Method WriteColorElement

IO/Infovis/vtkPhyloXMLTreeWriter.cxx:277–315

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//------------------------------------------------------------------------------
void vtkPhyloXMLTreeWriter::WriteColorElement(
  vtkTree* input, vtkIdType vertex, vtkXMLDataElement* element)
{
  vtkUnsignedCharArray* colorArray =
    vtkArrayDownCast<vtkUnsignedCharArray>(input->GetVertexData()->GetAbstractArray("color"));
  if (!colorArray)
  {
    return;
  }

  vtkNew<vtkXMLDataElement> colorElement;
  colorElement->SetName("color");

  vtkNew<vtkXMLDataElement> redElement;
  redElement->SetName("red");
  std::string r = vtkVariant(colorArray->GetComponent(vertex, 0)).ToString();
  redElement->SetCharacterData(r.c_str(), static_cast<int>(r.length()));

  vtkNew<vtkXMLDataElement> greenElement;
  greenElement->SetName("green");
  std::string g = vtkVariant(colorArray->GetComponent(vertex, 1)).ToString();
  greenElement->SetCharacterData(g.c_str(), static_cast<int>(g.length()));

  vtkNew<vtkXMLDataElement> blueElement;
  blueElement->SetName("blue");
  std::string b = vtkVariant(colorArray->GetComponent(vertex, 2)).ToString();
  blueElement->SetCharacterData(b.c_str(), static_cast<int>(b.length()));

  colorElement->AddNestedElement(redElement);
  colorElement->AddNestedElement(greenElement);
  colorElement->AddNestedElement(blueElement);

  element->AddNestedElement(colorElement);

  if (this->Blacklist->LookupValue("color") == -1)
  {
    this->IgnoreArray("color");
  }
}

//------------------------------------------------------------------------------
void vtkPhyloXMLTreeWriter::WritePropertyElement(