Method vtkPointWidget

Interaction/Widgets/vtkPointWidget.cxx:23–65

vtkStandardNewMacro(vtkPointWidget);

vtkPointWidget::vtkPointWidget()
{
  this->State = vtkPointWidget::Start;
  this->EventCallbackCommand->SetCallback(vtkPointWidget::ProcessEvents);

  // Represent the line
  this->Cursor3D = vtkCursor3D::New();
  this->Mapper = vtkPolyDataMapper::New();
  this->Mapper->SetInputConnection(this->Cursor3D->GetOutputPort());
  this->Actor = vtkActor::New();
  this->Actor->SetMapper(this->Mapper);

  // Define the point coordinates
  double bounds[6];
  bounds[0] = -0.5;
  bounds[1] = 0.5;
  bounds[2] = -0.5;
  bounds[3] = 0.5;
  bounds[4] = -0.5;
  bounds[5] = 0.5;

  // Initial creation of the widget, serves to initialize it
  this->PlaceWidget(bounds);

  // Manage the picking stuff
  this->CursorPicker = vtkCellPicker::New();
  this->CursorPicker->PickFromListOn();
  this->CursorPicker->AddPickList(this->Actor);
  this->CursorPicker->SetTolerance(0.005); // need some fluff

  // Set up the initial properties
  this->CreateDefaultProperties();

  // Constraints not set
  this->ConstraintAxis = -1;

  // Override superclass'
  this->PlaceFactor = 1.0;

  // The size of the hot spot
  this->HotSpotSize = 0.05;
  this->WaitingForMotion = 0;
}

vtkPointWidget::~vtkPointWidget()
{