Cleaning unused variables here and there

- variables are commented out or warning prevented using a unused_variable macro

reg23Topograms/itkDTRrecon/autoreg/itkDRTHelpers.h

@@ -6,6 +6,12 @@
 #include <cstring>
 #include <iterator>
 
+#ifdef __GNUC__
+#define VARIABLE_IS_NOT_USED __attribute__ ((unused))
+#else
+#define VARIABLE_IS_NOT_USED
+#endif
+
 //Function to get method and class name for logging purposes.
 template <size_t FL, size_t PFL>
 const char* computeMethodName(const char (&function)[FL], const char (&prettyFunction)[PFL])
@@ -24,7 +30,7 @@ const char* computeMethodName(const char (&function)[FL], const char (&prettyFun
 
 namespace itk {
 /* reference string required for comparison with tag values */
-static const char* ImageOrientationStrings[] = {
+static const char VARIABLE_IS_NOT_USED *ImageOrientationStrings[] = {
     "NotDefined",
     "HFS",
     "FFS",
@@ -40,49 +46,49 @@ static const bool verbose = false;
 /* this is in the end a IEC to HFS...
  * but we keep this for ourselves...
  */
-static double Standard_DRT2LPS[9] = {
+static double VARIABLE_IS_NOT_USED Standard_DRT2LPS[9] = {
     1, 0, 0,
     0, 0, -1,
     0, 1, 0
 };
 
-static double PAElementsIEC[9] = {
+static double VARIABLE_IS_NOT_USED PAElementsIEC[9] = {
     1, 0, 0,
     0, -1, 0,
     0, 0, -1
 };
 
-static double LATElementsIEC[9] = {
+static double VARIABLE_IS_NOT_USED LATElementsIEC[9] = {
     0, 0, -1,
     0, -1, 0,
     -1, 0, 0
 };
 
-static double HFS2IEC[9] = {
+static double VARIABLE_IS_NOT_USED HFS2IEC[9] = {
     1, 0, 0,
     0, 0, 1,
     0, -1, 0
 };
 
-static double FFS2IEC[9] = {
+static double VARIABLE_IS_NOT_USED FFS2IEC[9] = {
     -1, 0, 0,
     0, 0, -1,
     0, -1, 0
 };
 
-static double HFP2IEC[9] = {
+static double VARIABLE_IS_NOT_USED HFP2IEC[9] = {
     -1, 0, 0,
     0, 0, 1,
     0, 1, 0
 };
 
-static double FFP2IEC[9] = {
+static double VARIABLE_IS_NOT_USED FFP2IEC[9] = {
     1, 0, 0,
     0, 0, -1,
     0, 1, 0
 };
 
-static double PAT2IEC[9] = {
+static double VARIABLE_IS_NOT_USED PAT2IEC[9] = {
     1, 0, 0,
     0, 0, 1,
     0, -1, 0

reg23Topograms/itkDTRrecon/autoreg/itkMutualInformationTwoImageToOneImageMetric.hxx

@@ -143,7 +143,7 @@ MutualInformationTwoImageToOneImageMetric<TFixedImage, TMovingImage>::GetValue()
     //std::cout<< "-----> Mutual :: fixedImageRegion1: "<< metric1->GetFixedImageRegion() << std::endl;
 
     auto movingImageRegion = this->m_Filter1->GetOutput()->GetBufferedRegion();
-    unsigned int numberOfPixels = movingImageRegion.GetNumberOfPixels();
+    //unsigned int numberOfPixels = movingImageRegion.GetNumberOfPixels();
 
     //auto numberOfSamples = static_cast<unsigned int>(numberOfPixels * 0.50); //100%
     // since we have a ROI, then we should not set allPixels to TRUE.
@@ -180,7 +180,7 @@ MutualInformationTwoImageToOneImageMetric<TFixedImage, TMovingImage>::GetValue()
     //std::cout<< "-----> Mutual :: fixedImageRegion2: "<< metric2->GetFixedImageRegion() << std::endl;
 
     movingImageRegion = this->m_Filter2->GetOutput()->GetBufferedRegion();
-    numberOfPixels = movingImageRegion.GetNumberOfPixels();
+    //numberOfPixels = movingImageRegion.GetNumberOfPixels();
 
     //numberOfSamples = static_cast<unsigned int>(numberOfPixels * 0.50); //100%
     //metric2->SetNumberOfSpatialSamples(numberOfSamples);

reg23Topograms/itkDTRrecon/autoreg/itkNormalizedCorrelationTwoImageToOneImageMetric.hxx

@@ -262,7 +262,7 @@ NormalizedCorrelationTwoImageToOneImageMetric<TFixedImage, TMovingImage>::GetVal
     }
 
     // Calculate the measure value between fixed image 1 and the moving image
-    auto oldprecision = std::cout.precision();
+    //auto oldprecision = std::cout.precision();
 
 
 //    std::cout<<"Region "  <<this->GetFixedImageRegion1() <<std::endl;