Area Charts
2D Area Charts
Area charts are similar to line charts with the addition that the area underneath the plotted line is filled. Different variants are available by setting the grouping to "standard", "stacked" or "percentStacked"; "standard" is the default.
area.py

3D Area Charts
You can also create 3D area charts
area3d.py
This produces a simple 3D area chart where the third axis can be used to replace the legend:
