# File easy_vtk.rb, line 857 def text( str, x, y, z, size ) text = Vtk::VectorText.new text.SetText( str ) mapper = Vtk::PolyDataMapper.new mapper.SetInput( text.GetOutput ) actor = Vtk::Follower.new actor.SetMapper( mapper ) actor.SetScale( size, size, size ) actor.AddPosition( x, y, x ) @ren.AddActor( actor ) @ren.ResetCameraClippingRange actor.SetCamera( @ren.GetActiveCamera ) return nil end