Maybe this tutorial will help? http://vtkblog.blogspot.com/2007/04/text-output-in-vtk-2d-and-3d.html oka wrote: > Dear VTK users, > > I want to draw text in 3D space. > vtkTextActor setposition2 requires > only 2D coordinates, x and y. > I wan to put a text in x,y and z position. > How can I do it ? > > Best regards, > > Oka >