## PNGgraph examples

- A simple bar chart
- A bar chart with two data sets
- A bar chart, two datasets, displayed on top of each other.
- A bar chart, two datasets, using two axes.
- A bar chart, two datasets, incremental.
- A bar chart, two datasets, negative values.

- An area graph

- Points

- Lines and points
- The same graph, now reading data from a file

- Just a line
- A few lines

- A 3d pie chart
- A 3d pie chart in one colour
- A flat pie chart.