I spend a lot of time looking at engineering time-series data.

I currently use bokeh for this, but I would love to switch to vega/vega-lite/altair.

However, I'm hesitant to switch because vega appears to be missing a box-zoom feature. This feature is incredibly useful for exploratory time-series plotting/analysis.

As an example, my data often looks like a more complex version of this bokeh example.

There may be many phenomenon of different x/y axis scales which get manifested in time-series data and being able to change the zoom level/aspect ratio is incredibly useful.

Basically, I would love to see Bokeh's BoxZoomTool (as enabled in the box_annotaion example above) in vega/vega-lite/altair.