Created
December 22, 2023 08:13
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vl_bar_hover_and_cf
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{ | |
"$schema": "https://vega.github.io/schema/vega-lite/v5.json", | |
"description": "A simple bar chart with conditional coloring for the highest value.", | |
"data": { | |
"values": [ | |
{"a": "A", "b": 28}, | |
{"a": "B", "b": 55}, | |
{"a": "C", "b": 43}, | |
{"a": "G", "b": 19}, | |
{"a": "H", "b": 87}, | |
{"a": "I", "b": 52}, | |
{"a": "D", "b": 91}, | |
{"a": "E", "b": 81}, | |
{"a": "F", "b": 53} | |
] | |
}, | |
"params": [ | |
{ | |
"name": "hover", | |
"select": {"type": "point", "on": "mouseover", "clear": "mouseout"} | |
} | |
], | |
"transform": [ | |
{ | |
"window": [{"op": "max", "field": "b", "as": "max_b"}], | |
"frame": [null, null] | |
} | |
], | |
"mark": "bar", | |
"encoding": { | |
"x": {"field": "a", "type": "nominal", "axis": {"title": "Category"}}, | |
"y": {"field": "b", "type": "quantitative", "axis": {"title": "Value"}}, | |
"color": { | |
"condition": [ | |
{"param": "hover", "empty": false, "value": "orange"}, | |
{"test": "datum.b === datum.max_b", "value": "green"} | |
], | |
"value": "#404040" | |
}, | |
"stroke": { | |
"condition": [ | |
{"param": "hover", "empty": false, "value": "red"}, | |
{"test": "datum.b === datum.max_b", "value": "black"} | |
], | |
"value": "#404040" | |
} | |
} | |
} |
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