Module

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

A concise grammar of interactive graphics, built on Vega.
Latest
File
{ "$schema": "https://vega.github.io/schema/vega/v5.json", "background": "white", "padding": 5, "style": "cell", "data": [ {"name": "highlight_store"}, { "name": "source_0", "values": [ {"actual": "A", "predicted": "A", "count": 13}, {"actual": "A", "predicted": "B", "count": 0}, {"actual": "A", "predicted": "C", "count": 0}, {"actual": "B", "predicted": "A", "count": 0}, {"actual": "B", "predicted": "B", "count": 10}, {"actual": "B", "predicted": "C", "count": 6}, {"actual": "C", "predicted": "A", "count": 0}, {"actual": "C", "predicted": "B", "count": 0}, {"actual": "C", "predicted": "C", "count": 9} ] }, { "name": "data_0", "source": "source_0", "transform": [ {"type": "identifier", "as": "_vgsid_"}, { "type": "filter", "expr": "isValid(datum[\"count\"]) && isFinite(+datum[\"count\"])" } ] } ], "signals": [ {"name": "x_step", "value": 40}, {"name": "width", "update": "bandspace(domain('x').length, 0, 0) * x_step"}, {"name": "y_step", "value": 40}, { "name": "height", "update": "bandspace(domain('y').length, 0, 0) * y_step" }, { "name": "unit", "value": {}, "on": [ {"events": "mousemove", "update": "isTuple(group()) ? group() : unit"} ] }, { "name": "highlight", "update": "vlSelectionResolve(\"highlight_store\", \"union\")" }, { "name": "highlight_tuple", "on": [ { "events": [{"source": "scope", "type": "click"}], "update": "datum && item().mark.marktype !== 'group' ? {unit: \"\", fields: highlight_tuple_fields, values: [(item().isVoronoi ? datum.datum : datum)[\"_vgsid_\"]]} : null", "force": true }, {"events": [{"source": "scope", "type": "dblclick"}], "update": "null"} ] }, { "name": "highlight_tuple_fields", "value": [{"type": "E", "field": "_vgsid_"}] }, { "name": "highlight_modify", "on": [ { "events": {"signal": "highlight_tuple"}, "update": "modify(\"highlight_store\", highlight_tuple, true)" } ] } ], "marks": [ { "name": "marks", "type": "rect", "style": ["rect"], "interactive": true, "from": {"data": "data_0"}, "encode": { "update": { "strokeWidth": {"value": 2}, "fill": {"scale": "fill", "field": "count"}, "stroke": [ { "test": "(!(length(data(\"highlight_store\"))) || (vlSelectionTest(\"highlight_store\", datum))) && (length(data(\"highlight_store\")))", "value": "black" }, {"value": null} ], "opacity": [ { "test": "!(length(data(\"highlight_store\"))) || (vlSelectionTest(\"highlight_store\", datum))", "value": 1 }, {"value": 0.5} ], "zindex": [ { "test": "!(length(data(\"highlight_store\"))) || (vlSelectionTest(\"highlight_store\", datum))", "value": 1 }, {"value": 0} ], "description": { "signal": "\"actual: \" + (isValid(datum[\"actual\"]) ? datum[\"actual\"] : \"\"+datum[\"actual\"]) + \"; predicted: \" + (isValid(datum[\"predicted\"]) ? datum[\"predicted\"] : \"\"+datum[\"predicted\"]) + \"; count: \" + (format(datum[\"count\"], \"\"))" }, "x": {"scale": "x", "field": "predicted"}, "width": {"scale": "x", "band": 1}, "y": {"scale": "y", "field": "actual"}, "height": {"scale": "y", "band": 1} } } } ], "scales": [ { "name": "x", "type": "band", "domain": {"data": "data_0", "field": "predicted", "sort": true}, "range": {"step": {"signal": "x_step"}}, "paddingInner": 0, "paddingOuter": 0 }, { "name": "y", "type": "band", "domain": {"data": "data_0", "field": "actual", "sort": true}, "range": {"step": {"signal": "y_step"}}, "paddingInner": 0, "paddingOuter": 0 }, { "name": "fill", "type": "linear", "domain": {"data": "data_0", "field": "count"}, "range": "heatmap", "interpolate": "hcl", "zero": false } ], "axes": [ { "scale": "x", "orient": "bottom", "grid": false, "title": "predicted", "labelAlign": "right", "labelAngle": 270, "labelBaseline": "middle", "zindex": 1 }, { "scale": "y", "orient": "left", "grid": false, "title": "actual", "zindex": 1 } ], "legends": [ { "fill": "fill", "gradientLength": {"signal": "clamp(height, 64, 200)"}, "title": "count", "encode": {"gradient": {"update": {"opacity": {"value": 1}}}} } ], "config": { "range": {"ramp": {"scheme": "yellowgreenblue"}}, "axis": {"domain": false} }}