Vega-Lite : stroke color value from data?

问题:

In Vega it is possible to take a color value from data, like that : example in Vega

Is there a way to do this with Vega-Lite ? example in Vega-Lite

回答1:

Yes, you need to set the scale to null in your color property.

"encoding": {
      "x": ...,
      "y": ...,
      "color": {
        "field": "color",
        "legend": null,
        "type":"nominal",
        "scale": null
      }
    }

To directly encode the data value, the scale property can be set to null.

https://vega.github.io/vega-lite/docs/scale.html#disable

Hope it helps!!