diff --git a/Modules/SegmentationUI/Qmitk/QmitkAdaptiveRegionGrowingToolGUI.cpp b/Modules/SegmentationUI/Qmitk/QmitkAdaptiveRegionGrowingToolGUI.cpp index 3d241c0a49..8bed62212c 100644 --- a/Modules/SegmentationUI/Qmitk/QmitkAdaptiveRegionGrowingToolGUI.cpp +++ b/Modules/SegmentationUI/Qmitk/QmitkAdaptiveRegionGrowingToolGUI.cpp @@ -1,848 +1,846 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #include "QmitkAdaptiveRegionGrowingToolGUI.h" #include "QmitkStdMultiWidget.h" #include #include "mitkNodePredicateDataType.h" -#include "mitkGlobalInteraction.h" -#include "mitkPointSetInteractor.h" #include "mitkProperties.h" #include "mitkITKImageImport.h" #include "mitkImageAccessByItk.h" #include "mitkTransferFunctionProperty.h" #include "mitkImageTimeSelector.h" #include "mitkImageStatisticsHolder.h" #include #include #include #include #include "itkOrImageFilter.h" #include "mitkImageCast.h" #include "QmitkConfirmSegmentationDialog.h" #include "mitkPixelTypeMultiplex.h" #include "mitkImagePixelReadAccessor.h" MITK_TOOL_GUI_MACRO( , QmitkAdaptiveRegionGrowingToolGUI, "") QmitkAdaptiveRegionGrowingToolGUI::QmitkAdaptiveRegionGrowingToolGUI(QWidget* parent) : QmitkToolGUI(), m_MultiWidget(NULL), m_UseVolumeRendering(false), m_UpdateSuggestedThreshold(true), m_SuggestedThValue(0.0), m_DataStorage(NULL) { this->setParent(parent); m_Controls.setupUi(this); m_Controls.m_ThresholdSlider->setDecimals(1); m_Controls.m_ThresholdSlider->setSpinBoxAlignment(Qt::AlignVCenter); m_Controls.m_PreviewSlider->setEnabled(false); m_Controls.m_PreviewSlider->setSingleStep(0.5); //Not yet available //m_Controls.m_PreviewSlider->InvertedAppearance(true); this->CreateConnections(); this->SetDataNodeNames("labeledRGSegmentation","RGResult","RGFeedbackSurface"); connect( this, SIGNAL(NewToolAssociated(mitk::Tool*)), this, SLOT(OnNewToolAssociated(mitk::Tool*)) ); } QmitkAdaptiveRegionGrowingToolGUI::~QmitkAdaptiveRegionGrowingToolGUI() { //Removing the observer of the PointSet node if (m_RegionGrow3DTool->GetPointSetNode().IsNotNull()) { m_RegionGrow3DTool->GetPointSetNode()->GetData()->RemoveObserver(m_PointSetAddObserverTag); } this->RemoveHelperNodes(); } void QmitkAdaptiveRegionGrowingToolGUI::OnNewToolAssociated(mitk::Tool* tool) { m_RegionGrow3DTool = dynamic_cast (tool); if(m_RegionGrow3DTool.IsNotNull()) { SetInputImageNode( this->m_RegionGrow3DTool->GetReferenceData() ); this->m_DataStorage = this->m_RegionGrow3DTool->GetDataStorage(); this->EnableControls(true); //Watch for point added or modified itk::SimpleMemberCommand::Pointer pointAddedCommand = itk::SimpleMemberCommand::New(); pointAddedCommand->SetCallbackFunction(this, &QmitkAdaptiveRegionGrowingToolGUI::OnPointAdded); m_PointSetAddObserverTag = m_RegionGrow3DTool->GetPointSetNode()->GetData()->AddObserver( mitk::PointSetAddEvent(), pointAddedCommand); } else { this->EnableControls(false); } } void QmitkAdaptiveRegionGrowingToolGUI::RemoveHelperNodes() { mitk::DataNode::Pointer imageNode = m_DataStorage->GetNamedNode( m_NAMEFORLABLEDSEGMENTATIONIMAGE); if( imageNode.IsNotNull() ) { m_DataStorage->Remove(imageNode); } } void QmitkAdaptiveRegionGrowingToolGUI::CreateConnections() { //Connecting GUI components connect( (QObject*) (m_Controls.m_pbRunSegmentation), SIGNAL(clicked()), this, SLOT(RunSegmentation())); connect( m_Controls.m_PreviewSlider, SIGNAL(valueChanged(double)), this, SLOT(ChangeLevelWindow(double))); connect( (QObject*) (m_Controls.m_pbConfirmSegementation), SIGNAL(clicked()), this, SLOT(ConfirmSegmentation())); connect( (QObject*) (m_Controls.m_cbVolumeRendering), SIGNAL(toggled(bool)), this, SLOT(UseVolumeRendering(bool) )); connect( m_Controls.m_ThresholdSlider, SIGNAL(maximumValueChanged(double)), this, SLOT(SetUpperThresholdValue(double))); connect( m_Controls.m_ThresholdSlider, SIGNAL(minimumValueChanged(double)), this, SLOT(SetLowerThresholdValue(double))); } void QmitkAdaptiveRegionGrowingToolGUI::SetDataNodeNames(std::string labledSegmentation, std::string binaryImage, std::string surface) { m_NAMEFORLABLEDSEGMENTATIONIMAGE = labledSegmentation; m_NAMEFORBINARYIMAGE = binaryImage; m_NAMEFORSURFACE = surface; } void QmitkAdaptiveRegionGrowingToolGUI::SetDataStorage(mitk::DataStorage* dataStorage) { m_DataStorage = dataStorage; } void QmitkAdaptiveRegionGrowingToolGUI::SetMultiWidget(QmitkStdMultiWidget* multiWidget) { m_MultiWidget = multiWidget; } void QmitkAdaptiveRegionGrowingToolGUI::SetInputImageNode(mitk::DataNode* node) { m_InputImageNode = node; mitk::Image* inputImage = dynamic_cast(m_InputImageNode->GetData()); if (inputImage) { mitk::ScalarType max = inputImage->GetStatistics()->GetScalarValueMax(); mitk::ScalarType min = inputImage->GetStatistics()->GetScalarValueMin(); m_Controls.m_ThresholdSlider->setMaximum(max); m_Controls.m_ThresholdSlider->setMinimum(min); // Just for initialization m_Controls.m_ThresholdSlider->setMaximumValue(max); m_Controls.m_ThresholdSlider->setMinimumValue(min); } } template static void AccessPixel(mitk::PixelType ptype, const mitk::Image::Pointer im, mitk::Point3D p, int & val) { mitk::ImagePixelReadAccessor access(im); val = access.GetPixelByWorldCoordinates(p); } void QmitkAdaptiveRegionGrowingToolGUI::OnPointAdded() { if (m_RegionGrow3DTool.IsNull()) return; mitk::DataNode* node = m_RegionGrow3DTool->GetPointSetNode(); if (node != NULL) { mitk::PointSet::Pointer pointSet = dynamic_cast(node->GetData()); if (pointSet.IsNull()) { QMessageBox::critical(NULL, "QmitkAdaptiveRegionGrowingToolGUI", "PointSetNode does not contain a pointset"); return; } m_Controls.m_lblSetSeedpoint->setText(""); mitk::Image* image = dynamic_cast(m_InputImageNode->GetData()); mitk::Point3D seedPoint = pointSet->GetPointSet(mitk::BaseRenderer::GetInstance( mitk::BaseRenderer::GetRenderWindowByName("stdmulti.widget1") )->GetTimeStep())->GetPoints()->ElementAt(0); mitkPixelTypeMultiplex3(AccessPixel,image->GetChannelDescriptor().GetPixelType(),image,seedPoint,m_SeedpointValue); /* In this case the seedpoint is placed e.g. in the lung or bronchialtree * The lowerFactor sets the windowsize depending on the regiongrowing direction */ m_CurrentRGDirectionIsUpwards = true; if (m_SeedpointValue < -500) { m_CurrentRGDirectionIsUpwards = false; } // Initializing the region by the area around the seedpoint m_SeedPointValueMean = 0; itk::Index<3> currentIndex, runningIndex; mitk::ScalarType pixelValues[125]; unsigned int pos (0); image->GetGeometry(0)->WorldToIndex(seedPoint, currentIndex); runningIndex = currentIndex; for(int i = runningIndex[0]-2; i <= runningIndex[0]+2; i++) { for(int j = runningIndex[1]-2; j <= runningIndex[1]+2; j++) { for(int k = runningIndex[2]-2; k <= runningIndex[2]+2; k++) { currentIndex[0] = i; currentIndex[1] = j; currentIndex[2] = k; if(image->GetGeometry()->IsIndexInside(currentIndex)) { pixelValues[pos] = image->GetPixelValueByIndex(currentIndex); pos++; } else { pixelValues[pos] = -10000000; pos++; } } } } //Now calculation mean of the pixelValues unsigned int numberOfValues(0); for (unsigned int i = 0; i < 125; i++) { if(pixelValues[i] > -10000000) { m_SeedPointValueMean += pixelValues[i]; numberOfValues++; } } m_SeedPointValueMean = m_SeedPointValueMean/numberOfValues; /* * Here the upper- and lower threshold is calculated: * The windowSize is 20% of the maximum range of the intensity values existing in the current image * If the RG direction is upwards the lower TH is meanSeedValue-0.15*windowSize and upper TH is meanSeedValue+0.85*windowsSize * if the RG direction is downwards the lower TH is meanSeedValue-0.85*windowSize and upper TH is meanSeedValue+0.15*windowsSize */ mitk::ScalarType min = image->GetStatistics()->GetScalarValueMin(); mitk::ScalarType max = image->GetStatistics()->GetScalarValueMax(); mitk::ScalarType windowSize = max - min; windowSize = 0.15*windowSize; if (m_CurrentRGDirectionIsUpwards) { m_LOWERTHRESHOLD = m_SeedPointValueMean; if (m_SeedpointValue < m_SeedPointValueMean) m_LOWERTHRESHOLD = m_SeedpointValue; m_UPPERTHRESHOLD = m_SeedpointValue + windowSize; if (m_UPPERTHRESHOLD > max) m_UPPERTHRESHOLD = max; m_Controls.m_ThresholdSlider->setMaximumValue(m_UPPERTHRESHOLD); m_Controls.m_ThresholdSlider->setMinimumValue(m_LOWERTHRESHOLD); } else { m_UPPERTHRESHOLD = m_SeedPointValueMean; if (m_SeedpointValue > m_SeedPointValueMean) m_UPPERTHRESHOLD = m_SeedpointValue; m_LOWERTHRESHOLD = m_SeedpointValue - windowSize; if (m_LOWERTHRESHOLD < min) m_LOWERTHRESHOLD = min; m_Controls.m_ThresholdSlider->setMinimumValue(m_LOWERTHRESHOLD); m_Controls.m_ThresholdSlider->setMaximumValue(m_UPPERTHRESHOLD); } } } void QmitkAdaptiveRegionGrowingToolGUI::RunSegmentation() { if (m_InputImageNode.IsNull()) { QMessageBox::information( NULL, "Adaptive Region Growing functionality", "Please specify the image in Datamanager!"); return; } mitk::DataNode::Pointer node = m_RegionGrow3DTool->GetPointSetNode(); if (node.IsNull()) { QMessageBox::information( NULL, "Adaptive Region Growing functionality", "Please insert a seed point inside the image.\n\nFirst press the \"Define Seed Point\" button,\nthen click left mouse button inside the image."); return; } //safety if no pointSet or pointSet empty mitk::PointSet::Pointer seedPointSet = dynamic_cast (node->GetData()); if (seedPointSet.IsNull()) { m_Controls.m_pbRunSegmentation->setEnabled(true); QMessageBox::information( NULL, "Adaptive Region Growing functionality", "The seed point is empty! Please choose a new seed point."); return; } int timeStep = mitk::BaseRenderer::GetInstance( mitk::BaseRenderer::GetRenderWindowByName("stdmulti.widget1") )->GetTimeStep(); if (!(seedPointSet->GetSize(timeStep))) { m_Controls.m_pbRunSegmentation->setEnabled(true); QMessageBox::information( NULL, "Adaptive Region Growing functionality", "The seed point is empty! Please choose a new seed point."); return; } QApplication::setOverrideCursor( QCursor(Qt::WaitCursor) ); mitk::PointSet::PointType seedPoint = seedPointSet->GetPointSet(timeStep)->GetPoints()->Begin().Value(); mitk::Image::Pointer orgImage = dynamic_cast (m_InputImageNode->GetData()); if (orgImage.IsNotNull()) { if (orgImage->GetDimension() == 4) { mitk::ImageTimeSelector::Pointer timeSelector = mitk::ImageTimeSelector::New(); timeSelector->SetInput(orgImage); timeSelector->SetTimeNr( timeStep ); timeSelector->UpdateLargestPossibleRegion(); mitk::Image* timedImage = timeSelector->GetOutput(); AccessByItk_2( timedImage , StartRegionGrowing, timedImage->GetGeometry(), seedPoint); } else if (orgImage->GetDimension() == 3) { //QApplication::setOverrideCursor(QCursor(Qt::WaitCursor)); //set the cursor to waiting AccessByItk_2(orgImage, StartRegionGrowing, orgImage->GetGeometry(), seedPoint); //QApplication::restoreOverrideCursor();//reset cursor } else { QApplication::restoreOverrideCursor();//reset cursor QMessageBox::information( NULL, "Adaptive Region Growing functionality", "Only images of dimension 3 or 4 can be processed!"); return; } } EnableControls(true); // Segmentation ran successfully, so enable all controls. node->SetVisibility(true); QApplication::restoreOverrideCursor();//reset cursor } template void QmitkAdaptiveRegionGrowingToolGUI::StartRegionGrowing(itk::Image* itkImage, mitk::BaseGeometry* imageGeometry, mitk::PointSet::PointType seedPoint) { typedef itk::Image InputImageType; typedef typename InputImageType::IndexType IndexType; typedef itk::ConnectedAdaptiveThresholdImageFilter RegionGrowingFilterType; typename RegionGrowingFilterType::Pointer regionGrower = RegionGrowingFilterType::New(); typedef itk::MinimumMaximumImageCalculator MinMaxValueFilterType; if ( !imageGeometry->IsInside(seedPoint) ) { QApplication::restoreOverrideCursor();//reset cursor to be able to click ok with the regular mouse cursor QMessageBox::information( NULL, "Segmentation functionality", "The seed point is outside of the image! Please choose a position inside the image!"); return; } IndexType seedIndex; imageGeometry->WorldToIndex( seedPoint, seedIndex);// convert world coordinates to image indices if (m_SeedpointValue>m_UPPERTHRESHOLD || m_SeedpointValueSetGrowingDirectionIsUpwards( m_CurrentRGDirectionIsUpwards ); regionGrower->SetInput( itkImage ); regionGrower->AddSeed( seedIndex ); //In some cases we have to subtract 1 for the lower threshold and add 1 to the upper. //Otherwise no region growing is done. Maybe a bug in the ConnectiveAdaptiveThresholdFilter regionGrower->SetLower( m_LOWERTHRESHOLD-1 ); regionGrower->SetUpper( m_UPPERTHRESHOLD+1); try { regionGrower->Update(); } catch(itk::ExceptionObject &exc) { QMessageBox errorInfo; errorInfo.setWindowTitle("Adaptive RG Segmentation Functionality"); errorInfo.setIcon(QMessageBox::Critical); errorInfo.setText("An error occurred during region growing!"); errorInfo.setDetailedText(exc.what()); errorInfo.exec(); return; // can't work } catch( ... ) { QMessageBox::critical( NULL, "Adaptive RG Segmentation Functionality", "An error occurred during region growing!"); return; } mitk::Image::Pointer resultImage = mitk::ImportItkImage(regionGrower->GetOutput())->Clone(); //initialize slider m_Controls.m_PreviewSlider->setMinimum(m_LOWERTHRESHOLD); mitk::ScalarType max = m_LOWERTHRESHOLD+resultImage->GetStatistics()->GetScalarValueMax(); if (max < m_UPPERTHRESHOLD) m_Controls.m_PreviewSlider->setMaximum(max); else m_Controls.m_PreviewSlider->setMaximum(m_UPPERTHRESHOLD); this->m_DetectedLeakagePoint = regionGrower->GetLeakagePoint(); if(m_CurrentRGDirectionIsUpwards) { m_Controls.m_PreviewSlider->setValue(m_SeedPointValueMean-1); } else { m_Controls.m_PreviewSlider->setValue(m_SeedPointValueMean+1); } this->m_SliderInitialized = true; //create new node and then delete the old one if there is one mitk::DataNode::Pointer newNode = mitk::DataNode::New(); newNode->SetData( resultImage ); // set some properties newNode->SetProperty("name", mitk::StringProperty::New(m_NAMEFORLABLEDSEGMENTATIONIMAGE)); newNode->SetProperty("helper object", mitk::BoolProperty::New(true)); newNode->SetProperty("color", mitk::ColorProperty::New(0.0,1.0,0.0)); newNode->SetProperty("layer", mitk::IntProperty::New(1)); newNode->SetProperty("opacity", mitk::FloatProperty::New(0.7)); //delete the old image, if there was one: mitk::DataNode::Pointer binaryNode = m_DataStorage->GetNamedNode(m_NAMEFORLABLEDSEGMENTATIONIMAGE); m_DataStorage->Remove(binaryNode); // now add result to data tree m_DataStorage->Add( newNode, m_InputImageNode ); this->InitializeLevelWindow(); if(m_UseVolumeRendering) this->EnableVolumeRendering(true); m_UpdateSuggestedThreshold = true;// reset first stored threshold value //Setting progress to finished mitk::ProgressBar::GetInstance()->Progress(357); mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } void QmitkAdaptiveRegionGrowingToolGUI::InitializeLevelWindow() { //get the preview from the datatree mitk::DataNode::Pointer newNode = m_DataStorage->GetNamedNode( m_NAMEFORLABLEDSEGMENTATIONIMAGE); mitk::LevelWindow tempLevelWindow; newNode->GetLevelWindow(tempLevelWindow, NULL, "levelwindow"); mitk::ScalarType* level = new mitk::ScalarType(0.0); mitk::ScalarType* window = new mitk::ScalarType(1.0); int upper; if (m_CurrentRGDirectionIsUpwards) { upper = m_UPPERTHRESHOLD - m_SeedpointValue; } else { upper = m_SeedpointValue - m_LOWERTHRESHOLD; } tempLevelWindow.SetRangeMinMax(mitk::ScalarType(0), mitk::ScalarType(upper)); //get the suggested threshold from the detected leakage-point and adjust the slider if (m_CurrentRGDirectionIsUpwards) { this->m_Controls.m_PreviewSlider->setValue(m_SeedpointValue); *level = m_UPPERTHRESHOLD - (m_SeedpointValue) + 0.5; } else { this->m_Controls.m_PreviewSlider->setValue(m_SeedpointValue); *level = (m_SeedpointValue) - m_LOWERTHRESHOLD + 0.5; } tempLevelWindow.SetLevelWindow(*level, *window); newNode->SetLevelWindow(tempLevelWindow, NULL, "levelwindow"); //update the widgets mitk::RenderingManager::GetInstance()->RequestUpdateAll(); m_SliderInitialized = true; //inquiry need to fix bug#1828 static int lastSliderPosition = 0; if ((this->m_SeedpointValue + this->m_DetectedLeakagePoint - 1) == lastSliderPosition) { this->ChangeLevelWindow(lastSliderPosition); } lastSliderPosition = this->m_SeedpointValue + this->m_DetectedLeakagePoint-1; if(m_MultiWidget) { this->m_MultiWidget->levelWindowWidget->GetManager()->SetAutoTopMostImage(false); this->m_MultiWidget->levelWindowWidget->GetManager()->SetLevelWindowProperty(static_cast(newNode->GetProperty("levelwindow"))); } if (m_UseVolumeRendering) this->UpdateVolumeRenderingThreshold((int) (*level + 0.5));//lower threshold for labeled image } void QmitkAdaptiveRegionGrowingToolGUI::ChangeLevelWindow(double newValue) { if (m_SliderInitialized) { //do nothing, if no preview exists mitk::DataNode::Pointer newNode = m_DataStorage->GetNamedNode( m_NAMEFORLABLEDSEGMENTATIONIMAGE); if (newNode.IsNull()) return; mitk::LevelWindow tempLevelWindow; newNode->GetLevelWindow(tempLevelWindow, NULL, "levelwindow"); //get the levelWindow associated with the preview mitk::ScalarType level;// = this->m_UPPERTHRESHOLD - newValue + 0.5; mitk::ScalarType* window = new mitk::ScalarType(1); //adjust the levelwindow according to the position of the slider (newvalue) if (m_CurrentRGDirectionIsUpwards) { level = m_UPPERTHRESHOLD - newValue + 0.5; tempLevelWindow.SetLevelWindow(level, *window); } else { level = newValue - m_LOWERTHRESHOLD +0.5; tempLevelWindow.SetLevelWindow(level, *window); } newNode->SetLevelWindow(tempLevelWindow, NULL, "levelwindow"); if (m_UseVolumeRendering) this->UpdateVolumeRenderingThreshold((int) (level - 0.5));//lower threshold for labeled image newNode->SetVisibility(true); mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } } void QmitkAdaptiveRegionGrowingToolGUI::DecreaseSlider() { //moves the slider one step to the left, when the "-"-button is pressed if (this->m_Controls.m_PreviewSlider->value() != this->m_Controls.m_PreviewSlider->minimum()) { int newValue = this->m_Controls.m_PreviewSlider->value() - 1; this->ChangeLevelWindow(newValue); this->m_Controls.m_PreviewSlider->setValue(newValue); } } void QmitkAdaptiveRegionGrowingToolGUI::IncreaseSlider() { //moves the slider one step to the right, when the "+"-button is pressed if (this->m_Controls.m_PreviewSlider->value() != this->m_Controls.m_PreviewSlider->maximum()) { int newValue = this->m_Controls.m_PreviewSlider->value() + 1; this->ChangeLevelWindow(newValue); this->m_Controls.m_PreviewSlider->setValue(newValue); } } void QmitkAdaptiveRegionGrowingToolGUI::ConfirmSegmentation() { //get image node if(m_InputImageNode.IsNull()) { QMessageBox::critical( NULL, "Adaptive region growing functionality", "Please specify the image in Datamanager!"); return; } //get image data mitk::Image::Pointer orgImage = dynamic_cast (m_InputImageNode->GetData()); if(orgImage.IsNull()) { QMessageBox::critical( NULL, "Adaptive region growing functionality", "No Image found!"); return; } //get labeled segmentation mitk::Image::Pointer labeledSeg = (mitk::Image*)m_DataStorage->GetNamedObject(m_NAMEFORLABLEDSEGMENTATIONIMAGE); if(labeledSeg.IsNull()) { QMessageBox::critical( NULL, "Adaptive region growing functionality", "No Segmentation Preview found!"); return; } mitk::DataNode::Pointer newNode = m_DataStorage->GetNamedNode( m_NAMEFORLABLEDSEGMENTATIONIMAGE); if (newNode.IsNull()) return; QmitkConfirmSegmentationDialog dialog; QString segName = QString::fromStdString(m_RegionGrow3DTool->GetCurrentSegmentationName()); dialog.SetSegmentationName(segName); int result = dialog.exec(); switch(result) { case QmitkConfirmSegmentationDialog::CREATE_NEW_SEGMENTATION: m_RegionGrow3DTool->SetOverwriteExistingSegmentation(false); break; case QmitkConfirmSegmentationDialog::OVERWRITE_SEGMENTATION: m_RegionGrow3DTool->SetOverwriteExistingSegmentation(true); break; case QmitkConfirmSegmentationDialog::CANCEL_SEGMENTATION: return; } mitk::Image* img = dynamic_cast(newNode->GetData()); AccessByItk(img, ITKThresholding); // disable volume rendering preview after the segmentation node was created this->EnableVolumeRendering(false); newNode->SetVisibility(false); m_Controls.m_cbVolumeRendering->setChecked(false); //TODO disable slider etc... } template void QmitkAdaptiveRegionGrowingToolGUI::ITKThresholding(itk::Image* itkImage) { mitk::Image::Pointer originalSegmentation = dynamic_cast(this->m_RegionGrow3DTool-> GetTargetSegmentationNode()->GetData()); int timeStep = mitk::BaseRenderer::GetInstance( mitk::BaseRenderer::GetRenderWindowByName("stdmulti.widget1") )->GetTimeStep(); if (originalSegmentation) { typedef itk::Image InputImageType; typedef itk::Image SegmentationType; //select single 3D volume if we have more than one time step typename SegmentationType::Pointer originalSegmentationInITK = SegmentationType::New(); if(originalSegmentation->GetTimeGeometry()->CountTimeSteps() > 1) { mitk::ImageTimeSelector::Pointer timeSelector = mitk::ImageTimeSelector::New(); timeSelector->SetInput( originalSegmentation ); timeSelector->SetTimeNr( timeStep ); timeSelector->UpdateLargestPossibleRegion(); CastToItkImage( timeSelector->GetOutput(), originalSegmentationInITK ); } else //use original { CastToItkImage( originalSegmentation, originalSegmentationInITK ); } //Fill current preiview image in segmentation image originalSegmentationInITK->FillBuffer(0); itk::ImageRegionIterator itOutput( originalSegmentationInITK, originalSegmentationInITK->GetLargestPossibleRegion() ); itk::ImageRegionIterator itInput( itkImage, itkImage->GetLargestPossibleRegion() ); itOutput.GoToBegin(); itInput.GoToBegin(); //calculate threhold from slider value int currentTreshold = 0; if (m_CurrentRGDirectionIsUpwards) { currentTreshold = m_UPPERTHRESHOLD - m_Controls.m_PreviewSlider->value() + 1; } else { currentTreshold = m_Controls.m_PreviewSlider->value() - m_LOWERTHRESHOLD; } //iterate over image and set pixel in segmentation according to thresholded labeled image while( !itOutput.IsAtEnd() && !itInput.IsAtEnd() ) { //Use threshold slider to determine if pixel is set to 1 if( itInput.Value() != 0 && itInput.Value() > currentTreshold ) { itOutput.Set( 1 ); } ++itOutput; ++itInput; } //combine current working segmentation image with our region growing result originalSegmentation->SetVolume( (void*)(originalSegmentationInITK->GetPixelContainer()->GetBufferPointer()), timeStep); originalSegmentation->Modified(); mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } } void QmitkAdaptiveRegionGrowingToolGUI::EnableControls(bool enable) { if (m_RegionGrow3DTool.IsNull()) return; // Check if seed point is already set, if not leave RunSegmentation disabled //if even m_DataStorage is NULL leave node NULL mitk::DataNode::Pointer node = m_RegionGrow3DTool->GetPointSetNode(); if (node.IsNull()) { this->m_Controls.m_pbRunSegmentation->setEnabled(false); } else { this->m_Controls.m_pbRunSegmentation->setEnabled(enable); } // Check if a segmentation exists, if not leave segmentation dependent disabled. //if even m_DataStorage is NULL leave node NULL node = m_DataStorage?m_DataStorage->GetNamedNode(m_NAMEFORLABLEDSEGMENTATIONIMAGE):NULL; if (node.IsNull()) { this->m_Controls.m_PreviewSlider->setEnabled(false); this->m_Controls.m_pbConfirmSegementation->setEnabled(false); } else { this->m_Controls.m_PreviewSlider->setEnabled(enable); this->m_Controls.m_pbConfirmSegementation->setEnabled(enable); } this->m_Controls.m_cbVolumeRendering->setEnabled(enable); } void QmitkAdaptiveRegionGrowingToolGUI::EnableVolumeRendering(bool enable) { mitk::DataNode::Pointer node = m_DataStorage->GetNamedNode( m_NAMEFORLABLEDSEGMENTATIONIMAGE); if(node.IsNull()) return; if(m_MultiWidget) m_MultiWidget->SetWidgetPlanesVisibility(!enable); if (enable) { node->SetBoolProperty("volumerendering", enable); node->SetBoolProperty("volumerendering.uselod", true); } else { node->SetBoolProperty("volumerendering", enable); } mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } void QmitkAdaptiveRegionGrowingToolGUI::UpdateVolumeRenderingThreshold(int thValue) { mitk::DataNode::Pointer node = m_DataStorage->GetNamedNode( m_NAMEFORLABLEDSEGMENTATIONIMAGE); mitk::TransferFunction::Pointer tf = mitk::TransferFunction::New(); if (m_UpdateSuggestedThreshold) { m_SuggestedThValue = thValue; m_UpdateSuggestedThreshold = false; } // grayvalue->opacity { vtkPiecewiseFunction *f = tf->GetScalarOpacityFunction(); f->RemoveAllPoints(); f->AddPoint(0, 0); f->AddPoint(thValue+0.5, 0); f->AddPoint(thValue+1.5, 1); f->AddPoint(1000, 1); f->ClampingOn(); f->Modified(); } // grayvalue->color { float a = 255.0; vtkColorTransferFunction *ctf = tf->GetColorTransferFunction(); ctf->RemoveAllPoints(); //ctf->AddRGBPoint(-1000, 0.0, 0.0, 0.0); ctf->AddRGBPoint(m_SuggestedThValue+1, 203/a, 104/a, 102/a); ctf->AddRGBPoint(m_SuggestedThValue, 255/a, 0/a, 0/a); ctf->ClampingOn(); ctf->Modified(); } // GradientOpacityFunction { vtkPiecewiseFunction *gof = tf->GetGradientOpacityFunction(); gof->RemoveAllPoints(); gof->AddPoint(-10000, 1); gof->AddPoint(10000, 1); gof->ClampingOn(); gof->Modified(); } mitk::TransferFunctionProperty::Pointer tfp = mitk::TransferFunctionProperty::New(); tfp->SetValue(tf); node->SetProperty("TransferFunction", tfp); } void QmitkAdaptiveRegionGrowingToolGUI::UseVolumeRendering(bool on) { m_UseVolumeRendering = on; this->EnableVolumeRendering(on); } void QmitkAdaptiveRegionGrowingToolGUI::SetLowerThresholdValue( double lowerThreshold ) { m_LOWERTHRESHOLD = lowerThreshold; } void QmitkAdaptiveRegionGrowingToolGUI::SetUpperThresholdValue( double upperThreshold) { m_UPPERTHRESHOLD = upperThreshold; } void QmitkAdaptiveRegionGrowingToolGUI::Deactivated() { // make the segmentation preview node invisible mitk::DataNode::Pointer node = m_DataStorage->GetNamedNode( m_NAMEFORLABLEDSEGMENTATIONIMAGE); if( node.IsNotNull() ) { node->SetVisibility(false); } // disable volume rendering preview after the segmentation node was created this->EnableVolumeRendering(false); m_Controls.m_cbVolumeRendering->setChecked(false); } void QmitkAdaptiveRegionGrowingToolGUI::Activated() { }