bool GetCursorVisibility();
void SetCursorColor(int r,int g, int b);
bool GetCursorVisibility();
void SetCursorColor(int r,int g, int b);
vtkSmartPointer<vtkPolyDataMapper> mLandMapper;
vtkSmartPointer<vtkActor> mLandActor;
vtkSmartPointer<vtkBox> mClipBox;
vtkSmartPointer<vtkPolyDataMapper> mLandMapper;
vtkSmartPointer<vtkActor> mLandActor;
vtkSmartPointer<vtkBox> mClipBox;