Method UpdatePreview

Modules/Segmentation/src/Interactions/mitkSegWithPreviewTool.cpp:634–730

}

void mitk::SegWithPreviewTool::UpdatePreview(bool ignoreLazyPreviewSetting)
{
  const auto inputImage = this->GetSegmentationInput();
  auto previewImage = this->GetPreviewSegmentation();
  int progress_steps = 200;
  this->EnsureUpToDateUserDefinedActiveLabel();

  const auto workingSegmentation = this->GetTargetSegmentation();
  const auto workingImage = workingSegmentation->GetGroupImage(workingSegmentation->GetActiveLayer());

  this->CurrentlyBusy.Send(true);
  m_IsUpdating = true;
  m_IsPreviewGenerated = false;
  this->UpdatePrepare();

  const TimePointType timePoint = RenderingManager::GetInstance()->GetTimeNavigationController()->GetSelectedTimePoint();

  try
  {
    if (nullptr != inputImage && nullptr != previewImage)
    {
      m_ProgressCommand->AddStepsToDo(progress_steps);

      if (previewImage->GetTimeSteps() > 1 && (ignoreLazyPreviewSetting || !m_LazyDynamicPreviews))
      {
        for (unsigned int timeStep = 0; timeStep < previewImage->GetTimeSteps(); ++timeStep)
        {
          Image::ConstPointer feedBackImage;
          Image::ConstPointer currentSegImage;

          auto previewTimePoint = previewImage->GetTimeGeometry()->TimeStepToTimePoint(timeStep);
          auto inputTimeStep = inputImage->GetTimeGeometry()->TimePointToTimeStep(previewTimePoint);

          if (nullptr != this->GetWorkingPlaneGeometry())
          { //only extract a specific slice defined by the working plane as feedback referenceImage.
            feedBackImage = SegTool2D::GetAffectedImageSliceAs2DImage(this->GetWorkingPlaneGeometry(), inputImage, inputTimeStep);
            currentSegImage = SegTool2D::GetAffectedImageSliceAs2DImageByTimePoint(this->GetWorkingPlaneGeometry(), workingImage, previewTimePoint);
          }
          else
          { //work on the whole feedback referenceImage
            feedBackImage = this->GetImageByTimeStep(inputImage, inputTimeStep);
            currentSegImage = this->GetImageByTimePoint(workingImage, previewTimePoint);
          }

          this->DoUpdatePreview(feedBackImage, currentSegImage, previewImage, timeStep);
        }
      }
      else
      {
        Image::ConstPointer feedBackImage;
        Image::ConstPointer currentSegImage;

        if (nullptr != this->GetWorkingPlaneGeometry())
        {
          feedBackImage = SegTool2D::GetAffectedImageSliceAs2DImageByTimePoint(this->GetWorkingPlaneGeometry(), inputImage, timePoint);
          currentSegImage = SegTool2D::GetAffectedImageSliceAs2DImageByTimePoint(this->GetWorkingPlaneGeometry(), workingImage, timePoint);
        }
        else