Module

x/vega_lite/examples/compiled/trail_color.vg.json

A concise grammar of interactive graphics, built on Vega.
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File
{ "$schema": "https://vega.github.io/schema/vega/v5.json", "description": "Stock prices of 5 Tech Companies over Time.", "background": "white", "padding": 5, "width": 200, "height": 200, "style": "cell", "data": [ { "name": "source_0", "url": "data/stocks.csv", "format": {"type": "csv", "parse": {"date": "date"}} } ], "marks": [ { "name": "pathgroup", "type": "group", "from": { "facet": { "name": "faceted_path_main", "data": "source_0", "groupby": ["symbol"] } }, "encode": { "update": { "width": {"field": {"group": "width"}}, "height": {"field": {"group": "height"}} } }, "marks": [ { "name": "marks", "type": "trail", "style": ["trail"], "sort": {"field": "datum[\"date\"]"}, "from": {"data": "faceted_path_main"}, "encode": { "update": { "fill": {"scale": "color", "field": "symbol"}, "description": { "signal": "\"date: \" + (timeFormat(datum[\"date\"], '%b %d, %Y')) + \"; price: \" + (format(datum[\"price\"], \"\")) + \"; symbol: \" + (isValid(datum[\"symbol\"]) ? datum[\"symbol\"] : \"\"+datum[\"symbol\"])" }, "x": {"scale": "x", "field": "date"}, "y": {"scale": "y", "field": "price"}, "size": {"scale": "size", "field": "price"}, "defined": { "signal": "isValid(datum[\"date\"]) && isFinite(+datum[\"date\"]) && isValid(datum[\"price\"]) && isFinite(+datum[\"price\"])" } } } } ] } ], "scales": [ { "name": "x", "type": "time", "domain": {"data": "source_0", "field": "date"}, "range": [0, {"signal": "width"}] }, { "name": "y", "type": "linear", "domain": {"data": "source_0", "field": "price"}, "range": [{"signal": "height"}, 0], "nice": true, "zero": true }, { "name": "color", "type": "ordinal", "domain": {"data": "source_0", "field": "symbol", "sort": true}, "range": "category" }, { "name": "size", "type": "linear", "domain": {"data": "source_0", "field": "price"}, "range": [0, 4], "zero": true } ], "axes": [ { "scale": "x", "orient": "bottom", "gridScale": "y", "grid": true, "tickCount": {"signal": "ceil(width/40)"}, "domain": false, "labels": false, "aria": false, "maxExtent": 0, "minExtent": 0, "ticks": false, "zindex": 0 }, { "scale": "y", "orient": "left", "gridScale": "x", "grid": true, "tickCount": {"signal": "ceil(height/40)"}, "domain": false, "labels": false, "aria": false, "maxExtent": 0, "minExtent": 0, "ticks": false, "zindex": 0 }, { "scale": "x", "orient": "bottom", "grid": false, "title": "date", "labelFlush": true, "labelOverlap": true, "tickCount": {"signal": "ceil(width/40)"}, "zindex": 0 }, { "scale": "y", "orient": "left", "grid": false, "title": "price", "labelOverlap": true, "tickCount": {"signal": "ceil(height/40)"}, "zindex": 0 } ], "legends": [ {"stroke": "color", "symbolType": "stroke", "title": "symbol"}, {"strokeWidth": "size", "symbolType": "stroke", "title": "price"} ]}