Static Plots

* Need access to rich data structures as relatively easy to make matplotlib plots ourselves
* Basic (universal/stand-alone) function/class that creates a "standard" plot with sector etc. that can be modified to suit our needs (use simplesector plotting as a basis) - takes in a sector and aircraft (objects and options?) to make it accessible from anywhere
* Draw plan view of sector with routes and colour-coding of height (built-in function)
* Should show control points as dots with times
* Highlight actual and potential conflicts (could turn on and off)
* Show continuation of routes
* Allow passing in of axes
* Should be allowed to include text next to a plot providing additional information (could just use ax.text())
* Potential interactivity: clicking on route highlights vertical track and vice versa
* Slider to control time so can step through static plots (ticks correlate with actions? - points worth looking at)
* Would be useful for debugging during optimisation and RL (but needs to be flexible)
* Allow plots to be viewed side-by-side (e.g. optimised actions over time v ATCO actions over time)
* Plot of objective values over time (EEG-type plots or colourmap)
* Standardise colourmaps