vv/vvToolHistogram.cxx

   1 /*=========================================================================
   2   Program:   vv                     http://www.creatis.insa-lyon.fr/rio/vv
   3
   4   Authors belong to:
   5   - University of LYON              http://www.universite-lyon.fr/
   6   - Léon Bérard cancer center       http://www.centreleonberard.fr
   7   - CREATIS CNRS laboratory         http://www.creatis.insa-lyon.fr
   8
   9   This software is distributed WITHOUT ANY WARRANTY; without even
  10   the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  11   PURPOSE.  See the copyright notices for more information.
  12
  13   It is distributed under dual licence
  14
  15   - BSD        See included LICENSE.txt file
  16   - CeCILL-B   http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  17   ===========================================================================**/
  18
  19 #include <QFileDialog>
  20 #include <QShortcut>
  21
  22 #include <algorithm>
  23
  24 // vv
  25 #include "vvToolHistogram.h"
  26 #include "vvProgressDialog.h"
  27 #include "vvSlicerManager.h"
  28 #include "vvSlicer.h"
  29 #include "vvToolInputSelectorWidget.h"
  30 #include "vvToolHistogramCommand.h"
  31
  32 // vtk
  33 #include <vtkAxis.h>
  34 #include <vtkImageActor.h>
  35 #include <vtkCamera.h>
  36 #include <vtkImageClip.h>
  37 #include <vtkRenderWindow.h>
  38 #include <vtkChartXY.h>
  39 #include <vtkPlot.h>
  40 #include <vtkRendererCollection.h>
  41 #include <vtkRenderer.h>
  42
  43 #include <vtkLine.h>
  44 #include <vtkCellArray.h>
  45 #include <vtkCellData.h>
  46 #include <vtkPolyDataMapper.h>
  47 #include <vtkProperty.h>
  48 #include <vtkBox.h>
  49 #include <vtkInformation.h>
  50
  51 #ifdef Q_OS_OSX
  52 # include "vvOSXHelper.h"
  53 #endif
  54
  55 //------------------------------------------------------------------------------
  56 // Create the tool and automagically (I like this word) insert it in
  57 // the main window menu.
  58 ADD_TOOL(vvToolHistogram);
  59 //------------------------------------------------------------------------------
  60
  61
  62 //------------------------------------------------------------------------------
  63 void vvToolHistogram::Initialize()
  64 {
  65   SetToolName("Histogram");
  66   SetToolMenuName("Intensity Histogram");
  67   SetToolIconFilename(":/common/icons/histogram.png");
  68   SetToolTip("Display the histogram of the image.");
  69   SetToolExperimental(false);
  70 }
  71 //------------------------------------------------------------------------------
  72
  73
  74 //------------------------------------------------------------------------------
  75 vvToolHistogram::vvToolHistogram(vvMainWindowBase * parent, Qt::WindowFlags f)
  76   :vvToolWidgetBase(parent,f),
  77    vvToolBase<vvToolHistogram>(parent),
  78    Ui::vvToolHistogram()
  79 {
  80   // GUI Initialization
  81   Ui_vvToolHistogram::setupUi(mToolWidget);
  82
  83   mModificationsDone = false;
  84
  85   // Connect signals & slots
  86   connect(mSaveHistogramButton, SIGNAL(clicked()), this, SLOT(SaveAs()));
  87
  88   // Initialize some widget
  89   HistogramWidget->hide();
  90
  91   mView = vtkSmartPointer<vtkContextView>::New();
  92   vtkSmartPointer<vtkChartXY> chart = vtkSmartPointer<vtkChartXY>::New();
  93   chart->SetAutoSize(false);
  94   chart->SetRenderEmpty(true);
  95   mView->GetScene()->AddItem(chart);
  96   mView->GetRenderer()->SetBackground(1.0, 1.0, 1.0);
  97   this->HistogramWidget->GetRenderWindow()->GetRenderers()->RemoveAllItems();
  98   this->HistogramWidget->GetRenderWindow()->AddRenderer(mView->GetRenderer());
  99   HistogramWidget->show();
 100
 101 #ifdef Q_OS_OSX
 102   disableGLHiDPI(HistogramWidget->winId());
 103 #endif
 104
 105   // Main filter
 106   mFilter = clitk::HistogramImageGenericFilter::New();
 107
 108   // Set how many inputs are needed for this tool
 109   AddInputSelector("Select one image", mFilter);
 110 }
 111 //------------------------------------------------------------------------------
 112
 113
 114 //------------------------------------------------------------------------------
 115 vvToolHistogram::~vvToolHistogram()
 116 {
 117 }
 118 //------------------------------------------------------------------------------
 119
 120
 121 //------------------------------------------------------------------------------
 122 void vvToolHistogram::computeHistogram()
 123 {
 124     if (!mCurrentSlicerManager) close();
 125     QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 126     GetArgsInfoFromGUI();
 127     HistogramWidget->hide();
 128
 129     // Main filter
 130     mFilter->SetInputVVImage(mCurrentImage);
 131     mFilter->SetArgsInfo(mArgsInfo);
 132     mFilter->Update();
 133
 134     //Creation of the XY chart
 135     vtkSmartPointer<vtkFloatArray> arrX = vtkSmartPointer<vtkFloatArray>::New();
 136     vtkSmartPointer<vtkFloatArray> arrY = vtkSmartPointer<vtkFloatArray>::New();
 137     arrX = mFilter->GetArrayX();
 138     arrY = mFilter->GetArrayY();
 139     arrX->SetName("Intensity");
 140     arrY->SetName("#Voxels");
 141     mTable->AddColumn(arrX);
 142     mTable->AddColumn(arrY);
 143
 144     //Upper and Lower lines for window/level
 145     vtkSmartPointer<vtkFloatArray> arrXUpperWindowLevel = vtkSmartPointer<vtkFloatArray>::New();
 146     vtkSmartPointer<vtkFloatArray> arrXLowerWindowLevel = vtkSmartPointer<vtkFloatArray>::New();
 147     vtkSmartPointer<vtkFloatArray> arrYWindowLevel = vtkSmartPointer<vtkFloatArray>::New();
 148     arrXUpperWindowLevel->InsertNextTuple1(mMaxWindowLevel);
 149     arrXUpperWindowLevel->InsertNextTuple1(mMaxWindowLevel);
 150     arrXLowerWindowLevel->InsertNextTuple1(mMinWindowLevel);
 151     arrXLowerWindowLevel->InsertNextTuple1(mMinWindowLevel);
 152     arrYWindowLevel->InsertNextTuple1(0.0);
 153     arrYWindowLevel->InsertNextTuple1(arrY->GetMaxNorm());
 154     arrXUpperWindowLevel->SetName("IntensityUp");
 155     arrXLowerWindowLevel->SetName("IntensityLow");
 156     arrYWindowLevel->SetName("#Voxels");
 157     mTableWindowLevel->AddColumn(arrXUpperWindowLevel);
 158     mTableWindowLevel->AddColumn(arrXLowerWindowLevel);
 159     mTableWindowLevel->AddColumn(arrYWindowLevel);
 160
 161     displayHistogram();
 162 }
 163 //------------------------------------------------------------------------------
 164
 165
 166 //------------------------------------------------------------------------------
 167 void vvToolHistogram::displayHistogram()
 168 {
 169     if (!mCurrentSlicerManager) close();
 170     HistogramWidget->hide();
 171
 172
 173     vtkSmartPointer<vtkChartXY> chart = vtkSmartPointer<vtkChartXY>::New();
 174     chart->SetAutoSize(true);
 175     mView->GetScene()->ClearItems();
 176     mView->GetScene()->AddItem(chart);
 177     vtkPlot *line = chart->AddPlot(vtkChart::LINE);
 178 #if VTK_MAJOR_VERSION <= 5
 179     line->SetInput(mTable, 0, 1);
 180 #else
 181     line->SetInputData(mTable, 0, 1);
 182 #endif
 183     line->SetColor(0, 255, 0, 255);
 184     line->SetWidth(1.0);
 185
 186
 187     vtkPlot *upperWindowLine = chart->AddPlot(vtkChart::LINE);
 188     vtkPlot *lowerWindowLine = chart->AddPlot(vtkChart::LINE);
 189 #if VTK_MAJOR_VERSION <= 5
 190     upperWindowLine->SetInput(mTableWindowLevel, 0, 2);
 191     lowerWindowLine->SetInput(mTableWindowLevel, 1, 2);
 192 #else
 193     upperWindowLine->SetInputData(mTableWindowLevel, 0, 2);
 194     lowerWindowLine->SetInputData(mTableWindowLevel, 1, 2);
 195 #endif
 196     upperWindowLine->SetColor(255, 0, 0, 255);
 197     lowerWindowLine->SetColor(255, 0, 0, 255);
 198     upperWindowLine->SetWidth(1.0);
 199     lowerWindowLine->SetWidth(1.0);
 200
 201     chart->GetAxis(vtkAxis::LEFT)->SetTitle("#Voxels");
 202     chart->GetAxis(vtkAxis::BOTTOM)->SetTitle("Intensity");
 203
 204     this->HistogramWidget->GetRenderWindow()->GetRenderers()->RemoveAllItems();
 205     this->HistogramWidget->GetRenderWindow()->AddRenderer(mView->GetRenderer());
 206     HistogramWidget->show();
 207
 208     QApplication::restoreOverrideCursor();
 209 }
 210 //------------------------------------------------------------------------------
 211
 212
 213 //------------------------------------------------------------------------------
 214 void vvToolHistogram::changeWindowLevel()
 215 {
 216   vtkFloatArray* upperArray = vtkFloatArray::New();
 217   upperArray = static_cast<vtkFloatArray*>(mTableWindowLevel->GetColumn(0));
 218   upperArray->SetTuple1(0, mMaxWindowLevel);
 219   upperArray->SetTuple1(1, mMaxWindowLevel);
 220   vtkFloatArray* lowerArray = vtkFloatArray::New();
 221   lowerArray = static_cast<vtkFloatArray*>(mTableWindowLevel->GetColumn(1));
 222   lowerArray->SetTuple1(0, mMinWindowLevel);
 223   lowerArray->SetTuple1(1, mMinWindowLevel);
 224   displayHistogram();
 225   mCurrentSlicerManager->UpdateWindowLevel();
 226   mCurrentSlicerManager->Render();
 227 }
 228 //------------------------------------------------------------------------------
 229
 230
 231 //------------------------------------------------------------------------------
 232 void vvToolHistogram::windowLevelChanged()
 233 {
 234   computeMinMax();
 235   changeWindowLevel();
 236 }
 237 //------------------------------------------------------------------------------
 238
 239
 240 //------------------------------------------------------------------------------
 241 void vvToolHistogram::RemoveVTKObjects()
 242 {
 243 }
 244 //------------------------------------------------------------------------------
 245
 246
 247 //------------------------------------------------------------------------------
 248 bool vvToolHistogram::close()
 249 {
 250   if (!mModificationsDone)
 251   {
 252     mCurrentSlicerManager->SetColorLevel(originalLevel);
 253     mCurrentSlicerManager->SetColorWindow(originalWindow);
 254     mCurrentSlicerManager->UpdateWindowLevel();
 255     mCurrentSlicerManager->Render();
 256   }
 257   return vvToolWidgetBase::close();
 258 }
 259 //------------------------------------------------------------------------------
 260
 261
 262 //------------------------------------------------------------------------------
 263 void vvToolHistogram::closeEvent(QCloseEvent *event)
 264 {
 265   RemoveVTKObjects();
 266   event->accept();
 267 }
 268 //------------------------------------------------------------------------------
 269
 270
 271 //------------------------------------------------------------------------------
 272 void vvToolHistogram::reject()
 273 {
 274   // DD("vvToolHistogram::reject");
 275   RemoveVTKObjects();
 276   return vvToolWidgetBase::reject();
 277 }
 278 //------------------------------------------------------------------------------
 279
 280
 281 //------------------------------------------------------------------------------
 282 void vvToolHistogram::InputIsSelected(vvSlicerManager * m)
 283 {
 284   mCurrentSlicerManager = m;
 285
 286   mSaveHistogramButton->setEnabled(true);
 287   mTextFileName = "Histogram.txt";
 288
 289   mTableWindowLevel = vtkSmartPointer<vtkTable>::New();
 290   mTable = vtkSmartPointer<vtkTable>::New();
 291
 292   originalWindow = mCurrentSlicerManager->GetColorWindow();
 293   originalLevel = mCurrentSlicerManager->GetColorLevel();
 294
 295   //Compute Min & Max for Window/Level
 296   computeMinMax();
 297
 298   computeHistogram();
 299
 300   // Connect signals & slots
 301   vvToolHistogramCommand *smc = vvToolHistogramCommand::New();
 302   smc->mHist = this;
 303   HistogramWidget->GetRenderWindow()->GetInteractor()->GetInteractorStyle()->AddObserver(vtkCommand::LeftButtonPressEvent, smc);
 304   HistogramWidget->GetRenderWindow()->GetInteractor()->GetInteractorStyle()->AddObserver(vtkCommand::MouseMoveEvent, smc);
 305   HistogramWidget->GetRenderWindow()->GetInteractor()->GetInteractorStyle()->AddObserver(vtkCommand::MouseWheelForwardEvent, smc);
 306   HistogramWidget->GetRenderWindow()->GetInteractor()->GetInteractorStyle()->AddObserver(vtkCommand::MouseWheelBackwardEvent, smc);
 307   smc->Delete();
 308
 309 }
 310 //------------------------------------------------------------------------------
 311
 312
 313 //------------------------------------------------------------------------------
 314 QVTKWidget* vvToolHistogram::GetHistogramWidget()
 315 {
 316   return(HistogramWidget);
 317 }
 318 //------------------------------------------------------------------------------
 319
 320
 321 //------------------------------------------------------------------------------
 322 void vvToolHistogram::computeMinMax()
 323 {
 324   mMinWindowLevel = mCurrentSlicerManager->GetColorLevel() - mCurrentSlicerManager->GetColorWindow()/2.0;
 325   mMaxWindowLevel = mCurrentSlicerManager->GetColorLevel() + mCurrentSlicerManager->GetColorWindow()/2.0;
 326 }
 327 //------------------------------------------------------------------------------
 328
 329
 330 //------------------------------------------------------------------------------
 331 void vvToolHistogram::computeWindowLevel()
 332 {
 333   double window = mMaxWindowLevel - mMinWindowLevel;
 334   double level = (mMaxWindowLevel + mMinWindowLevel)/2.0;
 335 }
 336 //------------------------------------------------------------------------------
 337
 338
 339 //------------------------------------------------------------------------------
 340 void vvToolHistogram::expandWindow()
 341 {
 342   mCurrentSlicerManager->SetColorWindow(mCurrentSlicerManager->GetColorWindow()+10.0);
 343   computeMinMax();
 344   changeWindowLevel();
 345 }
 346 //------------------------------------------------------------------------------
 347
 348
 349 //------------------------------------------------------------------------------
 350 void vvToolHistogram::reduceWindow()
 351 {
 352   mCurrentSlicerManager->SetColorWindow(mCurrentSlicerManager->GetColorWindow()-10.0);
 353   computeMinMax();
 354   changeWindowLevel();
 355 }
 356 //------------------------------------------------------------------------------
 357
 358
 359 //------------------------------------------------------------------------------
 360 void vvToolHistogram::translateWindow(double x)
 361 {
 362   mCurrentSlicerManager->SetColorLevel(mCurrentSlicerManager->GetColorLevel()+10.0*x);
 363   computeMinMax();
 364   changeWindowLevel();
 365 }
 366 //------------------------------------------------------------------------------
 367
 368
 369 //------------------------------------------------------------------------------
 370 void vvToolHistogram::GetArgsInfoFromGUI()
 371 {
 372
 373   /* //KEEP THIS FOR READING GGO FROM FILE
 374      int argc=1;
 375      std::string a = "toto";
 376      char * const* argv = new char*;
 377      //a.c_str();
 378      struct cmdline_parser_params p;
 379      p.check_required = 0;
 380      int good = cmdline_parser_ext(argc, argv, &args_info, &p);
 381      DD(good);
 382   */
 383   cmdline_parser_clitkHistogramImage_init(&mArgsInfo); // Initialisation to default
 384
 385   mArgsInfo.verbose_flag = false;
 386
 387   // Required (even if not used)
 388   mArgsInfo.input_given = 0;
 389   mArgsInfo.output_given = 0;
 390
 391   mArgsInfo.input_arg = new char;
 392   mArgsInfo.output_arg = new char;
 393
 394 }
 395 //------------------------------------------------------------------------------
 396
 397
 398 //------------------------------------------------------------------------------
 399 void vvToolHistogram::apply()
 400 {
 401   mModificationsDone = true;
 402   close();
 403 }
 404 //------------------------------------------------------------------------------
 405
 406
 407 //------------------------------------------------------------------------------
 408 void vvToolHistogram::SaveAs()
 409 {
 410   QStringList OutputListeFormat;
 411   OutputListeFormat.clear();
 412   OutputListeFormat.push_back(".txt");
 413
 414   QString Extensions = "AllFiles(*.*)";
 415   for (int i = 0; i < OutputListeFormat.count(); i++) {
 416     Extensions += ";;Text File ( *";
 417     Extensions += OutputListeFormat[i];
 418     Extensions += ")";
 419   }
 420   QString fileName = QFileDialog::getSaveFileName(this, tr("Save As"), mTextFileName.c_str(), Extensions);
 421   if (!fileName.isEmpty()) {
 422     std::string fileformat = itksys::SystemTools::GetFilenameLastExtension(fileName.toStdString());
 423     QString fileQFormat = fileformat.c_str();
 424     if (OutputListeFormat.contains(fileformat.c_str()) || fileQFormat.isEmpty()) {
 425         QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 426         std::string action = "Saving";
 427         vvProgressDialog progress("Saving "+fileName.toStdString());
 428         qApp->processEvents();
 429
 430         if (!mCurrentSlicerManager) {
 431             close();
 432             return;
 433         }
 434
 435         // Output
 436         mTextFileName = fileName.toStdString();
 437         if (fileQFormat.isEmpty())
 438             mTextFileName += ".txt";
 439         ofstream fileOpen(mTextFileName.c_str(), std::ofstream::trunc);
 440
 441         if(!fileOpen) {
 442             cerr << "Error during saving" << endl;
 443             QApplication::restoreOverrideCursor();
 444             close();
 445             return;
 446         }
 447
 448         vtkSmartPointer<vtkFloatArray> arrX = vtkSmartPointer<vtkFloatArray>::New();
 449         vtkSmartPointer<vtkFloatArray> arrY = vtkSmartPointer<vtkFloatArray>::New();
 450         arrX = mFilter->GetArrayX();
 451         arrY = mFilter->GetArrayY();
 452         int i(0);
 453         fileOpen << "Value represents the number of voxels around the corresponding intensity (by default the windows size around intensity is log(range))" << endl;
 454         fileOpen << "Intensity" << "\t" << "Value" << endl;
 455
 456         while (i<arrX->GetNumberOfTuples()) {
 457             fileOpen << arrX->GetTuple(i)[0] << "\t" << arrY->GetTuple(i)[0] << endl;
 458             ++i;
 459         }
 460
 461         fileOpen.close();
 462         QApplication::restoreOverrideCursor();
 463     } else {
 464       QString error = fileformat.c_str();
 465       error += " format unknown !!!\n";
 466       QMessageBox::information(this,tr("Saving Problem"),error);
 467       SaveAs();
 468     }
 469   }
 470 }
 471 //------------------------------------------------------------------------------