This plot demonstrates the use of the Contour
Class. The contour levels are either manually set or automatically set.
The Contour class is an extension of the G2Dint
class and therefore has all the interactive control of that class. It also has
the following extra event handlers
- Keypress l
- The plot is redrawn Without the contour labels.
- Keypress L
- The plot is redrawn With the contour labels.