]> Creatis software - creaRigidRegistration.git/blobdiff - lib/CheckBoard.cpp
Feature #1766 Add licence terms for all files.
[creaRigidRegistration.git] / lib / CheckBoard.cpp
index d4f52540b7e182fcbcada8bcee1d7575acfdc753..f47c94c180672e44fe78dfb108c8822fc97a8540 100644 (file)
@@ -1,18 +1,56 @@
-#include "CheckBoard.h"
+/*
+# ---------------------------------------------------------------------
+#
+# Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image 
+#                        pour la Santé)
+# Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
+# Previous Authors : Laurent Guigues, Jean-Pierre Roux
+# CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
+#
+#  This software is governed by the CeCILL-B license under French law and 
+#  abiding by the rules of distribution of free software. You can  use, 
+#  modify and/ or redistribute the software under the terms of the CeCILL-B 
+#  license as circulated by CEA, CNRS and INRIA at the following URL 
+#  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
+#  or in the file LICENSE.txt.
+#
+#  As a counterpart to the access to the source code and  rights to copy,
+#  modify and redistribute granted by the license, users are provided only
+#  with a limited warranty  and the software's author,  the holder of the
+#  economic rights,  and the successive licensors  have only  limited
+#  liability. 
+#
+#  The fact that you are presently reading this means that you have had
+#  knowledge of the CeCILL-B license and that you accept its terms.
+# ------------------------------------------------------------------------      */                                                                    
 
+#include "CheckBoard.h"
 
 /*
 * Constructor
 */
 //------------------------------------------------------------
-CheckBoard::CheckBoard()
+CheckBoard::CheckBoard() :             
+       image1(NULL),
+       image2(NULL),
+       squaresX(0),
+       squaresY(0),
+       newImage(NULL),
+       processed(false),
+       resample(NULL),
+       result(NULL)
 {
+/*
        image1=NULL;
        image2=NULL;
        squaresX=0;
        squaresY=0;
        newImage = NULL;
        processed=false;
+       newImage = NULL;
+       resample = NULL;
+       result = NULL;
+*/
 }
 
 /*
@@ -24,6 +62,7 @@ CheckBoard::~CheckBoard()
        //if (image1 != NULL ) { image1->Delete(); }
        //if (image2 != NULL ) { image2->Delete(); }
        if (newImage != NULL ) { newImage->Delete(); }
+       if (result   != NULL ) { result->Delete();   }
 }
 
 //------------------------------------------------------------
@@ -32,7 +71,6 @@ void CheckBoard::calculateImage()
 
        if(image1!=NULL && image2!=NULL)
        {
-
                // IMAGE 1
                        
                // Information from image1
@@ -40,7 +78,7 @@ void CheckBoard::calculateImage()
                image1->GetExtent(extImg1);
 
                type = image1->GetScalarType();
-               
+
                // The Z dimension is 1 for a 2D image
                dimImg1[0] = extImg1[1] - extImg1[0]+1;
                dimImg1[1] = extImg1[3] - extImg1[2]+1;
@@ -59,11 +97,11 @@ void CheckBoard::calculateImage()
 
                long numPixelsImg1 = dimImg1[0]*dimImg1[1];
                long numPixelsImg2 = dimImg2[0]*dimImg2[1];
-               
+
                double factorX = 1;
                double factorY = 1;
-               vtkImageResample *resample = vtkImageResample::New();
-               vtkImageData *result;
+               resample = vtkImageResample::New();
+               result = vtkImageData::New();
                if(numPixelsImg1<numPixelsImg2)
                {
                        resample->SetInput(image1);
@@ -77,7 +115,6 @@ void CheckBoard::calculateImage()
                        result = resample->GetOutput();
                        result->Update();
                        createImage(result,image2,dimImg2[0],dimImg2[1]);               
-                       
                } //if
                else if (numPixelsImg1>numPixelsImg2)
                {
@@ -90,7 +127,7 @@ void CheckBoard::calculateImage()
 
                        initialize(dimImg1, spcImg1);
                        result = resample->GetOutput();
-                       
+
                        result->Update();
 
                        createImage(image1,result,dimImg1[0],dimImg1[1]);
@@ -110,11 +147,11 @@ void CheckBoard::calculateImage()
 
                        result = resample->GetOutput();
                        result->Update();
-                       
+
                        createImage(image1,result,dimImg1[0],dimImg1[1]);
 
                } //else
-               
+
                resample->Delete();             
                processed=true;
        }
@@ -124,13 +161,15 @@ void CheckBoard::calculateImage()
 void CheckBoard::initialize(int dimensions[], double spacing[])
 {
        // Setting the new image
+       if(newImage != NULL){
+                       newImage->Delete();
+       }
        newImage = vtkImageData::New();
        newImage->SetScalarType(type);
        newImage->SetSpacing(spacing);
        newImage->SetDimensions(dimensions);
        newImage->AllocateScalars();
        newImage->Update();
-
 }
 
 //------------------------------------------------------------
@@ -144,55 +183,8 @@ void CheckBoard::createImage(vtkImageData *img1, vtkImageData *img2, int sizeX,
                char* dataImagePointer1 = NULL;
                char* dataImagePointer2 = NULL;
                char* dataImageResultPointer = NULL;
-       
-               dataImagePointer1 = (char*) img1->GetScalarPointer(0,0,0);
-               dataImagePointer2 = (char*) img2->GetScalarPointer(0,0,0);
-               dataImageResultPointer = (char*) newImage->GetScalarPointer(0,0,0);
-       
-               if(squaresX == 0)
-               {
-                       squaresX = 1;
-               }
-               if(squaresY == 0)
-               {
-                       squaresY = 1;
-               }    
-
-               int divX = sizeX/squaresX;
-               int divY = sizeY/squaresY;
-               int i, j, counterX, counterY;
-               for(i = 0; i < sizeX; i++)
-               {
-                       counterY = 0; 
-                       for(j = 0; j < sizeY; j++)
-                       {
-                               dataImagePointer1 = (char*)img1->GetScalarPointer(i,j,0);
-                               dataImagePointer2 = (char*)img2->GetScalarPointer(i,j,0);
-                               dataImageResultPointer = (char*)newImage->GetScalarPointer(i,j,0);
-
-                               if( (counterX <= divX && counterY <= divY) || ((counterX >= divX && counterX <= 2*divX) && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (char) *dataImagePointer1;
-                               }
-                               else //if( ((counterX >= divX && counterX <= 2*divX) && counterY <= divY) || (counterX <= divX && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (char) *dataImagePointer2;
-                               }
-
-                               if(counterX >= 2*divX)
-                               {
-                                       counterX = 0;
-                               }
-                               else if(counterY >= 2*divY)
-                               {
-                                       counterY = 0;
-                               }
-                       
-                               counterY++;
-                       }
-                       counterX++;
-               }
 
+               createImageByType(dataImagePointer1,dataImagePointer2,dataImageResultPointer,img1,img2,sizeX,sizeY);
        }
        else if(imageType == VTK_SIGNED_CHAR)
        {
@@ -200,54 +192,8 @@ void CheckBoard::createImage(vtkImageData *img1, vtkImageData *img2, int sizeX,
                signed char* dataImagePointer1 = NULL;
                signed char* dataImagePointer2 = NULL;
                signed char* dataImageResultPointer = NULL;
-       
-               dataImagePointer1 = (signed char*) img1->GetScalarPointer(0,0,0);
-               dataImagePointer2 = (signed char*) img2->GetScalarPointer(0,0,0);
-               dataImageResultPointer = (signed char*) newImage->GetScalarPointer(0,0,0);
-       
-               if(squaresX == 0)
-               {
-                       squaresX = 1;
-               }
-               if(squaresY == 0)
-               {
-                       squaresY = 1;
-               }    
 
-               int     divX = sizeX/squaresX;
-               int divY = sizeY/squaresY;
-               int i, j, counterX, counterY;
-               for(i = 0; i < sizeX; i++)
-               {
-                       counterY = 0; 
-                       for(j = 0; j < sizeY; j++)
-                       {
-                               dataImagePointer1 = (signed char*)img1->GetScalarPointer(i,j,0);
-                               dataImagePointer2 = (signed char*)img2->GetScalarPointer(i,j,0);
-                               dataImageResultPointer = (signed char*)newImage->GetScalarPointer(i,j,0);
-
-                               if( (counterX <= divX && counterY <= divY) || ((counterX >= divX && counterX <= 2*divX) && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (signed char) *dataImagePointer1;
-                               }
-                               else //if( ((counterX >= divX && counterX <= 2*divX) && counterY <= divY) || (counterX <= divX && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (signed char) *dataImagePointer2;
-                               }
-
-                               if(counterX >= 2*divX)
-                               {
-                                       counterX = 0;
-                               }
-                               else if(counterY >= 2*divY)
-                               {
-                                       counterY = 0;
-                               }
-                       
-                               counterY++;
-                       }
-                       counterX++;
-               }
+               createImageByType(dataImagePointer1,dataImagePointer2,dataImageResultPointer,img1,img2,sizeX,sizeY);
        }
        else if(imageType == VTK_UNSIGNED_CHAR)
        {
@@ -255,54 +201,8 @@ void CheckBoard::createImage(vtkImageData *img1, vtkImageData *img2, int sizeX,
                unsigned char* dataImagePointer1 = NULL;
                unsigned char* dataImagePointer2 = NULL;
                unsigned char* dataImageResultPointer = NULL;
-       
-               dataImagePointer1 = (unsigned char*) img1->GetScalarPointer(0,0,0);
-               dataImagePointer2 = (unsigned char*) img2->GetScalarPointer(0,0,0);
-               dataImageResultPointer = (unsigned char*) newImage->GetScalarPointer(0,0,0);
-       
-               if(squaresX == 0)
-               {
-                       squaresX = 1;
-               }
-               if(squaresY == 0)
-               {
-                       squaresY = 1;
-               }    
 
-               int divX = sizeX/squaresX;
-               int divY = sizeY/squaresY;
-               int i, j, counterX, counterY;
-               for(i = 0; i < sizeX; i++)
-               {
-                       counterY = 0; 
-                       for(j = 0; j < sizeY; j++)
-                       {
-                               dataImagePointer1 = (unsigned char*)img1->GetScalarPointer(i,j,0);
-                               dataImagePointer2 = (unsigned char*)img2->GetScalarPointer(i,j,0);
-                               dataImageResultPointer = (unsigned char*)newImage->GetScalarPointer(i,j,0);
-
-                               if( (counterX <= divX && counterY <= divY) || ((counterX >= divX && counterX <= 2*divX) && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (unsigned char) *dataImagePointer1;
-                               }
-                               else //if( ((counterX >= divX && counterX <= 2*divX) && counterY <= divY) || (counterX <= divX && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (unsigned char) *dataImagePointer2;
-                               }
-
-                               if(counterX >= 2*divX)
-                               {
-                                       counterX = 0;
-                               }
-                               else if(counterY >= 2*divY)
-                               {
-                                       counterY = 0;
-                               }
-                       
-                               counterY++;
-                       }
-                       counterX++;
-               }
+               createImageByType(dataImagePointer1,dataImagePointer2,dataImageResultPointer,img1,img2,sizeX,sizeY);
        }
        else if(imageType == VTK_SHORT)
        {
@@ -310,54 +210,8 @@ void CheckBoard::createImage(vtkImageData *img1, vtkImageData *img2, int sizeX,
                short* dataImagePointer1 = NULL;
                short* dataImagePointer2 = NULL;
                short* dataImageResultPointer = NULL;
-       
-               dataImagePointer1 = (short*) img1->GetScalarPointer(0,0,0);
-               dataImagePointer2 = (short*) img2->GetScalarPointer(0,0,0);
-               dataImageResultPointer = (short*) newImage->GetScalarPointer(0,0,0);
-       
-               if(squaresX == 0)
-               {
-                       squaresX = 1;
-               }
-               if(squaresY == 0)
-               {
-                       squaresY = 1;
-               }    
 
-               int divX = sizeX/squaresX;
-               int divY = sizeY/squaresY;
-               int i, j, counterX, counterY;
-               for(i = 0; i < sizeX; i++)
-               {
-                       counterY = 0; 
-                       for(j = 0; j < sizeY; j++)
-                       {
-                               dataImagePointer1 = (short*)img1->GetScalarPointer(i,j,0);
-                               dataImagePointer2 = (short*)img2->GetScalarPointer(i,j,0);
-                               dataImageResultPointer = (short*)newImage->GetScalarPointer(i,j,0);
-
-                               if( (counterX <= divX && counterY <= divY) || ((counterX >= divX && counterX <= 2*divX) && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (short) *dataImagePointer1;
-                               }
-                               else //if( ((counterX >= divX && counterX <= 2*divX) && counterY <= divY) || (counterX <= divX && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (short) *dataImagePointer2;
-                               }
-
-                               if(counterX >= 2*divX)
-                               {
-                                       counterX = 0;
-                               }
-                               else if(counterY >= 2*divY)
-                               {
-                                       counterY = 0;
-                               }
-                       
-                               counterY++;
-                       }
-                       counterX++;
-               }
+               createImageByType(dataImagePointer1,dataImagePointer2,dataImageResultPointer,img1,img2,sizeX,sizeY);
        }
        else if(imageType == VTK_UNSIGNED_SHORT)
        {
@@ -365,54 +219,8 @@ void CheckBoard::createImage(vtkImageData *img1, vtkImageData *img2, int sizeX,
                unsigned short* dataImagePointer1 = NULL;
                unsigned short* dataImagePointer2 = NULL;
                unsigned short* dataImageResultPointer = NULL;
-       
-               dataImagePointer1 = (unsigned short*) img1->GetScalarPointer(0,0,0);
-               dataImagePointer2 = (unsigned short*) img2->GetScalarPointer(0,0,0);
-               dataImageResultPointer = (unsigned short*) newImage->GetScalarPointer(0,0,0);
-       
-               if(squaresX == 0)
-               {
-                       squaresX = 1;
-               }
-               if(squaresY == 0)
-               {
-                       squaresY = 1;
-               }    
 
-               int divX = sizeX/squaresX;
-               int divY = sizeY/squaresY;
-               int i, j, counterX, counterY;
-               for(i = 0; i < sizeX; i++)
-               {
-                       counterY = 0; 
-                       for(j = 0; j < sizeY; j++)
-                       {
-                               dataImagePointer1 = (unsigned short*)img1->GetScalarPointer(i,j,0);
-                               dataImagePointer2 = (unsigned short*)img2->GetScalarPointer(i,j,0);
-                               dataImageResultPointer = (unsigned short*)newImage->GetScalarPointer(i,j,0);
-
-                               if( (counterX <= divX && counterY <= divY) || ((counterX >= divX && counterX <= 2*divX) && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (unsigned short) *dataImagePointer1;
-                               }
-                               else //if( ((counterX >= divX && counterX <= 2*divX) && counterY <= divY) || (counterX <= divX && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (unsigned short) *dataImagePointer2;
-                               }
-
-                               if(counterX >= 2*divX)
-                               {
-                                       counterX = 0;
-                               }
-                               else if(counterY >= 2*divY)
-                               {
-                                       counterY = 0;
-                               }
-                       
-                               counterY++;
-                       }
-                       counterX++;
-               }
+               createImageByType(dataImagePointer1,dataImagePointer2,dataImageResultPointer,img1,img2,sizeX,sizeY);
        }
 
        else if(imageType == VTK_INT)
@@ -421,54 +229,8 @@ void CheckBoard::createImage(vtkImageData *img1, vtkImageData *img2, int sizeX,
                int* dataImagePointer1 = NULL;
                int* dataImagePointer2 = NULL;
                int* dataImageResultPointer = NULL;
-       
-               dataImagePointer1 = (int*) img1->GetScalarPointer(0,0,0);
-               dataImagePointer2 = (int*) img2->GetScalarPointer(0,0,0);
-               dataImageResultPointer = (int*) newImage->GetScalarPointer(0,0,0);
-       
-               if(squaresX == 0)
-               {
-                       squaresX = 1;
-               }
-               if(squaresY == 0)
-               {
-                       squaresY = 1;
-               }    
 
-               int divX = sizeX/squaresX;
-               int divY = sizeY/squaresY;
-               int i, j, counterX, counterY;
-               for(i = 0; i < sizeX; i++)
-               {
-                       counterY = 0; 
-                       for(j = 0; j < sizeY; j++)
-                       {
-                               dataImagePointer1 = (int*)img1->GetScalarPointer(i,j,0);
-                               dataImagePointer2 = (int*)img2->GetScalarPointer(i,j,0);
-                               dataImageResultPointer = (int*)newImage->GetScalarPointer(i,j,0);
-
-                               if( (counterX <= divX && counterY <= divY) || ((counterX >= divX && counterX <= 2*divX) && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (int) *dataImagePointer1;
-                               }
-                               else //if( ((counterX >= divX && counterX <= 2*divX) && counterY <= divY) || (counterX <= divX && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (int) *dataImagePointer2;
-                               }
-
-                               if(counterX >= 2*divX)
-                               {
-                                       counterX = 0;
-                               }
-                               else if(counterY >= 2*divY)
-                               {
-                                       counterY = 0;
-                               }
-                       
-                               counterY++;
-                       }
-                       counterX++;
-               }
+               createImageByType(dataImagePointer1,dataImagePointer2,dataImageResultPointer,img1,img2,sizeX,sizeY);
        }
        else if(imageType == VTK_UNSIGNED_INT)
        {
@@ -476,54 +238,8 @@ void CheckBoard::createImage(vtkImageData *img1, vtkImageData *img2, int sizeX,
                unsigned int* dataImagePointer1 = NULL;
                unsigned int* dataImagePointer2 = NULL;
                unsigned int* dataImageResultPointer = NULL;
-       
-               dataImagePointer1 = (unsigned int*) img1->GetScalarPointer(0,0,0);
-               dataImagePointer2 = (unsigned int*) img2->GetScalarPointer(0,0,0);
-               dataImageResultPointer = (unsigned int*) newImage->GetScalarPointer(0,0,0);
-       
-               if(squaresX == 0)
-               {
-                       squaresX = 1;
-               }
-               if(squaresY == 0)
-               {
-                       squaresY = 1;
-               }    
 
-               int divX = sizeX/squaresX;
-               int divY = sizeY/squaresY;
-               int i, j, counterX, counterY;
-               for(i = 0; i < sizeX; i++)
-               {
-                       counterY = 0; 
-                       for(j = 0; j < sizeY; j++)
-                       {
-                               dataImagePointer1 = (unsigned int*)img1->GetScalarPointer(i,j,0);
-                               dataImagePointer2 = (unsigned int*)img2->GetScalarPointer(i,j,0);
-                               dataImageResultPointer = (unsigned int*)newImage->GetScalarPointer(i,j,0);
-
-                               if( (counterX <= divX && counterY <= divY) || ((counterX >= divX && counterX <= 2*divX) && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (unsigned int) *dataImagePointer1;
-                               }
-                               else //if( ((counterX >= divX && counterX <= 2*divX) && counterY <= divY) || (counterX <= divX && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (unsigned int) *dataImagePointer2;
-                               }
-
-                               if(counterX >= 2*divX)
-                               {
-                                       counterX = 0;
-                               }
-                               else if(counterY >= 2*divY)
-                               {
-                                       counterY = 0;
-                               }
-                       
-                               counterY++;
-                       }
-                       counterX++;
-               }
+               createImageByType(dataImagePointer1,dataImagePointer2,dataImageResultPointer,img1,img2,sizeX,sizeY);
        }
        else if(imageType == VTK_LONG)
        {
@@ -531,54 +247,8 @@ void CheckBoard::createImage(vtkImageData *img1, vtkImageData *img2, int sizeX,
                long* dataImagePointer1 = NULL;
                long* dataImagePointer2 = NULL;
                long* dataImageResultPointer = NULL;
-       
-               dataImagePointer1 = (long*) img1->GetScalarPointer(0,0,0);
-               dataImagePointer2 = (long*) img2->GetScalarPointer(0,0,0);
-               dataImageResultPointer = (long*) newImage->GetScalarPointer(0,0,0);
-       
-               if(squaresX == 0)
-               {
-                       squaresX = 1;
-               }
-               if(squaresY == 0)
-               {
-                       squaresY = 1;
-               }    
 
-               int divX = sizeX/squaresX;
-               int divY = sizeY/squaresY;
-               int i, j, counterX, counterY;
-               for(i = 0; i < sizeX; i++)
-               {
-                       counterY = 0; 
-                       for(j = 0; j < sizeY; j++)
-                       {
-                               dataImagePointer1 = (long*)img1->GetScalarPointer(i,j,0);
-                               dataImagePointer2 = (long*)img2->GetScalarPointer(i,j,0);
-                               dataImageResultPointer = (long*)newImage->GetScalarPointer(i,j,0);
-
-                               if( (counterX <= divX && counterY <= divY) || ((counterX >= divX && counterX <= 2*divX) && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (long) *dataImagePointer1;
-                               }
-                               else //if( ((counterX >= divX && counterX <= 2*divX) && counterY <= divY) || (counterX <= divX && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (long) *dataImagePointer2;
-                               }
-
-                               if(counterX >= 2*divX)
-                               {
-                                       counterX = 0;
-                               }
-                               else if(counterY >= 2*divY)
-                               {
-                                       counterY = 0;
-                               }
-                       
-                               counterY++;
-                       }
-                       counterX++;
-               }
+               createImageByType(dataImagePointer1,dataImagePointer2,dataImageResultPointer,img1,img2,sizeX,sizeY);
        }
        else if(imageType == VTK_UNSIGNED_LONG)
        {
@@ -586,53 +256,8 @@ void CheckBoard::createImage(vtkImageData *img1, vtkImageData *img2, int sizeX,
                unsigned long* dataImagePointer1 = NULL;
                unsigned long* dataImagePointer2 = NULL;
                unsigned long* dataImageResultPointer = NULL;
-       
-               dataImagePointer1 = (unsigned long*) img1->GetScalarPointer(0,0,0);
-               dataImagePointer2 = (unsigned long*) img2->GetScalarPointer(0,0,0);
-               dataImageResultPointer = (unsigned long*) newImage->GetScalarPointer(0,0,0);
-       
-               if(squaresX == 0)
-               {
-                       squaresX = 1;
-               }
-               if(squaresY == 0)
-               {
-                       squaresY = 1;
-               }    
 
-               int divX = sizeX/squaresX;
-               int divY = sizeY/squaresY;
-               int i, j, counterX, counterY;
-               for(i = 0; i < sizeX; i++)
-               {
-                       counterY = 0; 
-                       for(j = 0; j < sizeY; j++)
-                       {
-                               dataImagePointer1 = (unsigned long*)img1->GetScalarPointer(i,j,0);
-                               dataImagePointer2 = (unsigned long*)img2->GetScalarPointer(i,j,0);
-                               dataImageResultPointer = (unsigned long*)newImage->GetScalarPointer(i,j,0);
-
-                               if( (counterX <= divX && counterY <= divY) || ((counterX >= divX && counterX <= 2*divX) && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (unsigned long) *dataImagePointer1;
-                               }
-                               else //if( ((counterX >= divX && counterX <= 2*divX) && counterY <= divY) || (counterX <= divX && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (unsigned long) *dataImagePointer2;
-                               }
-
-                               if(counterX >= 2*divX)
-                               {
-                                       counterX = 0;
-                               }
-                               else if(counterY >= 2*divY)
-                               {
-                                       counterY = 0;
-                               }                       
-                               counterY++;
-                       }
-                       counterX++;
-               }
+               createImageByType(dataImagePointer1,dataImagePointer2,dataImageResultPointer,img1,img2,sizeX,sizeY);
        }
        else if(imageType == VTK_FLOAT)
        {
@@ -640,54 +265,8 @@ void CheckBoard::createImage(vtkImageData *img1, vtkImageData *img2, int sizeX,
                float* dataImagePointer1 = NULL;
                float* dataImagePointer2 = NULL;
                float* dataImageResultPointer = NULL;
-       
-               dataImagePointer1 = (float*) img1->GetScalarPointer(0,0,0);
-               dataImagePointer2 = (float*) img2->GetScalarPointer(0,0,0);
-               dataImageResultPointer = (float*) newImage->GetScalarPointer(0,0,0);
-       
-               if(squaresX == 0)
-               {
-                       squaresX = 1;
-               }
-               if(squaresY == 0)
-               {
-                       squaresY = 1;
-               }    
 
-               int divX = sizeX/squaresX;
-               int divY = sizeY/squaresY;
-               int i, j, counterX, counterY;
-               for(i = 0; i < sizeX; i++)
-               {
-                       counterY = 0; 
-                       for(j = 0; j < sizeY; j++)
-                       {
-                               dataImagePointer1 = (float*)img1->GetScalarPointer(i,j,0);
-                               dataImagePointer2 = (float*)img2->GetScalarPointer(i,j,0);
-                               dataImageResultPointer = (float*)newImage->GetScalarPointer(i,j,0);
-
-                               if( (counterX <= divX && counterY <= divY) || ((counterX >= divX && counterX <= 2*divX) && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (float) *dataImagePointer1;
-                               }
-                               else //if( ((counterX >= divX && counterX <= 2*divX) && counterY <= divY) || (counterX <= divX && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (float) *dataImagePointer2;
-                               }
-
-                               if(counterX >= 2*divX)
-                               {
-                                       counterX = 0;
-                               }
-                               else if(counterY >= 2*divY)
-                               {
-                                       counterY = 0;
-                               }
-                       
-                               counterY++;
-                       }
-                       counterX++;
-               }
+               createImageByType(dataImagePointer1,dataImagePointer2,dataImageResultPointer,img1,img2,sizeX,sizeY);
        }
        else if(imageType == VTK_DOUBLE)
        {
@@ -695,60 +274,66 @@ void CheckBoard::createImage(vtkImageData *img1, vtkImageData *img2, int sizeX,
                double* dataImagePointer1 = NULL;
                double* dataImagePointer2 = NULL;
                double* dataImageResultPointer = NULL;
-       
-               dataImagePointer1 = (double*) img1->GetScalarPointer(0,0,0);
-               dataImagePointer2 = (double*) img2->GetScalarPointer(0,0,0);
-               dataImageResultPointer = (double*) newImage->GetScalarPointer(0,0,0);
-       
-               if(squaresX == 0)
-               {
-                       squaresX = 1;
-               }
-               if(squaresY == 0)
-               {
-                       squaresY = 1;
-               }    
 
-               int divX = sizeX/squaresX;
-               int divY = sizeY/squaresY;
-               int i, j, counterX, counterY;
-               for(i = 0; i < sizeX; i++)
-               {
-                       counterY = 0; 
-                       for(j = 0; j < sizeY; j++)
-                       {
-                               dataImagePointer1 = (double*)img1->GetScalarPointer(i,j,0);
-                               dataImagePointer2 = (double*)img2->GetScalarPointer(i,j,0);
-                               dataImageResultPointer = (double*)newImage->GetScalarPointer(i,j,0);
-
-                               if( (counterX <= divX && counterY <= divY) || ((counterX >= divX && counterX <= 2*divX) && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (double) *dataImagePointer1;
-                               }
-                               else //if( ((counterX >= divX && counterX <= 2*divX) && counterY <= divY) || (counterX <= divX && (counterY >= divY && counterY <= 2*divY)) )
-                               {
-                                       *dataImageResultPointer = (double) *dataImagePointer2;
-                               }
-
-                               if(counterX >= 2*divX)
-                               {
-                                       counterX = 0;
-                               }
-                               else if(counterY >= 2*divY)
-                               {
-                                       counterY = 0;
-                               }                       
-                               counterY++;
-                       }
-                       counterX++;
-               }
+               createImageByType(dataImagePointer1,dataImagePointer2,dataImageResultPointer,img1,img2,sizeX,sizeY);
        }
 
-               
        //std::cout << "The image has been checkboardized!" << std::endl;
    newImage->Update();
 //   newImage->Modified();
 }
+/**Template used for the different image types
+*/
+template <class T>
+void CheckBoard::createImageByType(T* dataImagePointer1, T* dataImagePointer2, T* dataImageResultPointer, vtkImageData *img1, vtkImageData *img2, int sizeX, int sizeY)
+{
+       dataImagePointer1 = (T*) img1->GetScalarPointer(0,0,0);
+       dataImagePointer2 = (T*) img2->GetScalarPointer(0,0,0);
+       dataImageResultPointer = (T*) newImage->GetScalarPointer(0,0,0);
+
+       if(squaresX == 0)
+       {
+               squaresX = 1;
+       }
+       if(squaresY == 0)
+       {
+               squaresY = 1;
+       }
+
+       int divX = sizeX/squaresX;
+       int divY = sizeY/squaresY;
+       int i, j;
+       int counterX=0, counterY;  // JPR : uninitialized
+       for(i = 0; i < sizeX; i++)
+       {
+               counterY = 0; 
+               for(j = 0; j < sizeY; j++)
+               {
+                       dataImagePointer1 = (T*)img1->GetScalarPointer(i,j,0);
+                       dataImagePointer2 = (T*)img2->GetScalarPointer(i,j,0);
+                       dataImageResultPointer = (T*)newImage->GetScalarPointer(i,j,0);
+                       if( (counterX <= divX && counterY <= divY) || ((counterX >= divX && counterX <= 2*divX) && (counterY >= divY && counterY <= 2*divY)) )
+                       {
+                               *dataImageResultPointer = (T) *dataImagePointer1;
+                       }
+                       else //if( ((counterX >= divX && counterX <= 2*divX) && counterY <= divY) || (counterX <= divX && (counterY >= divY && counterY <= 2*divY)) )
+                       {
+                               *dataImageResultPointer = (T) *dataImagePointer2;
+                       }
+
+                       if(counterX >= 2*divX)
+                       {
+                               counterX = 0;
+                       }
+                       else if(counterY >= 2*divY)
+                       {
+                               counterY = 0;
+                       }                       
+                       counterY++;
+               }
+               counterX++;
+       }
+}
 
 /*
 * Get new image
@@ -787,4 +372,3 @@ void CheckBoard::setRows(int rows)
 {
        squaresY=rows;
 }
-