omega-movement-plot: generate axis range if it cannot be deduced
omega-movement-plot: generate axis range if it cannot be deduced

If any coordinate components are static the existing axis range
will be 0 and gnuplot will complain / not plot the coordinate
graph.

This generates a range around fixed values.

movitto/omega,kidaa/omega,movitto/omega,kidaa/omega,kidaa/omega,kidaa/omega,movitto/omega