Method TransformDataArray

Filters/Parallel/vtkAngularPeriodicFilter.cxx:244–308

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//------------------------------------------------------------------------------
vtkDataArray* vtkAngularPeriodicFilter::TransformDataArray(
  vtkDataArray* inputArray, double angle, bool useCenter, bool normalize)
{
  vtkDataArray* periodicArray = nullptr;
  switch (inputArray->GetDataType())
  {
    case VTK_FLOAT:
    {
      vtkAngularPeriodicDataArray<float>* pArray = vtkAngularPeriodicDataArray<float>::New();
      pArray->SetAxis(this->RotationAxis);
      pArray->SetAngle(angle);
      if (useCenter)
      {
        pArray->SetCenter(this->Center);
      }
      pArray->SetNormalize(normalize);
      pArray->InitializeArray(vtkArrayDownCast<vtkFloatArray>(inputArray));
      if (this->ComputeRotationsOnTheFly)
      {
        periodicArray = pArray;
      }
      else
      {
        vtkFloatArray* concrete = vtkFloatArray::New();
        concrete->DeepCopy(pArray); // instantiate the array
        periodicArray = concrete;
        pArray->Delete();
      }
      break;
    }
    case VTK_DOUBLE:
    {
      vtkAngularPeriodicDataArray<double>* pArray = vtkAngularPeriodicDataArray<double>::New();
      pArray->SetAxis(this->RotationAxis);
      pArray->SetAngle(angle);
      if (useCenter)
      {
        pArray->SetCenter(this->Center);
      }
      pArray->SetNormalize(normalize);
      pArray->InitializeArray(vtkArrayDownCast<vtkDoubleArray>(inputArray));
      if (this->ComputeRotationsOnTheFly)
      {
        periodicArray = pArray;
      }
      else
      {
        vtkDoubleArray* concrete = vtkDoubleArray::New();
        concrete->DeepCopy(pArray); // instantiate the array
        periodicArray = concrete;
        pArray->Delete();
      }
      break;
    }
    default:
    {
      vtkErrorMacro("Unknown data type " << inputArray->GetDataType());
      periodicArray = vtkDataArray::CreateDataArray(inputArray->GetDataType());