  be decomposed in intervals of any
-//! continuity    in  U    and    V using  the  method
+//! continuity in U and V using the method NbIntervals.
-//! NbIntervals.  A current interval can be set.  Most
+//! A current interval can be set.
-//! of the methods apply to the current interval.
+//! Most of the methods apply to the current interval.
 //! Warning: All the methods are virtual and implemented with a
-//! raise to allow to redefined only the methods realy
+//! raise to allow to redefined only the methods really used.
-//! used.
 //!
-//! Polynomial coefficients of BSpline surfaces used for their evaluation are
+//! Polynomial coefficients of BSpline surfaces used for their evaluation are cached for better performance.
-//! cached for better performance. Therefore these evaluations are not
+//! Therefore these evaluations are not thread-safe and parallel evaluations need to be prevented.
-//! thread-safe and parallel evaluations need to be prevented.
 class Adaptor3d_Surface : public Standard_Transient
 {
   DEFINE_STANDARD_RTTIEXT(Adaptor3d_Surface, Standard_Transient)

src/Adaptor3d/Adaptor3d_TopolTool.hxx

@@ -30,18 +30,14 @@ class Adaptor3d_HVertex;
 DEFINE_STANDARD_HANDLE(Adaptor3d_TopolTool, Standard_Transient)
 
 //! This class provides a default topological tool,
-//! based on the Umin,Vmin,Umax,Vmax of an HSurface
+//! based on the Umin,Vmin,Umax,Vmax of an HSurface from Adaptor3d.
-//! from Adaptor3d.
+//! All methods and fields may be redefined when inheriting from this class.
-//! All methods and fields may be redefined when
+//! This class is used to instantiate algorithms as Intersection, outlines,...
-//! inheriting from this class.
-//! This class is used to instantiate algorithmes
-//! as Intersection, outlines,...
 class Adaptor3d_TopolTool : public Standard_Transient
 {
 
 public:
 
-  
   Standard_EXPORT Adaptor3d_TopolTool();
   
   Standard_EXPORT Adaptor3d_TopolTool(const Handle(Adaptor3d_Surface)& Surface);
@@ -127,42 +123,41 @@ public:
   Standard_EXPORT virtual Standard_Boolean DomainIsInfinite();
   
   Standard_EXPORT virtual Standard_Address Edge() const;
-  
+
-  //! compute the sample-points for the intersections algorithms
+  //! Compute the sample-points for the intersections algorithms by adaptive algorithm for BSpline surfaces.
-  //! by adaptive algorithm for BSpline surfaces. For other surfaces algorithm
+  //! For other surfaces algorithm is the same as in method ComputeSamplePoints(),
-  //! is the same as in method ComputeSamplePoints(), but only fill arrays of U
+  //! but only fill arrays of U and V sample parameters;
-  //! and V sample parameters;
+  //! @param theDefl  [in] a required deflection
-  //! theDefl is a requred deflection
+  //! @param theNUmin [in] minimal nb points for U
-  //! theNUmin, theNVmin are minimal nb points for U and V.
+  //! @param theNVmin [in] minimal nb points for V
-  Standard_EXPORT virtual void SamplePnts (const Standard_Real theDefl, const Standard_Integer theNUmin, const Standard_Integer theNVmin);
+  Standard_EXPORT virtual void SamplePnts (const Standard_Real theDefl,
-  
+                                           const Standard_Integer theNUmin,
-  //! compute the sample-points for the intersections algorithms
+                                           const Standard_Integer theNVmin);
-  //! by adaptive algorithm for BSpline surfaces  -  is  used  in  SamplePnts
+
-  //! theDefl is a requred deflection
+  //! Compute the sample-points for the intersections algorithms
-  //! theNUmin, theNVmin are minimal nb points for U and V.
+  //! by adaptive algorithm for BSpline surfaces - is used in SamplePnts
-  Standard_EXPORT virtual void BSplSamplePnts (const Standard_Real theDefl, const Standard_Integer theNUmin, const Standard_Integer theNVmin);
+  //! @param theDefl  [in] required deflection
-  
+  //! @param theNUmin [in] minimal nb points for U
+  //! @param theNVmin [in] minimal nb points for V
+  Standard_EXPORT virtual void BSplSamplePnts (const Standard_Real theDefl,
+                                               const Standard_Integer theNUmin,
+                                               const Standard_Integer theNVmin);
+
   //! Returns true if provide uniform sampling of points.
   Standard_EXPORT virtual Standard_Boolean IsUniformSampling() const;
 
-
-
-
   DEFINE_STANDARD_RTTIEXT(Adaptor3d_TopolTool,Standard_Transient)
 
 protected:
 
-
   Handle(Adaptor3d_Surface) myS;
   Standard_Integer myNbSamplesU;
   Standard_Integer myNbSamplesV;
   Handle(TColStd_HArray1OfReal) myUPars;
   Handle(TColStd_HArray1OfReal) myVPars;
 
-
 private:
 
-
   Standard_Integer nbRestr;
   Standard_Integer idRestr;
   Standard_Real Uinf;
@@ -174,13 +169,6 @@ private:
   Standard_Integer idVtx;
   Handle(Adaptor3d_HVertex) myVtx[2];
 
-
 };
 
-
-
-
-
-
-
 #endif // _Adaptor3d_TopolTool_HeaderFile

src/AdvApp2Var/AdvApp2Var_ApproxAFunc2Var.cxx

@@ -416,7 +416,7 @@ void AdvApp2Var_ApproxAFunc2Var::ComputePatches(const AdvApprox_Cutting& UChoice
 	myConstraints.UpdateInV(Vdec);
 	break;
       case 3 :
-//      It is necesary to cut in U and V
+//      It is necessary to cut in U and V
 	myResult.UpdateInU(Udec);
 	myConstraints.UpdateInU(Udec);
 	myResult.UpdateInV(Vdec);
@@ -796,7 +796,7 @@ void AdvApp2Var_ApproxAFunc2Var::ComputeCritError()
 
 //=======================================================================
 //function : ConvertBS
-//purpose  : Convertion of the approximation in BSpline Surface
+//purpose  : Conversion of the approximation in BSpline Surface
 //=======================================================================
 
 void AdvApp2Var_ApproxAFunc2Var::ConvertBS()

src/AdvApp2Var/AdvApp2Var_ApproxAFunc2Var.hxx

@@ -51,7 +51,7 @@ class Geom_BSplineSurface;
 //! [FirstInU, LastInU]: The Bounds in U of the Approximation
 //! [FirstInV, LastInV]: The Bounds in V of the Approximation
 //! FavorIso : Give preference to extract u-iso or v-iso on F(U,V)
-//! This can be usefull to optimize the <Func> methode
+//! This can be useful to optimize the <Func> method
 //! ContInU, ContInV : Continuity waiting in u and v
 //! PrecisCode : Precision on approximation's error mesurement
 //! 1 : Fast computation and average precision
@@ -64,7 +64,7 @@ class Geom_BSplineSurface;
 //! where iu (resp. iv) = 0 if ContInU (resp. ContInV)  = GeomAbs_C0,
 //! = 1 if                          = GeomAbs_C1,
 //! = 2 if                          = GeomAbs_C2.
-//! MaxPatch  : Maximun number of Patch waiting
+//! MaxPatch  : Maximum number of Patch waiting
 //! number of Patch is number of u span * number of v span
 //! Func      : The external method to evaluate F(U,V)
 //! Crit      : To (re)defined condition of convergence

src/AdvApp2Var/AdvApp2Var_SysBase.cxx

@@ -1675,7 +1675,7 @@ int maoverf_(integer *nbentr,
 /*       Other types of tables (INTEGER*2, INTEGER, REAL, ...) */
 /*       are not managed by the routine. */
 
-/*       It is usable in phase of developpement to detect the */
+/*       It is usable in phase of development to detect the */
 /*       errors of initialization. */
 
 /*       In official version, these calls will be inactive. */
@@ -1770,7 +1770,7 @@ int maoverf_(integer *nbentr,
 
 /*      TABLES */
 
-/*      DATAS */
+/*      DATA */
     /* Parameter adjustments */
   --dtable;
   

src/AdvApprox/AdvApprox_ApproxAFunction.hxx

@@ -122,7 +122,7 @@ public:
   
   Standard_EXPORT Standard_Real AverageError (const Standard_Integer Dimension, const Standard_Integer Index) const;
   
-  //! diplay information on approximation.
+  //! display information on approximation.
   Standard_EXPORT void Dump (Standard_OStream& o) const;
 
 

src/AppDef/AppDef_BSpParLeastSquareOfMyBSplGradientOfBSplineCompute.hxx

@@ -174,17 +174,17 @@ public:
 protected:
 
   
-  //! is used by the constuctors above.
+  //! is used by the constructors above.
   Standard_EXPORT void Init (const AppDef_MultiLine& SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint);
   
   //! returns the number of second member columns.
   //! Is used internally to initialize the fields.
   Standard_EXPORT Standard_Integer NbBColumns (const AppDef_MultiLine& SSP) const;
   
-  //! returns the first point beeing fitted.
+  //! returns the first point being fitted.
   Standard_EXPORT Standard_Integer TheFirstPoint (const AppParCurves_Constraint FirstCons, const Standard_Integer FirstPoint) const;
   
-  //! returns the last point beeing fitted.
+  //! returns the last point being fitted.
   Standard_EXPORT Standard_Integer TheLastPoint (const AppParCurves_Constraint LastCons, const Standard_Integer LastPoint) const;
   
   //! Affects the fields in the case of a constraint point.

src/AppDef/AppDef_MyLineTool.hxx

@@ -31,9 +31,8 @@
 class AppDef_MultiLine;
 
 
-//! example of MultiLine tool corresponding to the tools of the packages
+//! Example of MultiLine tool corresponding to the tools of the packages AppParCurves and Approx.
-//! AppParCurves and Approx. For Approx, the tool will not addd points
+//! For Approx, the tool will not add points if the algorithms want some.
-//! if the algorithms want some.
 class AppDef_MyLineTool 
 {
 public:

src/AppDef/AppDef_ParLeastSquareOfMyGradientOfCompute.hxx

@@ -174,17 +174,17 @@ public:
 protected:
 
   
-  //! is used by the constuctors above.
+  //! is used by the constructors above.
   Standard_EXPORT void Init (const AppDef_MultiLine& SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint);
   
   //! returns the number of second member columns.
   //! Is used internally to initialize the fields.
   Standard_EXPORT Standard_Integer NbBColumns (const AppDef_MultiLine& SSP) const;
   
-  //! returns the first point beeing fitted.
+  //! returns the first point being fitted.
   Standard_EXPORT Standard_Integer TheFirstPoint (const AppParCurves_Constraint FirstCons, const Standard_Integer FirstPoint) const;
   
-  //! returns the last point beeing fitted.
+  //! returns the last point being fitted.
   Standard_EXPORT Standard_Integer TheLastPoint (const AppParCurves_Constraint LastCons, const Standard_Integer LastPoint) const;
   
   //! Affects the fields in the case of a constraint point.

src/AppDef/AppDef_ParLeastSquareOfMyGradientbisOfBSplineCompute.hxx

@@ -174,17 +174,17 @@ public:
 protected:
 
   
-  //! is used by the constuctors above.
+  //! is used by the constructors above.
   Standard_EXPORT void Init (const AppDef_MultiLine& SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint);
   
   //! returns the number of second member columns.
   //! Is used internally to initialize the fields.
   Standard_EXPORT Standard_Integer NbBColumns (const AppDef_MultiLine& SSP) const;
   
-  //! returns the first point beeing fitted.
+  //! returns the first point being fitted.
   Standard_EXPORT Standard_Integer TheFirstPoint (const AppParCurves_Constraint FirstCons, const Standard_Integer FirstPoint) const;
   
-  //! returns the last point beeing fitted.
+  //! returns the last point being fitted.
   Standard_EXPORT Standard_Integer TheLastPoint (const AppParCurves_Constraint LastCons, const Standard_Integer LastPoint) const;
   
   //! Affects the fields in the case of a constraint point.

src/AppDef/AppDef_ParLeastSquareOfTheGradient.hxx

@@ -174,17 +174,17 @@ public:
 protected:
 
   
-  //! is used by the constuctors above.
+  //! is used by the constructors above.
   Standard_EXPORT void Init (const AppDef_MultiLine& SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint);
   
   //! returns the number of second member columns.
   //! Is used internally to initialize the fields.
   Standard_EXPORT Standard_Integer NbBColumns (const AppDef_MultiLine& SSP) const;
   
-  //! returns the first point beeing fitted.
+  //! returns the first point being fitted.
   Standard_EXPORT Standard_Integer TheFirstPoint (const AppParCurves_Constraint FirstCons, const Standard_Integer FirstPoint) const;
   
-  //! returns the last point beeing fitted.
+  //! returns the last point being fitted.
   Standard_EXPORT Standard_Integer TheLastPoint (const AppParCurves_Constraint LastCons, const Standard_Integer LastPoint) const;
   
   //! Affects the fields in the case of a constraint point.

src/AppDef/AppDef_TheLeastSquares.hxx

@@ -174,17 +174,17 @@ public:
 protected:
 
   
-  //! is used by the constuctors above.
+  //! is used by the constructors above.
   Standard_EXPORT void Init (const AppDef_MultiLine& SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint);
   
   //! returns the number of second member columns.
   //! Is used internally to initialize the fields.
   Standard_EXPORT Standard_Integer NbBColumns (const AppDef_MultiLine& SSP) const;
   
-  //! returns the first point beeing fitted.
+  //! returns the first point being fitted.
   Standard_EXPORT Standard_Integer TheFirstPoint (const AppParCurves_Constraint FirstCons, const Standard_Integer FirstPoint) const;
   
-  //! returns the last point beeing fitted.
+  //! returns the last point being fitted.
   Standard_EXPORT Standard_Integer TheLastPoint (const AppParCurves_Constraint LastCons, const Standard_Integer LastPoint) const;
   
   //! Affects the fields in the case of a constraint point.

src/AppDef/AppDef_Variational.cxx

@@ -921,11 +921,13 @@ void AppDef_Variational::Dump(Standard_OStream& o) const
     o << " NbSegments           "  << myKnots->Length()-1 << std::endl;
   }
   else
-  { if (myIsOverConstr) o << "The probleme is overconstraint " << std::endl;
+  {
-  else o << " Erreur dans l''approximation" << std::endl;
+    o << (myIsOverConstr
-  }   
+       ? " The problem is overconstraint"
+       : " Error in approximation") << std::endl;
+  }
 }
-//
+
 //=======================================================================
 //function : SetConstraints
 //purpose  : Define the constraints to approximate

src/Approx/Approx_SweepApproximation.cxx

@@ -406,7 +406,7 @@ Standard_Boolean Approx_SweepApproximation::D0(const Standard_Real Param,
 		    myPoles2d->ChangeArray1(),
 		    myWeigths->ChangeArray1());
 
-    //  poles3d are multiplied by weight after tranlation.
+    //  poles3d are multiplied by weight after translation.
     for (ii=1; ii<=Num1DSS; ii++) {
       myPoles->ChangeValue(ii).ChangeCoord()
 	-= Translation.XYZ();
@@ -553,7 +553,7 @@ Standard_Boolean Approx_SweepApproximation::D2(const Standard_Real Param,
 		    myDWeigths->ChangeArray1(),
 		    myD2Weigths->ChangeArray1());
 
-    //  Multiply poles3d by the weight after tranlations.
+    //  Multiply poles3d by the weight after translations.
     for (ii=1; ii<=Num1DSS; ii++) {
       // First translate
       myPoles->ChangeValue(ii).ChangeCoord()

src/Approx/Approx_SweepApproximation.hxx

@@ -72,7 +72,7 @@ public:
   //! [First, Last] : Approx_SweepApproximation.cdl
   //! Tol3d : Tolerance to surface approximation
   //! Tol2d : Tolerance used to perform curve approximation
-  //! Normaly the 2d curve are approximated with a
+  //! Normally the 2d curve are approximated with a
   //! tolerance given by the resolution on support surfaces,
   //! but if this tolerance is too large Tol2d is used.
   //! TolAngular : Tolerance (in radian) to control the angle
@@ -111,10 +111,10 @@ public:
   
     const TColStd_Array1OfInteger& SurfVMults() const;
   
-  //! returns the maximum error in the suface approximation.
+  //! returns the maximum error in the surface approximation.
   Standard_EXPORT Standard_Real MaxErrorOnSurf() const;
   
-  //! returns the average error in the suface approximation.
+  //! returns the average error in the surface approximation.
   Standard_EXPORT Standard_Real AverageErrorOnSurf() const;
   
     Standard_Integer NbCurves2d() const;

src/Approx/Approx_SweepFunction.hxx

@@ -52,12 +52,12 @@ public:
   
   //! compute the first  derivative in v direction  of the
   //! section for v =  param
-  //! Warning : It used only for C1 or C2 aproximation
+  //! Warning : It used only for C1 or C2 approximation
   Standard_EXPORT virtual Standard_Boolean D1 (const Standard_Real Param, const Standard_Real First, const Standard_Real Last, TColgp_Array1OfPnt& Poles, TColgp_Array1OfVec& DPoles, TColgp_Array1OfPnt2d& Poles2d, TColgp_Array1OfVec2d& DPoles2d, TColStd_Array1OfReal& Weigths, TColStd_Array1OfReal& DWeigths);
   
   //! compute the second derivative  in v direction of the
   //! section  for v = param
-  //! Warning : It used only for C2 aproximation
+  //! Warning : It used only for C2 approximation
   Standard_EXPORT virtual Standard_Boolean D2 (const Standard_Real Param, const Standard_Real First, const Standard_Real Last, TColgp_Array1OfPnt& Poles, TColgp_Array1OfVec& DPoles, TColgp_Array1OfVec& D2Poles, TColgp_Array1OfPnt2d& Poles2d, TColgp_Array1OfVec2d& DPoles2d, TColgp_Array1OfVec2d& D2Poles2d, TColStd_Array1OfReal& Weigths, TColStd_Array1OfReal& DWeigths, TColStd_Array1OfReal& D2Weigths);
   
   //! get the number of 2d curves to  approximate.
@@ -105,26 +105,22 @@ public:
   //! SurfTol error inside the surface.
   Standard_EXPORT virtual void GetTolerance (const Standard_Real BoundTol, const Standard_Real SurfTol, const Standard_Real AngleTol, TColStd_Array1OfReal& Tol3d) const = 0;
   
-  //! Is usefull, if (me) have to run numerical
+  //! Is useful, if (me) have to run numerical algorithm to perform D0, D1 or D2
-  //! algorithm to perform D0, D1 or D2
   Standard_EXPORT virtual void SetTolerance (const Standard_Real Tol3d, const Standard_Real Tol2d) = 0;
   
   //! Get the barycentre of Surface.
-  //! An   very  poor estimation is sufficent.
+  //! An very poor estimation is sufficient.
-  //! This information is usefull to perform well
+  //! This information is useful to perform well conditioned rational approximation.
-  //! conditioned rational approximation.
   //! Warning: Used only if <me> IsRational
   Standard_EXPORT virtual gp_Pnt BarycentreOfSurf() const;
   
-  //! Returns the   length of the greater section. This
+  //! Returns the length of the greater section.
-  //! information is usefull to G1's control.
+  //!  Thisinformation is useful to G1's control.
   //! Warning: With an little value, approximation can be slower.
   Standard_EXPORT virtual Standard_Real MaximalSection() const;
   
-  //! Compute the minimal value of weight for each poles
+  //! Compute the minimal value of weight for each poles in all  sections.
-  //! in all  sections.
+  //! This information is useful to control error in rational approximation.
-  //! This information is  usefull to control error
-  //! in rational approximation.
   //! Warning: Used only if <me> IsRational
   Standard_EXPORT virtual void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const;
 

src/ApproxInt/ApproxInt_ImpPrmSvSurfaces.gxx

@@ -72,7 +72,7 @@ static Standard_Boolean IsSingular( const gp_Vec& theDU,
 //              Condition
 //                  Tg=theDU*theTg2D.X()+theDV*theTg2D.Y()  
 //            has to be satisfied strictly.
-//              More over, vector Tg has to be NORMALYZED
+//              More over, vector Tg has to be NORMALIZED
 //            (if theIsTo3DTgCompute == TRUE then new computed vector will
 //            always have magnitude 1.0).
 //=======================================================================
@@ -86,7 +86,7 @@ static Standard_Boolean SingularProcessing( const gp_Vec& theDU,
 {
   //Attention: @ \sin theAngTol \approx theAngTol @ (for cross-product)
 
-  //Really, vector theTg3D has to be normalyzed (if theIsTo3DTgCompute == FALSE).
+  //Really, vector theTg3D has to be normalized (if theIsTo3DTgCompute == FALSE).
   const Standard_Real aSQTan = theTg3D.SquareMagnitude();
 
   const Standard_Real aSqMagnDU = theDU.SquareMagnitude(),
@@ -113,7 +113,7 @@ static Standard_Boolean SingularProcessing( const gp_Vec& theDU,
     
     if(theIsTo3DTgCompute)
     {
-      //theTg3D will be normalyzed. Its magnitude is
+      //theTg3D will be normalized. Its magnitude is
       const Standard_Real aTgMagn = 1.0;
 
       const Standard_Real aNorm = sqrt(aSqMagnDV);
@@ -156,7 +156,7 @@ static Standard_Boolean SingularProcessing( const gp_Vec& theDU,
     
     if(theIsTo3DTgCompute)
     {
-      //theTg3D will be normalyzed. Its magnitude is
+      //theTg3D will be normalized. Its magnitude is
       const Standard_Real aTgMagn = 1.0;
 
       const Standard_Real aNorm = sqrt(aSqMagnDU);
@@ -286,7 +286,7 @@ static Standard_Boolean SingularProcessing( const gp_Vec& theDU,
 //              Condition
 //                  Tg=theDU*theTg2D.X()+theDV*theTg2D.Y()  
 //            has to be satisfied strictly.
-//              More over, vector Tg has always to be NORMALYZED.
+//              More over, vector Tg has always to be NORMALIZED.
 //=======================================================================
 static Standard_Boolean NonSingularProcessing(const gp_Vec& theDU,
                                               const gp_Vec& theDV,
@@ -621,7 +621,7 @@ Standard_Boolean ApproxInt_ImpPrmSvSurfaces::Compute( Standard_Real& u1,
         aNormalPrm.Divide(sqrt(aSQMagnPrm));
       }
 
-      //Analogicaly for implicit surface
+      //Analogically for implicit surface
       if(aSQMagnImp < aNullValue)
       {
         isImpSingular = Standard_True;
@@ -657,7 +657,7 @@ Standard_Boolean ApproxInt_ImpPrmSvSurfaces::Compute( Standard_Real& u1,
         //(3D- and 2D-tangents are still not defined)
 
         //Ask to pay attention to the fact that here
-        //aNormalImp and aNormalPrm are normalyzed.
+        //aNormalImp and aNormalPrm are normalized.
         //Therefore, @ \left \| \vec{Tg} \right \| = 0.0 @
         //if and only if (aNormalImp || aNormalPrm).
         Tg = aNormalImp.Crossed(aNormalPrm);
@@ -672,7 +672,7 @@ Standard_Boolean ApproxInt_ImpPrmSvSurfaces::Compute( Standard_Real& u1,
         return Standard_False;
       }
 
-      //Normalyze Tg vector
+      //Normalize Tg vector
       Tg.Divide(sqrt(aSQMagnTg));
       MyTg = Tg;
 

src/ApproxInt/ApproxInt_KnotTools.cxx

@@ -243,7 +243,7 @@ void ApproxInt_KnotTools::ComputeKnotInds(const NCollection_LocalArray<Standard_
   }
   while(i < theInds.Length());
 
-  //IV: Cheking feature points.
+  //IV: Checking feature points.
   j = 2;
   for(i = 1; i <= aFeatureInds.Length(); ++i)
   {

src/Aspect/Aspect_Window.hxx

@@ -122,7 +122,7 @@ public:
 
 protected:
 
-  //! Initializes the datas of a Window.
+  //! Initializes the data of a Window.
   Standard_EXPORT Aspect_Window();
 
 protected:

src/BOPAlgo/BOPAlgo_Builder.hxx

@@ -338,7 +338,7 @@ public: //! @name Images/Origins
 protected: //! @name Methods for building the result
 
   //! Performs the building of the result.
-  //! The method calls the PerfromInternal1() method surrounded by a try-catch block.
+  //! The method calls the PerformInternal1() method surrounded by a try-catch block.
   Standard_EXPORT virtual void PerformInternal (const BOPAlgo_PaveFiller& thePF);
 
   //! Performs the building of the result.

src/BOPAlgo/BOPAlgo_MakerVolume.hxx

@@ -49,7 +49,7 @@ class BOPAlgo_PaveFiller;
 //!
 //! 3. Build solids from <myFaces> using BOPAlgo_BuilderSolid algorithm;
 //!
-//! 4. Treat the result: Eliminate solid containig faces from <mySBox>;
+//! 4. Treat the result: Eliminate solid containing faces from <mySBox>;
 //!
 //! 5. Fill internal shapes: add internal vertices and edges into
 //! created solids;
@@ -115,11 +115,11 @@ public:
 
   
 
-  //! Empty contructor.
+  //! Empty constructor.
   BOPAlgo_MakerVolume();
   virtual ~BOPAlgo_MakerVolume();
 
-  //! Empty contructor.
+  //! Empty constructor.
   BOPAlgo_MakerVolume(const Handle(NCollection_BaseAllocator)& theAllocator);
 
   //! Clears the data.

src/BOPAlgo/BOPAlgo_WireSplitter_1.cxx

@@ -239,9 +239,10 @@ void BOPAlgo_WireSplitter::SplitBlock(const TopoDS_Face& myFace,
     }
   }
   //
-  // Each vertex has one edge In and one - Out. Good. But it is not enought
+  // Each vertex has one edge In and one - Out. Good.
-  // to consider that nothing to do with this. We must check edges on TShape
+  // But it is not enough to consider that nothing to do with this.
-  // coinsidence. If there are such edges there is something to do with.
+  // We must check edges on TShape coincidence.
+  // If there are such edges there is something to do with.
   if (bNothingToDo) {
     Standard_Integer aNbE, aNbMapEE;
     Standard_Boolean bFlag;
@@ -1085,4 +1086,4 @@ Standard_Boolean RefineAngle2D(const TopoDS_Vertex& aV,
     }
   }// for (i=0; i<2; ++i) {
   return !bRet;
-}
+}

src/BOPDS/BOPDS_CommonBlock.hxx

@@ -45,12 +45,12 @@ public:
 
   
 
-  //! Empty contructor
+  //! Empty constructor
   Standard_EXPORT BOPDS_CommonBlock();
   
 
-  //! Contructor
+  //! Constructor
-  //! <theAllocator> - the allocator to manage the memory
+  //! @param theAllocator the allocator to manage the memory
   Standard_EXPORT BOPDS_CommonBlock(const Handle(NCollection_BaseAllocator)& theAllocator);
   
 

src/BOPDS/BOPDS_Curve.hxx

@@ -41,14 +41,15 @@ public:
 
   
 
-  //! Empty contructor
+  //! Empty constructor
-    BOPDS_Curve();
+  BOPDS_Curve();
-virtual ~BOPDS_Curve();
+
+  virtual ~BOPDS_Curve();
   
 
-  //! Contructor
+  //! Constructor
-  //! <theAllocator> - the allocator to manage the memory
+  //! @param theAllocator the allocator to manage the memory
-    BOPDS_Curve(const Handle(NCollection_BaseAllocator)& theAllocator);
+  BOPDS_Curve(const Handle(NCollection_BaseAllocator)& theAllocator);
   
 
   //! Modifier

src/BOPDS/BOPDS_DS.hxx

@@ -86,13 +86,13 @@ public:
 
   
 
-  //! Empty contructor
+  //! Empty constructor
   Standard_EXPORT BOPDS_DS();
-Standard_EXPORT virtual ~BOPDS_DS();
-  
 
-  //! Contructor
+  Standard_EXPORT virtual ~BOPDS_DS();
-  //! theAllocator - the allocator to manage the memory
+
+  //! Constructor
+  //! @param theAllocator the allocator to manage the memory
   Standard_EXPORT BOPDS_DS(const Handle(NCollection_BaseAllocator)& theAllocator);
   
 

src/BOPDS/BOPDS_FaceInfo.hxx

@@ -39,14 +39,14 @@ public:
 
   
 
-  //! Empty contructor
+  //! Empty constructor
-    BOPDS_FaceInfo();
+  BOPDS_FaceInfo();
-virtual ~BOPDS_FaceInfo();
-  
 
-  //! Contructor
+  virtual ~BOPDS_FaceInfo();
-  //! theAllocator - the allocator to manage the memory
+
-    BOPDS_FaceInfo(const Handle(NCollection_BaseAllocator)& theAllocator);
+  //! Constructor
+  //! @param theAllocator the allocator to manage the memory
+  BOPDS_FaceInfo(const Handle(NCollection_BaseAllocator)& theAllocator);
   
 
   //! Clears the contents

src/BOPDS/BOPDS_IndexRange.hxx

@@ -34,7 +34,7 @@ public:
 
   
 
-  //! Empty contructor
+  //! Empty constructor
     BOPDS_IndexRange();
 
   //! Modifier

src/BOPDS/BOPDS_Iterator.hxx

@@ -46,12 +46,12 @@ public:
 
   DEFINE_STANDARD_ALLOC
 
-  //! Empty contructor
+  //! Empty constructor
   Standard_EXPORT BOPDS_Iterator();
   Standard_EXPORT virtual ~BOPDS_Iterator();
 
-  //! Contructor
+  //! Constructor
-  //! theAllocator - the allocator to manage the memory
+  //! @param theAllocator the allocator to manage the memory
   Standard_EXPORT BOPDS_Iterator(const Handle(NCollection_BaseAllocator)& theAllocator);
 
   //! Modifier

src/BOPDS/BOPDS_IteratorSI.hxx

@@ -42,13 +42,13 @@ public:
 
   
 
-  //! Empty contructor
+  //! Empty constructor
   Standard_EXPORT BOPDS_IteratorSI();
-Standard_EXPORT virtual ~BOPDS_IteratorSI();
-  
 
-  //! Contructor
+  Standard_EXPORT virtual ~BOPDS_IteratorSI();
-  //! theAllocator - the allocator to manage the memory
+
+  //! Constructor
+  //! @param theAllocator the allocator to manage the memory
   Standard_EXPORT BOPDS_IteratorSI(const Handle(NCollection_BaseAllocator)& theAllocator);
   
   //! Updates the lists of possible intersections

src/BOPDS/BOPDS_Pave.hxx

@@ -35,7 +35,7 @@ public:
 
   
 
-  //! Empty contructor
+  //! Empty constructor
     BOPDS_Pave();
 
   //! Modifier

src/BOPDS/BOPDS_PaveBlock.hxx

@@ -44,16 +44,12 @@ class BOPDS_PaveBlock : public Standard_Transient
 
 public:
 
-  
+  //! Empty constructor
-
-  //! Empty contructor
   Standard_EXPORT BOPDS_PaveBlock();
-  
 
-  //! Contructor
+  //! Constructor
-  //! <theAllocator> - the allocator to manage the memory
+  //! @param theAllocator the allocator to manage the memory
   Standard_EXPORT BOPDS_PaveBlock(const Handle(NCollection_BaseAllocator)& theAllocator);
-  
 
   //! Modifier
   //! Sets the first pave <thePave>

src/BOPDS/BOPDS_Point.hxx

@@ -37,7 +37,7 @@ public:
 
   
 
-  //! Empty contructor
+  //! Empty constructor
     BOPDS_Point();
 virtual ~BOPDS_Point();
   

src/BOPDS/BOPDS_ShapeInfo.hxx

@@ -36,16 +36,14 @@ public:
 
   DEFINE_STANDARD_ALLOC
 
-  
+  //! Empty constructor
+  BOPDS_ShapeInfo();
 
-  //! Empty contructor
+  virtual ~BOPDS_ShapeInfo();
-    BOPDS_ShapeInfo();
-virtual ~BOPDS_ShapeInfo();
-  
 
-  //! Contructor
+  //! Constructor
-  //! theAllocator - the allocator to manage the memory
+  //! @param theAllocator the allocator to manage the memory
-    BOPDS_ShapeInfo(const Handle(NCollection_BaseAllocator)& theAllocator);
+  BOPDS_ShapeInfo(const Handle(NCollection_BaseAllocator)& theAllocator);
   
 
   //! Modifier

src/BOPTools/BOPTools_AlgoTools2D.cxx

@@ -691,7 +691,7 @@ void BOPTools_AlgoTools2D::IsEdgeIsoline( const TopoDS_Edge& theE,
   if(aSqMagn <= gp::Resolution())
     return;
 
-  //Normalyze aT
+  //Normalize aT
   aT /= sqrt(aSqMagn);
 
   //sin(da) ~ da, when da->0.

src/BRep/BRep_TFace.hxx

@@ -36,7 +36,7 @@ DEFINE_STANDARD_HANDLE(BRep_TFace, TopoDS_TFace)
 //! The Tface from BRep  is  based  on the TFace  from
 //! TopoDS. The TFace contains :
 //!
-//! * A suface, a tolerance and a Location.
+//! * A surface, a tolerance and a Location.
 //!
 //! * A NaturalRestriction flag,   when this  flag  is
 //! True the  boundary of the  face is known to be the

src/BRepAdaptor/BRepAdaptor_CompCurve.cxx

@@ -116,7 +116,7 @@ BRepAdaptor_CompCurve::BRepAdaptor_CompCurve(const TopoDS_Wire& theWire,
     }
   }
 
-  Forward = Standard_True; // Defaut ; The Reverse Edges are parsed.
+  Forward = Standard_True; // Default ; The Reverse Edges are parsed.
   if((NbEdge > 2) || ((NbEdge==2) && (!myWire.Closed())) ) {
     TopAbs_Orientation Or = myCurves->Value(1).Edge().Orientation();
     TopoDS_Vertex VI, VL;

src/BRepAdaptor/BRepAdaptor_Curve.hxx

@@ -206,17 +206,15 @@ public:
   Standard_EXPORT Standard_Integer NbKnots() const Standard_OVERRIDE;
   
 
-  //! Warning :
+  //! Warning:
-  //! This  will    make a copy of the Bezier Curve
+  //! This will make a copy of the Bezier Curve since it applies to it myTsrf.
-  //! since it applies to it myTsrf . Be carefull when
+  //! Be careful when using this method.
-  //! using this method
   Standard_EXPORT Handle(Geom_BezierCurve) Bezier() const Standard_OVERRIDE;
   
 
-  //! Warning :
+  //! Warning:
-  //! This will   make a copy of the BSpline Curve
+  //! This will make a copy of the BSpline Curve since it applies to it myTsrf.
-  //! since it applies to it myTsrf . Be carefull when
+  //! Be careful when using this method.
-  //! using this method
   Standard_EXPORT Handle(Geom_BSplineCurve) BSpline() const Standard_OVERRIDE;
 
   Standard_EXPORT Handle(Geom_OffsetCurve) OffsetCurve() const Standard_OVERRIDE;

src/BRepAlgo/BRepAlgo.cxx

@@ -111,7 +111,7 @@ TopoDS_Wire  BRepAlgo::ConcatenateWire(const TopoDS_Wire& W,
 
       if(index==0){                                           //storage of the first edge features
         First0=First;
-        if(edge.Orientation()==TopAbs_REVERSED){             //(usefull for the closed wire) 
+        if(edge.Orientation()==TopAbs_REVERSED){             //(useful for the closed wire)
           Vfirst=TopExp::LastVertex(edge);
           tab(index)->Reverse();
         }

src/BRepAlgo/BRepAlgo_Tool.hxx

@@ -37,8 +37,8 @@ public:
   //! 1 - Remove all the free boundary  and the faces
   //! connex to such edges.
   //! 2 - Remove all the shapes not  valid in the result
-  //! (according to the side of offseting)
+  //! (according to the side of offsetting)
-  //! in this verion only the first point is implemented.
+  //! in this version only the first point is implemented.
   Standard_EXPORT static TopoDS_Shape Deboucle3D (const TopoDS_Shape& S, const TopTools_MapOfShape& Boundary);
 
 

src/BRepAlgoAPI/BRepAlgoAPI_Section.hxx

@@ -30,7 +30,7 @@ class Geom_Surface;
 
 
 
-//! The algorithm is to build a Secton operation between arguments and tools.
+//! The algorithm is to build a Section operation between arguments and tools.
 //! The result of Section operation consists of vertices and edges.
 //! The result of Section operation contains:
 //! 1. new vertices that are subjects of V/V, E/E, E/F, F/F interferences
@@ -56,7 +56,7 @@ Standard_EXPORT virtual ~BRepAlgoAPI_Section();
   //! <S1>  -argument
   //! <S2>  -tool
   //! <PerformNow> - the flag:
-  //! if <PerformNow>=True - the algorithm is performed immediatly
+  //! if <PerformNow>=True - the algorithm is performed immediately
   //! Obsolete
   Standard_EXPORT BRepAlgoAPI_Section(const TopoDS_Shape& S1, const TopoDS_Shape& S2, const Standard_Boolean PerformNow = Standard_True);
   
@@ -65,7 +65,7 @@ Standard_EXPORT virtual ~BRepAlgoAPI_Section();
   //! <S2>  -tool
   //! <PF> - PaveFiller object that is carried out
   //! <PerformNow> - the flag:
-  //! if <PerformNow>=True - the algorithm is performed immediatly
+  //! if <PerformNow>=True - the algorithm is performed immediately
   //! Obsolete
   Standard_EXPORT BRepAlgoAPI_Section(const TopoDS_Shape& S1, const TopoDS_Shape& S2, const BOPAlgo_PaveFiller& aDSF, const Standard_Boolean PerformNow = Standard_True);
   
@@ -73,7 +73,7 @@ Standard_EXPORT virtual ~BRepAlgoAPI_Section();
   //! <S1>  - argument
   //! <Pl>  - tool
   //! <PerformNow> - the flag:
-  //! if <PerformNow>=True - the algorithm is performed immediatly
+  //! if <PerformNow>=True - the algorithm is performed immediately
   //! Obsolete
   Standard_EXPORT BRepAlgoAPI_Section(const TopoDS_Shape& S1, const gp_Pln& Pl, const Standard_Boolean PerformNow = Standard_True);
   
@@ -81,7 +81,7 @@ Standard_EXPORT virtual ~BRepAlgoAPI_Section();
   //! <S1>  - argument
   //! <Sf>  - tool
   //! <PerformNow> - the flag:
-  //! if <PerformNow>=True - the algorithm is performed immediatly
+  //! if <PerformNow>=True - the algorithm is performed immediately
   //! Obsolete
   Standard_EXPORT BRepAlgoAPI_Section(const TopoDS_Shape& S1, const Handle(Geom_Surface)& Sf, const Standard_Boolean PerformNow = Standard_True);
   
@@ -89,7 +89,7 @@ Standard_EXPORT virtual ~BRepAlgoAPI_Section();
   //! <Sf>  - argument
   //! <S2>  - tool
   //! <PerformNow> - the flag:
-  //! if <PerformNow>=True - the algorithm is performed immediatly
+  //! if <PerformNow>=True - the algorithm is performed immediately
   //! Obsolete
   Standard_EXPORT BRepAlgoAPI_Section(const Handle(Geom_Surface)& Sf, const TopoDS_Shape& S2, const Standard_Boolean PerformNow = Standard_True);
   
@@ -97,7 +97,7 @@ Standard_EXPORT virtual ~BRepAlgoAPI_Section();
   //! <Sf1>  - argument
   //! <Sf2>  - tool
   //! <PerformNow> - the flag:
-  //! if <PerformNow>=True - the algorithm is performed immediatly
+  //! if <PerformNow>=True - the algorithm is performed immediately
   //! Obsolete
   Standard_EXPORT BRepAlgoAPI_Section(const Handle(Geom_Surface)& Sf1, const Handle(Geom_Surface)& Sf2, const Standard_Boolean PerformNow = Standard_True);
   

src/BRepApprox/BRepApprox_BSpParLeastSquareOfMyBSplGradientOfTheComputeLineOfApprox.hxx

@@ -174,17 +174,17 @@ public:
 protected:
 
   
-  //! is used by the constuctors above.
+  //! is used by the constructors above.
   Standard_EXPORT void Init (const BRepApprox_TheMultiLineOfApprox& SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint);
   
   //! returns the number of second member columns.
   //! Is used internally to initialize the fields.
   Standard_EXPORT Standard_Integer NbBColumns (const BRepApprox_TheMultiLineOfApprox& SSP) const;
   
-  //! returns the first point beeing fitted.
+  //! returns the first point being fitted.
   Standard_EXPORT Standard_Integer TheFirstPoint (const AppParCurves_Constraint FirstCons, const Standard_Integer FirstPoint) const;
   
-  //! returns the last point beeing fitted.
+  //! returns the last point being fitted.
   Standard_EXPORT Standard_Integer TheLastPoint (const AppParCurves_Constraint LastCons, const Standard_Integer LastPoint) const;
   
   //! Affects the fields in the case of a constraint point.

src/BRepApprox/BRepApprox_ParLeastSquareOfMyGradientOfTheComputeLineBezierOfApprox.hxx

@@ -174,17 +174,17 @@ public:
 protected:
 
   
-  //! is used by the constuctors above.
+  //! is used by the constructors above.
   Standard_EXPORT void Init (const BRepApprox_TheMultiLineOfApprox& SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint);
   
   //! returns the number of second member columns.
   //! Is used internally to initialize the fields.
   Standard_EXPORT Standard_Integer NbBColumns (const BRepApprox_TheMultiLineOfApprox& SSP) const;
   
-  //! returns the first point beeing fitted.
+  //! returns the first point being fitted.
   Standard_EXPORT Standard_Integer TheFirstPoint (const AppParCurves_Constraint FirstCons, const Standard_Integer FirstPoint) const;
   
-  //! returns the last point beeing fitted.
+  //! returns the last point being fitted.
   Standard_EXPORT Standard_Integer TheLastPoint (const AppParCurves_Constraint LastCons, const Standard_Integer LastPoint) const;
   
   //! Affects the fields in the case of a constraint point.

src/BRepApprox/BRepApprox_ParLeastSquareOfMyGradientbisOfTheComputeLineOfApprox.hxx

@@ -174,17 +174,17 @@ public:
 protected:
 
   
-  //! is used by the constuctors above.
+  //! is used by the constructors above.
   Standard_EXPORT void Init (const BRepApprox_TheMultiLineOfApprox& SSP, const Standard_Integer FirstPoint, const Standard_Integer LastPoint);
   
   //! returns the number of second member columns.
   //! Is used internally to initialize the fields.
   Standard_EXPORT Standard_Integer NbBColumns (const BRepApprox_TheMultiLineOfApprox& SSP) const;
   
-  //! returns the first point beeing fitted.
+  //! returns the first point being fitted.
   Standard_EXPORT Standard_Integer TheFirstPoint (const AppParCurves_Constraint FirstCons, const Standard_Integer FirstPoint) const;
   
-  //! returns the last point beeing fitted.
+  //! returns the last point being fitted.
   Standard_EXPORT Standard_Integer TheLastPoint (const AppParCurves_Constraint LastCons, const Standard_Integer LastPoint) const;
   
   //! Affects the fields in the case of a constraint point.

src/BRepBlend/BRepBlend_AppFuncRoot.hxx

@@ -112,17 +112,17 @@ public:
   Standard_EXPORT virtual void SetTolerance (const Standard_Real Tol3d, const Standard_Real Tol2d) Standard_OVERRIDE;
   
   //! Get    the   barycentre of   Surface.   An   very  poor
-  //! estimation is sufficent. This information is usefull
+  //! estimation is sufficient. This information is useful
   //! to perform well conditioned rational approximation.
   Standard_EXPORT virtual gp_Pnt BarycentreOfSurf() const Standard_OVERRIDE;
   
   //! Returns the   length of the maximum section. This
-  //! information is usefull to perform well conditioned rational
+  //! information is useful to perform well conditioned rational
   //! approximation.
   Standard_EXPORT virtual Standard_Real MaximalSection() const Standard_OVERRIDE;
   
   //! Compute the minimal value of weight for each poles
-  //! of all  sections.  This information is  usefull to
+  //! of all  sections.  This information is  useful to
   //! perform well conditioned rational approximation.
   Standard_EXPORT virtual void GetMinimalWeight (TColStd_Array1OfReal& Weigths) const Standard_OVERRIDE;
   

src/BRepBlend/BRepBlend_AppSurface.hxx

@@ -50,7 +50,7 @@ public:
   //! Approximation     of   the   new  Surface  (and
   //! eventually the  2d    Curves   on the   support
   //! surfaces).
-  //! Normaly     the  2d    curve are
+  //! Normally     the  2d    curve are
   //! approximated  with an  tolerance   given  by   the
   //! resolution on   support surfaces,  but  if this
   //! tolerance is too large Tol2d  is used.
@@ -78,7 +78,7 @@ public:
   
     const TColStd_Array1OfInteger& SurfVMults() const;
   
-  //! returns the maximum error in the suface approximation.
+  //! returns the maximum error in the surface approximation.
   Standard_EXPORT Standard_Real MaxErrorOnSurf() const;
   
     Standard_Integer NbCurves2d() const;
@@ -102,7 +102,7 @@ public:
   
   Standard_EXPORT Standard_Real TolCurveOnSurf (const Standard_Integer Index) const;
   
-  //! diplay information on approximation.
+  //! display information on approximation.
   Standard_EXPORT void Dump (Standard_OStream& o) const;
 
 

src/BRepBlend/BRepBlend_SurfRstEvolRad.cxx

@@ -112,7 +112,7 @@ static void FusionneIntervalles(const TColStd_Array1OfReal& I1,
 
 //=======================================================================
 //function : BRepBlend_SurfRstEvolRad
-//purpose  : Contructor
+//purpose  : Constructor
 //=======================================================================
 BRepBlend_SurfRstEvolRad::BRepBlend_SurfRstEvolRad
 (const Handle(Adaptor3d_Surface)& Surf,

src/BRepBuilderAPI/BRepBuilderAPI_MakeFace.hxx

@@ -72,7 +72,7 @@ public:
   //! Not done.
   Standard_EXPORT BRepBuilderAPI_MakeFace();
   
-  //! Load a face. Usefull to add wires.
+  //! Load a face. useful to add wires.
   Standard_EXPORT BRepBuilderAPI_MakeFace(const TopoDS_Face& F);
   
   //! Make a face from a plane.

src/BRepBuilderAPI/BRepBuilderAPI_MakeSolid.hxx

@@ -79,7 +79,7 @@ public:
   //! these previous ones. Each must bound a closed volume.
   Standard_EXPORT BRepBuilderAPI_MakeSolid(const TopoDS_Shell& S1, const TopoDS_Shell& S2, const TopoDS_Shell& S3);
   
-  //! Make a solid from a solid. Usefull for adding later.
+  //! Make a solid from a solid. useful for adding later.
   Standard_EXPORT BRepBuilderAPI_MakeSolid(const TopoDS_Solid& So);
   
   //! Add a shell to a solid.

src/BRepBuilderAPI/BRepBuilderAPI_MakeWire.hxx

@@ -112,7 +112,7 @@ public:
   //! will raise an error, until a new connectable edge is added.
   Standard_EXPORT BRepBuilderAPI_MakeWire(const TopoDS_Edge& E1, const TopoDS_Edge& E2, const TopoDS_Edge& E3, const TopoDS_Edge& E4);
   
-  //! Make a Wire from a Wire. Usefull for adding later.
+  //! Make a Wire from a Wire. useful for adding later.
   Standard_EXPORT BRepBuilderAPI_MakeWire(const TopoDS_Wire& W);
   
   //! Add an edge to a wire.

src/BRepBuilderAPI/BRepBuilderAPI_Sewing.cxx

@@ -3518,7 +3518,7 @@ Standard_Boolean BRepBuilderAPI_Sewing::MergedNearestEdges(const TopoDS_Shape& e
     }
   }
 
-  // Find all possible contigous edges
+  // Find all possible contiguous edges
   TopTools_SequenceOfShape seqEdges;
   seqEdges.Append(edge);
   TopTools_MapOfShape mapEdges;
@@ -3977,7 +3977,7 @@ static TopoDS_Edge DegeneratedSection(const TopoDS_Shape& section, const TopoDS_
 //           . if multiple edge
 //              - length < 100.*myTolerance -> several free edge
 //           . if no multiple edge
-//              - make the contigous edges sameparameter
+//              - make the contiguous edges sameparameter
 //=======================================================================
 
 void BRepBuilderAPI_Sewing::EdgeProcessing(const Message_ProgressRange& theProgress)

src/BRepBuilderAPI/BRepBuilderAPI_Sewing.hxx

@@ -60,10 +60,10 @@ DEFINE_STANDARD_HANDLE(BRepBuilderAPI_Sewing, Standard_Transient)
 
 //! Provides methods to
 //!
-//! - identify possible contigous boundaries (for control
+//! - identify possible contiguous boundaries (for control
 //! afterwards (of continuity: C0, C1, ...))
 //!
-//! - assemble contigous shapes into one shape.
+//! - assemble contiguous shapes into one shape.
 //! Only manifold shapes will be found. Sewing will not
 //! be done in case of multiple edges.
 //!
@@ -131,13 +131,13 @@ public:
   //! Gives each multiple edge
   Standard_EXPORT const TopoDS_Edge& MultipleEdge (const Standard_Integer index) const;
   
-  //! Gives the number of contigous edges (edge shared by two faces)
+  //! Gives the number of contiguous edges (edge shared by two faces)
   Standard_EXPORT Standard_Integer NbContigousEdges() const;
   
-  //! Gives each contigous edge
+  //! Gives each contiguous edge
   Standard_EXPORT const TopoDS_Edge& ContigousEdge (const Standard_Integer index) const;
   
-  //! Gives the sections (edge) belonging to a contigous edge
+  //! Gives the sections (edge) belonging to a contiguous edge
   Standard_EXPORT const TopTools_ListOfShape& ContigousEdgeCouple (const Standard_Integer index) const;
   
   //! Indicates if a section is bound (before use SectionToBoundary)

src/BRepCheck/BRepCheck_Wire.cxx

@@ -326,7 +326,7 @@ BRepCheck_Status BRepCheck_Wire::Closed(const Standard_Boolean Update)
     return myCstat;
   }
 
-  // Checks the number of occurence of an edge : maximum 2, and in this 
+  // Checks the number of occurrence of an edge : maximum 2, and in this
   // case, one time FORWARD and one time REVERSED
 
   Standard_Boolean yabug = Standard_False;

src/BRepCheck/BRepCheck_Wire.hxx

@@ -64,7 +64,7 @@ public:
   //! **BRepCheck_NotConnected,   if    wire    is   not
   //! topologically closed
   //! **BRepCheck_RedundantEdge, if an  edge  is in wire
-  //! more than 3 times  or  in  case of 2 occurences if
+  //! more than 3 times  or  in  case of 2 occurrences if
   //! not with FORWARD and REVERSED orientation.
   //! **BRepCheck_NoError
   Standard_EXPORT BRepCheck_Status Closed (const Standard_Boolean Update = Standard_False);

src/BRepClass3d/BRepClass3d_Intersector3d.hxx

@@ -84,7 +84,7 @@ public:
   //! The values can be either TopAbs_IN
   //! ( the point is in the face)
   //! or TopAbs_ON
-  //! ( the point is on a boudary of the face).
+  //! ( the point is on a boundary of the face).
     TopAbs_State State() const;
   
   //! Returns the significant face used to determine

src/BRepExtrema/BRepExtrema_OverlapTool.hxx

@@ -39,7 +39,7 @@ class BRepExtrema_OverlapTool : public BVH_PairTraverse <Standard_Real, 3>
 {
 public:
 
-  //! Creates new unitialized overlap tool.
+  //! Creates new uninitialized overlap tool.
   BRepExtrema_OverlapTool();
 
   //! Creates new overlap tool for the given element sets.

src/BRepExtrema/BRepExtrema_SelfIntersection.hxx

@@ -35,7 +35,7 @@ class BRepExtrema_SelfIntersection : public BRepExtrema_ElementFilter
 
 public:
 
-  //! Creates unitialized self-intersection tool.
+  //! Creates uninitialized self-intersection tool.
   Standard_EXPORT BRepExtrema_SelfIntersection (const Standard_Real theTolerance = 0.0);
 
   //! Creates self-intersection tool for the given shape.

src/BRepFeat/BRepFeat_Builder.hxx

@@ -60,10 +60,10 @@ Standard_EXPORT virtual ~BRepFeat_Builder();
   //! Clears internal fields and arguments.
   Standard_EXPORT virtual void Clear() Standard_OVERRIDE;
   
-  //! Initialyzes the object of local boolean operation.
+  //! Initializes the object of local boolean operation.
   Standard_EXPORT void Init (const TopoDS_Shape& theShape);
   
-  //! Initialyzes the arguments of local boolean operation.
+  //! Initializes the arguments of local boolean operation.
   Standard_EXPORT void Init (const TopoDS_Shape& theShape, const TopoDS_Shape& theTool);
   
   //! Sets the operation of local boolean operation.
@@ -80,7 +80,7 @@ Standard_EXPORT virtual ~BRepFeat_Builder();
   //! Collects parts of the tool.
   Standard_EXPORT void PartsOfTool (TopTools_ListOfShape& theLT);
   
-  //! Initialyzes parts of the tool for second step of algorithm.
+  //! Initializes parts of the tool for second step of algorithm.
   //! Collects shapes and all sub-shapes into myShapes map.
   Standard_EXPORT void KeepParts (const TopTools_ListOfShape& theIm);
   

src/BRepFeat/BRepFeat_RibSlot.cxx

@@ -1300,7 +1300,7 @@ Standard_Boolean BRepFeat_RibSlot::SlidingProfile(TopoDS_Face& Prof,
       Standard_Real par1 = ElCLib::Parameter(ln1->Lin(), myFirstPnt);
       Standard_Real par2 = ElCLib::Parameter(ln2->Lin(), myLastPnt);
       if(par1 >= myTol  ||  par2 >= myTol)  {
-        Concavite = 2;    //paralel and concave
+        Concavite = 2;    //parallel and concave
         BRepLib_MakeEdge e1(myLastPnt, myFirstPnt);
         WW.Add(e1);
       } 

src/BRepFill/BRepFill.cxx

@@ -1017,7 +1017,7 @@ TopoDS_Wire BRepFill::InsertACR(const TopoDS_Wire& wire,
       TColStd_SequenceOfReal SR;
       SR.Clear();
       // the wire is always FORWARD
-      // it is necesary to modify the parameter of cut6 if the edge is REVERSED
+      // it is necessary to modify the parameter of cut6 if the edge is REVERSED
       if (E.Orientation() == TopAbs_FORWARD) {
 	for (j=1; j<=ndec; j++) SR.Append(paradec(j));
       }

src/BRepFill/BRepFill_CompatibleWires.cxx

@@ -1372,7 +1372,7 @@ void BRepFill_CompatibleWires::SameNumberByACR(const  Standard_Boolean  report)
 	dec2(k) = dec(k);
       }
       
-      //Check of cuts: are all the new edges long enouph or not
+      //Check of cuts: are all the new edges long enough or not
       TColStd_MapOfInteger CutsToRemove;
       for (k = 1; k <= nbdec; k++)
       {

src/BRepFill/BRepFill_Evolved.cxx

@@ -1084,7 +1084,7 @@ void BRepFill_Evolved::ElementaryPerform (const TopoDS_Face&              Sp,
         // Find if one of two faces connected to the edge
         // belongs to volevo. The edges on this face serve
         // to eliminate certain vertices that can appear twice
-        // on the parallel edge. These Vertices corespond to the
+        // on the parallel edge. These Vertices correspond to the
         // nodes of the map.
         //---------------------------------------------------------
         TopoDS_Shape     FaceControle;

src/BRepFill/BRepFill_LocationLaw.hxx

@@ -106,14 +106,13 @@ public:
   //! 0  : It is connex (G0)
   //! 1  : It is tangent (G1)
   Standard_EXPORT Standard_Integer IsG1 (const Standard_Integer Index, const Standard_Real SpatialTolerance = 1.0e-7, const Standard_Real AngularTolerance = 1.0e-4) const;
-  
+
-  //! Apply the Law to a shape, for a given Curnilinear abscissa
+  //! Apply the Law to a shape, for a given Curvilinear abscissa
   Standard_EXPORT void D0 (const Standard_Real Abscissa, TopoDS_Shape& Section);
-  
+
-  //! Find the  index Law  and the  parmaeter, for  a given
+  //! Find the index Law and the parameter, for a given Curvilinear abscissa
-  //! Curnilinear abscissa
   Standard_EXPORT void Parameter (const Standard_Real Abscissa, Standard_Integer& Index, Standard_Real& Param);
-  
+
   //! Return the curvilinear abscissa  corresponding to a point
   //! of  the path, defined by  <Index>  of  Edge and a
   //! parameter on the edge.

src/BRepFill/BRepFill_NSections.hxx

@@ -57,7 +57,7 @@ public:
   //! Say if the Law is  Constant.
   Standard_EXPORT virtual Standard_Boolean IsConstant() const Standard_OVERRIDE;
   
-  //! Give the law build on a concatened section
+  //! Give the law build on a concatenated section
   Standard_EXPORT virtual Handle(GeomFill_SectionLaw) ConcatenedLaw() const Standard_OVERRIDE;
   
   Standard_EXPORT virtual GeomAbs_Shape Continuity (const Standard_Integer Index, const Standard_Real TolAngular) const Standard_OVERRIDE;

src/BRepFill/BRepFill_OffsetWire.hxx

@@ -67,7 +67,7 @@ public:
   
   Standard_EXPORT BRepFill_OffsetWire(const TopoDS_Face& Spine, const GeomAbs_JoinType Join = GeomAbs_Arc, const Standard_Boolean IsOpenResult = Standard_False);
   
-  //! Initialize the evaluation of Offseting.
+  //! Initialize the evaluation of Offsetting.
   Standard_EXPORT void Init (const TopoDS_Face& Spine, const GeomAbs_JoinType Join = GeomAbs_Arc, const Standard_Boolean IsOpenResult = Standard_False);
   
   //! Performs  an OffsetWire at  an altitude <Alt> from

src/BRepFill/BRepFill_PipeShell.hxx

@@ -125,18 +125,14 @@ public:
   //! Possibilities are :
   //! - Give one or sevral profile
   //! - Give one profile and an homotetic law.
-  //! - Automatic compute of correspondance between profile, and section
+  //! - Automatic compute of correspondence between profile, and section on the sweeped shape
-  //! on the sweeped shape
+  //! - correspondence between profile, and section on the sweeped shape defined by a vertex of the spine
-  //! - correspondance between profile, and section on the sweeped shape
-  //! defined by a vertex of the spine
   Standard_EXPORT void SetForceApproxC1 (const Standard_Boolean ForceApproxC1);
-  
+
-  //! Set an section. The corespondance with the spine, will
+  //! Set an section. The correspondence with the spine, will be automaticaly performed.
-  //! be automaticaly performed.
   Standard_EXPORT void Add (const TopoDS_Shape& Profile, const Standard_Boolean WithContact = Standard_False, const Standard_Boolean WithCorrection = Standard_False);
-  
+
-  //! Set an section.   The corespondance with the spine, is
+  //! Set an section. The correspondence with the spine, is given by Location.
-  //! given by  <Location>
   Standard_EXPORT void Add (const TopoDS_Shape& Profile, const TopoDS_Vertex& Location, const Standard_Boolean WithContact = Standard_False, const Standard_Boolean WithCorrection = Standard_False);
   
   //! Set  an    section  and  an   homotetic    law.

src/BRepFill/BRepFill_ShapeLaw.hxx

@@ -60,7 +60,7 @@ public:
   //! Say if the Law is  Constant.
   Standard_EXPORT virtual Standard_Boolean IsConstant() const Standard_OVERRIDE;
   
-  //! Give the law build on a concaneted section
+  //! Give the law build on a concatenated section
   Standard_EXPORT virtual Handle(GeomFill_SectionLaw) ConcatenedLaw() const Standard_OVERRIDE;
   
   Standard_EXPORT virtual GeomAbs_Shape Continuity (const Standard_Integer Index, const Standard_Real TolAngular) const Standard_OVERRIDE;

src/BRepFill/BRepFill_Sweep.cxx

@@ -2758,7 +2758,7 @@ BRepFill_Sweep::BRepFill_Sweep(const Handle(BRepFill_SectionLaw)& Section,
     }
   }
 
-  // (3.1) Reverse the faces that have been built ealier
+  // (3.1) Reverse the faces that have been built earlier
   for (ipath = 1; ipath <= NbPath; ipath++)
     for (isec = 1; isec <= NbLaw; isec++)
       if (IsBuilt(isec))

src/BRepFill/BRepFill_Sweep.hxx

@@ -61,7 +61,7 @@ public:
   //! Set Approximation Tolerance
   //! Tol3d : Tolerance to surface approximation
   //! Tol2d : Tolerance used to perform curve approximation
-  //! Normaly the 2d curve are approximated with a
+  //! Normally the 2d curve are approximated with a
   //! tolerance given by the resolution on support surfaces,
   //! but if this tolerance is too large Tol2d is used.
   //! TolAngular : Tolerance (in radian) to control the angle

src/BRepFilletAPI/BRepFilletAPI_MakeChamfer.hxx

@@ -136,7 +136,7 @@ public:
   //! Sets the mode of chamfer
   Standard_EXPORT void SetMode (const ChFiDS_ChamfMode theMode);
   
-  //! return True if chamfer symetric false else.
+  //! return True if chamfer symmetric false else.
   Standard_EXPORT Standard_Boolean IsSymetric (const Standard_Integer IC) const;
   
   //! return True if chamfer is made with two distances false else.

src/BRepFilletAPI/BRepFilletAPI_MakeFillet2d.hxx

@@ -91,14 +91,12 @@ public:
   //! -   ChFi2d_NotPlanar if F is not planar,
   //! -   ChFi2d_NoFace if F is a null face.
   Standard_EXPORT void Init (const TopoDS_Face& F);
-  
+
-  //! This initialize  method allow  to init the builder
+  //! This initialize method allow to init the builder
-  //! from a  face <RefFace> and  another face <ModFace>
+  //! from a face RefFace and another face ModFace which derive from RefFace.
-  //! which derive from  <RefFace>.  This  is usefull to
+  //! This  is useful to modify a fillet or a chamfer already created on ModFace.
-  //! modify a fillet or   a chamfer already created  on
-  //! <ModFace> .
   Standard_EXPORT void Init (const TopoDS_Face& RefFace, const TopoDS_Face& ModFace);
-  
+
   //! Adds a fillet of radius Radius between the two edges
   //! adjacent to the vertex V on the face modified by this
   //! algorithm. The two edges do not need to be rectilinear.

src/BRepGProp/BRepGProp_Cinert.hxx

@@ -32,7 +32,7 @@ class gp_Pnt;
 //! It can be a curve as defined in the template CurveTool from
 //! package GProp. This template gives the minimum of methods
 //! required to evaluate the global properties of a curve 3D with
-//! the algorithmes of GProp.
+//! the algorithms of GProp.
 class BRepGProp_Cinert  : public GProp_GProps
 {
 public:

src/BRepLProp/BRepLProp.hxx

@@ -46,8 +46,7 @@ public:
   //! tolerance used two compare the derivative.
   Standard_EXPORT static GeomAbs_Shape Continuity (const BRepAdaptor_Curve& C1, const BRepAdaptor_Curve& C2, const Standard_Real u1, const Standard_Real u2, const Standard_Real tl, const Standard_Real ta);
   
-  //! The  same  as  preciding   but   using  the   standard
+  //! The same as preceding but using the standard tolerances from package Precision.
-  //! tolerances from package Precision.
   Standard_EXPORT static GeomAbs_Shape Continuity (const BRepAdaptor_Curve& C1, const BRepAdaptor_Curve& C2, const Standard_Real u1, const Standard_Real u2);
 
 

src/BRepLib/BRepLib.hxx

@@ -137,9 +137,9 @@ public:
   //! -- -- MaxToleranceToCheck  if  so it will compute  the
   //! radius    of  -- the   cylindrical  pipe  surface that
   //! MinToleranceRequest is the minimum tolerance before it
-  //! is usefull to start testing. Usually it should be arround
+  //! is useful to start testing.
-  //! 10e-5
+  //! Usually it should be arround 10e-5
-  //! contains all  --  the curve represenation of  the edge
+  //! contains all -- the curve representation of the edge
   //! returns True if the Edge tolerance had to be updated
   Standard_EXPORT static Standard_Boolean UpdateEdgeTol (const TopoDS_Edge& E, const Standard_Real MinToleranceRequest, const Standard_Real MaxToleranceToCheck);
   
@@ -147,8 +147,8 @@ public:
   //! Tolerance  is  smaller than  MaxToleranceToCheck --
   //! Returns True if at  least  one edge was updated --
   //! MinToleranceRequest is the minimum tolerance before
-  //! --  it -- is  usefull to start  testing. Usually it
+  //! --  it -- is  useful to start  testing.
-  //! should be arround -- 10e-5--
+  //! Usually it should be arround -- 10e-5--
   //!
   //! Warning :The  method is  very  slow  as it  checks all.
   //! Use  only  in interfaces or  processing assimilate batch

src/BRepLib/BRepLib_CheckCurveOnSurface.hxx

@@ -26,10 +26,10 @@ public:
 
   DEFINE_STANDARD_ALLOC
 
-  //! Default contructor
+  //! Default constructor
   BRepLib_CheckCurveOnSurface() {}
   
-  //! Contructor
+  //! Constructor
   Standard_EXPORT BRepLib_CheckCurveOnSurface(const TopoDS_Edge& theEdge,
                                               const TopoDS_Face& theFace);
   

src/BRepLib/BRepLib_FuseEdges.cxx

@@ -594,9 +594,9 @@ void BRepLib_FuseEdges::Perform()
 //=======================================================================
 //function : BuildListConnexEdge
 //purpose  : giving one edge, build the list of connex edges which have
-// vertices that have only two connex edges. All the edges that are addes
+// vertices that have only two connex edges. All the edges that are added
 // to the list must be added also to the mapUniq, in order for the caller
-// to not treat again theses edges.
+// to not treat again these edges.
 // This list is always oriented in the "Forward" direction.
 //=======================================================================
 

src/BRepLib/BRepLib_MakeFace.hxx

@@ -72,7 +72,7 @@ public:
   //! Not done.
   Standard_EXPORT BRepLib_MakeFace();
   
-  //! Load a face. Usefull to add wires.
+  //! Load a face. Useful to add wires.
   Standard_EXPORT BRepLib_MakeFace(const TopoDS_Face& F);
   
   //! Make a face from a plane.

src/BRepLib/BRepLib_MakeSolid.hxx

@@ -54,7 +54,7 @@ public:
   //! Make a solid from three shells.
   Standard_EXPORT BRepLib_MakeSolid(const TopoDS_Shell& S1, const TopoDS_Shell& S2, const TopoDS_Shell& S3);
   
-  //! Make a solid from a solid. Usefull for adding later.
+  //! Make a solid from a solid. Useful for adding later.
   Standard_EXPORT BRepLib_MakeSolid(const TopoDS_Solid& So);
   
   //! Add a shell to a solid.

src/BRepLib/BRepLib_MakeWire.hxx

@@ -101,7 +101,7 @@ public:
   //! Make a Wire from four edges.
   Standard_EXPORT BRepLib_MakeWire(const TopoDS_Edge& E1, const TopoDS_Edge& E2, const TopoDS_Edge& E3, const TopoDS_Edge& E4);
   
-  //! Make a Wire from a Wire. Usefull for adding later.
+  //! Make a Wire from a Wire. Useful for adding later.
   Standard_EXPORT BRepLib_MakeWire(const TopoDS_Wire& W);
   
   //! Add an edge to a wire.

src/BRepMesh/BRepMesh_CircleInspector.hxx

@@ -23,7 +23,7 @@
 #include <gp_XYZ.hxx>
 #include <NCollection_CellFilter.hxx>
 
-//! Auxilary class to find circles shot by the given point.
+//! Auxiliary class to find circles shot by the given point.
 class BRepMesh_CircleInspector : public NCollection_CellFilter_InspectorXY
 {
 public:

src/BRepMesh/BRepMesh_CircleTool.hxx

@@ -83,7 +83,7 @@ public:
     myFaceMax = theMax;
   }
 
-  //! Retruns true if cell filter contains no circle.
+  //! Returns true if cell filter contains no circle.
   Standard_Boolean IsEmpty () const
   {
     return mySelector.Circles ().IsEmpty ();

src/BRepMesh/BRepMesh_Classifier.hxx

@@ -27,7 +27,7 @@
 class gp_Pnt2d;
 class CSLib_Class2d;
 
-//! Auxilary class intended for classification of points
+//! Auxiliary class intended for classification of points
 //! regarding internals of discrete face.
 class BRepMesh_Classifier : public Standard_Transient
 {

src/BRepMesh/BRepMesh_Context.hxx

@@ -18,7 +18,7 @@
 
 #include <IMeshTools_Context.hxx>
 
-//! Class implemeting default context of BRepMesh algorithm.
+//! Class implementing default context of BRepMesh algorithm.
 //! Initializes context by default algorithms.
 class BRepMesh_Context : public IMeshTools_Context
 {

src/BRepMesh/BRepMesh_CurveTessellator.hxx

@@ -70,7 +70,7 @@ private:
   //! Adds internal vertices to discrete polygon.
   void addInternalVertices ();
 
-  //Check deflection in 2d space for improvement of edge tesselation.
+  //Check deflection in 2d space for improvement of edge tessellation.
   void splitByDeflection2d ();
 
   void splitSegment (

src/BRepMesh/BRepMesh_DataStructureOfDelaun.hxx

@@ -162,9 +162,9 @@ public: //! @name API for accessing mesh links.
   Standard_EXPORT void RemoveLink(const Standard_Integer theIndex,
                                   const Standard_Boolean isForce = Standard_False);
 
-  //! Returns indices of elements conected to the link with the given index.
+  //! Returns indices of elements connected to the link with the given index.
   //! @param theLinkIndex index of link whose data should be retrieved.
-  //! @return indices of elements conected to the link.
+  //! @return indices of elements connected to the link.
   const BRepMesh_PairOfIndex& ElementsConnectedTo(
     const Standard_Integer theLinkIndex) const
   {
@@ -222,7 +222,7 @@ public: //! @name API for accessing mesh elements.
 
 
 
-public: //! @name Auxilary API
+public: //! @name Auxiliary API
 
   //! Dumps information about this structure.
   //! @param theStream stream to be used for dump.

src/BRepMesh/BRepMesh_Delaun.cxx

@@ -936,7 +936,7 @@ void BRepMesh_Delaun::frontierAdjust()
   cleanupMesh();
 
   // When the mesh has been cleaned up, try to process frontier edges 
-  // once again to fill the possible gaps that might be occured in case of "saw" -
+  // once again to fill the possible gaps that might be occurred in case of "saw" -
   // situation when frontier edge has a triangle at a right side, but its free 
   // links cross another frontieres  and meshLeftPolygonOf itself can't collect 
   // a closed polygon.
@@ -953,7 +953,7 @@ void BRepMesh_Delaun::frontierAdjust()
 
 //=======================================================================
 //function : fillBndBox
-//purpose  : Add boundig box for edge defined by start & end point to
+//purpose  : Add bounding box for edge defined by start & end point to
 //           the given vector of bounding boxes for triangulation edges
 //=======================================================================
 void BRepMesh_Delaun::fillBndBox(IMeshData::SequenceOfBndB2d& theBoxes,
@@ -1004,7 +1004,7 @@ Standard_Boolean BRepMesh_Delaun::meshLeftPolygonOf(
   if ( aRefLinkDir.SquareMagnitude() < Precision2 )
     return Standard_True;
 
-  // Auxilary structures.
+  // Auxiliary structures.
   // Bounding boxes of polygon links to be used for preliminary
   // analysis of intersections
   IMeshData::SequenceOfBndB2d aBoxes;
@@ -1096,7 +1096,7 @@ Standard_Boolean BRepMesh_Delaun::meshLeftPolygonOf(
 //           angle respect the given reference link.
 //           Each time the next link is found other neighbor links at the 
 //           pivot node are marked as leprous and will be excluded from 
-//           consideration next time until a hanging end is occured.
+//           consideration next time until a hanging end is occurred.
 //=======================================================================
 Standard_Integer BRepMesh_Delaun::findNextPolygonLink(
   const Standard_Integer&               theFirstNode,
@@ -1204,7 +1204,7 @@ Standard_Integer BRepMesh_Delaun::findNextPolygonLink(
 //=======================================================================
 //function : checkIntersection
 //purpose  : Check is the given link intersects the polygon boundaries.
-//           Returns bounding box for the given link trough the 
+//           Returns bounding box for the given link through the
 //           <theLinkBndBox> parameter.
 //=======================================================================
 Standard_Boolean BRepMesh_Delaun::checkIntersection( 
@@ -1454,7 +1454,7 @@ void BRepMesh_Delaun::killTrianglesAroundVertex(
       }
     }
 
-    // Add link to the survivers to avoid cycling
+    // Add link to the survivors to avoid cycling
     theSurvivedLinks.Add( aNeighborLinkId );
     killLinkTriangles( aNeighborLinkId, theLoopEdges );
   }
@@ -1760,7 +1760,7 @@ void BRepMesh_Delaun::meshPolygon(IMeshData::SequenceOfInteger&   thePolygon,
 
         // In this context only intersections between frontier edges
         // are possible. If intersection between edges of different
-        // types occured - treat this case as invalid (i.e. result 
+        // types occurred - treat this case as invalid (i.e. result 
         // might not reflect the expectations).
         if ( !theSkipped.IsNull() )
         {
@@ -1771,7 +1771,7 @@ void BRepMesh_Delaun::meshPolygon(IMeshData::SequenceOfInteger&   thePolygon,
       }
       else if ( aIntFlag == BRepMesh_GeomTool::PointOnSegment )
       {
-        // Indentify chopping link 
+        // Identify chopping link 
         Standard_Boolean isFirstChopping = Standard_False;
         Standard_Integer aCheckPointIt = 0;
         for ( ; aCheckPointIt < 2; ++aCheckPointIt )
@@ -2034,7 +2034,7 @@ void BRepMesh_Delaun::decomposeSimplePolygon(
       continue;
     }
 
-    // Check is the test link crosses the polygon boudaries
+    // Check is the test link crosses the polygon boundaries
     Standard_Boolean isIntersect = Standard_False;
     for ( Standard_Integer aRefLinkNodeIt = 0; aRefLinkNodeIt < 2; ++aRefLinkNodeIt )
     {

src/BRepMesh/BRepMesh_Delaun.hxx

@@ -176,7 +176,7 @@ private:
                         const Standard_Integer theCellsCountU,
                         const Standard_Integer theCellsCountV);
 
-  //! Add boundig box for edge defined by start & end point to
+  //! Add bounding box for edge defined by start & end point to
   //! the given vector of bounding boxes for triangulation edges.
   void fillBndBox (IMeshData::SequenceOfBndB2d&  theBoxes,
                    const BRepMesh_Vertex&        theV1,
@@ -212,7 +212,7 @@ private:
   //! angle respect the given reference link.
   //! Each time the next link is found other neighbor links at the pivot
   //! node are marked as leprous and will be excluded from consideration
-  //! next time until a hanging end is occured.
+  //! next time until a hanging end is occurred.
   Standard_Integer findNextPolygonLink (const Standard_Integer&               theFirstNode,
                                         const Standard_Integer&               thePivotNode,
                                         const BRepMesh_Vertex&                thePivotVertex,
@@ -228,7 +228,7 @@ private:
                                         Bnd_B2d&                              theNextLinkBndBox);
 
   //! Check is the given link intersects the polygon boundaries.
-  //! Returns bounding box for the given link trough the theLinkBndBox parameter.
+  //! Returns bounding box for the given link through the theLinkBndBox parameter.
   Standard_Boolean checkIntersection (const BRepMesh_Edge&                theLink,
                                       const IMeshData::SequenceOfInteger& thePolygon,
                                       const IMeshData::SequenceOfBndB2d&  thePolyBoxes,

src/BRepMesh/BRepMesh_Edge.hxx

@@ -57,7 +57,7 @@ public:
 
   //! Checks if the given edge and this one have the same orientation.
   //! @param theOther edge to be checked against this one.
-  //! \retrun TRUE if edges have the same orientation, FALSE if not.
+  //! \return TRUE if edges have the same orientation, FALSE if not.
   Standard_Boolean IsSameOrientation(const BRepMesh_Edge& theOther) const
   {
     return BRepMesh_OrientedEdge::IsEqual(theOther);

src/BRepMesh/BRepMesh_FaceChecker.hxx

@@ -25,7 +25,7 @@
 //! Auxiliary class checking wires of target face for self-intersections.
 //! Explodes wires of discrete face on sets of segments using tessellation 
 //! data stored in model. Each segment is then checked for intersection with
-//! other ones. All collisions are registerd and returned as result of check.
+//! other ones. All collisions are registered and returned as result of check.
 class BRepMesh_FaceChecker : public Standard_Transient
 {
 public: //! @name mesher API

src/BRepMesh/BRepMesh_GeomTool.cxx

@@ -505,7 +505,7 @@ Standard_Integer BRepMesh_GeomTool::classifyPoint(
   if (thePointToCheck.IsEqual(thePoint1, aPrec) || 
       thePointToCheck.IsEqual(thePoint2, aPrec))
   {
-    return -1; //coinsides with an end point
+    return -1; //coincides with an end point
   }
     
   return 1;

src/BRepMesh/BRepMesh_GeomTool.hxx

@@ -57,7 +57,7 @@ public:
   //! @param theLastParam last parameter of the curve.
   //! @param theLinDeflection linear deflection.
   //! @param theAngDeflection angular deflection.
-  //! @param theMinPointsNb minimum nuber of points to be produced.
+  //! @param theMinPointsNb minimum number of points to be produced.
   Standard_EXPORT BRepMesh_GeomTool(
     const BRepAdaptor_Curve& theCurve,
     const Standard_Real      theFirstParam,
@@ -77,7 +77,7 @@ public:
   //! @param theLastParam last parameter of the curve.
   //! @param theLinDeflection linear deflection.
   //! @param theAngDeflection angular deflection.
-  //! @param theMinPointsNb minimum nuber of points to be produced.
+  //! @param theMinPointsNb minimum number of points to be produced.
   Standard_EXPORT BRepMesh_GeomTool(
     const Handle(BRepAdaptor_Surface)& theSurface,
     const GeomAbs_IsoType               theIsoType,

src/BRepMesh/BRepMesh_IncrementalMesh.hxx

@@ -53,7 +53,7 @@ public: //! @name mesher API
                                            const IMeshTools_Parameters& theParameters,
                                            const Message_ProgressRange& theRange = Message_ProgressRange());
 
-  //! Performs meshing ot the shape.
+  //! Performs meshing of the shape.
   Standard_EXPORT virtual void Perform(const Message_ProgressRange& theRange = Message_ProgressRange()) Standard_OVERRIDE;
 
   //! Performs meshing using custom context;

src/BRepMesh/BRepMesh_MeshTool.hxx

@@ -151,7 +151,7 @@ public:
   Standard_EXPORT void CleanFrontierLinks();
 
   //! Erases the given set of triangles.
-  //! Fills map of loop edges forming the countour surrounding the erased triangles.
+  //! Fills map of loop edges forming the contour surrounding the erased triangles.
   void EraseTriangles(const IMeshData::MapOfInteger&  theTriangles,
                       IMeshData::MapOfIntegerInteger& theLoopEdges);
 

src/BRepMesh/BRepMesh_ModelBuilder.hxx

@@ -23,7 +23,7 @@
 //! Class implements interface representing tool for discrete model building.
 //! 
 //! The following statuses should be used by default:
-//! Message_Done1 - model has been sucessfully built.
+//! Message_Done1 - model has been successfully built.
 //! Message_Fail1 - empty shape.
 //! Message_Fail2 - model has not been build due to unexpected reason.
 class BRepMesh_ModelBuilder : public IMeshTools_ModelBuilder

src/BRepMesh/BRepMesh_ModelHealer.hxx

@@ -32,7 +32,7 @@
 //! tolerances of 3D space only. This means that there are no specific 
 //! computations are made for the sake of determination of U and V tolerance.
 //! Registers intersections on edges forming the face's shape and tries to
-//! amplify discrete represenation by decreasing of deflection for the target edge.
+//! amplify discrete representation by decreasing of deflection for the target edge.
 //! Checks can be performed in parallel mode.
 class BRepMesh_ModelHealer : public IMeshTools_ModelAlgo
 {
@@ -86,7 +86,7 @@ private:
 
   //! Connects pcurves of previous and current edge on the specified face 
   //! according to topological connectivity. Uses next edge in order to
-  //! identify closest point in case of signle vertex shared between both
+  //! identify closest point in case of single vertex shared between both
   //! ends of edge (degenerative edge)
   Standard_Boolean connectClosestPoints(
     const IMeshData::IPCurveHandle& thePrevDEdge,

src/BRepMesh/BRepMesh_ModelPreProcessor.cxx

@@ -172,7 +172,7 @@ namespace
       return aSteps.second;
     } 
 
-    //! Splits 3D and all pcurves accoring using the specified step.
+    //! Splits 3D and all pcurves accordingly using the specified step.
     Standard_Boolean splitEdge(const IMeshData::IEdgePtr& theDEdge,
                                const Standard_Real        theDU) const
     {

src/BRepMesh/BRepMesh_OrientedEdge.hxx

@@ -64,7 +64,7 @@ public:
 
   //! Checks this and other edge for equality.
   //! @param theOther edge to be checked against this one.
-  //! @retrun TRUE if edges have the same orientation, FALSE if not.
+  //! @return TRUE if edges have the same orientation, FALSE if not.
   Standard_Boolean IsEqual(const BRepMesh_OrientedEdge& theOther) const
   {
     return (myFirstNode == theOther.myFirstNode && myLastNode == theOther.myLastNode);

src/BRepMesh/BRepMesh_PairOfIndex.hxx

@@ -69,7 +69,7 @@ public:
     return (myIndex[0] < 0);
   }
 
-  //! Returns number of initialized indeces.
+  //! Returns number of initialized indices.
   Standard_Integer Extent() const
   {
     return (myIndex[0] < 0 ? 0 : (myIndex[1] < 0 ? 1 : 2));