Do you support or will you support candlestick charts? Is this already in the roadmap? (Thx.)
paintdog
All 4 comments
Thanks for asking.
You can use layer operator to overlay bar and rule marks to product a candlestick chart, akin to a box plot except that (1) you should encode y and y2 of the bars with open and close values of the security instead showing Q3 and Q1 and (2) you won't need ticks in the middle of the bars.
I'll leave this issue open as it is probably a good example to add to the example gallery.
kanitw
on 30 May 2017
Support from the beginning would also be nice. I mean direct support and not a work-around.
paintdog
on 30 May 2017
@paintdog The solution I mention is not a workaround. As a visualization grammar, Vega-Lite provides flexible building blocks for composing charts, not a collection of chart templates. Other visualization grammars such as Protovis also uses a similar mechanism for creating a candlestick chart.
@NeelMohapatra Please help create an example for this. (You can use the data from the Protovis example.)
kanitw
on 30 May 2017
Will be done in https://github.com/vega/vega-lite/issues/2505
kanitw
on 20 Jun 2017
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Most helpful comment
@paintdog The solution I mention is not a workaround. As a visualization grammar, Vega-Lite provides flexible building blocks for composing charts, not a collection of chart templates. Other visualization grammars such as Protovis also uses a similar mechanism for creating a candlestick chart.
@NeelMohapatra Please help create an example for this. (You can use the data from the Protovis example.)