Documentation - Fix various typos found in codebase #361

Found via `codespell -q 3 -S "*.fr" -L aadd,abnd,abord,acount,adn,afile,aline,alo,alocation,alog,als,anc,ane,anid,anormal,anout,ans,anumber,aother,aparent,apoints,aprogram,asender,asign,asnd,ba,bbuild,bloc,bord,bu,caf,cas,childrens,childs,classe,clen,commun,cylindre,don,dout,dum,ede,entites,fo,fonction,guid,hist,identic,ii,indx,inout,invalide,ist,iterm,llength,lod,mape,modeling,methode,mye,myu,nam,nd,nin,normale,normales,ons,parametre,parametres,periode,pres,reste,resul,secont,serie,shs,slin,som,somme,syntaxe,sur,te,thei,theis,ther,theres,thes,thev,thex,thet,tol,transfert,va,vas,verifie,vertexes,weight`

dox/user_guides/draw_test_harness/draw_test_harness.md

@@ -6480,7 +6480,7 @@ blend b b 2 .
 ==fleche : 0.001 
 ==tolblend 0.01 0.0001 1e-05 0.001 
 ==Pick an object 
-# click on the edge you want ot fillet 
+# click on the edge you want to fillet 
 
 ==COMPUTE: temps total 0.1s dont : 
 ==- Init + ExtentAnalyse 0s 

dox/user_guides/ocaf/ocaf.md

@@ -2782,7 +2782,7 @@ The *TObj* sources are distributed in the following packages:
 * **External links** -- references from one data structure to another data structure in another document. 
 To store these references properly, a label must also contain an external link attribute. 
 * **Father** -- a label, from which other labels have been created. The other labels are, by definition, the children of this label. 
-* **Framework** -- a group of co-operating classes which enable a design to be re-used for a given category of problem. The framework guides the architecture of the application by breaking it up into abstract  classes, each of which has different responsibilities and collaborates in a predefined way. Application developer creates a specialized framework by: 
+* **Framework** -- a group of co-operating classes which enable a design to be reused for a given category of problem. The framework guides the architecture of the application by breaking it up into abstract classes, each of which has different responsibilities and collaborates in a predefined way. Application developer creates a specialized framework by: 
   * defining new classes which inherit from these abstract classes
   * composing framework class instances
   * implementing the services required by the framework.

dox/user_guides/step/step.md

@@ -459,7 +459,7 @@ Boolean flag regulating translation of entities that define tessellated geometry
 * TRIANGULATED_FACE
 * COMPLEX_TRIANGULATED_FACE
 
-Tesselated geometry is attached to shapes as objects of <i>Poly_Triangulation</i> type using STEP links.
+Tessellated geometry is attached to shapes as objects of <i>Poly_Triangulation</i> type using STEP links.
 
 * 0 (Off) -- do not translate 
 * 1 (On) --  translate 
@@ -1020,7 +1020,7 @@ Boolean flag regulating writing of entities that define tessellated geometry:
 * TESSELLATED_SOLID
 * TRIANGULATED_FACE
 
-Tesselated geometry is taken as objects of <i>Poly_Triangulation type</i> from the active <i>TopoDS_Face</i> triangulation.
+Tessellated geometry is taken as objects of <i>Poly_Triangulation type</i> from the active <i>TopoDS_Face</i> triangulation.
 
 * 0 (Off) -- do not write 
 * 1 (On) --  write 

src/AdvApp2Var/AdvApp2Var_Context.cxx

@@ -18,7 +18,7 @@
 #include <AdvApp2Var_Context.hxx>
 #include <Standard_ConstructionError.hxx>
 
-// Calculaton of parameters
+// Calculation of parameters
 static Standard_Boolean lesparam(const Standard_Integer iordre,
                                  const Standard_Integer ncflim,
                                  const Standard_Integer icodeo,

src/AdvApp2Var/AdvApp2Var_CriterionType.hxx

@@ -17,8 +17,10 @@
 #ifndef _AdvApp2Var_CriterionType_HeaderFile
 #define _AdvApp2Var_CriterionType_HeaderFile
 
-//! influency of the criterion on cutting process//! cutting when criterion is not satisfied
+//! influence of the criterion on cutting process
-//! desactivation of the compute of the error max//! cutting when error max is not good or if error
+//! cutting when criterion is not satisfied
+//! deactivation of the compute of the error max
+//! cutting when error max is not good or if error
 //! max is good and criterion is not satisfied
 enum AdvApp2Var_CriterionType
 {

src/AdvApp2Var/AdvApp2Var_MathBase.cxx

@@ -5339,7 +5339,7 @@ int mmherm1_(doublereal* debfin,
 
   /*     INPUT ARGUMENTS : */
   /*     -------------------- */
-  /*       DEBFIN : PARAMETES DEFINING THE CONSTRAINTS */
+  /*       DEBFIN : PARAMETERS DEFINING THE CONSTRAINTS */
   /*                 DEBFIN(1) : FIRST PARAMETER */
   /*                 DEBFIN(2) : SECOND PARAMETER */
 

src/Approx/Approx_SweepApproximation.cxx

@@ -459,7 +459,7 @@ Standard_Boolean Approx_SweepApproximation::D0(const Standard_Real Param,
       AAffin->Value(ii).Transforms(myPoles2d->ChangeValue(ii).ChangeCoord());
     }
 
-    // Update variables of controle and return
+    // Update variables of control and return
     first   = First;
     last    = Last;
     myOrder = 0;

src/BRepBuilderAPI/BRepBuilderAPI_Sewing.cxx

@@ -4733,7 +4733,7 @@ void BRepBuilderAPI_Sewing::CreateOutputInformations()
     }
   }
 
-  // Fill maps of Free, Contigous and Multiple edges
+  // Fill maps of Free, Contiguous and Multiple edges
   TopTools_IndexedDataMapOfShapeListOfShape::Iterator anIter(edgeSections);
   for (; anIter.More(); anIter.Next())
   {

src/BRepGProp/BRepGProp_UFunction.cxx

@@ -154,7 +154,7 @@ Standard_Boolean BRepGProp_UFunction::CenterMassValue(const Standard_Real X, Sta
 
 //=======================================================================
 // function : InertiaValue
-// purpose  : Compute the value of intertia.
+// purpose  : Compute the value of inertia.
 //=======================================================================
 
 Standard_Boolean BRepGProp_UFunction::InertiaValue(const Standard_Real X, Standard_Real& F)

src/BRepGProp/BRepGProp_UFunction.hxx

@@ -83,7 +83,7 @@ private:
   //! Private method. Returns the value for volume computation.
   //! Other returned values are:
   //! -  thePMP0 - PSurf(X,Y) minus Location.
-  //! -  theS and theD1 coeffitients that are computed and used
+  //! -  theS and theD1 coefficients that are computed and used
   //! for computation of center of mass and inertia values
   //! by plane.
   Standard_EXPORT Standard_Real VolumeValue(const Standard_Real X,
@@ -98,7 +98,7 @@ private:
   //! computation of a value.
   Standard_EXPORT Standard_Boolean CenterMassValue(const Standard_Real X, Standard_Real& F);
 
-  //! Private method. Computes the value of intertia. The type of
+  //! Private method. Computes the value of inertia. The type of
   //! a value returned is defined by the value type. If it is
   //! other then GProp_InertiaXX, GProp_InertiaYY,
   //! GProp_InertiaZZ, GProp_InertiaXY, GProp_InertiaXZ or

src/BRepIntCurveSurface/BRepIntCurveSurface_Inter.hxx

@@ -115,7 +115,7 @@ protected:
   //! Internal function
   Standard_EXPORT void Find();
 
-  //! Method chec found intersection point
+  //! Method check found intersection point
   Standard_EXPORT Standard_Boolean FindPoint();
 
   //! Method to clear fields of class

src/BRepMesh/BRepMesh_DefaultRangeSplitter.hxx

@@ -62,7 +62,7 @@ public:
     const IMeshTools_Parameters& theParameters) const;
 
   //! Returns point in 3d space corresponded to the given
-  //! point defined in parameteric space of surface.
+  //! point defined in parametric space of surface.
   gp_Pnt Point(const gp_Pnt2d& thePoint2d) const
   {
     return GetSurface()->Value(thePoint2d.X(), thePoint2d.Y());

src/BRepMesh/BRepMesh_DelaunayDeflectionControlMeshAlgo.hxx

@@ -21,7 +21,7 @@
 #include <GeomLib.hxx>
 
 //! Extends node insertion Delaunay meshing algo in order to control
-//! deflection of generated trianges. Splits triangles failing the check.
+//! deflection of generated triangles. Splits triangles failing the check.
 template <class RangeSplitter, class BaseAlgo>
 class BRepMesh_DelaunayDeflectionControlMeshAlgo
     : public BRepMesh_DelaunayNodeInsertionMeshAlgo<RangeSplitter, BaseAlgo>

src/BRepOffset/BRepOffset_Inter3d.cxx

@@ -1356,7 +1356,7 @@ void BRepOffset_Inter3d::ContextIntByArc(const TopTools_IndexedMapOfShape& Conte
           if (InitOffsetFace.HasImage(EV))
           {
             //-------------------------------------------------
-            // OF1 parallel face generated by an ancester edge of V[i].
+            // OF1 parallel face generated by an ancestor edge of V[i].
             //-------------------------------------------------
             OF1 = TopoDS::Face(InitOffsetFace.Image(EV).First());
             OE  = TopoDS::Edge(InitOffsetEdge.Image(V[i]).First());

src/BRepOffset/BRepOffset_MakeOffset.cxx

@@ -3132,10 +3132,10 @@ void BRepOffset_MakeOffset::MakeMissingWalls(const Message_ProgressRange& theRan
         // Then edge is trimmed by intersection line between
         // two adjacent extended offset faces and get vertices.
         // When intersection lines are invalid for any reason,
-        // (one of reson is mixed connectivity of faces)
+        // (one reason is mixed connectivity of faces)
-        // algoritm of cutting offset edge by intersection line
+        // algorithm of cutting offset edge by intersection line
         // can fail and offset edge cannot get vertices.
-        // Follwing workaround is only to avoid exception if V3 and V4 are Null
+        // Following workaround is only to avoid exception if V3 and V4 are Null
         // Vertex points are invalid.
         Standard_Real      anOEF, anOEL;
         TopAbs_Orientation anOEOri = OE.Orientation();

src/BRepOffset/BRepOffset_MakeOffset.hxx

@@ -137,7 +137,7 @@ public: //! @name History methods
 protected:
   //! Analyze progress steps of the whole operation.
   //! @param theWhole - sum of progress of all operations.
-  //! @oaram theSteps - steps of the operations supported by PI
+  //! @param theSteps - steps of the operations supported by PI
   Standard_EXPORT void analyzeProgress(const Standard_Real   theWhole,
                                        TColStd_Array1OfReal& theSteps) const;
 

src/BRepOffset/BRepOffset_MakeOffset_1.cxx

@@ -1298,7 +1298,7 @@ void BRepOffset_BuildOffsetFaces::BuildSplitsOfFaces(const Message_ProgressRange
         Standard_Boolean bAllInv = Standard_True;
         // Additional check for artificial case
         // if current image face consist only of edges from aMapEInv and aMENInv
-        // then recheck current face for the futher processing
+        // then recheck current face for the further processing
         Standard_Boolean    aToReCheckFace = bArtificialCase;
         const TopoDS_Shape& aFIm           = aItLFIm.Value();
         TopExp_Explorer     aExpE(aFIm, TopAbs_EDGE);
@@ -1321,7 +1321,7 @@ void BRepOffset_BuildOffsetFaces::BuildSplitsOfFaces(const Message_ProgressRange
         {
           aToReCheckFace = checkConnectionsOfFace(aFIm, aLFImages1);
         }
-        // do not delete image face from futher processing if aToReCheckFace is true
+        // do not delete image face from further processing if aToReCheckFace is true
         if (!aExpE.More() && !aToReCheckFace)
         {
           if (bAllInv)
@@ -5474,7 +5474,7 @@ namespace
 {
 //=======================================================================
 // function : mapShapes
-// purpose  : Collect theVecShapes into theMap with setted theType
+// purpose  : Collect theVecShapes into theMap with theType set
 //=======================================================================
 template <class Container>
 static void mapShapes(const Container&       theVecShapes,

src/BRepOffset/BRepOffset_MakeSimpleOffset.hxx

@@ -68,7 +68,7 @@ public:
   Standard_EXPORT BRepOffset_MakeSimpleOffset(const TopoDS_Shape& theInputShape,
                                               const Standard_Real theOffsetValue);
 
-  //! Initialies shape for modifications.
+  //! Initialise shape for modifications.
   Standard_EXPORT void Initialize(const TopoDS_Shape& theInputShape,
                                   const Standard_Real theOffsetValue);
 

src/BRepPrim/BRepPrim_GWedge.hxx

@@ -34,9 +34,9 @@ class gp_Pln;
 class gp_Lin;
 class gp_Pnt;
 
-//! A wedge is defined by  :
+//! A wedge is defined by:
 //!
-//! Axes : an Axis2 (coordinate system)
+//! Axes: an Axis2 (coordinate system)
 //!
 //! YMin, YMax the  coordinates of the ymin and ymax
 //! rectangular faces parallel to the ZX plane (of the
@@ -150,11 +150,11 @@ public:
   Standard_EXPORT Standard_Real GetX2Max() const;
 
   //! Opens <me> in <d1> direction. A face and its edges
-  //! or vertices are said nonexistant.
+  //! or vertices are said nonexistent.
   Standard_EXPORT void Open(const BRepPrim_Direction d1);
 
   //! Closes <me> in <d1> direction. A face and its
-  //! edges or vertices are said existant.
+  //! edges or vertices are said existent.
   Standard_EXPORT void Close(const BRepPrim_Direction d1);
 
   //! Returns True if <me> is open in <d1> direction.

src/BRepPrimAPI/BRepPrimAPI_MakeHalfSpace.cxx

@@ -116,7 +116,7 @@ static Standard_Boolean getNormalFromVertex(const TopoDS_Shape&  theShape,
 
 //=======================================================================
 // function : FindExtrema
-// purpose  : This finction is called to find the nearest normal projection
+// purpose  : This function is called to find the nearest normal projection
 //           of a point <aPnt> on a shape <aShape>.
 //           1) return true if extrema is found.
 //           2) Set in:

src/BRepSweep/BRepSweep_NumLinearRegularSweep.hxx

@@ -64,7 +64,7 @@
 //!
 //! The method Has... is given because in some special
 //! cases, a vertex, an  edge or a face may be
-//! geometricaly nonexistant or not useful.
+//! geometricaly nonexistent or not useful.
 class BRepSweep_NumLinearRegularSweep
 {
 public:

src/BRepTest/BRepTest_FeatureCommands.cxx

@@ -1213,7 +1213,7 @@ Standard_Integer offsetparameter(Draw_Interpretor& di, Standard_Integer n, const
     di << "   --> TheInter  : ";
     if (TheInter)
     {
-      di << "Complet";
+      di << "Complete";
     }
     else
     {

src/BSplCLib/BSplCLib.hxx

@@ -1639,7 +1639,7 @@ public:
   //! WeightsResult one has  the result of the evaluation of
   //! the denominator
   //!
-  //! Warning:   <PolesResult> and <WeightsResult>  must be   dimensionned
+  //! Warning:   <PolesResult> and <WeightsResult>  must be   dimensioned
   //! properly.
   Standard_EXPORT static void Eval(const Standard_Real         U,
                                    const Standard_Boolean      PeriodicFlag,
@@ -1686,7 +1686,7 @@ public:
   //! <Continuity> must be equal to 1, 2 or 3.
   //! <Degree> must be greater or equal than <Continuity> + 1.
   //!
-  //! Warning:   <KnotsResult> and <PolesResult>  must be   dimensionned
+  //! Warning:   <KnotsResult> and <PolesResult>  must be   dimensioned
   //! properly.
   Standard_EXPORT static void TangExtendToConstraint(const TColStd_Array1OfReal& FlatKnots,
                                                      const Standard_Real         C1Coefficient,

src/BSplSLib/BSplSLib.hxx

@@ -170,7 +170,7 @@ public:
   //!
   //! x(1)/w , x(2)/w ,  ... derivated <N,0> times
   //! ....
-  //! Warning: <RDers> must be dimensionned properly.
+  //! Warning: <RDers> must be dimensioned properly.
   Standard_EXPORT static void RationalDerivative(const Standard_Integer UDeg,
                                                  const Standard_Integer VDeg,
                                                  const Standard_Integer N,

src/BVH/BVH_Builder.hxx

@@ -34,7 +34,7 @@ public:
   //! Returns parallel flag.
   inline Standard_Boolean IsParallel() const { return myIsParallel; }
 
-  //! Set parallel flag contolling possibility of parallel execution.
+  //! Set parallel flag controlling possibility of parallel execution.
   inline void SetParallel(const Standard_Boolean isParallel) { myIsParallel = isParallel; }
 
 protected:

src/BVH/BVH_DistanceField.hxx

@@ -47,7 +47,7 @@ public:
   //! Returns parallel flag.
   inline Standard_Boolean IsParallel() const { return myIsParallel; }
 
-  //! Set parallel flag contolling possibility of parallel execution.
+  //! Set parallel flag controlling possibility of parallel execution.
   inline void SetParallel(const Standard_Boolean isParallel) { myIsParallel = isParallel; }
 
 public:

src/BVH/BVH_Sorter.hxx

@@ -43,7 +43,7 @@ public:
   //! Returns parallel flag.
   inline Standard_Boolean IsParallel() const { return myIsParallel; }
 
-  //! Set parallel flag contolling possibility of parallel execution.
+  //! Set parallel flag controlling possibility of parallel execution.
   inline void SetParallel(const Standard_Boolean isParallel) { myIsParallel = isParallel; }
 
 private:

src/ChFi3d/ChFi3d_Builder_0.cxx

@@ -3306,7 +3306,7 @@ Standard_Real ChFi3d_ConvTol2dToTol3d(const Handle(Adaptor3d_Surface)& S, const
 //=======================================================================
 // function : EvalTolReached
 // purpose  : The function above is too hard because
-//           parametrization of surfaces is not homogenous.
+//           parametrization of surfaces is not homogeneous.
 //=======================================================================
 
 Standard_Real ChFi3d_EvalTolReached(const Handle(Adaptor3d_Surface)& S1,

src/ChFi3d/ChFi3d_Builder_1.cxx

@@ -946,7 +946,7 @@ Standard_Boolean ChFi3d_Builder::PerformElement(const Handle(ChFiDS_Spine)& Spin
           {
             // there is no need of tolerance
             // to make a decision (PRO9486) the regularity is enough.
-            // However, the abcense of turn-back is checked (PRO9810)
+            // However, the absence of turn-back is checked (PRO9810)
             OnAjoute = ((!rev && av1v2 < M_PI / 2) || (rev && av1v2 > M_PI / 2));
             // mate attention to the single case (cf CTS21610_1)
             if (OnAjoute && (degeneOnEc || TangentOnVertex(LVEc, Ev, myEFMap, ta)))

src/ChFi3d/ChFi3d_Builder_C1.cxx

@@ -4397,7 +4397,7 @@ void ChFi3d_Builder::IntersectMoreCorner(const Standard_Integer Index)
     }
 
     // Fopbis is the face containing the trace of fillet CP.Arc() which of does not contain Vtx.
-    // Normallly Fobis is either the same as Fop (cylinder), or Fobis is G1 with Fop.
+    // Normally Fobis is either the same as Fop (cylinder), or Fobis is G1 with Fop.
     Fopbis.Orientation(TopAbs_FORWARD);
 
     // Fop calls the 4th face non-used for the vertex

src/ChFi3d/ChFi3d_Builder_C2.cxx

@@ -143,7 +143,7 @@ Standard_Boolean ChFi3d_Builder::PerformTwoCornerbyInter(const Standard_Integer
   ChFiDS_SequenceOfSurfData& SeqFil2 = Corner2->ChangeSetOfSurfData()->ChangeSequence();
   Handle(ChFiDS_SurfData)&   Fd2     = SeqFil2.ChangeValue(IFd2);
 
-  // The concavities are analysed in case of differents concavities,
+  // The concavities are analysed in case of different concavities,
   // preview an evolutionary connection of type ThreeCorner of R to 0.
   // Otherwise the opposite face
   // and the eventual intersection of 2 pcurves on this face are found.

src/ChFi3d/ChFi3d_Builder_CnCrn.cxx

@@ -2403,7 +2403,7 @@ void ChFi3d_Builder::PerformMoreThreeCorner(const Standard_Integer Jndex,
   // nbiter - number of iterations, when surface from previous iteration uses as initial surface for
   // next one practically this process does not converge, using "bad" initial surface leads to much
   // more "bad" solution. constr is order of constraint: 0 - G0, 1 - G1 ... Using constraint order >
-  // 0 very often causes  unpredicable undulations of solution
+  // 0 very often causes unpredictable undulations of solution
   Standard_Integer            degree = 3, nbcurvpnt = 10, nbiter = 1;
   Standard_Integer            constr = 1; // G1
   GeomPlate_BuildPlateSurface PSurf(degree, nbcurvpnt, nbiter, tol2d, tolapp3d, angular);

src/ChFi3d/ChFi3d_ChBuilder_C3.cxx

@@ -123,7 +123,7 @@ static Handle(GeomAdaptor_Surface) BoundSurf(const Handle(Geom_Surface)& S,
 //           the SurfData of the corner <SDCoin>. Here we know the
 //           extremities of the intersection <pdeb> and <pfin>, and
 //           their parameters <p2dfin>, <p2ddeb> on <SD>.
-//           <ptcoindeb> cointains the intersection 2d point on the corner
+//           <ptcoindeb> contains the intersection 2d point on the corner
 //            which corresponds to the point <pdeb>
 //           <derudeb> and <dervdeb> are the derivative vectors on the
 //            SurfData <SD> at the point <ptdeb>

src/DBRep/DBRep.cxx

@@ -223,8 +223,8 @@ static Standard_Integer hlr(Draw_Interpretor& di, Standard_Integer n, const char
     }
     else if (!strcasecmp(a[1], "ang"))
     {
-      di << "Angle de discretisation : ";
+      di << "Angle of discretization : ";
-      di << aParams.HLRAngle * 180 / M_PI << " degres\n";
+      di << aParams.HLRAngle * 180 / M_PI << " degrees\n";
     }
     else
       return 1;
@@ -733,7 +733,7 @@ static Standard_Integer nexplode(Draw_Interpretor& di, Standard_Integer n, const
       }
     }
   }
-  // Check of equality of MidXYZ
+  // Check equality of MidXYZ
   for (Index = 1; Index < MaxShapes; Index++)
   {
     if (MidXYZ(OrderInd(Index + 1)) == MidXYZ(OrderInd(Index)))

src/Extrema/Extrema_ExtPElS.cxx

@@ -345,7 +345,7 @@ Function:
 
   Method:
   Let Pp be the projection of point P in plane XOY of the torus;
-  2 cases are consideres:
+  2 cases are considered:
   1- distance(Pp,O) < Tol:
      There is an infinite number of solutions; IsDone() = Standard_False.
   2- distance(Pp,O) > Tol:

src/Extrema/Extrema_GenExtCS.cxx

@@ -687,7 +687,7 @@ void Extrema_GenExtCS::GlobMinCQuadric(const Adaptor3d_Curve& theC,
   //
 
   // Increase numbers of curve samples to improve searching global minimum
-  // because dimension of optimisation task is redused
+  // because dimension of optimisation task is reduced
   const Standard_Integer aMaxNbNodes = 50;
   Standard_Integer       aNewCsample = mytsample;
   Standard_Integer       anAddsample = Max(myusample / 2, 3);

src/Extrema/Extrema_GenExtPS.cxx

@@ -171,7 +171,7 @@ Method:
   - F: Extrema_FuncExtPS created from P and S,
   - UV: math_Vector the components which of are parameters of the extremum on the
     grid,
-  - Tol: Min(TolU,TolV), (Prov.:math_FunctionSetRoot does not autorize a vector)
+  - Tol: Min(TolU,TolV), (Prov.:math_FunctionSetRoot does not authorize a vector)
   - UVinf: math_Vector the components which of are lower limits of u and v,
   - UVsup: math_Vector the components which of are upper limits of u and v.
 

src/Geom/Geom_BezierSurface.hxx

@@ -247,7 +247,7 @@ public:
   //! . UDegree is greater than MaxDegree.
   //! . the Length of CPoles is not equal to NbVPoles
   //! . a weight value is lower or equal to Resolution from
-  //! pacakage gp
+  //! package gp
   Standard_EXPORT void InsertPoleRowBefore(const Standard_Integer      UIndex,
                                            const TColgp_Array1OfPnt&   CPoles,
                                            const TColStd_Array1OfReal& CPoleWeights);

src/GeomPlate/GeomPlate_BuildPlateSurface.cxx

@@ -2211,7 +2211,7 @@ void GeomPlate_BuildPlateSurface::Discretise(
         {
           if (((!mySurfInitIsGive)
                && (Geom2dAdaptor_Curve(LinCont->Curve2dOnSurf()).GetType() != GeomAbs_Circle))
-              || ((j > 1) && (j < NbPnt_i)))           // exclude extremeties
+              || ((j > 1) && (j < NbPnt_i)))           // exclude extremities
             myPlateCont->ChangeValue(i).Append(Inter); // add the point
         }
       }

src/HLRAlgo/HLRAlgo_Coincidence.hxx

@@ -23,15 +23,15 @@
 #include <Standard_Integer.hxx>
 #include <TopAbs_State.hxx>
 
-//! The Coincidence class is used in an Inteference to
+//! The Coincidence class is used in an Interference to
 //! store information on the "hiding" edge.
 //!
-//! 2D  Data : The  tangent  and the  curvature of the
+//! 2D Data: The tangent and the curvature of the
 //! projection of the edge at the intersection point.
 //! This is necesserary when the intersection is at
 //! the extremity of the edge.
 //!
-//! 3D   Data  :  The   state of  the   edge  near the
+//! 3D Data: The state of the edge near the
 //! intersection with the face (before and after).
 //! This is necessary when the intersection is "ON"
 //! the face.

src/IFSelect/IFSelect_Modifier.hxx

@@ -50,7 +50,7 @@ public:
   //! <TC> allows to run additional copies as required
   //!
   //! In case of Error, use methods CCheck from the ContextModif
-  //! to aknowledge an entity Check or a Global Check with messages
+  //! to acknowledge an entity Check or a Global Check with messages
   Standard_EXPORT virtual void Perform(IFSelect_ContextModif&                  ctx,
                                        const Handle(Interface_InterfaceModel)& target,
                                        const Handle(Interface_Protocol)&       protocol,

src/IFSelect/IFSelect_SelectSignature.hxx

@@ -38,7 +38,7 @@ DEFINE_STANDARD_HANDLE(IFSelect_SelectSignature, IFSelect_SelectExtract)
 //! contains (the Type's Name must contain the criterium Text)
 //!
 //! Remark that no more interpretation is done, it is an
-//! alpha-numeric signature : for instance, DynamicType is matched
+//! alphanumeric signature : for instance, DynamicType is matched
 //! as such, super-types are not considered
 //!
 //! Also, numeric (integer) comparisons are supported : an item

src/IFSelect/IFSelect_SessionFile.hxx

@@ -35,7 +35,7 @@ class Standard_Transient;
 //! WorkSession and an Ascii Form, to be considered as a Dump.
 //! It allows to write the File from the WorkSession, and later
 //! read the File to the WorkSession, by keeping required
-//! descriptions (such as dependances).
+//! descriptions (such as dependences).
 //!
 //! The produced File is under an Ascii Form, then it may be
 //! easily consulted.
@@ -75,7 +75,7 @@ public:
 
   //! Creates a SessionFile which Writes the content of a WorkSession
   //! to a File (directly calls Write)
-  //! Then, IsDone aknowledges on the result of the Operation.
+  //! Then, IsDone acknowledges on the result of the Operation.
   //! But such a SessionFile may not Read a File to a WorkSession.
   Standard_EXPORT IFSelect_SessionFile(const Handle(IFSelect_WorkSession)& WS,
                                        const Standard_CString              filename);

src/IFSelect/IFSelect_WorkSession.hxx

@@ -642,7 +642,7 @@ public:
   //! undefined), positive if OK, negative else :
   //! 0  : Nothing done
   //! 1  : OK, edition on the spot with no change to the graph
-  //! of dependances (purely local)
+  //! of dependencies (purely local)
   //! 2  : OK, model edited on the spot (graph recomputed, may
   //! have changed), protocol unchanged
   //! 3  : OK, new model produced, same protocol
@@ -654,7 +654,7 @@ public:
   //! -2 : Error on edition the spot, data may be corrupted
   //! (checking them is recommended)
   //! -3 : Error with a new data set, transformation ignored
-  //! -4 : OK as 4, but graph of dependances count not be recomputed
+  //! -4 : OK as 4, but graph of dependences count not be recomputed
   //! (the former one is kept) : check the protocol
   Standard_EXPORT Standard_Integer RunTransformer(const Handle(IFSelect_Transformer)& transf);
 
@@ -795,7 +795,7 @@ public:
   //! See the class PacketList for more details.
   Standard_EXPORT Handle(IFSelect_PacketList) EvalSplit() const;
 
-  //! Returns the list of Entities sent in files, accourding the
+  //! Returns the list of Entities sent in files, according to the
   //! count of files each one has been sent (these counts are reset
   //! by SetModel or SetRemaining(Forget) ) stored in Graph Status
   //! <count> = -1 (default) is for ENtities sent at least once

src/IGESCAFControl/IGESCAFControl_Writer.cxx

@@ -354,7 +354,7 @@ void IGESCAFControl_Writer::MakeColors(const TopoDS_Shape&
     }
     else
     {
-      // may be S was splited during shape process
+      // may be S was split during shape process
       Handle(Transfer_Binder) bnd = FP->Find(mapper);
       if (!bnd.IsNull())
       {

src/IGESControl/IGESControl_Controller.hxx

@@ -57,7 +57,7 @@ public:
   //! <modetrans> is to be interpreted by each kind of XstepAdaptor
   //! Returns a status : 0 OK  1 No result  2 Fail  -1 bad modeshape
   //! -2 bad model (requires an IGESModel)
-  //! modeshape : 0  groupe of face (version < 5.1)
+  //! modeshape : 0 group of face (version < 5.1)
   //! 1  BREP-version 5.1 of IGES
   Standard_EXPORT virtual IFSelect_ReturnStatus TransferWriteShape(
     const TopoDS_Shape&                     shape,

src/IGESConvGeom/IGESConvGeom.cxx

@@ -267,7 +267,7 @@ Standard_Integer IGESConvGeom::SplineSurfaceFromIGES(const Handle(IGESGeom_Splin
   if ((NbUSeg < 1) || (NbVSeg < 1))
     return 5;
 
-  //  Output BSpline knots & multiplicities arraies for U & V :
+  //  Output BSpline knots & multiplicities arrays for U & V :
   //  =========================================================
 
   TColStd_Array1OfReal UKnot(1, NbUSeg + 1);

src/IGESData/IGESData_IGESEntity.hxx

@@ -185,7 +185,7 @@ public:
   //! Warning 0 is returned if no subscript number is defined for this IGES entity.
   Standard_EXPORT Standard_Integer SubScriptNumber() const;
 
-  //! Initializes a directory field as an Entiy of any kind
+  //! Initializes a directory field as an Entity of any kind
   //! See DirFieldEntity for more details
   Standard_EXPORT void InitDirFieldEntity(const Standard_Integer             fieldnum,
                                           const Handle(IGESData_IGESEntity)& ent);

src/IGESData/IGESData_IGESReaderData.hxx

@@ -46,7 +46,7 @@ class IGESData_IGESReaderData : public Interface_FileReaderData
 {
 
 public:
-  //! creates IGESReaderData correctly dimensionned (for arrays)
+  //! creates IGESReaderData correctly dimensioned (for arrays)
   //! <nbe> count of entities, that is, half nb of directory lines
   //! <nbp> : count of parameters
   Standard_EXPORT IGESData_IGESReaderData(const Standard_Integer nbe, const Standard_Integer nbp);

src/IGESData/IGESData_IGESWriter.hxx

@@ -70,7 +70,7 @@ public:
 
   //! Sends an additional Starting Line : this is the way used to
   //! send comments in an IGES File (at beginning of the file).
-  //! If the line is more than 72 char.s long, it is splited into
+  //! If the line is more than 72 chars long, it is split into
   //! as many lines as required to send it completely
   Standard_EXPORT void SendStartLine(const Standard_CString startline);
 
@@ -143,7 +143,7 @@ public:
                             const Standard_Boolean             negative = Standard_False);
 
   //! Helper method to avoid ambiguity of calls to above methods Send() for
-  //! classes derived from IGESData_IGESEntity, for VC++ 10 and 11 compillers
+  //! classes derived from IGESData_IGESEntity, for VC++ 10 and 11 compilers
   template <class T>
   void Send(const Handle(T)& val,
             Standard_Boolean negative = Standard_False,

src/IGESDimen/IGESDimen_GeneralSymbol.hxx

@@ -50,7 +50,7 @@ public:
                             const Handle(IGESData_HArray1OfIGESEntity)&   allGeoms,
                             const Handle(IGESDimen_HArray1OfLeaderArrow)& allLeaders);
 
-  //! Changes FormNumber (indicates the Nature of the Symbole)
+  //! Changes FormNumber (indicates the Nature of the Symbol)
   //! Error if not in ranges [0-3] or [> 5000]
   Standard_EXPORT void SetFormNumber(const Standard_Integer form);
 

src/IGESToBRep/IGESToBRep_BasicCurve.cxx

@@ -964,7 +964,7 @@ Handle(Geom_Curve) IGESToBRep_BasicCurve::TransferBSplineCurve(
     for (i = 0; i <= start->UpperIndex(); i++)
       Pole.SetValue(PoleIndex++, start->Pole(i));
 
-  //  Filling knots & multiplicities arraies :
+  //  Filling knots & multiplicities arrays :
   //  ========================================
 
   Standard_Integer        NbKnots = start->NbKnots();
@@ -992,7 +992,7 @@ Handle(Geom_Curve) IGESToBRep_BasicCurve::TransferBSplineCurve(
       TempKnot.SetValue(++KnotIndex, Knot1);
   }
 
-  //  Final knots & multiplicities arraies are dimensionned so as to be fully
+  //  Final knots & multiplicities arrays are dimensioned so as to be fully
   //  filled
   //  =======================================================================
 

src/IGESToBRep/IGESToBRep_BasicSurface.cxx

@@ -673,7 +673,7 @@ Handle(Geom_BSplineSurface) IGESToBRep_BasicSurface::TransferBSplineSurface(
       TempUKnot.SetValue(++UIndex, UKnot1);
   }
 
-  //  Final knots & multiplicities arraies are dimensionned so as to be fully
+  //  Final knots & multiplicities arrays are dimensioned so as to be fully
   //  filled :
   //  =======================================================================
 
@@ -745,7 +745,7 @@ Handle(Geom_BSplineSurface) IGESToBRep_BasicSurface::TransferBSplineSurface(
       TempVKnot.SetValue(++VIndex, VKnot1);
   }
 
-  //  Final knots & multiplicities arraies are dimensionned so as to be fully
+  //  Final knots & multiplicities arrays are dimensioned so as to be fully
   //  filled :
   //  =======================================================================
 

src/IGESToBRep/IGESToBRep_CurveAndSurface.hxx

@@ -115,8 +115,8 @@ public:
   //! Changes the value of "mySurfaceCurve"
   void SetSurfaceCurve(const Standard_Integer ival);
 
-  //! Returns the value of  " mySurfaceCurve" 0 = value in
+  //! Returns the value of "mySurfaceCurve" 0 = value in
-  //! file , 2  = kepp 2d   and compute 3d   3 = keep 3d and
+  //! file, 2 = keep 2d and compute 3d, 3 = keep 3d and
   //! compute 2d
   Standard_Integer GetSurfaceCurve() const;
 

src/IVtkDraw/IVtkDraw_HighlightAndSelectionPipeline.cxx

@@ -90,7 +90,7 @@ IVtkDraw_HighlightAndSelectionPipeline::IVtkDraw_HighlightAndSelectionPipeline(
   IVtkTools_SubPolyDataFilter* aSUBFilterH =
     IVtkTools_SubPolyDataFilter::SafeDownCast(myFilterMap.Find(Filter_SUB_Hili));
 
-  // No highligthing exists initially
+  // No highlighting exists initially
   aSUBFilterH->SetInputConnection(aDataSource->GetOutputPort());
   aDMFilterH->SetInputConnection(aSUBFilterH->GetOutputPort());
 
@@ -119,7 +119,7 @@ IVtkDraw_HighlightAndSelectionPipeline::IVtkDraw_HighlightAndSelectionPipeline(
   IVtkTools_SubPolyDataFilter* aSUBFilterS =
     IVtkTools_SubPolyDataFilter::SafeDownCast(myFilterMap.Find(Filter_SUB_Sel));
 
-  // No highligthing exists initially
+  // No highlighting exists initially
   aSUBFilterS->SetInputConnection(aDataSource->GetOutputPort());
   aDMFilterS->SetInputConnection(aSUBFilterS->GetOutputPort());
 

src/IVtkOCC/IVtkOCC_ViewerSelector.hxx

@@ -57,7 +57,7 @@ public:
   //! Deactivate the given selection
   void Deactivate(const Handle(SelectMgr_Selection)& theSelection);
 
-  //! Converts VTK camera defiened for input view to OCC camera
+  //! Converts VTK camera defined for input view to OCC camera
   static Handle(Graphic3d_Camera) ConvertVtkToOccCamera(const IVtk_IView::Handle& theView);
 
   DEFINE_STANDARD_RTTIEXT(IVtkOCC_ViewerSelector, SelectMgr_ViewerSelector)

src/IntPatch/IntPatch_ALineToWLine.cxx

@@ -766,7 +766,7 @@ void IntPatch_ALineToWLine::MakeWLine(const Handle(IntPatch_ALine)& theALine,
 
       if (aPrePointExist == IntPatch_SPntPole || aPrePointExist == IntPatch_SPntPoleSeamU)
       {
-        // set correxponding status: to be corrected later
+        // set corresponding status: to be corrected later
         if (aLinOn2S->NbPoints() == 1)
           anIsFirstDegenerated = Standard_True;
         else
@@ -778,7 +778,7 @@ void IntPatch_ALineToWLine::MakeWLine(const Handle(IntPatch_ALine)& theALine,
       {
         if (aNbPointsPrev == aLinOn2S->NbPoints())
         {
-          // Vertex coinsides any point of line and was not added into line
+          // Vertex coincides any point of line and was not added into line
           aNewVertexParam = aNbPointsPrev;
         }
         aPrevParam = aParameter = aCurVertParam;

src/IntPatch/IntPatch_ImpImpIntersection.cxx

@@ -4014,7 +4014,7 @@ public:
                                              Standard_Boolean&      theIsIncreasing);
 
   //! Computes U2 (U-parameter of the 2nd cylinder) and, if theDelta != 0,
-  //! esimates the tolerance of U2-computing (estimation result is
+  //! estimates the tolerance of U2-computing (estimation result is
   //! assigned to *theDelta value).
   static Standard_Boolean CylCylComputeParameters(const Standard_Real    theU1par,
                                                   const Standard_Integer theWLIndex,
@@ -6974,9 +6974,9 @@ static IntPatch_ImpImpIntersection::IntStatus CyCyNoGeometric(
                 && ((aVSurf2l - aV2[i]) * (aVSurf2l - aV2Prev[i]) < RealSmall()));
 
           // isFound1 == TRUE if intersection line intersects V-bounds
-          //   (First or Last - no matter) of the 1st cylynder
+          //   (First or Last - no matter) of the 1st cylinder
           // isFound2 == TRUE if intersection line intersects V-bounds
-          //   (First or Last - no matter) of the 2nd cylynder
+          //   (First or Last - no matter) of the 2nd cylinder
           Standard_Boolean isFound1 = Standard_False, isFound2 = Standard_False;
           Standard_Boolean isForce = Standard_False;
 

src/IntPatch/IntPatch_WLineTool.cxx

@@ -1807,7 +1807,7 @@ void IntPatch_WLineTool::ExtendTwoWLines(IntPatch_SequenceOfLine&         theSli
       continue;
     }
 
-    // Enable/Disable of some ckeck. Bit-mask is used for it.
+    // Enable/Disable of some check. Bit-mask is used for it.
     // E.g. if 1st point of aWLine1 matches with
     // 1st point of aWLine2 then we do not need in check
     // 1st point of aWLine1 and last point of aWLine2 etc.

src/Interface/Interface_CopyTool.hxx

@@ -136,7 +136,7 @@ public:
   //! Clears LastFlags only. This allows to know what Entities are
   //! copied after its call (see method LastCopiedAfter). It can be
   //! used when copies are done by increments, which must be
-  //! distinghished. ClearLastFlags is also called by Clear.
+  //! distinguished. ClearLastFlags is also called by Clear.
   Standard_EXPORT void ClearLastFlags();
 
   //! Returns an copied Entity and its Result which were operated

src/MAT/MAT_Arc.hxx

@@ -58,13 +58,13 @@ public:
   //! Returns the other Node extremity of <me>.
   Standard_EXPORT Handle(MAT_Node) SecondNode() const;
 
-  //! an Arc has two Node, if <aNode> egal one
+  //! An Arc has two Node, if <aNode> equals one
   //! Returns the other.
   //!
   //! if <aNode> is not oh <me>
   Standard_EXPORT Handle(MAT_Node) TheOtherNode(const Handle(MAT_Node)& aNode) const;
 
-  //! Returnst True is there is an arc linked to
+  //! Returns True if there is an arc linked to
   //! the Node <aNode> located on the side <aSide> of <me>;
   //! if <aNode> is not on <me>
   Standard_EXPORT Standard_Boolean HasNeighbour(const Handle(MAT_Node)& aNode,

src/MeshVS/MeshVS_Mesh.cxx

@@ -69,7 +69,7 @@ MeshVS_Mesh::MeshVS_Mesh(const Standard_Boolean theIsAllowOverlapped)
 
   SetAutoHilight(Standard_False);
 
-  SetDisplayMode(MeshVS_DMF_WireFrame); // Mode as defaut
+  SetDisplayMode(MeshVS_DMF_WireFrame); // Mode as default
   SetHilightMode(MeshVS_DMF_WireFrame); // Wireframe as default hilight mode
 
   SetColor(Quantity_NOC_WHITE);

src/OSD/OSD_FileSystem.hxx

@@ -59,7 +59,7 @@ public:
   //! (std::ios_base::in will be implicitly added)
   //! @param[in] theOffset     expected stream position from the beginning of the file (beginning of
   //! the stream by default);
-  //!                          -1 would keep seek position undefined (in case of re-using
+  //!                          -1 would keep seek position undefined (in case of reusing
   //!                          theOldStream)
   //! @param[in] theOldStream  a pointer to existing stream pointing to theUrl to be reused (without
   //! re-opening)

src/PLib/PLib.hxx

@@ -112,7 +112,7 @@ public:
   //! ...
   //! x(1)/w , x(2)/w ,  ... derivated <N> times
   //!
-  //! Warning: <RDers> must be dimensionned properly.
+  //! Warning: <RDers> must be dimensioned properly.
   Standard_EXPORT static void RationalDerivative(const Standard_Integer Degree,
                                                  const Standard_Integer N,
                                                  const Standard_Integer Dimension,
@@ -148,7 +148,7 @@ public:
   //! can be same since the overwrite is non destructive within
   //! the algorithm
   //!
-  //! Warning: <RationalDerivates> must be dimensionned properly.
+  //! Warning: <RationalDerivates> must be dimensioned properly.
   Standard_EXPORT static void RationalDerivatives(const Standard_Integer DerivativesRequest,
                                                   const Standard_Integer Dimension,
                                                   Standard_Real&         PolesDerivatives,

src/Plate/Plate_Plate.hxx

@@ -42,7 +42,7 @@ class gp_XYZ;
 class gp_XY;
 class math_Matrix;
 
-//! This class implement a variationnal spline algorithm able
+//! This class implement a variational spline algorithm able
 //! to define a two variable function satisfying some constraints
 //! and minimizing an energy like criterion.
 class Plate_Plate

src/ProjLib/ProjLib_CompProjectedCurve.cxx

@@ -367,7 +367,7 @@ static Standard_Boolean ExactBound(gp_Pnt&                          Sol,
   LastV  = Surface->LastVParameter();
   // Here we have to compute the boundary that projection is going to intersect
   gp_Vec2d D2d;
-  // these variables are to estimate which boundary has more apportunity
+  // these variables are to estimate which boundary has more opportunity
   // to be intersected
   Standard_Real RU1, RU2, RV1, RV2;
   d1(Sol.X(), U0, V0, D2d, Curve, Surface);

src/PrsDim/PrsDim_DiameterDimension.hxx

@@ -119,7 +119,7 @@ public:
 protected:
   //! Override this method to change logic of anchor point computation.
   //! Computes anchor point. Its computation is based on the current
-  //! dimension plane. Therfore, anchor point is an intersection of plane
+  //! dimension plane. Therefore, anchor point is an intersection of plane
   //! and circle.
   //! ATTENTION!
   //! 1) The plane should be set or computed before.

src/PrsDim/PrsDim_Dimension.hxx

@@ -91,7 +91,7 @@ DEFINE_STANDARD_HANDLE(PrsDim_Dimension, AIS_InteractiveObject)
 //! Being a 2D drawings, the dimensions are created on imaginary plane, called "dimension plane",
 //! which can be thought of as reference system of axes (X,Y,N) for constructing the presentation.
 //!
-//! The role of axes of the dimension plane is to guide you through the encapsualted automations
+//! The role of axes of the dimension plane is to guide you through the encapsulated automations
 //! of presentation building to help you understand how is the presentation will look and how it
 //! will be oriented in model space during construction.
 //!
@@ -515,7 +515,7 @@ protected:
                               gp_Pln&                                thePlane,
                               Standard_Boolean&                      theIsPlaneOld) const;
 
-protected: //! @name Static auxilliary methods for geometry extraction
+protected: //! @name Static auxiliary methods for geometry extraction
   //! If it is possible extracts circle from planar face.
   //! @param[in] theFace         the planar face
   //! @param[out] theCurve        the circular curve

src/PrsDim/PrsDim_EqualDistanceRelation.cxx

@@ -263,7 +263,7 @@ void PrsDim_EqualDistanceRelation::ComputeSelection(const Handle(SelectMgr_Selec
     BRepAdaptor_Curve aCurve(TopoDS::Edge(mySShape));
     if (aCurve.GetType() == GeomAbs_Line)
     {
-      // add sensetive element - line
+      // add sensitive element - line
       seg = new Select3D_SensitiveSegment(own, myAttachPoint2, myPoint2);
       aSelection->Add(seg);
     }
@@ -290,7 +290,7 @@ void PrsDim_EqualDistanceRelation::ComputeSelection(const Handle(SelectMgr_Selec
     BRepAdaptor_Curve aCurve(TopoDS::Edge(myShape3));
     if (aCurve.GetType() == GeomAbs_Line)
     {
-      // add sensetive element - line
+      // add sensitive element - line
       seg = new Select3D_SensitiveSegment(own, myAttachPoint3, myPoint3);
       aSelection->Add(seg);
     }
@@ -322,7 +322,7 @@ void PrsDim_EqualDistanceRelation::ComputeSelection(const Handle(SelectMgr_Selec
     BRepAdaptor_Curve aCurve(TopoDS::Edge(myShape4));
     if (aCurve.GetType() == GeomAbs_Line)
     {
-      // add sensetive element - line
+      // add sensitive element - line
       seg = new Select3D_SensitiveSegment(own, myAttachPoint4, myPoint4);
       aSelection->Add(seg);
     }

src/RWGltf/RWGltf_CafReader.hxx

@@ -67,7 +67,7 @@ public:
   //! Sets flag to skip data loading.
   void SetToSkipLateDataLoading(bool theToSkip) { myToSkipLateDataLoading = theToSkip; }
 
-  //! Returns TRUE if data should be loaded into itself without its transfering to new structure.
+  //! Returns TRUE if data should be loaded into itself without its transferring to new structure.
   //! It allows to keep information about deferred storage to load/unload this data later.
   //! TRUE by default.
   bool ToKeepLateData() { return myToKeepLateData; }

src/RWGltf/RWGltf_GltfJsonParser.cxx

@@ -306,7 +306,7 @@ bool RWGltf_ExtrasParser::parseArray(const RWGltf_JsonValue& theValue,
     return true;
   }
 
-  // Unsupported type of array. Print waring and return.
+  // Unsupported type of array. Print warning and return.
   Message::SendWarning() << "Warning: Extras owner \"" << myParentID << "\", Value \""
                          << theValueName << "\" - "
                          << "Array of unsupported type is detected. It will be skipped.";

src/RWStepShape/RWStepShape_RWAngularLocation.cxx

@@ -76,7 +76,7 @@ void RWStepShape_RWAngularLocation::ReadStep(const Handle(StepData_StepReaderDat
   // Own fields of AngularLocation
 
   // PTV 16.09.2000
-  // default value set as StepShape_Small, cause there wasn`t default value, but may be situation
+  // default value set as StepShape_Small, cause there wasn't default value, but may be situation
   // when value will not be initialized and returned in ent->Init.
   StepShape_AngleRelator aAngleSelection = StepShape_Small;
   if (data->ParamType(num, 5) == Interface_ParamEnum)

src/STEPCAFControl/STEPCAFControl_GDTProperty.cxx

@@ -109,7 +109,7 @@ Standard_Integer CountNormals(const Handle(Poly_Triangulation)& theTriangulation
 //=======================================================================
 // function : GenerateNormalsArray
 // purpose  : Generates array of normals from theTriangulation. Normals
-//           wiil be transformed with theTransformation.
+//           will be transformed with theTransformation.
 //           IMPORTANT: Output will be nullptr if theTriangulation has
 //           no normals.
 //=======================================================================
@@ -1567,7 +1567,7 @@ Handle(StepVisual_TessellatedGeometricSet) STEPCAFControl_GDTProperty::GetTessel
   // Build tesselated_curve_set.
   Handle(StepVisual_TessellatedCurveSet) aTCS = GenerateTessellatedCurveSet(theShape);
 
-  // Fill the container of tesselated items.
+  // Fill the container of tessellated items.
   NCollection_Handle<StepVisual_Array1OfTessellatedItem> aTesselatedItems =
     new StepVisual_Array1OfTessellatedItem(1, static_cast<Standard_Integer>(aCTSSs.size()) + 1);
   aTesselatedItems->SetValue(1, aTCS);

src/STEPCAFControl/STEPCAFControl_Writer.cxx

@@ -1005,7 +1005,7 @@ static Standard_Integer FindEntities(const Handle(Transfer_FinderProcess)& theFP
     return 1;
   }
 
-  // may be S was splited during shape processing
+  // may be S was split during shape processing
   Handle(TransferBRep_ShapeMapper) aMapper = TransferBRep::ShapeMapper(theFP, theShape);
   Handle(Transfer_Binder)          aBinder = theFP->Find(aMapper);
   if (aBinder.IsNull())

src/SWDRAW/SWDRAW_ShapeUpgrade.cxx

@@ -1799,7 +1799,7 @@ void SWDRAW_ShapeUpgrade::InitCommands(Draw_Interpretor& theCommands)
   //  theCommands.Add("DT_SplitFace", "DT_SplitFace Result Face Tol",
   //		  __FILE__, DT_SplitFace,g);
 
-  //  theCommands.Add("DT_Debug", "DT_Debug 0/1 : activation/desactivation of the debug messages",
+  //  theCommands.Add("DT_Debug", "DT_Debug 0/1 : activation/deactivation of the debug messages",
   //		  __FILE__, DT_Debug,g);
   //  theCommands.Add ("shellsolid","option[a-b-c-f] shape result",
   //		   __FILE__,shellsolid,g);

src/ShapeAnalysis/ShapeAnalysis_Surface.hxx

@@ -227,7 +227,7 @@ public:
   //! also says this. Otherwise additional analysis is performed,
   //! comparing given precision with the following distances:
   //! - periodic B-Splines are closed,
-  //! - polinomial B-Spline with boundary multiplicities degree+1
+  //! - polynomial B-Spline with boundary multiplicities degree+1
   //! and Bezier - maximum distance between poles,
   //! - rational B-Spline or one with boundary multiplicities not
   //! degree+1 - maximum distance computed at knots and their
@@ -244,7 +244,7 @@ public:
   //! also says this. Otherwise additional analysis is performed,
   //! comparing given precision with the following distances:
   //! - periodic B-Splines are closed,
-  //! - polinomial B-Spline with boundary multiplicities degree+1
+  //! - polynomial B-Spline with boundary multiplicities degree+1
   //! and Bezier - maximum distance between poles,
   //! - rational B-Spline or one with boundary multiplicities not
   //! degree+1 - maximum distance computed at knots and their

src/ShapeAnalysis/ShapeAnalysis_WireOrder.cxx

@@ -379,7 +379,7 @@ void ShapeAnalysis_WireOrder::Perform(const Standard_Boolean /*closed*/)
         {
           aJointMask2D |= (1 << 3);
         }
-        // new approche for detecting best edge connection, for all other cases used old 3D
+        // new approch for detecting best edge connection, for all other cases used old 3D
         // algorithm
         Standard_Integer aFullMask = aJointMask3D & aJointMask2D;
         if (aFullMask != 0)

src/ShapeCustom/ShapeCustom_BSplineRestriction.cxx

@@ -1642,7 +1642,7 @@ Standard_Boolean ShapeCustom_BSplineRestriction::ConvertCurve2d(const Handle(Geo
       catch (Standard_Failure const& anException)
       {
 #ifdef OCCT_DEBUG
-        std::cout << "Warning: Geom2dConvert_ApproxCurve Exception: Wrong Cofficient :Decrease "
+        std::cout << "Warning: Geom2dConvert_ApproxCurve Exception: Wrong Coefficient :Decrease "
                      "Continuity    ";
         anException.Print(std::cout);
         std::cout << std::endl;

src/ShapeCustom/ShapeCustom_Curve2d.hxx

@@ -26,7 +26,7 @@ class Geom2d_Curve;
 class Geom2d_BSplineCurve;
 
 //! Converts curve2d to analytical form with given
-//! precision or simpify curve2d.
+//! precision or simplify curve2d.
 class ShapeCustom_Curve2d
 {
 public:

src/StepData/StepData_StepReaderData.hxx

@@ -53,7 +53,7 @@ class StepData_StepReaderData : public Interface_FileReaderData
 {
 
 public:
-  //! creates StepReaderData correctly dimensionned (necessary at
+  //! creates StepReaderData correctly dimensioned (necessary at
   //! creation time, because it contains arrays)
   //! nbheader is nb of records for Header, nbtotal for Header+Data
   //! and nbpar gives the total count of parameters

src/TDF/TDF_CopyTool.cxx

@@ -92,7 +92,7 @@ void TDF_CopyTool::Copy(const Handle(TDF_DataSet)&         aSourceDataSet,
   // except for the label unattached attributes,
   // but everybody can update the relocation table...
 
-  // Now: the paste phasis!
+  // Now: the paste phase!
   TDF_DataMapIteratorOfAttributeDataMap attItr2(theAttMap);
   for (; attItr2.More(); attItr2.Next())
   {

src/TDF/TDF_DerivedAttribute.hxx

@@ -57,7 +57,7 @@ class TCollection_AsciiString;
     return TDF_DERIVED_##Class();                                                                  \
   }
 
-//! Class provides global access (through static methods) to all derived attributres information.
+//! Class provides global access (through static methods) to all derived attributes information.
 //! It is used internally by macros for registration of derived attributes and driver-tables
 //! for getting this data.
 class TDF_DerivedAttribute

src/TObj/TObj_Object.hxx

@@ -402,7 +402,7 @@ public:
    * Method for updating object after restoring
    */
 
-  //! Performs updating the links and dependances of the object which are not
+  //! Performs updating the links and dependences of the object which are not
   //! stored in persistence. Should be redefined if necessary.
   virtual Standard_EXPORT void AfterRetrieval();
 

src/TopOpeBRepBuild/TopOpeBRepBuild_BuilderON.cxx

@@ -1338,7 +1338,7 @@ void TopOpeBRepBuild_BuilderON::GFillONPartsWES2(const Handle(TopOpeBRepDS_Inter
       Standard_Boolean reverse = (!samegeom);
 #ifdef OCCT_DEBUG
       if (TopOpeBRepBuild_GetcontextNOSG())
-        // MSV 21.03.2002: restore the genaral behaviour, since the function
+        // MSV 21.03.2002: restore the general behaviour, since the function
         //                 FUN_UNKFstasta was corrected.
         reverse = Standard_False; // we exclude this line from #ifdef OCCT_DEBUG because
                                   // in optimised mode this line will never be included , and that
@@ -2143,7 +2143,7 @@ void TopOpeBRepBuild_BuilderON::GFillONPartsWES2(const Handle(TopOpeBRepDS_Inter
         if (nfor < 1)
           b = shareG; // Esd is FOR's closing edge
         else if (nfor > 1)
-          return; // NYIRaise (unvalid shape)
+          return; // NYIRaise (invalid shape)
         else
         {
           const TopoDS_Face& FF    = TopoDS::Face(lfor.First());

src/TopOpeBRepDS/TopOpeBRepDS_Check.hxx

@@ -35,7 +35,7 @@ class TopOpeBRepDS_HDataStructure;
 class TopOpeBRepDS_Check;
 DEFINE_STANDARD_HANDLE(TopOpeBRepDS_Check, Standard_Transient)
 
-//! a tool verifing integrity and structure of DS
+//! a tool verifying integrity and structure of DS
 class TopOpeBRepDS_Check : public Standard_Transient
 {
 

src/ViewerTest/ViewerTest_ObjectCommands.cxx

@@ -1465,7 +1465,7 @@ static Standard_Integer VPlaneBuilder(Draw_Interpretor& /*di*/,
       if (aShapes.Extent() < 1 || aShapes.Extent() > 3)
       {
         Message::SendFail()
-          << "Error: Wront number of selected shapes.\n"
+          << "Error: Wrong number of selected shapes.\n"
           << "\tYou should one of variant: face, edge and vertex or three vertices.";
         return 1;
       }
@@ -3878,7 +3878,7 @@ static int VDrawPArray(Draw_Interpretor& di, Standard_Integer argc, const char**
 
   if (!hasVertex)
   {
-    di << "You should pass any verticies in the list of array elements\n";
+    di << "You should pass any vertices in the list of array elements\n";
     return 1;
   }
 

src/ViewerTest/ViewerTest_RelationCommands.cxx

@@ -169,7 +169,7 @@ static Standard_Boolean Get3DPointAtMousePosition(const gp_Pnt& theFirstPoint,
 
 //=======================================================================
 // function : ParseDimensionParams
-// purpose  : Auxilliary function: sets aspect parameters for
+// purpose  : Auxiliary function: sets aspect parameters for
 //           length, angle, radius and diameter dimension.
 //
 // draw args: -text [3d|2d] [wf|sh|wireframe|shading] [Size]
@@ -560,7 +560,7 @@ static void SetDimensionParams(
 
 //=======================================================================
 // function : ParseAngleDimensionParams
-// purpose  : Auxilliary function: sets custom parameters for angle dimension.
+// purpose  : Auxiliary function: sets custom parameters for angle dimension.
 //
 // draw args: -type [interior|exterior]
 //           -showarrow [first|second|both|none]
@@ -999,7 +999,7 @@ Standard_Boolean IsParallel(const TopoDS_Shape& theShape1, const TopoDS_Shape& t
 
 //=======================================================================
 // function : VRelationBuilder
-// purpose  : Command for building realation presentation
+// purpose  : Command for building relation presentation
 //=======================================================================
 static int VRelationBuilder(Draw_Interpretor& /*theDi*/,
                             Standard_Integer theArgsNb,

src/ViewerTest/ViewerTest_ViewerCommands.cxx

@@ -430,7 +430,7 @@ Handle(AIS_InteractiveContext) FindContextByView(const Handle(V3d_View)& theView
 
 //==============================================================================
 // function : IsWindowOverlapped
-// purpose  : Check if theWindow overlapp another view
+// purpose  : Check if theWindow overlap another view
 //==============================================================================
 
 Standard_Boolean IsWindowOverlapped(const Standard_Integer   thePxLeft,
@@ -5691,7 +5691,7 @@ static int VReadPixel(Draw_Interpretor& theDI, Standard_Integer theArgNb, const
   }
 
   // redirect possible warning messages that could have been added by ToPixMap
-  // into the Tcl interpretor (via DefaultMessenger) to cout, so that they do not
+  // into the Tcl interpreter (via DefaultMessenger) to cout, so that they do not
   // contaminate result of the command
   Standard_CString aWarnLog = theDI.Result();
   if (aWarnLog != NULL && aWarnLog[0] != '\0')
@@ -13919,7 +13919,7 @@ vcolorscale name [-noupdate|-update] [-demo]
  -uniform    generate colors with the same lightness
  -textpos    horizontal label position relative to color scale bar
  -labelAtBorder vertical label position relative to color interval;
-             at border means the value inbetween neighbor intervals,
+             at border means the value in between neighbor intervals,
              at center means the center value within current interval
  -labels     set labels for all intervals
  -freeLabels same as -labels but does not require
@@ -13996,7 +13996,7 @@ vgrid [off] [-type {rect|circ}] [-mode {line|point}] [-origin X Y] [-rotAngle An
 
   addCmd("vpriviledgedplane", VPriviledgedPlane, /* [vpriviledgedplane] */ R"(
 vpriviledgedplane [Ox Oy Oz Nx Ny Nz [Xx Xy Xz]]
-Sets or prints viewer's priviledged plane geometry:
+Sets or prints viewer's privileged plane geometry:
   Ox, Oy, Oz - plane origin;
   Nx, Ny, Nz - plane normal direction;
   Xx, Xy, Xz - plane x-reference axis direction.

src/VrmlAPI/VrmlAPI_Writer.cxx

@@ -308,7 +308,7 @@ Standard_Boolean VrmlAPI_Writer::write_v1(const TopoDS_Shape&    aShape,
   TopTools_Array1OfShape Shapes(1, 1);
   Shapes.SetValue(1, aShape);
 
-  // Check shape tesselation
+  // Check shape tessellation
   TopExp_Explorer  anExp(aShape, TopAbs_FACE);
   TopLoc_Location  aLoc;
   Standard_Boolean hasTriangles = Standard_False;

src/VrmlConverter/VrmlConverter_ShadedShape.cxx

@@ -53,7 +53,7 @@ void VrmlConverter_ShadedShape::Add(Standard_OStream&                   anOStrea
   gp_Pnt           p;
   TopExp_Explorer  ex;
 
-  // counting phasis. This phasis will count the valid triangle
+  // counting phase. This phase will count the valid triangle
   // and the vertices to allocate the correct size for the arrays:
 
   Standard_Integer nbTriangles = 0, nbVertices = 0;

src/VrmlData/VrmlData_ShapeConvert.hxx

@@ -88,7 +88,7 @@ public:
                                const Standard_Real    theDeflection = 0.01,
                                const Standard_Real    theDeflAngle  = 20. * M_PI / 180.);
   // this value of theDeflAngle is used by default
-  // for tesselation while shading (Drawer->HLRAngle())
+  // for tessellation while shading (Drawer->HLRAngle())
 
   /**
    * Add all shapes start from given document with colors and names to the internal structure

src/XSControl/XSControl_FuncShape.cxx

@@ -762,7 +762,7 @@ static IFSelect_ReturnStatus XSControl_trimport(const Handle(IFSelect_SessionPil
   if (argc < 4)
   {
     sout << "Give : filename or . for current model;  varname or . to take fileroot\n  GiveList, * "
-            "for all transferrable roots"
+            "for all transferable roots"
          << std::endl;
     return IFSelect_RetError;
   }
@@ -807,7 +807,7 @@ static IFSelect_ReturnStatus XSControl_trimport(const Handle(IFSelect_SessionPil
   if (arg3[0] == '*' && arg3[1] == '\0')
   {
     list = WS->GiveList("xst-transferrable-roots");
-    sout << "All Transferrable Roots : ";
+    sout << "All Transferable Roots : ";
   }
   else
   {

src/XSControl/XSControl_Reader.hxx

@@ -103,7 +103,7 @@ public:
   Standard_EXPORT Handle(XSControl_WorkSession) WS() const;
 
   //! Loads a file and returns the read status
-  //! Zero for a Model which compies with the Controller
+  //! Zero for a Model which complies with the Controller
   Standard_EXPORT virtual IFSelect_ReturnStatus ReadFile(const Standard_CString filename);
 
   //! Loads a file from stream and returns the read status

src/XSDRAW/XSDRAW.hxx

@@ -223,7 +223,7 @@ public:
   Standard_EXPORT static Standard_Real GetLengthUnit(
     const Handle(TDocStd_Document)& theDoc = nullptr);
 
-  //! Returns avaliable work sessions with their associated files.
+  //! Returns available work sessions with their associated files.
   Standard_EXPORT static XSControl_WorkSessionMap& WorkSessionList();
 
   //! Binds session and name into map recursively.

src/math/math_BissecNewton.hxx

@@ -73,7 +73,7 @@ public:
 
   //! Prints on the stream o information on the current state
   //! of the object.
-  //! Is used to redifine the operator <<.
+  //! Is used to redefine the operator <<.
   Standard_EXPORT void Dump(Standard_OStream& o) const;
 
   //! Destructor

tests/bugs/moddata_3/bug23863

@@ -18,7 +18,7 @@ regexp {([-0-9.+eE]+)$} [dump d_val] full dist
 regexp { +Vertex +: +Min +[-0-9.+eE]+ +Max +([-0-9.+eE]+)} [ maxtolerance d ] full toler
 set good_dist 0
 if { [expr abs( ${dist} - ${good_dist} )] > ${toler} } {
-    puts "Faulty : the distanse is ${dist}. It is bad value"
+    puts "Faulty : the distance is ${dist}. It is bad value"
 }
 
 regexp { +Point 3D : +([-0-9.+eE]+), +([-0-9.+eE]+), +([-0-9.+eE]+)} [ dump d ] full x y z

tests/bugs/moddata_3/bug24068

@@ -21,17 +21,17 @@ set GOOD_DIST_1 2.0175535360778957e-14
 set log_1 [projponf f p_1 -min -t]
 regexp {proj dist = ([-0-9.+eE]+)} ${log_1} full distmax_1
 if { [expr abs(${distmax_1} - ${GOOD_DIST_1})] > ${CMP_TOL} } {
-   puts "Error: Wrong distanse (# 1)"
+   puts "Error: Wrong distance (# 1)"
 } else {
-   puts "OK: Good distanse (# 1)"
+   puts "OK: Good distance (# 1)"
 }
 
 distmini d_1 v_1 f
 set distmin_1 [dval d_1_val]
 if { [expr abs(${distmin_1} - ${GOOD_DIST_1})] > ${CMP_TOL} } {
-   puts "Error: Wrong minidistanse (# 1)"
+   puts "Error: Wrong minidistance (# 1)"
 } else {
-   puts "OK: Good minidistanse (# 1)"
+   puts "OK: Good minidistance (# 1)"
 }
 
 # 2
@@ -42,17 +42,17 @@ set GOOD_DIST_2 9.9491842071163076e-14
 set log_2 [projponf f p_2 -min -t]
 regexp {proj dist = ([-0-9.+eE]+)} ${log_2} full distmax_2
 if { [expr abs(${distmax_2} - ${GOOD_DIST_2})] > ${CMP_TOL} } {
-   puts "Error: Wrong distanse (# 2)"
+   puts "Error: Wrong distance (# 2)"
 } else {
-   puts "OK: Good distanse (# 2)"
+   puts "OK: Good distance (# 2)"
 }
 
 distmini d_2 v_2 f
 set distmin_2 [dval d_2_val]
 if { [expr abs(${distmin_2} - ${GOOD_DIST_2})] > ${CMP_TOL} } {
-   puts "Error: Wrong minidistanse (# 2)"
+   puts "Error: Wrong minidistance (# 2)"
 } else {
-   puts "OK: Good minidistanse (# 2)"
+   puts "OK: Good minidistance (# 2)"
 }
 
 # 3
@@ -63,15 +63,15 @@ set GOOD_DIST_3 2.8421709430404007e-14
 set log_3 [projponf f p_3 -min -t]
 regexp {proj dist = ([-0-9.+eE]+)} ${log_3} full distmax_3
 if { [expr abs(${distmax_3} - ${GOOD_DIST_3})] > ${CMP_TOL} } {
-   puts "Error: Wrong distanse (# 3)"
+   puts "Error: Wrong distance (# 3)"
 } else {
-   puts "OK: Good distanse (# 3)"
+   puts "OK: Good distance (# 3)"
 }
 
 distmini d_3 v_3 f
 set distmin_3 [dval d_3_val]
 if { [expr abs(${distmin_3} - ${GOOD_DIST_3})] > ${CMP_TOL} } {
-   puts "Error: Wrong minidistanse (# 3)"
+   puts "Error: Wrong minidistance (# 3)"
 } else {
-   puts "OK: Good minidistanse (# 3)"
+   puts "OK: Good minidistance (# 3)"
 }

tests/opengl/data/geom/geom1

@@ -11,7 +11,7 @@ void main() {
   gl_Position = occVertex;
 }"
 
-# define a Geometry shader drawing shrinked triangles
+# define a Geometry shader drawing shrunken triangles
 set aShaderGeom "
 layout(triangles) in;
 layout(triangle_strip, max_vertices=3) out;

tools/ViewControl/ViewControl_ColorSelector.cxx

@@ -256,7 +256,7 @@ public:
     return QVariant();
   }
 
-  //! Returns number of tree level line items = colums in table view
+  //! Returns number of tree level line items = columns in table view
   virtual int columnCount(const QModelIndex& theParent = QModelIndex()) const Standard_OVERRIDE
   {
     (void)theParent;

tools/ViewControl/ViewControl_TableModel.hxx

@@ -31,7 +31,7 @@
 //! \class ViewControl_TableModel
 //! \brief This is an extension of table model to visualize a container of values
 //! It is possible to:
-//! - set orientation to interpretate the values.
+//! - set orientation to interpret the values.
 //! - set table view header values.
 //! Items of the view are enabled and selectable.
 class ViewControl_TableModel : public QAbstractTableModel