Method CopyStructure

Common/DataModel/vtkFieldData.cxx:335–368

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//------------------------------------------------------------------------------
void vtkFieldData::CopyStructure(vtkFieldData* inputField)
{
  // Free old fields.
  this->InitializeFields();

  // Allocate new fields.
  this->AllocateArrays(inputField->GetNumberOfArrays());
  this->NumberOfActiveArrays = inputField->GetNumberOfArrays();

  // Copy the data array's structure (ie nTups,nComps,name, and info)
  // don't copy their data.
  for (int arrayIdx = 0; arrayIdx < inputField->GetNumberOfArrays(); ++arrayIdx)
  {
    if (!inputField->Data[arrayIdx])
    {
      continue;
    }

    vtkAbstractArray* data = inputField->Data[arrayIdx]->NewInstance();
    int numComponents = inputField->Data[arrayIdx]->GetNumberOfComponents();
    data->SetNumberOfComponents(numComponents);
    data->SetName(inputField->Data[arrayIdx]->GetName());
    for (vtkIdType j = 0; j < numComponents; ++j)
    {
      data->SetComponentName(j, inputField->Data[arrayIdx]->GetComponentName(j));
    }
    if (inputField->Data[arrayIdx]->HasInformation())
    {
      data->CopyInformation(inputField->Data[arrayIdx]->GetInformation(), /*deep=*/1);
    }
    this->SetArray(arrayIdx, data);
    data->Delete();
  }
}

//------------------------------------------------------------------------------
// Set the number of arrays used to define the field.