lib/maracasVisuLib/src/interface/wxWindows/widgets/pPlotter/pHistogram.cxx

   1 /*# ---------------------------------------------------------------------
   2 #
   3 # Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
   4 #                        pour la Sant�)
   5 # Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
   6 # Previous Authors : Laurent Guigues, Jean-Pierre Roux
   7 # CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
   8 #
   9 #  This software is governed by the CeCILL-B license under French law and
  10 #  abiding by the rules of distribution of free software. You can  use,
  11 #  modify and/ or redistribute the software under the terms of the CeCILL-B
  12 #  license as circulated by CEA, CNRS and INRIA at the following URL
  13 #  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  14 #  or in the file LICENSE.txt.
  15 #
  16 #  As a counterpart to the access to the source code and  rights to copy,
  17 #  modify and redistribute granted by the license, users are provided only
  18 #  with a limited warranty  and the software's author,  the holder of the
  19 #  economic rights,  and the successive licensors  have only  limited
  20 #  liability.
  21 #
  22 #  The fact that you are presently reading this means that you have had
  23 #  knowledge of the CeCILL-B license and that you accept its terms.
  24 # ------------------------------------------------------------------------ */
  25
  26
  27 //----------------------------------------------------------------------------
  28 // Class definition include
  29 //----------------------------------------------------------------------------
  30
  31 #include "pHistogram.h"
  32 //#include "vtkJPEGReader.h"
  33 #include "vtkImageData.h"
  34 #include "vtkImageCast.h"
  35 #include "vtkComputeHistogram2DOutliers.h"
  36 #include "vtkTable.h"
  37
  38
  39 #include <iostream>
  40 #include <fstream>
  41 #include <string>
  42 #include <vector>
  43
  44 // ----------------------------------------------------------------------------
  45 // WX headers inclusion.
  46 // For compilers that support precompilation, includes <wx/wx.h>.
  47 // ----------------------------------------------------------------------------
  48
  49 /*
  50 #ifndef WX_PRECOMP
  51 #include <wx/wx.h>
  52 #endif
  53 */
  54 //----------------------------------------------------------------------------
  55 // Class implementation
  56 //----------------------------------------------------------------------------
  57
  58 //IMPLEMENT_CLASS(pHistogram, wxObject)
  59
  60 //----------------------------------------------------------------------------
  61 // Constructors
  62 //----------------------------------------------------------------------------
  63 pHistogram::pHistogram(std::string filePath)
  64 {
  65         path                    = filePath;
  66         points          = vtkImageData::New();
  67         size                    = 100;
  68         sizeImage       = 0;
  69         buildHistogram();
  70 }
  71
  72 pHistogram::pHistogram(vtkImageData* imageData)
  73 {
  74         points          = vtkImageData::New();
  75         size                    = 100;
  76         sizeImage       = 0;
  77         buildHistogram(imageData);
  78 }
  79
  80 //----------------------------------------------------------------------------
  81 pHistogram::~pHistogram()
  82 {
  83         if(points!=NULL)points->Delete();
  84 }
  85
  86 //----------------------------------------------------------------------------
  87 void pHistogram::setImagePath(std::string filePath)
  88 {
  89         path=filePath;
  90 }
  91
  92 //----------------------------------------------------------------------------
  93 void pHistogram::buildHistogram()
  94 {
  95         /*
  96                 reader: is the reader of the image
  97                 histogramVector:Is the image data of the original image
  98                 imageData: vtkImageData of the image that we are reading
  99                 range :it has the (min/max) range of the levels of grey
 100         */
 101         points= vtkImageData::New();
 102         vtkMetaImageReader *reader = vtkMetaImageReader::New();
 103         vtkImageData* imageData=NULL;
 104         double range[2];
 105
 106         //reading
 107         reader->SetFileName(path.c_str());
 108         reader->Update();
 109
 110
 111         // getting the data
 112         imageData=reader->GetOutput();
 113         imageData->GetScalarRange(range);
 114         initializePoints(size);
 115         setPoints(imageData);
 116 }
 117
 118 /*
 119 Calculate the histogram and save it in the attribute points
 120 it is used if the user had given the imageData
 121 Pre: Size had to be setted if the user wants
 122 another value that 100
 123 */
 124 void pHistogram::buildHistogram(vtkImageData* imageData)
 125 {
 126         initializePoints(size);
 127         setPoints(imageData);
 128 }
 129
 130 /*
 131   getting ready the points
 132 */
 133 void pHistogram::initializePoints(int xDimension)
 134 {
 135         //setting image data of the points
 136         points->SetDimensions(xDimension,1,1);
 137 //EED   points->SetScalarTypeToUnsignedShort();
 138
 139 //EED 2017-01-01 Migration VTK7
 140 #if VTK_MAJOR_VERSION <= 5
 141         points->SetScalarTypeToDouble();
 142         points->AllocateScalars();
 143         points->Update();
 144 #else
 145         points->AllocateScalars(VTK_DOUBLE,1);
 146 #endif
 147
 148 }
 149
 150 /*
 151          constructing the histogram
 152 */
 153 void pHistogram::setPoints(vtkImageData* imageData)
 154 {
 155
 156 /*
 157 printf("EED pHistogram::setPoints Test: vtkPComputeHistogram2DOutliers\n");
 158 vtkComputeHistogram2DOutliers *vtkhist = vtkComputeHistogram2DOutliers::New();
 159 vtkhist->SetPreferredNumberOfOutliers(10);
 160 vtkhist->SetInput(imageData);
 161 vtkTable *resulttable = vtkhist->GetOutputTable();
 162
 163 printf("EED pHistogram::setPoints rows:%d\n", (int)(resulttable->GetNumberOfRows()) );
 164 printf("EED pHistogram::setPoints colums:%d\n", (int)(resulttable->GetNumberOfColumns()) );
 165 */
 166
 167         /*
 168                 Pointers
 169         */
 170
 171         char*                           dataImagePointerC               = (char*)imageData->GetScalarPointer(0,0,0);
 172         unsigned char*          dataImagePointerUC              = (unsigned char*)imageData->GetScalarPointer(0,0,0);
 173         short*                          dataImagePointerS               = (short*)imageData->GetScalarPointer(0,0,0);
 174         unsigned short*         dataImagePointerUS              = (unsigned short*)imageData->GetScalarPointer(0,0,0);
 175         float*                          dataImagePointerF               = (float*)imageData->GetScalarPointer(0,0,0);
 176         double*                         dataImagePointerD               = (double*)imageData->GetScalarPointer(0,0,0);
 177         double*                         dataHistogramPointer    = (double*)points->GetScalarPointer(0,0,0);
 178
 179         /*
 180          Range of greys
 181         */
 182         double range[2];
 183         if(imageData==NULL)
 184         {
 185                 range[1] = 1;
 186         } else {
 187                 imageData->GetScalarRange(range);
 188         } // imageData
 189
 190         /*
 191          Setting the  minimun and maximum levels of grey
 192         */
 193         maxLevelOfGrey = range[1];
 194         minLevelOfGrey = range[0];
 195         //std::cout<<"maxLevelOfGrey "<<maxLevelOfGrey<<" minLevelOfGrey "<<minLevelOfGrey<<std::endl;
 196         /*
 197          Image Size
 198         */
 199         int ext[6];
 200         imageData->GetExtent(ext);
 201         int sx,sy,sz;
 202         sx = ext[1]-ext[0]+1;
 203         sy = ext[3]-ext[2]+1;
 204         sz = ext[5]-ext[4]+1;
 205
 206         sizeImage=sx*sy*sz;
 207
 208         int i;
 209         /*
 210           getting ready the histogram
 211         */
 212         for(i=0;i<size;i++)
 213         {
 214                 dataHistogramPointer[i]=0;
 215         }
 216
 217         long int j=0;
 218
 219
 220         if (imageData->GetScalarType()==VTK_CHAR)
 221         {
 222                 for(i=0;i<sizeImage;i++)
 223                 {
 224                         j=getIndex(*dataImagePointerC);
 225                         dataImagePointerC++;
 226                         dataHistogramPointer[j]++;
 227                 }  // for i
 228         } //  CHAR
 229
 230         if (imageData->GetScalarType()==VTK_UNSIGNED_CHAR)
 231         {
 232                 for(i=0;i<sizeImage;i++)
 233                 {
 234                         j=getIndex(*dataImagePointerUC);
 235                         dataImagePointerUC++;
 236                         dataHistogramPointer[j]++;
 237                 }  // for i
 238         } // UNSIGNED CHAR
 239
 240
 241         if (imageData->GetScalarType()==VTK_SHORT)
 242         {
 243                 for(i=0;i<sizeImage;i++)
 244                 {
 245                         j=getIndex(*dataImagePointerS);
 246                         dataImagePointerS++;
 247                         dataHistogramPointer[j]++;
 248                 }  // for i
 249         } // SHORT
 250
 251         if (imageData->GetScalarType()==VTK_UNSIGNED_SHORT)
 252         {
 253                 for(i=0;i<sizeImage;i++)
 254                 {
 255                         j=getIndex(*dataImagePointerUS);
 256                         dataImagePointerUS++;
 257                         dataHistogramPointer[j]++;
 258                 }  // for i
 259         } // UNSIGNED SHORT
 260
 261
 262         if (imageData->GetScalarType()==VTK_FLOAT)
 263         {
 264                 for(i=0;i<sizeImage;i++)
 265                 {
 266                         j=getIndex(*dataImagePointerF);
 267                         dataImagePointerF++;
 268                         dataHistogramPointer[j]++;
 269                 }  // for i
 270         } // FLOAT
 271
 272
 273         if (imageData->GetScalarType()==VTK_DOUBLE)
 274         {
 275                 for(i=0;i<sizeImage;i++)
 276                 {
 277                         j=getIndex(*dataImagePointerD);
 278                         dataImagePointerD++;
 279                         dataHistogramPointer[j]++;
 280                 }  // for i
 281         } // DOUBLE
 282
 283 }
 284
 285
 286 /*
 287 Returns the poins of the histograms
 288 */
 289 vtkImageData* pHistogram::getHistogram()
 290 {
 291         return points;
 292 }
 293
 294 /*
 295 hash por getting the index for the histogram vector of the original
 296 image
 297 @gValue: Level of grey for which wants the index in the histogrram
 298 */
 299 int pHistogram::getIndex(double gValue)
 300 {
 301         double p;
 302         double diff=maxLevelOfGrey-minLevelOfGrey;
 303         if (diff!=0)
 304         {
 305                 p=((double)gValue-minLevelOfGrey)/(maxLevelOfGrey-minLevelOfGrey);
 306         } else {
 307                 p=0;
 308         }
 309         double k=p*(size-1);
 310         //std::cout<<"gValue "<<gValue<<" k "<<k<<std::endl;
 311         return (int)k;
 312 }
 313 /*
 314 Setting the size
 315 */
 316 void pHistogram::setSize(int nSize)
 317 {
 318         size=nSize;
 319 }
 320 /*
 321         Get Image Size
 322 */
 323 int pHistogram::getImageSize()
 324 {
 325         return sizeImage;
 326 }
 327 /*
 328         Get Size of the histogram
 329 */
 330 int pHistogram::getSize()
 331 {
 332         return size;
 333 }
 334 /*
 335         Get the maximum value of grey of the histogram
 336 */
 337 int pHistogram::getMaximumLevelOfGrey()
 338 {
 339         return maxLevelOfGrey;
 340 }
 341 /*
 342         Get the minimum value of grey of the histogram
 343 */
 344 int pHistogram::getMinimumLevelOfGrey()
 345 {
 346         return minLevelOfGrey;
 347 }
 348 /*
 349                 get a point of the Histogram
 350                 given the grey value
 351 */
 352 int pHistogram::getHistogramPoint(int gValue)
 353 {
 354         //double p=((float)gValue-minLevelOfGrey)/(maxLevelOfGrey-minLevelOfGrey); // JPRx
 355         //double k=p*size;
 356
 357         double* dataHistogramPointer = dataHistogramPointer=(double*)points->GetScalarPointer(0,0,0);
 358         return dataHistogramPointer[gValue];
 359 }
 360
 361