vtkFlRenderWindowInteractor is a class which
enables you to create applications with full VTK
and FLTK integration and interaction. This means
that VTK renders to your FLTK UI, and your FLTK UI
interacts with the VTK pipelines. Standard VTK
interactor styles and picking work by default.
This code has been tested successfully on Linux,
SGI Irix, Sun Solaris, and Windows (NT, 2000, and
XP).