Method BuildAxis

Rendering/Annotation/vtkAxisActor2D.cxx:1022–1073

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkAxisActor2D::BuildAxis(vtkViewport* viewport)
{
  if (!this->ShouldRebuild(viewport))
  {
    return;
  }

  vtkDebugMacro(<< "Rebuilding axis");

  this->AxisActor->SetProperty(this->GetProperty());

  this->UpdateAdjustedRange();

  this->UpdateTicksValueAndPosition(viewport);

  int nLabels = this->NumberOfLabelsBuilt;

  if (this->LabelActors.size() < static_cast<size_t>(nLabels))
  {
    size_t oldSize = this->LabelActors.size();
    this->LabelActors.resize(nLabels);
    this->LabelMappers.resize(nLabels);

    for (size_t i = oldSize; i < static_cast<size_t>(nLabels); ++i)
    {
      this->LabelMappers[i] = vtkSmartPointer<vtkTextMapper>::New();
      this->LabelActors[i] = vtkSmartPointer<vtkActor2D>::New();
      this->LabelActors[i]->SetMapper(this->LabelMappers[i]);
    }
  }
  else if (this->LabelActors.size() > static_cast<size_t>(nLabels))
  {
    this->LabelActors.resize(nLabels);
    this->LabelMappers.resize(nLabels);
  }

  this->BuildTicksPolyData(viewport);

  if (this->LabelVisibility)
  {
    this->BuildLabels(viewport);
  }

  if (this->Title != nullptr && this->Title[0] != 0 && this->TitleVisibility)
  {
    this->BuildTitle(viewport);
  }

  this->UpdateCachedInformations(viewport);

  this->BuildTime.Modified();
}

//------------------------------------------------------------------------------
vtkPoints* vtkAxisActor2D::GetTickPositions()