Reimplemented from vtkActor2D . The adjustment is based in the Range instance variable. This ivar used in conjunction with the LabelFactor can be used to control font sizes. It also sets the font size of the instance of vtkTextMapper provided. This will be used in the generation of labels, if labels are visible.
Shadows make the text easier to read.
The offset is the distance of labels from tick marks or other objects. Overloads the virtual vtkProp method. Reimplemented from vtkActor2D .