Method CopyFromArrayInternal

Remoting/Core/vtkPVArrayInformation.cxx:288–354

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//----------------------------------------------------------------------------
void vtkPVArrayInformation::CopyFromArrayInternal(
  vtkAbstractArray* array, GetRangeFunctor& getRangeFn)
{
  assert(array != nullptr);
  this->Name = array->GetName() ? array->GetName() : "";
  this->DataType = array->GetDataType();
  this->NumberOfTuples = array->GetNumberOfTuples();

  const int numComponents = array->GetNumberOfComponents();
  this->Components.resize(numComponents + 1); // extra 1 for magnitude.

  // set default names.
  for (int comp = -1; comp < numComponents; ++comp)
  {
    auto& compInfo = this->Components.at(comp + 1);
    compInfo.DefaultName = vtkPVPostFilter::DefaultComponentName(comp, numComponents);
  }

  // set custom component names, if non-null.
  if (array->HasAComponentName())
  {
    for (int comp = 0; comp < numComponents; ++comp)
    {
      auto& compInfo = this->Components.at(comp + 1);
      if (auto name = array->GetComponentName(comp))
      {
        compInfo.Name = name;
      }
    }
  }

  auto dataArray = vtkDataArray::SafeDownCast(array);
  if (dataArray && dataArray->IsNumeric())
  {
    for (int comp = -1; comp < numComponents; ++comp)
    {
      auto& compInfo = this->Components.at(comp + 1);
      getRangeFn(dataArray, comp, compInfo);
    }
  }
  else if (auto sarray = vtkStringArray::SafeDownCast(array))
  {
    for (vtkIdType cc = 0;
         this->StringValues.size() < MAX_STRING_VALUES && cc < sarray->GetNumberOfValues(); ++cc)
    {
      auto value = sarray->GetValue(cc);
      if (!value.empty())
      {
        this->StringValues.push_back(value);
      }
    }
  }

  if (array->HasInformation())
  {
    vtkInformation* info = array->GetInformation();
    vtkInformationIterator* it = vtkInformationIterator::New();
    it->SetInformationWeak(info);