If you select Fill Areas, the areas between contour lines are filled with the contour line colors. This option is available in the Launch window and in the red triangle menu for Contour Plot. Figure 10.6 shows a plot with contour lines on the left and a plot with the contour areas filled on the right.
Figure 10.6 Comparison of Contour Lines and Area FillsĀ
Areas are filled from low to high values on a color gradient. An additional color is added in the filled contour plot for the level above the last, and highest, contour line.