Method WriteArrayHeader

IO/XML/vtkXMLWriter.cxx:2036–2105

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//------------------------------------------------------------------------------
void vtkXMLWriter::WriteArrayHeader(vtkAbstractArray* a, vtkIndent indent,
  const char* alternateName, int writeNumTuples, int timestep)
{
  ostream& os = *(this->Stream);
  if (vtkArrayDownCast<vtkDataArray>(a))
  {
    os << indent << "<DataArray";
  }
  else
  {
    os << indent << "<Array";
  }
  this->WriteWordTypeAttribute("type", a->GetDataType());
  if (a->GetDataType() == VTK_ID_TYPE)
  {
    this->WriteScalarAttribute("IdType", 1);
  }
  if (alternateName)
  {
    this->WriteStringAttribute("Name", alternateName);
  }
  else if (const char* arrayName = a->GetName())
  {
    this->WriteStringAttribute("Name", arrayName);
  }
  else
  {
    // Generate a name for this array.
    std::ostringstream name;
    void* p = a;
    name << "Array " << p;
    this->WriteStringAttribute("Name", name.str().c_str());
  }
  if (a->GetNumberOfComponents() > 1)
  {
    this->WriteScalarAttribute("NumberOfComponents", a->GetNumberOfComponents());
  }

  // always write out component names, even if only 1 component
  std::ostringstream buff;
  const char* compName = nullptr;
  for (int i = 0; i < a->GetNumberOfComponents(); ++i)
  {
    // get the component names
    buff << "ComponentName" << i;
    compName = a->GetComponentName(i);
    if (compName)
    {
      this->WriteStringAttribute(buff.str().c_str(), compName);
      compName = nullptr;
    }
    buff.str("");
    buff.clear();
  }

  if (this->NumberOfTimeSteps > 1)
  {
    this->WriteScalarAttribute("TimeStep", timestep);