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Playfair's Wheat and Wages example
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| license: mit |
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://cdn.jsdelivr.net/npm/vega@4"></script> | |
| <script src="https://cdn.jsdelivr.net/npm/vega-lite@3.0.0-rc12"></script> | |
| <script src="https://cdn.jsdelivr.net/npm/vega-embed@3"></script> | |
| </head> | |
| <body> | |
| <div id="vis"></div> | |
| <script> | |
| const spec = "playfair.vl.json"; | |
| vegaEmbed('#vis', spec) | |
| // result.view provides access to the Vega View API | |
| .then(result => console.log(result)) | |
| .catch(console.warn); | |
| </script> | |
| </body> |
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| { | |
| "$schema": "https://vega.github.io/schema/vega-lite/v3.json", | |
| "width": 900, | |
| "height": 465, | |
| "data": { | |
| "url": "https://raw.githubusercontent.com/vega/vega/master/docs/data/wheat.json" | |
| }, | |
| "transform": [ | |
| {"calculate": "+datum.year + 5","as": "year_end"} | |
| ], | |
| "layer": [ | |
| { | |
| "mark": { | |
| "type": "bar" | |
| }, | |
| "encoding": { | |
| "x": { | |
| "field": "year", | |
| "type": "quantitative", | |
| "axis": { | |
| "tickCount": 5, | |
| "format": "d" | |
| } | |
| }, | |
| "x2": { | |
| "field": "year_end" | |
| }, | |
| "y": { | |
| "field": "wheat", | |
| "type": "quantitative", | |
| "axis": {"zindex": 1} | |
| }, | |
| "fill": {"value": "#AAAAAA"}, | |
| "stroke": {"value": "#999999"} | |
| } | |
| }, | |
| { | |
| "data": { | |
| "values": [ | |
| {"year": "1600"},{"year": "1650"}, | |
| {"year": "1700"},{"year": "1750"}, | |
| {"year": "1800"} | |
| ] | |
| }, | |
| "mark": "rule", | |
| "encoding": { | |
| "x": { | |
| "field": "year", | |
| "type": "quantitative" | |
| }, | |
| "stroke": {"value": "black"}, | |
| "strokeWidth": {"value": 0.6}, | |
| "opacity": {"value": 0.5} | |
| } | |
| }, | |
| { | |
| "mark": "area", | |
| "encoding": { | |
| "x": { | |
| "field": "year", | |
| "type": "quantitative" | |
| }, | |
| "y": { | |
| "field": "wages", | |
| "type": "quantitative" | |
| }, | |
| "color": {"value": "#a4cedb"}, | |
| "opacity": {"value": 0.7} | |
| } | |
| }, | |
| { | |
| "mark": "line", | |
| "encoding": { | |
| "x": { | |
| "field": "year", | |
| "type": "quantitative" | |
| }, | |
| "y": { | |
| "field": "wages", | |
| "type": "quantitative" | |
| }, | |
| "color": {"value": "#000"}, | |
| "opacity": {"value": 0.7} | |
| } | |
| }, | |
| { | |
| "mark": { | |
| "type": "line", | |
| "yOffset": -2 | |
| }, | |
| "encoding": { | |
| "x": { | |
| "field": "year", | |
| "type": "quantitative" | |
| }, | |
| "y": { | |
| "field": "wages", | |
| "type": "quantitative" | |
| }, | |
| "color": {"value": "#EE8182"} | |
| } | |
| }, | |
| { | |
| "data": { | |
| "url": "https://raw.githubusercontent.com/vega/vega/master/docs/data/monarchs.json" | |
| }, | |
| "transform": [ | |
| {"calculate": "((!datum.commonwealth && datum.index % 2) ? -1: 1) * 2 + 95","as": "offset"}, | |
| {"calculate": "95","as": "y"} | |
| ], | |
| "mark": "bar", | |
| "encoding": { | |
| "x": { | |
| "field": "start", | |
| "type": "quantitative" | |
| }, | |
| "x2": {"field": "end"}, | |
| "y": { | |
| "field": "y", | |
| "type": "quantitative" | |
| }, | |
| "y2": {"field": "offset"}, | |
| "fill": { | |
| "field": "commonwealth", | |
| "scale": {"range": ["black","white"]}, | |
| "legend": null | |
| }, | |
| "stroke": {"value": "black"} | |
| } | |
| }, | |
| { | |
| "data": { | |
| "url": "https://raw.githubusercontent.com/vega/vega/master/docs/data/monarchs.json" | |
| }, | |
| "transform": [ | |
| {"calculate": "((!datum.commonwealth && datum.index % 2) ? -1: 1) * 1 + 95", "as": "offset2"}, | |
| {"calculate": "+datum.start + (+datum.end - +datum.start)/2", "as": "x"} | |
| ], | |
| "mark": { | |
| "type": "text", | |
| "yOffset": 18, | |
| "fontSize": 10, | |
| "fontStyle": "italic" | |
| }, | |
| "encoding": { | |
| "x": { | |
| "field": "x", | |
| "type": "quantitative" | |
| }, | |
| "y": { | |
| "field": "offset2", | |
| "type": "quantitative" | |
| }, | |
| "text": { | |
| "field": "name", | |
| "type": "nominal" | |
| } | |
| } | |
| } | |
| ], | |
| "config": { | |
| "axis": { | |
| "title": null, | |
| "gridColor": "white", | |
| "gridOpacity": 0.25, | |
| "domain": false | |
| }, | |
| "mark": {"tooltip": null}, | |
| "view": {"stroke": "transparent"} | |
| } | |
| } |
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