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Vega Grouped Bar Chart
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| { | |
| "width": 300, | |
| "height": 240, | |
| "data": [{ | |
| "name": "table", | |
| "values": [{ | |
| "category": "A", | |
| "position": "a", | |
| "value": 0.1 | |
| }, { | |
| "category": "A", | |
| "position": "b", | |
| "value": 0.6 | |
| }, { | |
| "category": "A", | |
| "position": "c", | |
| "value": 0.9 | |
| }, { | |
| "category": "A", | |
| "position": "d", | |
| "value": 0.4 | |
| }, { | |
| "category": "B", | |
| "position": "a", | |
| "value": 0.7 | |
| }, { | |
| "category": "B", | |
| "position": "b", | |
| "value": 0.2 | |
| }, { | |
| "category": "B", | |
| "position": "c", | |
| "value": 1.1 | |
| }, { | |
| "category": "B", | |
| "position": "d", | |
| "value": 0.8 | |
| }, { | |
| "category": "C", | |
| "position": "a", | |
| "value": 0.6 | |
| }, { | |
| "category": "C", | |
| "position": "b", | |
| "value": 0.1 | |
| }, { | |
| "category": "C", | |
| "position": "c", | |
| "value": 0.2 | |
| }, { | |
| "category": "C", | |
| "position": "d", | |
| "value": 0.7 | |
| }] | |
| }], | |
| "scales": [{ | |
| "name": "cat", | |
| "type": "ordinal", | |
| "domain": { | |
| "data": "table", | |
| "field": "category" | |
| }, | |
| "range": "height", | |
| "padding": 0.2 | |
| }, { | |
| "name": "val", | |
| "type": "linear", | |
| "domain": { | |
| "data": "table", | |
| "field": "value" | |
| }, | |
| "range": "width", | |
| "round": true, | |
| "nice": true | |
| }, { | |
| "name": "color", | |
| "type": "ordinal", | |
| "domain": { | |
| "data": "table", | |
| "field": "position" | |
| }, | |
| "range": "category20" | |
| }], | |
| "axes": [{ | |
| "type": "y", | |
| "scale": "cat", | |
| "tickSize": 0, | |
| "tickPadding": 8 | |
| }, { | |
| "type": "x", | |
| "scale": "val" | |
| }], | |
| "marks": [{ | |
| "type": "group", | |
| "from": { | |
| "data": "table", | |
| "transform": [{ | |
| "type": "facet", | |
| "groupby": ["category"] | |
| }] | |
| }, | |
| "properties": { | |
| "enter": { | |
| "y": { | |
| "scale": "cat", | |
| "field": "key" | |
| }, | |
| "height": { | |
| "scale": "cat", | |
| "band": true | |
| } | |
| }, | |
| "update": { | |
| "y": { | |
| "scale": "cat", | |
| "field": "key" | |
| }, | |
| "height": { | |
| "scale": "cat", | |
| "band": true | |
| } | |
| } | |
| }, | |
| "scales": [{ | |
| "name": "pos", | |
| "type": "ordinal", | |
| "range": "height", | |
| "domain": { | |
| "field": "position" | |
| } | |
| }], | |
| "marks": [{ | |
| "name": "bars", | |
| "type": "rect", | |
| "properties": { | |
| "enter": { | |
| "y": { | |
| "scale": "pos", | |
| "field": "position" | |
| }, | |
| "height": { | |
| "scale": "pos", | |
| "band": true | |
| }, | |
| "x": { | |
| "scale": "val", | |
| "field": "value" | |
| }, | |
| "x2": { | |
| "scale": "val", | |
| "value": 0 | |
| }, | |
| "fill": { | |
| "scale": "color", | |
| "field": "position" | |
| } | |
| } | |
| } | |
| }, { | |
| "type": "text", | |
| "from": { | |
| "mark": "bars" | |
| }, | |
| "properties": { | |
| "enter": { | |
| "x": { | |
| "field": "x2", | |
| "offset": -5 | |
| }, | |
| "y": { | |
| "field": "y" | |
| }, | |
| "dy": { | |
| "field": "height", | |
| "mult": 0.5 | |
| }, | |
| "fill": { | |
| "value": "white" | |
| }, | |
| "align": { | |
| "value": "right" | |
| }, | |
| "baseline": { | |
| "value": "middle" | |
| }, | |
| "text": { | |
| "field": "datum.position" | |
| } | |
| } | |
| } | |
| }] | |
| }] | |
| } |
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| <html> | |
| <head> | |
| <title>Vega Scaffold</title> | |
| <script src="http://vega.github.io/vega-editor/vendor/d3.min.js"></script> | |
| <script src="http://vega.github.io/vega-editor/vendor/d3.geo.projection.min.js"></script> | |
| <script src="http://vega.github.io/vega-editor/vendor/topojson.js"></script> | |
| <script src="http://vega.github.io/vega/vega.min.js"></script> | |
| </head> | |
| <body> | |
| <div id="vis"></div> | |
| </body> | |
| <script type="text/javascript"> | |
| vg.parse.spec("grouped_bar.json", function(chart) { | |
| view = chart({ | |
| el:"#vis"}) | |
| view.update(); }); | |
| </script> | |
| </html> |
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