Method HighLightCurrentSelectedItem

Views/Infovis/vtkInteractorStyleTreeMapHover.cxx:360–393

}

void vtkInteractorStyleTreeMapHover::HighLightCurrentSelectedItem()
{
  float binfo[4];

  if (this->CurrentSelectedId > -1)
  {
    this->GetBoundingBoxForTreeMapItem(this->CurrentSelectedId, binfo);
    vtkTree* tree = this->Layout->GetOutput();
    double z;
    if (this->TreeMapToPolyData != nullptr)
    {
      z = this->TreeMapToPolyData->GetLevelDeltaZ() * (tree->GetLevel(this->CurrentSelectedId) + 1);
    }
    else
    {
      z = 0.01;
    }
    this->SelectionPoints->SetPoint(0, binfo[0], binfo[2], z);
    this->SelectionPoints->SetPoint(1, binfo[1], binfo[2], z);
    this->SelectionPoints->SetPoint(2, binfo[1], binfo[3], z);
    this->SelectionPoints->SetPoint(3, binfo[0], binfo[3], z);
    this->SelectionPoints->SetPoint(4, binfo[0], binfo[2], z);
    this->SelectionPoints->Modified();
    this->SelectionActor->VisibilityOn();
  }
  else
  {
    SelectionActor->VisibilityOff();
  }
  if (this->GetInteractor())
  {
    this->GetInteractor()->Render();
  }
}
VTK_ABI_NAMESPACE_END