Extension:Graph/SampleGraph

{   "width": 500, "height": 200, "padding": { "top": 10, "left": 30, "bottom": 30, "right": 10 },   "data": [ {           "name": "table", "values": [ {                   "x": 0, "y": 28, "c": 0 },               {                    "x": 0, "y": 55, "c": 1 },               {                    "x": 1, "y": 43, "c": 0 },               {                    "x": 1, "y": 91, "c": 1 },               {                    "x": 2, "y": 81, "c": 0 },               {                    "x": 2, "y": 53, "c": 1 },               {                    "x": 3, "y": 19, "c": 0 },               {                    "x": 3, "y": 87, "c": 1 },               {                    "x": 4, "y": 52, "c": 0 },               {                    "x": 4, "y": 48, "c": 1 },               {                    "x": 5, "y": 24, "c": 0 },               {                    "x": 5, "y": 49, "c": 1 },               {                    "x": 6, "y": 87, "c": 0 },               {                    "x": 6, "y": 66, "c": 1 },               {                    "x": 7, "y": 17, "c": 0 },               {                    "x": 7, "y": 27, "c": 1 },               {                    "x": 8, "y": 68, "c": 0 },               {                    "x": 8, "y": 16, "c": 1 },               {                    "x": 9, "y": 49, "c": 0 },               {                    "x": 9, "y": 15, "c": 1 }           ]        },        {            "name": "stats", "source": "table", "transform": [ {                   "type": "facet", "keys": [ "data.x"                   ] },               {                    "type": "stats", "value": "data.y"               } ]       }    ],    "scales": [ {           "name": "x", "type": "linear", "range": "width", "zero": false, "domain": { "data": "table", "field": "data.x"           } },       {            "name": "y", "type": "linear", "range": "height", "nice": true, "domain": { "data": "stats", "field": "sum" }       },        {            "name": "color", "type": "ordinal", "range": "category10" }   ],    "axes": [ {           "type": "x", "scale": "x" },       {            "type": "y", "scale": "y" }   ],    "marks": [ {           "type": "group", "from": { "data": "table", "transform": [ {                       "type": "facet", "keys": [ "data.c"                       ] },                   {                        "type": "stack", "point": "data.x", "height": "data.y"                   } ]           },            "marks": [ {                   "type": "area", "properties": { "enter": { "interpolate": { "value": "monotone" },                           "x": { "scale": "x", "field": "data.x"                           }, "y": { "scale": "y", "field": "y" },                           "y2": { "scale": "y", "field": "y2" },                           "fill": { "scale": "color", "field": "data.c"                           } },                       "update": { "fillOpacity": { "value": 1 }                       },                        "hover": { "fillOpacity": { "value": 0.5 }                       }                    }                }            ]        }    ] }