The might be a need to make graphing even more customizable -- in particular, control over the way different y-axes interact. Currently, all y-axes are scaled so that max and min values are in the same place for each parameter -- there's no visual difference between graphing a parameter and graphing the same parameter transformed by a multiplier and constant, aside from the y-axis labels. Although this is a good way to ensure that parameters with massively different ranges can still be graphed together, there may be cases, particularly when two parameters have nearly the same range, where it would be more desirable for the parameters to use the same y-axis.
The might be a need to make graphing even more customizable -- in particular, control over the way different y-axes interact. Currently, all y-axes are scaled so that max and min values are in the same place for each parameter -- there's no visual difference between graphing a parameter and graphing the same parameter transformed by a multiplier and constant, aside from the y-axis labels. Although this is a good way to ensure that parameters with massively different ranges can still be graphed together, there may be cases, particularly when two parameters have nearly the same range, where it would be more desirable for the parameters to use the same y-axis.