STYLE: Prefer explicit const designation

Examples/DataRepresentation/Image/Image2.cxx

@@ -137,7 +137,7 @@ main(int, char * argv[])
   // Software Guide : EndLatex
 
   // Software Guide : BeginCodeSnippet
-  ImageType::Pointer image = reader->GetOutput();
+  const ImageType::Pointer image = reader->GetOutput();
   // Software Guide : EndCodeSnippet
 
   // Software Guide : BeginLatex

Examples/DataRepresentation/Image/Image3.cxx

@@ -99,7 +99,7 @@ main(int, char *[])
   // Software Guide : EndLatex
 
   // Software Guide : BeginCodeSnippet
-  ImageType::PixelType pixelValue = image->GetPixel(pixelIndex);
+  const ImageType::PixelType pixelValue = image->GetPixel(pixelIndex);
   // Software Guide : EndCodeSnippet
 
   // Software Guide : BeginLatex

Examples/DataRepresentation/Image/Image4.cxx

@@ -459,7 +459,7 @@ main(int, char *[])
   LeftEyeIndexVector[1] = LeftEyeIndex[1];
   LeftEyeIndexVector[2] = LeftEyeIndex[2];
 
-  ImageType::PointType LeftEyePointByHand =
+  const ImageType::PointType LeftEyePointByHand =
     ImageOrigin + ImageDirectionCosines * SpacingMatrix * LeftEyeIndexVector;
   // Software Guide : EndCodeSnippet
 

Examples/DataRepresentation/Image/ImageAdaptor1.cxx

@@ -162,7 +162,7 @@ main(int argc, char * argv[])
   it.GoToBegin();
   while (!it.IsAtEnd())
   {
-    float value = it.Get();
+    const float value = it.Get();
     sum += value;
     ++it;
   }

Examples/DataRepresentation/Image/RGBImage.cxx

@@ -88,7 +88,7 @@ main(int, char * argv[])
   reader->SetFileName(filename);
   reader->Update();
 
-  ImageType::Pointer         image = reader->GetOutput();
+  const ImageType::Pointer   image = reader->GetOutput();
   const ImageType::IndexType pixelIndex = { { 25, 35, 0 } };
 
   // Software Guide : BeginLatex

Examples/DataRepresentation/Image/VectorImage.cxx

@@ -127,7 +127,7 @@ main(int, char *[])
 
   // The GetPixel method can also be used to read Vectors
   // pixels from the image
-  ImageType::PixelType value = image->GetPixel(pixelIndex);
+  const ImageType::PixelType value = image->GetPixel(pixelIndex);
 
   std::cout << value << std::endl;
 

Examples/DataRepresentation/Mesh/AutomaticMesh.cxx

@@ -200,7 +200,7 @@ main(int, char *[])
   //
   //  Software Guide : EndLatex
 
-  MeshType::Pointer mesh = meshSource->GetOutput();
+  const MeshType::Pointer mesh = meshSource->GetOutput();
   std::cout << mesh << std::endl;
 
   //  Software Guide : BeginLatex

Examples/DataRepresentation/Mesh/Mesh1.cxx

@@ -218,12 +218,12 @@ main(int, char *[])
   //  Software Guide : EndLatex
 
   // Software Guide : BeginCodeSnippet
-  PointsIterator end = mesh->GetPoints()->End();
+  const PointsIterator end = mesh->GetPoints()->End();
   while (pointIterator != end)
   {
-    MeshType::PointType p = pointIterator.Value(); // access the point
-    std::cout << p << std::endl;                   // print the point
-    ++pointIterator;                               // advance to next point
+    const MeshType::PointType p = pointIterator.Value(); // access the point
+    std::cout << p << std::endl;                         // print the point
+    ++pointIterator; // advance to next point
   }
   // Software Guide : EndCodeSnippet
 

Examples/DataRepresentation/Mesh/Mesh2.cxx

@@ -294,8 +294,8 @@ main(int, char *[])
   //  Software Guide : EndLatex
 
   // Software Guide : BeginCodeSnippet
-  CellIterator cellIterator = mesh->GetCells()->Begin();
-  CellIterator end = mesh->GetCells()->End();
+  CellIterator       cellIterator = mesh->GetCells()->Begin();
+  const CellIterator end = mesh->GetCells()->End();
   // Software Guide : EndCodeSnippet
 
 

Examples/DataRepresentation/Mesh/Mesh3.cxx

@@ -218,8 +218,8 @@ main(int, char *[])
   //  Software Guide : EndLatex
 
   // Software Guide : BeginCodeSnippet
-  CellDataIterator cellDataIterator = mesh->GetCellData()->Begin();
-  CellDataIterator end = mesh->GetCellData()->End();
+  CellDataIterator       cellDataIterator = mesh->GetCellData()->Begin();
+  const CellDataIterator end = mesh->GetCellData()->End();
   // Software Guide : EndCodeSnippet
 
 
@@ -238,7 +238,7 @@ main(int, char *[])
   // Software Guide : BeginCodeSnippet
   while (cellDataIterator != end)
   {
-    PixelType cellValue = cellDataIterator.Value();
+    const PixelType cellValue = cellDataIterator.Value();
     std::cout << cellValue << std::endl;
     ++cellDataIterator;
   }

Examples/DataRepresentation/Mesh/MeshKComplex.cxx

@@ -331,8 +331,8 @@ main(int, char *[])
 
   // Software Guide : BeginCodeSnippet
   using PointIterator = MeshType::PointsContainer::ConstIterator;
-  PointIterator pointIterator = mesh->GetPoints()->Begin();
-  PointIterator pointEnd = mesh->GetPoints()->End();
+  PointIterator       pointIterator = mesh->GetPoints()->Begin();
+  const PointIterator pointEnd = mesh->GetPoints()->End();
 
   while (pointIterator != pointEnd)
   {
@@ -602,7 +602,8 @@ main(int, char *[])
   for (unsigned int b0 = 0; b0 < n0; ++b0)
   {
     MeshType::CellIdentifier id;
-    bool found = mesh->GetBoundaryAssignment(dimension, cellId, b0, &id);
+    const bool               found =
+      mesh->GetBoundaryAssignment(dimension, cellId, b0, &id);
     if (found)
       std::cout << id << std::endl;
   }
@@ -613,7 +614,8 @@ main(int, char *[])
   for (unsigned int b1 = 0; b1 < n1; ++b1)
   {
     MeshType::CellIdentifier id;
-    bool found = mesh->GetBoundaryAssignment(dimension, cellId, b1, &id);
+    const bool               found =
+      mesh->GetBoundaryAssignment(dimension, cellId, b1, &id);
     if (found)
     {
       std::cout << id << std::endl;
@@ -625,7 +627,8 @@ main(int, char *[])
   for (unsigned int b2 = 0; b2 < n2; ++b2)
   {
     MeshType::CellIdentifier id;
-    bool found = mesh->GetBoundaryAssignment(dimension, cellId, b2, &id);
+    const bool               found =
+      mesh->GetBoundaryAssignment(dimension, cellId, b2, &id);
     if (found)
     {
       std::cout << id << std::endl;
@@ -657,7 +660,8 @@ main(int, char *[])
   for (unsigned int b1 = 0; b1 < n1; ++b1)
   {
     MeshType::CellIdentifier id;
-    bool found = mesh->GetBoundaryAssignment(dimension, cellId, b1, &id);
+    const bool               found =
+      mesh->GetBoundaryAssignment(dimension, cellId, b1, &id);
     if (found)
     {
       std::cout << id << std::endl;

Examples/DataRepresentation/Mesh/MeshPolyLine.cxx

@@ -207,8 +207,8 @@ main(int, char *[])
 
   // Software Guide : BeginCodeSnippet
   using PointIterator = MeshType::PointsContainer::ConstIterator;
-  PointIterator pointIterator = mesh->GetPoints()->Begin();
-  PointIterator pointEnd = mesh->GetPoints()->End();
+  PointIterator       pointIterator = mesh->GetPoints()->Begin();
+  const PointIterator pointEnd = mesh->GetPoints()->End();
 
   while (pointIterator != pointEnd)
   {

Examples/DataRepresentation/Mesh/MeshTraits.cxx

@@ -216,7 +216,7 @@ main(int, char *[])
   // Software Guide : BeginCodeSnippet
   for (unsigned int cellId = 0; cellId < numberOfCells; ++cellId)
   {
-    CellDataType value;
+    const CellDataType value;
     mesh->SetCellData(cellId, value);
   }
 
@@ -278,8 +278,8 @@ main(int, char *[])
   //  Software Guide : EndLatex
 
   // Software Guide : BeginCodeSnippet
-  CellDataIterator cellDataIterator = mesh->GetCellData()->Begin();
-  CellDataIterator end = mesh->GetCellData()->End();
+  CellDataIterator       cellDataIterator = mesh->GetCellData()->Begin();
+  const CellDataIterator end = mesh->GetCellData()->End();
   // Software Guide : EndCodeSnippet
 
 
@@ -299,7 +299,7 @@ main(int, char *[])
   // Software Guide : BeginCodeSnippet
   while (cellDataIterator != end)
   {
-    CellDataType cellValue = cellDataIterator.Value();
+    const CellDataType cellValue = cellDataIterator.Value();
     std::cout << cellValue << std::endl;
     ++cellDataIterator;
   }

Examples/DataRepresentation/Mesh/PointSet1.cxx

@@ -195,8 +195,8 @@ main(int, char *[])
   //  Software Guide : EndLatex
 
   // Software Guide : BeginCodeSnippet
-  PointType pp;
-  bool      pointExists = pointsSet->GetPoint(1, &pp);
+  PointType  pp;
+  const bool pointExists = pointsSet->GetPoint(1, &pp);
 
   if (pointExists)
   {

Examples/DataRepresentation/Mesh/PointSet2.cxx

@@ -149,7 +149,7 @@ main(int, char *[])
 
 
   // Software Guide : BeginCodeSnippet
-  PointsContainer::Pointer points2 = pointSet->GetPoints();
+  const PointsContainer::Pointer points2 = pointSet->GetPoints();
   // Software Guide : EndCodeSnippet
 
 
@@ -204,12 +204,12 @@ main(int, char *[])
   //  Software Guide : EndLatex
 
   // Software Guide : BeginCodeSnippet
-  PointsIterator end = points->End();
+  const PointsIterator end = points->End();
   while (pointIterator != end)
   {
-    PointType p = pointIterator.Value(); // access the point
-    std::cout << p << std::endl;         // print the point
-    ++pointIterator;                     // advance to next point
+    const PointType p = pointIterator.Value(); // access the point
+    std::cout << p << std::endl;               // print the point
+    ++pointIterator;                           // advance to next point
   }
   // Software Guide : EndCodeSnippet
 

Examples/DataRepresentation/Mesh/PointSet3.cxx

@@ -156,8 +156,8 @@ main(int, char *[])
   // Software Guide : BeginCodeSnippet
   unsigned int pointId = 0;
 
-  PixelType value0 = 34;
-  PixelType value1 = 67;
+  const PixelType value0 = 34;
+  const PixelType value1 = 67;
 
   pointData->InsertElement(pointId++, value0);
   pointData->InsertElement(pointId++, value1);
@@ -190,7 +190,7 @@ main(int, char *[])
   //  Software Guide : EndLatex
 
   // Software Guide : BeginCodeSnippet
-  PointDataContainer::Pointer pointData2 = pointSet->GetPointData();
+  const PointDataContainer::Pointer pointData2 = pointSet->GetPointData();
   // Software Guide : EndCodeSnippet
 
 
@@ -243,12 +243,12 @@ main(int, char *[])
   //  Software Guide : EndLatex
 
   // Software Guide : BeginCodeSnippet
-  PointDataIterator end = pointData2->End();
+  const PointDataIterator end = pointData2->End();
   while (pointDataIterator != end)
   {
-    PixelType p = pointDataIterator.Value(); // access the pixel data
-    std::cout << p << std::endl;             // print the pixel data
-    ++pointDataIterator;                     // advance to next pixel/point
+    const PixelType p = pointDataIterator.Value(); // access the pixel data
+    std::cout << p << std::endl;                   // print the pixel data
+    ++pointDataIterator; // advance to next pixel/point
   }
   // Software Guide : EndCodeSnippet
 

Examples/DataRepresentation/Mesh/PointSetWithCovariantVectors.cxx

@@ -139,8 +139,8 @@ main(int, char *[])
 
   // Software Guide : BeginCodeSnippet
   using PointDataIterator = PointSetType::PointDataContainer::ConstIterator;
-  PointDataIterator pixelIterator = pointSet->GetPointData()->Begin();
-  PointDataIterator pixelEnd = pointSet->GetPointData()->End();
+  PointDataIterator       pixelIterator = pointSet->GetPointData()->Begin();
+  const PointDataIterator pixelEnd = pointSet->GetPointData()->End();
 
   using PointIterator = PointSetType::PointsContainer::Iterator;
   PointIterator pointIterator = pointSet->GetPoints()->Begin();

Examples/DataRepresentation/Mesh/PointSetWithVectors.cxx

@@ -133,8 +133,8 @@ main(int, char *[])
 
   // Software Guide : BeginCodeSnippet
   using PointDataIterator = PointSetType::PointDataContainer::ConstIterator;
-  PointDataIterator pixelIterator = pointSet->GetPointData()->Begin();
-  PointDataIterator pixelEnd = pointSet->GetPointData()->End();
+  PointDataIterator       pixelIterator = pointSet->GetPointData()->Begin();
+  const PointDataIterator pixelEnd = pointSet->GetPointData()->End();
 
   using PointIterator = PointSetType::PointsContainer::Iterator;
   PointIterator pointIterator = pointSet->GetPoints()->Begin();

Examples/DataRepresentation/Mesh/RGBPointSet.cxx

@@ -108,8 +108,8 @@ main(int, char *[])
 
   // Software Guide : BeginCodeSnippet
   using PointIterator = PointSetType::PointsContainer::ConstIterator;
-  PointIterator pointIterator = pointSet->GetPoints()->Begin();
-  PointIterator pointEnd = pointSet->GetPoints()->End();
+  PointIterator       pointIterator = pointSet->GetPoints()->Begin();
+  const PointIterator pointEnd = pointSet->GetPoints()->End();
   while (pointIterator != pointEnd)
   {
     point = pointIterator.Value();
@@ -142,8 +142,8 @@ main(int, char *[])
 
   // Software Guide : BeginCodeSnippet
   using PointDataIterator = PointSetType::PointDataContainer::ConstIterator;
-  PointDataIterator pixelIterator = pointSet->GetPointData()->Begin();
-  PointDataIterator pixelEnd = pointSet->GetPointData()->End();
+  PointDataIterator       pixelIterator = pointSet->GetPointData()->Begin();
+  const PointDataIterator pixelEnd = pointSet->GetPointData()->End();
   while (pixelIterator != pixelEnd)
   {
     pixel = pixelIterator.Value();

Examples/DataRepresentation/Path/PolyLineParametricPath1.cxx

@@ -84,8 +84,8 @@ main(int argc, char * argv[])
   }
 
   // Software Guide : BeginCodeSnippet
-  ImageType::ConstPointer image = reader->GetOutput();
-  auto                    path = PathType::New();
+  const ImageType::ConstPointer image = reader->GetOutput();
+  auto                          path = PathType::New();
 
   using ContinuousIndexType = PathType::ContinuousIndexType;
   ContinuousIndexType cindex;

Examples/Filtering/DiffusionTensor3DReconstructionImageFilter.cxx

@@ -134,14 +134,15 @@ main(int argc, char * argv[])
   // DWMRI_gradient_0003:=0.110000        0.664000        0.740000
   // ...
   //
-  itk::MetaDataDictionary  imgMetaDictionary = img->GetMetaDataDictionary();
+  const itk::MetaDataDictionary imgMetaDictionary =
+    img->GetMetaDataDictionary();
   std::vector<std::string> imgMetaKeys = imgMetaDictionary.GetKeys();
   std::vector<std::string>::const_iterator itKey = imgMetaKeys.begin();
   std::string                              metaString;
 
   TensorReconstructionImageFilterType::GradientDirectionType vect3d;
-  TensorReconstructionImageFilterType::GradientDirectionContainerType::Pointer
-    DiffusionVectors = TensorReconstructionImageFilterType::
+  const TensorReconstructionImageFilterType::GradientDirectionContainerType::
+    Pointer DiffusionVectors = TensorReconstructionImageFilterType::
       GradientDirectionContainerType::New();
 
 

Examples/Filtering/DigitallyReconstructedRadiograph1.cxx

@@ -465,7 +465,7 @@ main(int argc, char * argv[])
     const InputImageType::SpacingType spacing = image->GetSpacing();
     std::cout << std::endl << "Input ";
 
-    InputImageType::RegionType region = image->GetBufferedRegion();
+    const InputImageType::RegionType region = image->GetBufferedRegion();
     region.Print(std::cout);
 
     std::cout << "  Resolution: [";
@@ -540,8 +540,8 @@ main(int argc, char * argv[])
   using InputImageRegionType = InputImageType::RegionType;
   using InputImageSizeType = InputImageRegionType::SizeType;
 
-  InputImageRegionType imRegion = image->GetBufferedRegion();
-  InputImageSizeType   imSize = imRegion.GetSize();
+  const InputImageRegionType imRegion = image->GetBufferedRegion();
+  InputImageSizeType         imSize = imRegion.GetSize();
 
   imOrigin[0] += imRes[0] * static_cast<double>(imSize[0]) / 2.0;
   imOrigin[1] += imRes[1] * static_cast<double>(imSize[1]) / 2.0;

Examples/Filtering/GaussianBlurImageFunction.cxx

@@ -45,7 +45,7 @@ main(int argc, char * argv[])
 
   const ImageType * inputImage = reader->GetOutput();
 
-  ImageType::RegionType region = inputImage->GetBufferedRegion();
+  const ImageType::RegionType region = inputImage->GetBufferedRegion();
 
   ConstIteratorType it(inputImage, region);
 

Examples/Filtering/MathematicalMorphologyBinaryFilters.cxx

@@ -211,8 +211,8 @@ main(int argc, char * argv[])
   // Software Guide : BeginCodeSnippet
   thresholder->SetInput(reader->GetOutput());
 
-  InputPixelType background = 0;
-  InputPixelType foreground = 255;
+  const InputPixelType background = 0;
+  const InputPixelType foreground = 255;
 
   thresholder->SetOutsideValue(background);
   thresholder->SetInsideValue(foreground);