title: What is the best way to display 3D text in Vtk
body: <p>I am working on vtk. I want to display Rich text in vtk. I have tried vtkTextActor3D this shows text in 3d on given location but when i rotate the graphics text is also get rotated. 
  The text should follow the camera this is my requirement is their any better way to do this.</p>
  
  <p>Even in have tried vtkVectorText and vtkFollower but vtkVectorText is not providing rich text.</p>
  
  <p>Thank you !</p>