You will not be able to specify the x axis intervals as you describe.
I will log this as a feature request.
> G'day, I am plotting some data from a GPS onto a line chart, where X
> axis is time. The points I have do not come from regular time
> intervals, so I would like to be able to have the spacing of each
> point along the X axis determined by it's timestamp.
> I've tried using the TimeAxis but I don't think this is designed to do
> So is this currently possible? If not, this is a feature request :) -
> does anyone know of any other alternatives?
> I have tried putting in a whole bunch of null values for all the times
> between my GPS points, but this resulted in an extremely slow render
> and isn't really an ideal solution.