Method BuildLabels

Rendering/Annotation/vtkAxisActor.cxx:441–462

------------------------------------------------------------------------------ Set label values and properties. ------------------------------------------------------------------------------

//  Set label values and properties.
//------------------------------------------------------------------------------
void vtkAxisActor::BuildLabels(vtkViewport* viewport, bool force)
{
  if (!force && !this->LabelVisibility)
  {
    return;
  }

  for (int i = 0; i < this->NumberOfLabelsBuilt; i++)
  {
    vtkTextActorInterfaceInternal* currentLabel = this->LabelProps[i].get();
    this->UpdateLabelActorProperty(i);
    currentLabel->SetCamera(this->Camera);
    currentLabel->AdjustScale();
  }

  if (force || this->BuildTime.GetMTime() < this->BoundsTime.GetMTime() ||
    this->AxisPosition != this->LastAxisPosition || this->LastRange[0] != this->Range[0] ||
    this->LastRange[1] != this->Range[1])
  {
    this->SetLabelPositions(viewport, force);
  }
}

static constexpr int vtkAxisActorMultiplierTable1[4] = { -1, -1, 1, 1 };
static constexpr int vtkAxisActorMultiplierTable2[4] = { -1, 1, 1, -1 };