4.6.1 Debugging: Plots Riviera-PRO provides a powerful debug tool called Plot. Plots are a graphical technique for representing a data set as a graph showing the relationship between two or more variables. It can be a powerful alternative complement to the traditional alphanumeric and waveform-based HDL debugging tools and techniques. This video will demonstrate each of the four different plot styles Riviera-PRO has and will show how to create them.