DOC: Fix typos in Modules/Core subdirectory

Found via `codespell -q 3 -S ./Modules/ThirdParty,./Documentation/ReleaseNotes -L ans,ba,childrens,developpement,dum,fiter,inout,ist,nd,ot,serie,te,unser ./Modules`
Update Modules/Core/Common/test/itkCommandObserverObjectTest.cxx

Co-authored-by: Dženan Zukić <dzenan.zukic@kitware.com>

Modules/Core/Common/include/itkAnnulusOperator.h

@@ -177,7 +177,7 @@ class ITK_TEMPLATE_EXPORT AnnulusOperator : public NeighborhoodOperator<TPixel,
 
   /** If Normalize is off, the interior to annulus, the
    * annulus (region between the two circles), and the region exterior to the
-   * annulus to be defined manually.  Defauls are 0, 1, 0
+   * annulus to be defined manually.  Defaults are 0, 1, 0
    * respectively. */
   void
   SetInteriorValue(TPixel v)

Modules/Core/Common/include/itkConstShapedNeighborhoodIterator.h

@@ -112,7 +112,7 @@ class ITK_TEMPLATE_EXPORT ConstShapedNeighborhoodIterator : private Neighborhood
   /** Typedef for generic boundary condition pointer */
   using ImageBoundaryConditionPointerType = ImageBoundaryCondition<ImageType> *;
 
-  /** Const Interator */
+  /** Const Iterator */
   struct ConstIterator
   {
     ConstIterator() { m_NeighborhoodIterator = nullptr; }

Modules/Core/Common/include/itkEllipsoidInteriorExteriorSpatialFunction.h

@@ -91,7 +91,7 @@ class ITK_TEMPLATE_EXPORT EllipsoidInteriorExteriorSpatialFunction
   /** The center of the ellipsoid. */
   InputType m_Center;
 
-  /** The axes lenths of the ellipsoid. */
+  /** The axes lengths of the ellipsoid. */
   InputType m_Axes;
 
   /** The orientation vectors (must be orthogonal) of the ellipsoid axes. */

Modules/Core/Common/include/itkEventObject.h

@@ -154,7 +154,7 @@ operator<<(std::ostream & os, const EventObject & e)
   static_assert(true, "Compile time eliminated. Used to require a semi-colon at end of macro.")
 
 #if !defined(ITK_LEGACY_REMOVE)
-// Suppport Pre 2015 code bases
+// Support Pre 2015 code bases
 
 // This macro duplicates some of the declaration and definition
 // macro code. The purpose is to provide a backward compatibility API

Modules/Core/Common/include/itkExtractImageFilter.h

@@ -79,7 +79,7 @@ extern ITKCommon_EXPORT std::ostream &
  * starting index value provided in the ExtractRegion parameter.  If you are
  * looking for a filter that will re-compute the origin of the output image,
  * and provide an output image region whose index is set to zeros, then you may
- * want to use the RegionOfInterestImageFilter.  The output spacing is is
+ * want to use the RegionOfInterestImageFilter.  The output spacing is
  * simply the collapsed version of the input spacing.
  *
  * Determining the direction of the collapsed output image from an larger

Modules/Core/Common/include/itkGaussianDerivativeOperator.h

@@ -69,7 +69,7 @@ extern ITKCommon_EXPORT std::ostream &
  *     it performs only smoothing as a standard itk::GaussianOperator)
  *
  * (3) The "maximum error" allowed in the discrete Gaussian
- * function.  "Maximum errror" is defined as the difference between the area
+ * function.  "Maximum error" is defined as the difference between the area
  * under the discrete Gaussian curve and the area under the continuous
  * Gaussian. Maximum error affects the Gaussian operator size. Care should
  * be taken not to make this value too small relative to the variance

Modules/Core/Common/include/itkGaussianOperator.h

@@ -39,7 +39,7 @@ namespace itk
  * (1) The floating-point variance of the desired Gaussian function.
  *
  * (2) The "maximum error" allowed in the discrete Gaussian
- * function.  "Maximum errror" is defined as the difference between the area
+ * function.  "Maximum error" is defined as the difference between the area
  * under the discrete Gaussian curve and the area under the continuous
  * Gaussian. Maximum error affects the Gaussian operator size. Care should
  * be taken not to make this value too small relative to the variance

Modules/Core/Common/include/itkImageBase.h

@@ -93,7 +93,7 @@ namespace itk
  *
  * ImageBase also provides helper routines for the ImageIterators
  * which convert an Index to an offset in memory from the first pixel
- * address as well as covert an offset in memory from the first pixel
+ * address as well as convert an offset in memory from the first pixel
  * address to an Index.
  *
  * \ingroup ImageObjects
@@ -199,7 +199,7 @@ class ITK_TEMPLATE_EXPORT ImageBase : public DataObject
    * (0.5, 0.866)
    *
    * The columns of the Direction matrix are expected to form an
-   * orthogonal right handed coordinate syste.  But this is not
+   * orthogonal right handed coordinate system.  But this is not
    * checked nor enforced in itk::ImageBase.
    *
    * For details, please see:
@@ -723,7 +723,7 @@ class ITK_TEMPLATE_EXPORT ImageBase : public DataObject
 
   /** UpdateOutputData() is part of the pipeline infrastructure to
    * communicate between ProcessObjects and DataObjects. The method of
-   * the superclass is overriden to check if the requested image
+   * the superclass is overridden to check if the requested image
    * region has zero pixels. This is needed so that filters can set an
    * input's requested region to zero, to indicate that it does not
    * need to be updated or executed.

Modules/Core/Common/include/itkImageBase.hxx

@@ -249,7 +249,7 @@ ImageBase<VImageDimension>::UpdateOutputData()
 {
   // If the requested region does not contain any pixels then there is
   // no reason to Update the output data. This is needed so that
-  // filters don't need to update all inputs. This occours in
+  // filters don't need to update all inputs. This occurs in
   // ImageBase as  oppose to DataObject, but cause this statement
   // requires the specific GetNumberOfPixels methods ( as oppose to a
   // generic Region::IsEmpty method ).

Modules/Core/Common/include/itkImageIORegion.h

@@ -162,7 +162,7 @@ class ITKCommon_EXPORT ImageIORegion : public Region
   bool
   IsInside(const IndexType & index) const;
 
-  /** Test if a region (the argument) is completly inside of this region */
+  /** Test if a region (the argument) is completely inside of this region */
   bool
   IsInside(const Self & region) const;
 

Modules/Core/Common/include/itkImageRegionConstIterator.hxx

@@ -89,7 +89,7 @@ ImageRegionConstIterator<TImage>::Decrement()
   const typename ImageIterator<TImage>::IndexType & startIndex = this->m_Region.GetIndex();
   const typename ImageIterator<TImage>::SizeType &  size = this->m_Region.GetSize();
 
-  // Deccrement along a row, then wrap at the beginning of the region row.
+  // Decrement along a row, then wrap at the beginning of the region row.
 
   // Check to see if we are past the first pixel in the region
   // Note that --ind[0] moves to the previous pixel along the row.

Modules/Core/Common/include/itkImageRegionExclusionConstIteratorWithIndex.h

@@ -185,7 +185,7 @@ class ITK_TEMPLATE_EXPORT ImageRegionExclusionConstIteratorWithIndex : public Im
 
   /** Method to define the Exclusion region. The iterator will skip pixels
    * inside this region.
-   * \warning The exclusion region must be completly contained inside the
+   * \warning The exclusion region must be completely contained inside the
    * normal region used to construct the iterator. A border of at least one
    * pixel should exist between the normal region and the exclusion region.
    */

Modules/Core/Common/include/itkImageRegionReverseConstIterator.h

@@ -265,7 +265,7 @@ class ITK_TEMPLATE_EXPORT ImageRegionReverseConstIterator : public ImageReverseC
       const typename ImageConstIterator<TImage>::IndexType & startIndex = this->m_Region.GetIndex();
       const typename ImageConstIterator<TImage>::SizeType &  size = this->m_Region.GetSize();
 
-      // Deccrement along a row, then wrap at the beginning of the region row.
+      // Decrement along a row, then wrap at the beginning of the region row.
       bool         done;
       unsigned int dim;
 

Modules/Core/Common/include/itkImageSource.hxx

@@ -210,7 +210,7 @@ template <typename TOutputImage>
 void
 ImageSource<TOutputImage>::GenerateData()
 {
-  // Call a method that can be overriden by a subclass to allocate
+  // Call a method that can be overridden by a subclass to allocate
   // memory for the filter's outputs
   this->AllocateOutputs();
 

Modules/Core/Common/include/itkImageVectorOptimizerParametersHelper.h

@@ -54,7 +54,7 @@ class ITK_TEMPLATE_EXPORT ImageVectorOptimizerParametersHelper : public Optimize
 
   /** Set a new data pointer for *both* the Array and parameter image,
    * pointing both to a different memory block.
-   * The size of the new memroy block must be the same as current size of
+   * The size of the new memory block must be the same as current size of
    * Array and the parameter image's buffer, in elements of TValue.
    * Memory must be managed by caller afterwards. */
   void

Modules/Core/Common/include/itkIndexRange.h

@@ -404,7 +404,7 @@ class IndexRange final
   empty() const noexcept
   {
     // When an IndexRange is empty, each index value of m_MaxIndex is less than the corresponding
-    // index value of m_MinIndex. And vise versa: when an IndexRange is non-empty, each index value
+    // index value of m_MinIndex. And vice versa: when an IndexRange is non-empty, each index value
     // of m_MaxIndex is greater than or equal to the corresponding index value of m_MinIndex.
     // Note that the range contains one element when m_MaxIndex == m_MinIndex.
     return m_MaxIndex[0] < m_MinIndex[0];

Modules/Core/Common/include/itkLaplacianOperator.hxx

@@ -42,7 +42,7 @@ LaplacianOperator<TPixel, VDimension, TAllocator>::CreateOperator()
   this->Fill(coefficients);
 }
 
-// This function fills the coefficients into the corresponding neighborhodd.
+// This function fills the coefficients into the corresponding neighborhood.
 template <typename TPixel, unsigned int VDimension, typename TAllocator>
 void
 LaplacianOperator<TPixel, VDimension, TAllocator>::Fill(const CoefficientVector & coeff)

Modules/Core/Common/include/itkMacro.h

@@ -31,7 +31,7 @@
  * to interface to instance variables in a standard fashion. For example,
  * these macros manage modified time, debugging information, and provide a
  * standard interface to set and get instance variables.  Macros are
- * available for built-in types; for string classe; vector arrays;
+ * available for built-in types; for string classes; vector arrays;
  * object pointers; and debug, warning, and error printout information.
  */
 

Modules/Core/Common/include/itkMath.h

@@ -47,7 +47,7 @@ namespace Math
 // These constants originate from VXL's vnl_math.h. They have been
 // moved here to improve visibility, and to ensure that the constants
 // are available during compile time ( as opposed to static ITK_CONSTEXPR
-// member vaiables ).
+// member variables ).
 
 
 /** \brief \f[e\f] The base of the natural logarithm or Euler's number */

Modules/Core/Common/include/itkMetaDataDictionary.h

@@ -117,7 +117,7 @@ class ITKCommon_EXPORT MetaDataDictionary
   std::vector<std::string>
   GetKeys() const;
 
-  // Implement map's api. On some Micorsoft compilers, stl containers
+  // Implement map's api. On some Microsoft compilers, stl containers
   // cannot be exported. This causes problems when building DLL's.
   // Here we inherit privately from std::map and provide a simple
   // API. The implementation will be in the DLL.

Modules/Core/Common/include/itkMetaDataObject.h

@@ -216,7 +216,7 @@ class ITK_TEMPLATE_EXPORT MetaDataObject : public MetaDataObjectBase
  * \param Dictionary TODO
  * \param key TODO
  * \param invalue the value of type T that is to be encapsulated.
- * \return A smartpointer ot a MetaDataObject that is suitable for
+ * \return A smartpointer to a MetaDataObject that is suitable for
  * insertion into a MetaDataDictionary.
  */
 template <typename T>

Modules/Core/Common/include/itkObjectFactoryBase.h

@@ -41,7 +41,7 @@ namespace itk
  *
  * ObjectFactoryBase is used to create itk objects. The base class
  * ObjectFactoryBase contains a static method CreateInstance() that is
- * used to create itk objects from the list of registerd ObjectFactoryBase
+ * used to create itk objects from the list of registered ObjectFactoryBase
  * sub-classes.  The first time CreateInstance() is called, all dll's or
  * shared libraries in the environment variable ITK_AUTOLOAD_PATH are loaded
  * into the current process.  The C function itkLoad is called on each dll.

Modules/Core/Common/include/itkPoint.h

@@ -236,7 +236,7 @@ class ITK_TEMPLATE_EXPORT Point : public FixedArray<TCoordRep, VPointDimension>
                           +  (1-w_1-w_2 ) * \overrightarrow{P}_3
    * \f]
    *
-   * If the two weight are \f$ \in [0,1] \f$ , The resulting point will alway be placed
+   * If the two weight are \f$ \in [0,1] \f$ , The resulting point will always be placed
    * inside the triangle formed by the three points given as arguments. */
   void
   SetToBarycentricCombination(const Self & A, const Self & B, const Self & C, double weightForA, double weightForB);

Modules/Core/Common/include/itkPolygonCell.hxx

@@ -222,7 +222,7 @@ PolygonCell<TCellInterface>::RemovePointId(PointIdentifier ptID)
 }
 
 /**
- * clear all the point and edge informations
+ * clear all the point and edge information
  */
 template <typename TCellInterface>
 void

Modules/Core/Common/include/itkRGBAPixel.h

@@ -102,7 +102,7 @@ class ITK_TEMPLATE_EXPORT RGBAPixel : public FixedArray<TComponent, 4>
   RGBAPixel &
   operator=(const ComponentType r[4]);
 
-  /** Aritmetic operations between pixels. Return a new RGBAPixel. */
+  /** Arithmetic operations between pixels. Return a new RGBAPixel. */
   Self
   operator+(const Self & r) const;
   Self

Modules/Core/Common/include/itkRGBPixel.h

@@ -112,7 +112,7 @@ class ITK_TEMPLATE_EXPORT RGBPixel : public FixedArray<TComponent, 3>
   Self &
   operator=(const ComponentType r[3]);
 
-  /** Aritmetic operations between pixels. Return a new RGBPixel. */
+  /** Arithmetic operations between pixels. Return a new RGBPixel. */
   Self
   operator+(const Self & r) const;
   Self

Modules/Core/Common/include/itkRealTimeClock.h

@@ -50,7 +50,7 @@ class ITKCommon_EXPORT RealTimeClock : public Object
   /** Method for creation through the object factory */
   itkNewMacro(Self);
 
-  /** Define the type for the timestap */
+  /** Define the type for the timestamp */
   using TimeStampType = double;
 
   /** Define the type for the frequency of the clock */

Modules/Core/Common/include/itkSize.h

@@ -33,7 +33,7 @@ namespace itk
  * \brief Represent a n-dimensional size (bounds) of a n-dimensional image.
  *
  * Size is a templated class to represent multi-dimensional array bounds,
- * i.e. (I,J,K,...).  Size is templated over teh dimension of the bounds.
+ * i.e. (I,J,K,...).  Size is templated over the dimension of the bounds.
  * ITK assumes the first element of a size (bounds) is the fastest moving index.
  *
  * For efficiency, Size does not define a default constructor, a

Modules/Core/Common/include/itkSmapsFileParser.hxx

@@ -47,7 +47,7 @@ MapFileParser<TMapDataType>::GetHeapUsage() -> MemoryLoadType
 {
   if (m_MapData.Empty())
   {
-    std::cerr << "Read a map file before quering memory usage";
+    std::cerr << "Read a map file before querying memory usage";
   }
   return m_MapData.GetHeapUsage();
 }
@@ -58,7 +58,7 @@ MapFileParser<TMapDataType>::GetStackUsage() -> MemoryLoadType
 {
   if (m_MapData.Empty())
   {
-    std::cerr << "Read a map file before quering memory usage";
+    std::cerr << "Read a map file before querying memory usage";
   }
   return m_MapData.GetStackUsage();
 }
@@ -69,7 +69,7 @@ MapFileParser<TMapDataType>::GetTotalMemoryUsage() -> MemoryLoadType
 {
   if (m_MapData.Empty())
   {
-    std::cerr << "Read a map file before quering memory usage";
+    std::cerr << "Read a map file before querying memory usage";
   }
   return m_MapData.GetTotalMemoryUsage();
 }
@@ -80,7 +80,7 @@ MapFileParser<TMapDataType>::GetMemoryUsage(const char * filter, const char * to
 {
   if (m_MapData.Empty())
   {
-    std::cerr << "Read a map file before quering memory usage";
+    std::cerr << "Read a map file before querying memory usage";
   }
   return m_MapData.GetMemoryUsage(filter, token);
 }

Modules/Core/Common/include/itkStoppingCriterionBase.h

@@ -49,7 +49,7 @@ class ITKCommon_EXPORT StoppingCriterionBase : public Object
 
   /** \return \c true if the stopping criterion is reached (and the algorithm
   must stop).
-      \return \c fasle else. */
+      \return \c false else. */
   virtual bool
   IsSatisfied() const = 0;
   virtual std::string

Modules/Core/Common/include/itkStreamingImageFilter.hxx

@@ -122,7 +122,7 @@ StreamingImageFilter<TInputImage, TOutputImage>::UpdateOutputData(DataObject * i
   }
 
   /**
-   * Tell all Observers that the filter is starting, before emiting
+   * Tell all Observers that the filter is starting, before emitting
    * the 0.0 Progress event
    */
   this->InvokeEvent(StartEvent());

Modules/Core/Common/include/itkSymmetricEigenAnalysis.h

@@ -595,7 +595,7 @@ class ITK_TEMPLATE_EXPORT SymmetricEigenAnalysis
   }
 
 
-  /* Implementation detail using EigenLib that do not peform a copy.
+  /* Implementation detail using EigenLib that do not perform a copy.
    * It needs the existence of a pointer to matrix data. \sa GetPointerToMatrixData
    * If new types want to use this method, an appropriate overload of GetPointerToMatrixData
    * should be included.
@@ -698,7 +698,7 @@ class ITK_TEMPLATE_EXPORT SymmetricEigenAnalysis
     return 1;
   }
 
-  /* Implementation detail using EigenLib that do not peform a copy.
+  /* Implementation detail using EigenLib that do not perform a copy.
    * It needs the existence of a pointer to matrix data. \sa GetPointerToMatrixData
    * If new types want to use this method, an appropriate overload of GetPointerToMatrixData
    * should be included.
@@ -890,7 +890,7 @@ class ITK_TEMPLATE_EXPORT SymmetricEigenAnalysisFixedDimension
     return QMatrix::ValueType();
   }
 
-  /* Implementation detail using EigenLib that do not peform a copy.
+  /* Implementation detail using EigenLib that do not perform a copy.
    * It needs the existence of a pointer to matrix data. \sa GetPointerToMatrixData
    * If new types want to use this method, an appropriate overload of GetPointerToMatrixData
    * should be included.
@@ -1048,7 +1048,7 @@ class ITK_TEMPLATE_EXPORT SymmetricEigenAnalysisFixedDimension
     return 1;
   }
 
-  /* Implementation detail using EigenLib that do not peform a copy.
+  /* Implementation detail using EigenLib that do not perform a copy.
    * It needs the existence of a pointer to matrix data. \sa GetPointerToMatrixData
    * If new types want to use this method, an appropriate overload of GetPointerToMatrixData
    * should be included.

Modules/Core/Common/include/itkSymmetricSecondRankTensor.h

@@ -137,7 +137,7 @@ class ITK_TEMPLATE_EXPORT SymmetricSecondRankTensor : public FixedArray<TCompone
   Self &
   operator=(const ComponentArrayType r);
 
-  /** Aritmetic operations between pixels. Return a new
+  /** Arithmetic operations between pixels. Return a new
     SymmetricSecondRankTensor. */
   Self
   operator+(const Self & r) const;

Modules/Core/Common/include/itkSymmetricSecondRankTensor.hxx

@@ -34,7 +34,7 @@ SymmetricSecondRankTensor<T, VDimension>::operator=(const ComponentType & r)
 }
 
 /**
- * Assigment from a plain array
+ * Assignment from a plain array
  */
 template <typename T, unsigned int VDimension>
 SymmetricSecondRankTensor<T, VDimension> &

Modules/Core/Common/include/itkTimeStamp.h

@@ -70,7 +70,7 @@ class ITKCommon_EXPORT TimeStamp
   static Self *
   New();
 
-  /** Destoy this instance. */
+  /** Destroy this instance. */
   void
   Delete()
   {

Modules/Core/Common/include/itkVariableLengthVector.h

@@ -1202,7 +1202,7 @@ struct VariableLengthVectorExpression
     : m_lhs(lhs)
     , m_rhs(rhs)
   {
-    // Not neccessary actually as end-user/developer is not expected to
+    // Not necessary actually as end-user/developer is not expected to
     // provide new BinaryOperations
     static_assert(std::is_base_of<Details::op::BinaryOperationConcept, TBinaryOp>::value,
                   "The Binary Operation shall inherit from BinaryOperationConcept");