示例#1
0
// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
void MoveData::dataCheck()
{
  setErrorCondition(0);
  DataArrayPath amSrcPath = getAttributeMatrixSource();
  DataArrayPath amDestPath = getAttributeMatrixDestination();
  DataArrayPath daSrcPath = getDataArraySource();

  if (getWhatToMove() == k_MoveAttributeMatrix)
  {
    DataContainer::Pointer amDestDataContainer = getDataContainerArray()->getPrereqDataContainer<AbstractFilter>(this, getDataContainerDestination());
    DataContainer::Pointer amSrcDataContainer = getDataContainerArray()->getPrereqDataContainer<AbstractFilter>(this, amSrcPath.getDataContainerName());
    AttributeMatrix::Pointer amSrcAttributeMatrix = getDataContainerArray()->getPrereqAttributeMatrixFromPath<AbstractFilter>(this, amSrcPath, -301);

    if(getErrorCondition() < 0) { return; }

    if (amSrcDataContainer->getName() == amDestDataContainer->getName())
    {
      QString ss = QObject::tr("The source and destination Data Container are the same.  Is this what you meant to do?");
      notifyWarningMessage(getHumanLabel(), ss, getErrorCondition());
      return;
    }

    amDestDataContainer->addAttributeMatrix(amSrcAttributeMatrix->getName(), amSrcAttributeMatrix);
    amSrcDataContainer->removeAttributeMatrix(amSrcAttributeMatrix->getName());
  }
  else if (getWhatToMove() == k_MoveDataArray )
  {
    AttributeMatrix::Pointer daSrcAttributeMatrix = getDataContainerArray()->getPrereqAttributeMatrixFromPath<AbstractFilter>(this, daSrcPath, -301);
    AttributeMatrix::Pointer daDestAttributeMatrix = getDataContainerArray()->getPrereqAttributeMatrixFromPath<AbstractFilter>(this, amDestPath, -301);
    IDataArray::Pointer daSrcDataArray = getDataContainerArray()->getPrereqIDataArrayFromPath<IDataArray, AbstractFilter>(this, daSrcPath);

    if(getErrorCondition() < 0) { return; }

    if (daDestAttributeMatrix->getNumTuples() != daSrcDataArray->getNumberOfTuples())
    {
      setErrorCondition(-11019);
      QString ss = QObject::tr("The number of tuples of source Attribute Array (%1) and destination Attribute Matrix (%2) do not match").arg(daSrcDataArray->getNumberOfTuples()).arg(daDestAttributeMatrix->getNumTuples());
      notifyErrorMessage(getHumanLabel(), ss, getErrorCondition());
      return;
    }
    else if (amSrcPath == amDestPath)
    {
      QString ss = QObject::tr("The source and destination Attribute Matrix are the same.  Is this what you meant to do?");
      notifyWarningMessage(getHumanLabel(), ss, getErrorCondition());
      return;
    }

    daDestAttributeMatrix->addAttributeArray(daSrcPath.getDataArrayName(), daSrcDataArray);
    daSrcAttributeMatrix->removeAttributeArray(daSrcPath.getDataArrayName());
  }
  else
  {
    setErrorCondition(-11020);
    QString ss = QObject::tr("Neither an Attribute Matrix nor an Attribute Array was selected to be moved");
    notifyErrorMessage(getHumanLabel(), ss, getErrorCondition());
    return;
  }
}
// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
void ChangeResolution::execute()
{
  setErrorCondition(0);
  dataCheck();
  if(getErrorCondition() < 0) { return; }

  DataContainer::Pointer m;
  if(m_SaveAsNewDataContainer == false)
  {
    m = getDataContainerArray()->getDataContainer(getCellAttributeMatrixPath().getDataContainerName());
  }
  else
  {
    m = getDataContainerArray()->getDataContainer(getNewDataContainerName());
  }

  if(m->getGeometryAs<ImageGeom>()->getXRes() == m_Resolution.x
      && m->getGeometryAs<ImageGeom>()->getYRes() == m_Resolution.y
      && m->getGeometryAs<ImageGeom>()->getZRes() == m_Resolution.z)
  {
    return;
  }

  AttributeMatrix::Pointer cellAttrMat = m->getAttributeMatrix(getCellAttributeMatrixPath().getAttributeMatrixName());

  size_t dims[3] = { 0, 0, 0 };
  m->getGeometryAs<ImageGeom>()->getDimensions(dims);

  float sizex = (dims[0]) * m->getGeometryAs<ImageGeom>()->getXRes();
  float sizey = (dims[1]) * m->getGeometryAs<ImageGeom>()->getYRes();
  float sizez = (dims[2]) * m->getGeometryAs<ImageGeom>()->getZRes();
  size_t m_XP = size_t(sizex / m_Resolution.x);
  size_t m_YP = size_t(sizey / m_Resolution.y);
  size_t m_ZP = size_t(sizez / m_Resolution.z);
  if (m_XP == 0) { m_XP = 1; }
  if (m_YP == 0) { m_YP = 1; }
  if (m_ZP == 0) { m_ZP = 1; }
  size_t totalPoints = m_XP * m_YP * m_ZP;

  float x = 0.0f, y = 0.0f, z = 0.0f;
  size_t col = 0, row = 0, plane = 0;
  size_t index;
  size_t index_old;
  std::vector<size_t> newindicies(totalPoints);

  for (size_t i = 0; i < m_ZP; i++)
  {
    QString ss = QObject::tr("Changing Resolution - %1 Percent Complete").arg(((float)i / m->getGeometryAs<ImageGeom>()->getZPoints()) * 100);
    notifyStatusMessage(getMessagePrefix(), getHumanLabel(), ss);
    for (size_t j = 0; j < m_YP; j++)
    {
      for (size_t k = 0; k < m_XP; k++)
      {
        x = (k * m_Resolution.x);
        y = (j * m_Resolution.y);
        z = (i * m_Resolution.z);
        col = size_t(x / m->getGeometryAs<ImageGeom>()->getXRes());
        row = size_t(y / m->getGeometryAs<ImageGeom>()->getYRes());
        plane = size_t(z / m->getGeometryAs<ImageGeom>()->getZRes());
        index_old = (plane * m->getGeometryAs<ImageGeom>()->getXPoints() * m->getGeometryAs<ImageGeom>()->getYPoints()) + (row * m->getGeometryAs<ImageGeom>()->getXPoints()) + col;
        index = (i * m_XP * m_YP) + (j * m_XP) + k;
        newindicies[index] = index_old;
      }
    }
  }

  QVector<size_t> tDims(3, 0);
  tDims[0] = m_XP;
  tDims[1] = m_YP;
  tDims[2] = m_ZP;
  AttributeMatrix::Pointer newCellAttrMat = AttributeMatrix::New(tDims, cellAttrMat->getName(), cellAttrMat->getType());

  QList<QString> voxelArrayNames = cellAttrMat->getAttributeArrayNames();
  for (QList<QString>::iterator iter = voxelArrayNames.begin(); iter != voxelArrayNames.end(); ++iter)
  {
    IDataArray::Pointer p = cellAttrMat->getAttributeArray(*iter);
    // Make a copy of the 'p' array that has the same name. When placed into
    // the data container this will over write the current array with
    // the same name. At least in theory.
    IDataArray::Pointer data = p->createNewArray(p->getNumberOfTuples(), p->getComponentDimensions(), p->getName());
    data->resize(totalPoints);
    void* source = NULL;
    void* destination = NULL;
    size_t newIndicies_I = 0;
    int nComp = data->getNumberOfComponents();
    for (size_t i = 0; i < static_cast<size_t>(totalPoints); i++)
    {
      newIndicies_I = newindicies[i];
      source = p->getVoidPointer((nComp * newIndicies_I));
      destination = data->getVoidPointer((data->getNumberOfComponents() * i));
      ::memcpy(destination, source, p->getTypeSize() * data->getNumberOfComponents());
    }
    cellAttrMat->removeAttributeArray(*iter);
    newCellAttrMat->addAttributeArray(*iter, data);
  }
  m->getGeometryAs<ImageGeom>()->setResolution(m_Resolution.x, m_Resolution.y, m_Resolution.z);
  m->getGeometryAs<ImageGeom>()->setDimensions(m_XP, m_YP, m_ZP);
  m->removeAttributeMatrix(getCellAttributeMatrixPath().getAttributeMatrixName());
  m->addAttributeMatrix(getCellAttributeMatrixPath().getAttributeMatrixName(), newCellAttrMat);

  // Feature Ids MUST already be renumbered.
  if (m_RenumberFeatures == true)
  {
    totalPoints = m->getGeometryAs<ImageGeom>()->getNumberOfElements();
    AttributeMatrix::Pointer cellFeatureAttrMat = m->getAttributeMatrix(getCellFeatureAttributeMatrixPath().getAttributeMatrixName());
    size_t totalFeatures = cellFeatureAttrMat->getNumTuples();
    QVector<bool> activeObjects(totalFeatures, false);
    if (0 == totalFeatures)
    {
      notifyErrorMessage(getHumanLabel(), "The number of Features is 0 and should be greater than 0", -600);
      return;
    }

    updateCellInstancePointers();

    // Find the unique set of feature ids
    for (size_t i = 0; i < totalPoints; ++i)
    {
      activeObjects[m_FeatureIds[i]] = true;
    }
    cellFeatureAttrMat->removeInactiveObjects(activeObjects, m_FeatureIdsPtr.lock());
  }

  notifyStatusMessage(getHumanLabel(), "Complete");
}
// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
void SobelEdge::execute()
{
  dataCheck();
  if(getErrorCondition() < 0) { return; }

  DataContainer::Pointer m = getDataContainerArray()->getDataContainer(getSelectedCellArrayPath().getDataContainerName());
  QString attrMatName = getSelectedCellArrayPath().getAttributeMatrixName();

  //wrap m_RawImageData as itk::image
  ImageProcessing::DefaultImageType::Pointer inputImage = ITKUtilitiesType::CreateItkWrapperForDataPointer(m, attrMatName, m_SelectedCellArray);

  if(m_Slice)
  {
    //wrap output array
    ImageProcessing::DefaultImageType::Pointer outputImage = ITKUtilitiesType::CreateItkWrapperForDataPointer(m, attrMatName, m_NewCellArray);

    //get dimensions
    size_t udims[3] = {0, 0, 0};
    m->getGeometryAs<ImageGeom>()->getDimensions(udims);
#if (CMP_SIZEOF_SIZE_T == 4)
    typedef int32_t DimType;
#else
    typedef int64_t DimType;
#endif
    DimType dims[3] =
    {
      static_cast<DimType>(udims[0]),
      static_cast<DimType>(udims[1]),
      static_cast<DimType>(udims[2]),
    };

    //create edge filter
    typedef itk::SobelEdgeDetectionImageFilter<ImageProcessing::DefaultSliceType, ImageProcessing::FloatSliceType> SobelFilterType;
    SobelFilterType::Pointer sobelFilter = SobelFilterType::New();

    //convert result back to uint8
    typedef itk::RescaleIntensityImageFilter<ImageProcessing::FloatSliceType, ImageProcessing::DefaultSliceType> RescaleImageType;
    RescaleImageType::Pointer rescaleFilter = RescaleImageType::New();
    rescaleFilter->SetOutputMinimum(0);
    rescaleFilter->SetOutputMaximum(255);

    //loop over slices applying filters
    for(int i = 0; i < dims[2]; ++i)
    {
      QString ss = QObject::tr("Finding Edges On Slice: %1").arg(i + 1);
      notifyStatusMessage(getMessagePrefix(), getHumanLabel(), ss);

      //get slice
      ImageProcessing::DefaultSliceType::Pointer inputSlice = ITKUtilitiesType::ExtractSlice(inputImage, ImageProcessing::ZSlice, i);

      //run filters
      sobelFilter->SetInput(inputSlice);
      rescaleFilter->SetInput(sobelFilter->GetOutput());


      //execute filters
      try
      {
        sobelFilter->Update();
        rescaleFilter->Update();
      }
      catch( itk::ExceptionObject& err )
      {
        setErrorCondition(-5);
        QString ss = QObject::tr("Failed to execute itk::SobelEdgeDetectionImageFilter filter. Error Message returned from ITK:\n   %1").arg(err.GetDescription());
        notifyErrorMessage(getHumanLabel(), ss, getErrorCondition());
      }

      //copy into volume
      ITKUtilitiesType::SetSlice(outputImage, rescaleFilter->GetOutput(), ImageProcessing::ZSlice, i);
    }
  }
  else
  {
    //create edge filter
    typedef itk::SobelEdgeDetectionImageFilter<ImageProcessing::DefaultImageType, ImageProcessing::FloatImageType> SobelFilterType;
    SobelFilterType::Pointer sobelFilter = SobelFilterType::New();
    sobelFilter->SetInput(inputImage);

    //convert result back to uint8
    typedef itk::RescaleIntensityImageFilter<ImageProcessing::FloatImageType, ImageProcessing::DefaultImageType> RescaleImageType;
    RescaleImageType::Pointer rescaleFilter = RescaleImageType::New();
    rescaleFilter->SetInput(sobelFilter->GetOutput());
    rescaleFilter->SetOutputMinimum(0);
    rescaleFilter->SetOutputMaximum(255);

    //have filter write to dream3d array instead of creating its own buffer
    ITKUtilitiesType::SetITKFilterOutput(rescaleFilter->GetOutput(), m_NewCellArrayPtr.lock());

    //execute filters
    try
    {
      sobelFilter->Update();
      rescaleFilter->Update();
    }
    catch( itk::ExceptionObject& err )
    {
      setErrorCondition(-5);
      QString ss = QObject::tr("Failed to execute itk::SobelEdgeDetectionImageFilter filter. Error Message returned from ITK:\n   %1").arg(err.GetDescription());
      notifyErrorMessage(getHumanLabel(), ss, getErrorCondition());
    }

  }

  //array name changing/cleanup
  if(m_SaveAsNewArray == false)
  {
    AttributeMatrix::Pointer attrMat = m->getAttributeMatrix(m_SelectedCellArrayPath.getAttributeMatrixName());
    attrMat->removeAttributeArray(m_SelectedCellArrayPath.getDataArrayName());
    attrMat->renameAttributeArray(m_NewCellArrayName, m_SelectedCellArrayPath.getDataArrayName());
  }

  /* Let the GUI know we are done with this filter */
  notifyStatusMessage(getHumanLabel(), "Complete");
}
// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
void WarpRegularGrid::execute()
{
  setErrorCondition(0);
  dataCheck();
  if(getErrorCondition() < 0) { return; }

  DataContainer::Pointer m;
  if (m_SaveAsNewDataContainer == false) { m = getDataContainerArray()->getDataContainer(getCellAttributeMatrixPath().getDataContainerName()); }
  else { m = getDataContainerArray()->getDataContainer(getNewDataContainerName()); }

  AttributeMatrix::Pointer cellAttrMat = m->getAttributeMatrix(getCellAttributeMatrixPath().getAttributeMatrixName());
  AttributeMatrix::Pointer newCellAttrMat = cellAttrMat->deepCopy();

  size_t dims[3] = { 0, 0, 0 };
  m->getGeometryAs<ImageGeom>()->getDimensions(dims);
  float res[3] = { 0.0f, 0.0f, 0.0f };
  m->getGeometryAs<ImageGeom>()->getResolution(res);
  size_t totalPoints = m->getGeometryAs<ImageGeom>()->getNumberOfElements();

  float x = 0.0f, y = 0.0f, z = 0.0f;
  float newX = 0.0f, newY = 0.0f;
  int col = 0.0f, row = 0.0f, plane = 0.0f;
  size_t index;
  size_t index_old;
  std::vector<size_t> newindicies(totalPoints);
  std::vector<bool> goodPoint(totalPoints, true);

  for (size_t i = 0; i < dims[2]; i++)
  {
    QString ss = QObject::tr("Warping Data - %1 Percent Complete").arg(((float)i / dims[2]) * 100);
    notifyStatusMessage(getMessagePrefix(), getHumanLabel(), ss);
    for (size_t j = 0; j < dims[1]; j++)
    {
      for (size_t k = 0; k < dims[0]; k++)
      {
        x = static_cast<float>((k * res[0]));
        y = static_cast<float>((j * res[1]));
        z = static_cast<float>((i * res[2]));
        index = (i * dims[0] * dims[1]) + (j * dims[0]) + k;

        determine_warped_coordinates(x, y, newX, newY);
        col = newX / res[0];
        row = newY / res[1];
        plane = i;

        index_old = (plane * dims[0] * dims[1]) + (row * dims[0]) + col;
        newindicies[index] = index_old;
        if (col > 0 && col < dims[0] && row > 0 && row < dims[1]) { goodPoint[index] = true; }
        else { goodPoint[index] = false; }
      }
    }
  }

  QList<QString> voxelArrayNames = cellAttrMat->getAttributeArrayNames();
  for (QList<QString>::iterator iter = voxelArrayNames.begin(); iter != voxelArrayNames.end(); ++iter)
  {
    IDataArray::Pointer p = cellAttrMat->getAttributeArray(*iter);
    // Make a copy of the 'p' array that has the same name. When placed into
    // the data container this will over write the current array with
    // the same name. At least in theory
    IDataArray::Pointer data = p->createNewArray(p->getNumberOfTuples(), p->getComponentDimensions(), p->getName());
    data->resize(totalPoints);
    void* source = NULL;
    void* destination = NULL;
    size_t newIndicies_I = 0;
    int nComp = data->getNumberOfComponents();
    for (size_t i = 0; i < static_cast<size_t>(totalPoints); i++)
    {
      newIndicies_I = newindicies[i];

      if(goodPoint[i] == true)
      {
        source = p->getVoidPointer((nComp * newIndicies_I));
        destination = data->getVoidPointer((data->getNumberOfComponents() * i));
        ::memcpy(destination, source, p->getTypeSize() * data->getNumberOfComponents());
      }
      else
      {
        int var = 0;
        data->initializeTuple(i, &var);
      }
    }
    cellAttrMat->removeAttributeArray(*iter);
    newCellAttrMat->addAttributeArray(*iter, data);
  }
  m->removeAttributeMatrix(getCellAttributeMatrixPath().getAttributeMatrixName());
  m->addAttributeMatrix(getCellAttributeMatrixPath().getAttributeMatrixName(), newCellAttrMat);

  notifyStatusMessage(getHumanLabel(), "Complete");
}
// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
void MultiOtsuThreshold::execute()
{
  //int err = 0;
  dataCheck();
  if(getErrorCondition() < 0) { return; }

  DataContainer::Pointer m = getDataContainerArray()->getDataContainer(getSelectedCellArrayPath().getDataContainerName());
  QString attrMatName = getSelectedCellArrayPath().getAttributeMatrixName();

  //get dims
  size_t udims[3] = {0, 0, 0};
  m->getGeometryAs<ImageGeom>()->getDimensions(udims);
#if (CMP_SIZEOF_SIZE_T == 4)
  typedef int32_t DimType;
#else
  typedef int64_t DimType;
#endif
  DimType dims[3] =
  {
    static_cast<DimType>(udims[0]),
    static_cast<DimType>(udims[1]),
    static_cast<DimType>(udims[2]),
  };

  //wrap input as itk image
  ImageProcessing::DefaultImageType::Pointer inputImage = ITKUtilitiesType::CreateItkWrapperForDataPointer(m, attrMatName, m_SelectedCellArray);

  if(m_Slice)
  {
    //define 2d histogram generator
    typedef itk::OtsuMultipleThresholdsImageFilter< ImageProcessing::DefaultSliceType, ImageProcessing::DefaultSliceType > ThresholdType;
    ThresholdType::Pointer otsuThresholder = ThresholdType::New();

    //wrap output buffer as image
    ImageProcessing::DefaultImageType::Pointer outputImage = ITKUtilitiesType::CreateItkWrapperForDataPointer(m, attrMatName, m_NewCellArray);

    //loop over slices
    for(int i = 0; i < dims[2]; i++)
    {
      //get slice
      ImageProcessing::DefaultSliceType::Pointer slice = ITKUtilitiesType::ExtractSlice(inputImage, ImageProcessing::ZSlice, i);

      //threshold
      otsuThresholder->SetInput(slice);
      otsuThresholder->SetNumberOfThresholds(m_Levels);
      otsuThresholder->SetLabelOffset(1);
      //execute filters
      try
      {
        otsuThresholder->Update();
      }
      catch( itk::ExceptionObject& err )
      {
        setErrorCondition(-5);
        QString ss = QObject::tr("Failed to execute itk::OtsuMultipleThresholdsImageFilter filter. Error Message returned from ITK:\n   %1").arg(err.GetDescription());
        notifyErrorMessage(getHumanLabel(), ss, getErrorCondition());
      }

      //copy back into volume
      ITKUtilitiesType::SetSlice(outputImage, otsuThresholder->GetOutput(), ImageProcessing::ZSlice, i);
    }
  }
  else
  {
    typedef itk::OtsuMultipleThresholdsImageFilter< ImageProcessing::DefaultImageType, ImageProcessing::DefaultImageType > ThresholdType;
    ThresholdType::Pointer otsuThresholder = ThresholdType::New();
    otsuThresholder->SetInput(inputImage);
    otsuThresholder->SetNumberOfThresholds(m_Levels);
    otsuThresholder->SetLabelOffset(1);

    ITKUtilitiesType::SetITKFilterOutput(otsuThresholder->GetOutput(), m_NewCellArrayPtr.lock());
    //execute filters
    try
    {
      otsuThresholder->Update();
    }
    catch( itk::ExceptionObject& err )
    {
      setErrorCondition(-5);
      QString ss = QObject::tr("Failed to execute itk::OtsuMultipleThresholdsImageFilter filter. Error Message returned from ITK:\n   %1").arg(err.GetDescription());
      notifyErrorMessage(getHumanLabel(), ss, getErrorCondition());
    }
  }

  //array name changing/cleanup
  if(m_SaveAsNewArray == false)
  {
    AttributeMatrix::Pointer attrMat = m->getAttributeMatrix(m_SelectedCellArrayPath.getAttributeMatrixName());
    attrMat->removeAttributeArray(m_SelectedCellArrayPath.getDataArrayName());
    attrMat->renameAttributeArray(m_NewCellArrayName, m_SelectedCellArrayPath.getDataArrayName());
  }

  /* Let the GUI know we are done with this filter */
  notifyStatusMessage(getHumanLabel(), "Complete");
}
示例#6
0
// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
void CropImageGeometry::dataCheck()
{
  if(getErrorCondition() < 0) { return; }
  setErrorCondition(0);

  // Validate the incoming DataContainer, Geometry, and AttributeMatrix ; bail if any do not exist since we plan on using them later on in the dataCheck
  // Error messages are handled by the getPrereq functions
  DataContainer::Pointer srcCellDataContainer = getDataContainerArray()->getPrereqDataContainer<AbstractFilter>(this, getCellAttributeMatrixPath().getDataContainerName());
  ImageGeom::Pointer image = getDataContainerArray()->getPrereqGeometryFromDataContainer<ImageGeom, AbstractFilter>(this, getCellAttributeMatrixPath().getDataContainerName());
  AttributeMatrix::Pointer srcCellAttrMat = getDataContainerArray()->getPrereqAttributeMatrixFromPath<AbstractFilter>(this, getCellAttributeMatrixPath(), -301);
  if(getErrorCondition() < 0) { return; }

  DataContainer::Pointer destCellDataContainer = srcCellDataContainer;
  AttributeMatrix::Pointer destCellAttrMat;

  if (m_SaveAsNewDataContainer == true)
  {
    float ox = 0.0f, oy = 0.0f, oz = 0.0f, rx = 0.0f, ry = 0.0f, rz = 0.0f;
    size_t dx = 0, dy = 0, dz = 0;
    image->getOrigin(ox, oy, oz);
    image->getResolution(rx, ry, rz);
    image->getDimensions(dx, dy, dz);

    destCellDataContainer = getDataContainerArray()->createNonPrereqDataContainer<AbstractFilter>(this, getNewDataContainerName());
    if(NULL == destCellDataContainer.get() || getErrorCondition() < 0)
    {
      return;
    }
    IGeometry::Pointer imageCopy = image->deepCopy();
    destCellDataContainer->setGeometry(imageCopy);

    destCellAttrMat = srcCellAttrMat->deepCopy();
    destCellDataContainer->addAttributeMatrix(destCellAttrMat->getName(), destCellAttrMat);
  }
  else
  {
    destCellAttrMat = srcCellAttrMat;
  }

  if(NULL == destCellDataContainer.get() || NULL == destCellAttrMat.get() || getErrorCondition() < 0)
  {
    return;
  }

  if (getXMax() < getXMin())
  {
    QString ss = QObject::tr("X Max (%1) less than X Min (%2)").arg(getXMax()).arg(getXMin());
    notifyErrorMessage(getHumanLabel(), ss, -5550);
    setErrorCondition(-5550);
  }
  if (getYMax() < getYMin())
  {
    QString ss = QObject::tr("Y Max (%1) less than Y Min (%2)").arg(getYMax()).arg(getYMin());
    notifyErrorMessage(getHumanLabel(), ss, -5550);
    setErrorCondition(-5550);
  }
  if (getZMax() < getZMin())
  {
    QString ss = QObject::tr("Z Max (%1) less than Z Min (%2)").arg(getZMax()).arg(getZMin());
    notifyErrorMessage(getHumanLabel(), ss, -5550);
    setErrorCondition(-5550);
  }
  if (getXMin() < 0)
  {
    QString ss = QObject::tr("X Min (%1) less than 0").arg(getXMin());
    notifyErrorMessage(getHumanLabel(), ss, -5550);
    setErrorCondition(-5550);
  }
  if (getYMin() < 0)
  {
    QString ss = QObject::tr("Y Min (%1) less than 0").arg(getYMin());
    notifyErrorMessage(getHumanLabel(), ss, -5550);
    setErrorCondition(-5550);
  }
  if (getZMin() < 0)
  {
    QString ss = QObject::tr("Z Min (%1) less than 0").arg(getZMin());
    notifyErrorMessage(getHumanLabel(), ss, -5550);
    setErrorCondition(-5550);
  }

  if (getXMax() > (static_cast<int64_t>(destCellDataContainer->getGeometryAs<ImageGeom>()->getXPoints()) - 1))
  {
    QString ss = QObject::tr("The X Max (%1) is greater than the Image Geometry X extent (%2)").arg(getXMax()).arg(static_cast<int64_t>(destCellDataContainer->getGeometryAs<ImageGeom>()->getXPoints()) - 1);
    notifyErrorMessage(getHumanLabel(), ss, -5550);
    setErrorCondition(-5550);
  }

  if (getYMax() > (static_cast<int64_t>(destCellDataContainer->getGeometryAs<ImageGeom>()->getYPoints()) - 1))
  {
    QString ss = QObject::tr("The Y Max (%1) is greater than the Image Geometry Y extent (%2)").arg(getYMax()).arg(static_cast<int64_t>(destCellDataContainer->getGeometryAs<ImageGeom>()->getYPoints()) - 1);
    notifyErrorMessage(getHumanLabel(), ss, -5550);
    setErrorCondition(-5550);
  }

  if (getZMax() > (static_cast<int64_t>(destCellDataContainer->getGeometryAs<ImageGeom>()->getZPoints()) - 1))
  {
    QString ss = QObject::tr("The Z Max (%1) is greater than the Image Geometry Z extent (%2)").arg(getZMax()).arg(static_cast<int64_t>(destCellDataContainer->getGeometryAs<ImageGeom>()->getZPoints()) - 1);
    notifyErrorMessage(getHumanLabel(), ss, -5550);
    setErrorCondition(-5550);
  }

  QVector<size_t> tDims(3, 0);
  if (getXMax() - getXMin() < 0) { setXMax(getXMin() + 1); }
  if (getYMax() - getYMin() < 0) { setYMax(getYMin() + 1); }
  if (getZMax() - getZMin() < 0) { setZMax(getZMin() + 1); }
  tDims[0] = (getXMax() - getXMin()) + 1;
  tDims[1] = (getYMax() - getYMin()) + 1;
  tDims[2] = (getZMax() - getZMin()) + 1;

  destCellDataContainer->getGeometryAs<ImageGeom>()->setDimensions(tDims[0], tDims[1], tDims[2]);

  // If any of the sanity checks fail above then we should NOT attempt to go any further.
  if (getErrorCondition() < 0) { return; }

  size_t totalPoints = 1;
  for(int i = 0; i < 3; i++) {
    if(tDims[i] != 0) { totalPoints *= tDims[i]; }
  }
  AttributeMatrix::Pointer newCellAttrMat = AttributeMatrix::New(tDims, destCellAttrMat->getName(), destCellAttrMat->getType());

  QList<QString> voxelArrayNames = destCellAttrMat->getAttributeArrayNames();
  for (QList<QString>::iterator iter = voxelArrayNames.begin(); iter != voxelArrayNames.end(); ++iter)
  {
    IDataArray::Pointer p = destCellAttrMat->getAttributeArray(*iter);
    //
    IDataArray::Pointer data = p->createNewArray(totalPoints, p->getComponentDimensions(), p->getName(), false);

    destCellAttrMat->removeAttributeArray(*iter);
    newCellAttrMat->addAttributeArray(*iter, data);
  }
  destCellDataContainer->removeAttributeMatrix(destCellAttrMat->getName());
  destCellDataContainer->addAttributeMatrix(newCellAttrMat->getName(), newCellAttrMat);


  if(m_RenumberFeatures == true)
  {
    QVector<size_t> cDims(1, 1);
    m_FeatureIdsPtr = getDataContainerArray()->getPrereqArrayFromPath<DataArray<int32_t>, AbstractFilter>(this, getFeatureIdsArrayPath(), cDims); /* Assigns the shared_ptr<> to an instance variable that is a weak_ptr<> */
    if( NULL != m_FeatureIdsPtr.lock().get() ) /* Validate the Weak Pointer wraps a non-NULL pointer to a DataArray<T> object */
    {
      m_FeatureIds = m_FeatureIdsPtr.lock()->getPointer(0);
    } /* Now assign the raw pointer to data from the DataArray<T> object */

    AttributeMatrix::Pointer cellFeatureAttrMat = srcCellDataContainer->getAttributeMatrix(getCellFeatureAttributeMatrixPath().getAttributeMatrixName());
    if(NULL == cellFeatureAttrMat.get()) { return; }
    QVector<bool> activeObjects(cellFeatureAttrMat->getNumTuples(), true);
    cellFeatureAttrMat->removeInactiveObjects(activeObjects, m_FeatureIdsPtr.lock());
  }
}
// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
void ImageMath::execute()
{
  //int err = 0;
  dataCheck();
  if(getErrorCondition() < 0) { return; }

  DataContainer::Pointer m = getDataContainerArray()->getDataContainer(getSelectedCellArrayPath().getDataContainerName());
  QString attrMatName = getSelectedCellArrayPath().getAttributeMatrixName();

  //wrap m_RawImageData as itk::image
  ImageProcessing::DefaultImageType::Pointer inputImage = ITKUtilitiesType::CreateItkWrapperForDataPointer(m, attrMatName, m_SelectedCellArray);

  //define filter types
  typedef itk::AddImageFilter<ImageProcessing::DefaultImageType, ImageProcessing::FloatImageType, ImageProcessing::FloatImageType> AddType;
  typedef itk::SubtractImageFilter<ImageProcessing::DefaultImageType, ImageProcessing::FloatImageType, ImageProcessing::FloatImageType> SubtractType;
  typedef itk::MultiplyImageFilter<ImageProcessing::DefaultImageType, ImageProcessing::FloatImageType, ImageProcessing::FloatImageType> MultiplyType;
  typedef itk::DivideImageFilter<ImageProcessing::DefaultImageType, ImageProcessing::FloatImageType, ImageProcessing::FloatImageType> DivideType;
  typedef itk::MinimumImageFilter<ImageProcessing::DefaultImageType, ImageProcessing::FloatImageType, ImageProcessing::FloatImageType> MinType;
  typedef itk::MaximumImageFilter<ImageProcessing::DefaultImageType, ImageProcessing::FloatImageType, ImageProcessing::FloatImageType> MaxType;
  typedef itk::BinaryFunctorImageFilter< ImageProcessing::DefaultImageType, ImageProcessing::FloatImageType, ImageProcessing::FloatImageType, ImageProcessing::Functor::Gamma<ImageProcessing::FloatPixelType> > GammaType;
  typedef itk::LogImageFilter<ImageProcessing::DefaultImageType, ImageProcessing::FloatImageType> LogType;
  typedef itk::ExpImageFilter<ImageProcessing::DefaultImageType, ImageProcessing::FloatImageType> ExpType;
  typedef itk::SquareImageFilter<ImageProcessing::DefaultImageType, ImageProcessing::FloatImageType> SquareType;
  typedef itk::SqrtImageFilter<ImageProcessing::DefaultImageType, ImageProcessing::FloatImageType> SqrtType;
  typedef itk::InvertIntensityImageFilter<ImageProcessing::DefaultImageType, ImageProcessing::DefaultImageType> InvertType;

  //set up filter to cap image range + round
  typedef itk::UnaryFunctorImageFilter< ImageProcessing::FloatImageType, ImageProcessing::DefaultImageType, ImageProcessing::Functor::LimitsRound<ImageProcessing::FloatPixelType, ImageProcessing::DefaultPixelType> > LimitsRoundType;
  LimitsRoundType::Pointer limitsRound = LimitsRoundType::New();

  //apply selected operation
  switch(m_Operator)
  {
    case 0://add
    {
      AddType::Pointer add = AddType::New();
      add->SetInput1(inputImage);
      add->SetConstant2(m_Value);
      limitsRound->SetInput(add->GetOutput());
      ITKUtilitiesType::SetITKFilterOutput(limitsRound->GetOutput(), m_NewCellArrayPtr.lock());
      limitsRound->Update();
    }
    break;

    case 1://subtract
    {
      SubtractType::Pointer subtract = SubtractType::New();
      subtract->SetInput1(inputImage);
      subtract->SetConstant2(m_Value);
      limitsRound->SetInput(subtract->GetOutput());
      ITKUtilitiesType::SetITKFilterOutput(limitsRound->GetOutput(), m_NewCellArrayPtr.lock());
      limitsRound->Update();
    }
    break;

    case 2://multiply
    {
      MultiplyType::Pointer multiply = MultiplyType::New();
      multiply->SetInput1(inputImage);
      multiply->SetConstant2(m_Value);
      limitsRound->SetInput(multiply->GetOutput());
      ITKUtilitiesType::SetITKFilterOutput(limitsRound->GetOutput(), m_NewCellArrayPtr.lock());
      limitsRound->Update();
    }
    break;

    case 3://divide
    {
      DivideType::Pointer divide = DivideType::New();
      divide->SetInput1(inputImage);
      divide->SetConstant2(m_Value);
      limitsRound->SetInput(divide->GetOutput());
      ITKUtilitiesType::SetITKFilterOutput(limitsRound->GetOutput(), m_NewCellArrayPtr.lock());
      limitsRound->Update();
    }
    break;

    case 4://min
    {
      MinType::Pointer minimum = MinType::New();
      minimum->SetInput1(inputImage);
      minimum->SetConstant2(m_Value);
      limitsRound->SetInput(minimum->GetOutput());
      ITKUtilitiesType::SetITKFilterOutput(limitsRound->GetOutput(), m_NewCellArrayPtr.lock());
      limitsRound->Update();
    }
    break;

    case 5://max
    {
      MaxType::Pointer maximum = MaxType::New();
      maximum->SetInput1(inputImage);
      maximum->SetConstant2(m_Value);
      limitsRound->SetInput(maximum->GetOutput());
      ITKUtilitiesType::SetITKFilterOutput(limitsRound->GetOutput(), m_NewCellArrayPtr.lock());
      limitsRound->Update();
    }
    break;

    case 6://gamma
    {
      GammaType::Pointer gamma = GammaType::New();
      gamma->SetInput1(inputImage);
      gamma->SetConstant2(m_Value);
      limitsRound->SetInput(gamma->GetOutput());
      ITKUtilitiesType::SetITKFilterOutput(limitsRound->GetOutput(), m_NewCellArrayPtr.lock());
      limitsRound->Update();
    }
    break;

    case 7://log
    {
      LogType::Pointer logfilter = LogType::New();
      logfilter->SetInput(inputImage);
      limitsRound->SetInput(logfilter->GetOutput());
      ITKUtilitiesType::SetITKFilterOutput(limitsRound->GetOutput(), m_NewCellArrayPtr.lock());
      limitsRound->Update();
    }
    break;

    case 8://exp
    {
      ExpType::Pointer expfilter = ExpType::New();
      expfilter->SetInput(inputImage);
      limitsRound->SetInput(expfilter->GetOutput());
      ITKUtilitiesType::SetITKFilterOutput(limitsRound->GetOutput(), m_NewCellArrayPtr.lock());
      limitsRound->Update();
    }
    break;

    case 9://square
    {
      SquareType::Pointer square = SquareType::New();
      square->SetInput(inputImage);
      limitsRound->SetInput(square->GetOutput());
      ITKUtilitiesType::SetITKFilterOutput(limitsRound->GetOutput(), m_NewCellArrayPtr.lock());
      limitsRound->Update();
    }
    break;

    case 10://squareroot
    {
      SqrtType::Pointer sqrtfilter = SqrtType::New();
      sqrtfilter->SetInput(inputImage);
      limitsRound->SetInput(sqrtfilter->GetOutput());
      ITKUtilitiesType::SetITKFilterOutput(limitsRound->GetOutput(), m_NewCellArrayPtr.lock());
      limitsRound->Update();
    }
    break;

    case 11://invert
    {
      InvertType::Pointer invert = InvertType::New();
      invert->SetInput(inputImage);
      ITKUtilitiesType::SetITKFilterOutput(invert->GetOutput(), m_NewCellArrayPtr.lock());
      invert->Update();
    }
    break;
  }

  //array name changing/cleanup
  if(m_SaveAsNewArray == false)
  {
    AttributeMatrix::Pointer attrMat = m->getAttributeMatrix(m_SelectedCellArrayPath.getAttributeMatrixName());
    attrMat->removeAttributeArray(m_SelectedCellArrayPath.getDataArrayName());
    attrMat->renameAttributeArray(m_NewCellArrayName, m_SelectedCellArrayPath.getDataArrayName());
  }

  /* Let the GUI know we are done with this filter */
  notifyStatusMessage(getHumanLabel(), "Complete");
}
// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
void RegularizeZSpacing::execute()
{
    setErrorCondition(0);
    dataCheck();
    if(getErrorCondition() < 0) {
        return;
    }

    DataContainer::Pointer m = getDataContainerArray()->getDataContainer(getCellAttributeMatrixPath().getDataContainerName());

    size_t dims[3];
    m->getGeometryAs<ImageGeom>()->getDimensions(dims);

    std::ifstream inFile;
    inFile.open(m_InputFile.toLatin1().data());

    float zval = 0.0f;
    std::vector<float> zboundvalues(dims[2] + 1, 0.0);
    for (size_t iter = 0; iter < dims[2] + 1; iter++)
    {
        inFile >> zval;
        zboundvalues[iter] = zval;
    }
    inFile.close();

    float xRes = m->getGeometryAs<ImageGeom>()->getXRes();
    float yRes = m->getGeometryAs<ImageGeom>()->getYRes();

    float sizez = zboundvalues[dims[2]];
    size_t m_XP = dims[0];
    size_t m_YP = dims[1];
    size_t m_ZP = static_cast<size_t>(sizez / m_NewZRes);
    if (m_ZP == 0) {
        m_ZP = 1;
    }
    size_t totalPoints = m_XP * m_YP * m_ZP;

    size_t index = 0, oldindex = 0;
    size_t plane = 0;
    std::vector<size_t> newindicies(totalPoints, 0);
    for (size_t i = 0; i < m_ZP; i++)
    {
        plane = 0;
        for (size_t iter = 1; iter < dims[2]; iter++)
        {
            if ((i * m_NewZRes) > zboundvalues[iter]) {
                plane = iter;
            }
        }
        for (size_t j = 0; j < m_YP; j++)
        {
            for (size_t k = 0; k < m_XP; k++)
            {
                oldindex = (plane * dims[0] * dims[1]) + (j * dims[0]) + k;
                index = (i * dims[0] * dims[1]) + (j * dims[0]) + k;
                newindicies[index] = oldindex;
            }
        }
    }

    AttributeMatrix::Pointer cellAttrMat = m->getAttributeMatrix(getCellAttributeMatrixPath().getAttributeMatrixName());
    QVector<size_t> tDims(3, 0);
    tDims[0] = m_XP;
    tDims[1] = m_YP;
    tDims[2] = m_ZP;
    AttributeMatrix::Pointer newCellAttrMat = AttributeMatrix::New(tDims, cellAttrMat->getName(), cellAttrMat->getType());

    QList<QString> voxelArrayNames = cellAttrMat->getAttributeArrayNames();
    for (QList<QString>::iterator iter = voxelArrayNames.begin(); iter != voxelArrayNames.end(); ++iter)
    {
        IDataArray::Pointer p = cellAttrMat->getAttributeArray(*iter);
        // Make a copy of the 'p' array that has the same name. When placed into
        // the data container this will over write the current array with
        // the same name. At least in theory
        IDataArray::Pointer data = p->createNewArray(p->getNumberOfTuples(), p->getComponentDimensions(), p->getName());
        data->resize(totalPoints);
        void* source = NULL;
        void* destination = NULL;
        size_t newIndicies_I = 0;
        int nComp = data->getNumberOfComponents();
        for (size_t i = 0; i < static_cast<size_t>(totalPoints); i++)
        {
            newIndicies_I = newindicies[i];

            source = p->getVoidPointer((nComp * newIndicies_I));
            destination = data->getVoidPointer((data->getNumberOfComponents() * i));
            ::memcpy(destination, source, p->getTypeSize() * data->getNumberOfComponents());
        }
        cellAttrMat->removeAttributeArray(*iter);
        newCellAttrMat->addAttributeArray(*iter, data);
    }
    m->getGeometryAs<ImageGeom>()->setResolution(xRes, yRes, m_NewZRes);
    m->getGeometryAs<ImageGeom>()->setDimensions(m_XP, m_YP, m_ZP);
    m->removeAttributeMatrix(getCellAttributeMatrixPath().getAttributeMatrixName());
    m->addAttributeMatrix(getCellAttributeMatrixPath().getAttributeMatrixName(), newCellAttrMat);

    notifyStatusMessage(getHumanLabel(), "Complete");
}