g3o2

I wonder whether it would make sense to provide a user property to allow the localising of the SI letters via the [d3.formatLocale()](https://github.com/d3/d3-format/blob/master/README.md#formatLocale) function. A user would provide an array...

To save you even more time, please check this [link](https://vega.github.io/vega/docs/api/view/#view_renderer) ;)

BTW I am not even sure that you need to write your own renderer, there is already a svg, canvas and webgl renderer. Maybe some CSS or other middle solution...

@kanitw, what would a callout look like if it was supposed to represent several data points instead of just one ? Should there be a similar restriction as with `selection`,...

Hmmm, how do you currently draw the diagrams in vscode ? in svg ?

So there is certainly a way to expose the `svg` code, isn't there ? Converting `svg` to `png` is indeed better left to specialised tools or packages. [SVG Viewer](https://github.com/cssho/vscode-svgviewer) is...

I think this feature is on its way for this fall: support for [concatenate](http://idl.cs.washington.edu/papers/vega-lite/).

Vega-lite does so since version 2.1

The desirable version has a disadvantage in terms of user interface. Most user interaction in voyager 2 makes you scroll up/down, while the old behaviour makes you additionally scroll left/right....

In the meantime, you can use the `pow` function, for example: ``` javascript "transform": [ { "type": "calculate", "field": "aagr", "expr": "pow((datum.value1 * datum.value2 * datum.value3), (1 / 3))" }...