Method EnablePointWidget

Interaction/Widgets/vtkLineWidget.cxx:500–543

------------------------------------------------------------------------------ assumed current handle is set

//------------------------------------------------------------------------------
// assumed current handle is set
void vtkLineWidget::EnablePointWidget()
{
  // Set up the point widgets
  double x[3];
  if (this->CurrentHandle) // picking the handles
  {
    if (this->CurrentHandle == this->Handle[0])
    {
      this->CurrentPointWidget = this->PointWidget1;
      this->LineSource->GetPoint1(x);
    }
    else
    {
      this->CurrentPointWidget = this->PointWidget2;
      this->LineSource->GetPoint2(x);
    }
  }
  else // picking the line
  {
    this->CurrentPointWidget = this->PointWidget;
    this->LinePicker->GetPickPosition(x);
    this->LastPosition[0] = x[0];
    this->LastPosition[1] = x[1];
    this->LastPosition[2] = x[2];
  }

  double bounds[6];
  for (int i = 0; i < 3; i++)
  {
    bounds[2 * i] = x[i] - 0.1 * this->InitialLength;
    bounds[2 * i + 1] = x[i] + 0.1 * this->InitialLength;
  }

  // Note: translation mode is disabled and enabled to control
  // the proper positioning of the bounding box.
  this->CurrentPointWidget->SetInteractor(this->Interactor);
  this->CurrentPointWidget->TranslationModeOff();
  this->CurrentPointWidget->SetPlaceFactor(1.0);
  this->CurrentPointWidget->PlaceWidget(bounds);
  this->CurrentPointWidget->TranslationModeOn();
  this->CurrentPointWidget->SetPosition(x);
  this->CurrentPointWidget->SetCurrentRenderer(this->CurrentRenderer);
  this->CurrentPointWidget->On();
}

//------------------------------------------------------------------------------
// assumed current handle is set