Changing How Prism Treats Stale Data in Visualizers

By default, Prism prints diagonal lines over data in visualizers that has become "stale" because the program has continued execution from the spot where the data was collected. Set the resource Prism.markStaleData to false to tell Prism not to draw these diagonal lines. You can also change the setting of this resource via the Customize utility; see " Using the Customize Utility".