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hello,


i’m trying to use the vega-Lite block but something eludes me: when I try to use as x: a lookup field, it just doesnt work.

Here’s my very basic code:

{

“$schema”: “https://vega.github.io/schema/vega-lite/v4.json”,

“title”: “XXX”,

“width”: “container”,

“height”: “container”,

“mark”: “bar”,

“encoding”: {

“x”: {

“field”: “CAFF.agence”,

“type”: “nominal”

},

“y”: {

“aggregate”: “count”,

“type”: “quantitative”

}

}

}


And here is the result :


obviously CAFF.agence is well defined… And it works if I try on a non-lookup field. When I try other types, the graph preview doesnt print, so I guess that’s not the issue ; anyway CAFF.agence should be a town name (like, “Paris”).


Is it a limitation of the vega-lite block? Or is it my understanding of the “type” ?


Thanks

Hi Romain, and welcome to the community.



It’s more likely your lack of experience with Vega-Lite and/or Airtable itself - here’s a good example where a very deep dive into the nuances of field relationships was critical in finding the right mix of Vega declarations.


I would bet there’s a way to build exactly what you need; it’s just a matter of understanding the Vega-Lite docs at a deeper level like encoding channels.

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