Template:Graph:Stacked

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Revision as of 18:21, 9 May 2023 by imported>Nux (vega5 base migration; url?)
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Template documentation


This graph's main version resides at Template:Graph:Stacked . Please make or suggest all the changes there, and copy it everywhere else (until the copying is automated) 

{{Graph:Stacked
table=Bea.gov/GDP by state.tab xField=year | barwidth=14 series="TX","NY","CA" title=Per state GDP chartSizing=fit 
}}

{{Graph:Stacked
table=Bea.gov/GDP by state.tab xField=year | legend=States series="TX","NY","CA" title=Per state GDP chartSizing=fit 
}}
<graph>

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 "width": 550,
 "height": 250,
 "autosize": {
   "type": "fit",
   "resize": false,
   "contains": "padding"
 },

"padding": "strict", 

 "data": [

{ 

     "name": "series_fields_names",
     "values": [ "TX","NY","CA" ],
     "transform": [
       {"type": "formula", "field": "orderSrc", "expr": "datum._id"},
     ]
   },
   {
     "name": "chart",

"url": "tabular:///Bea.gov/GDP by state.tab", 

     "format": {"type": "json"

, "property": "data" 

     },
   "transform": [



     {"type": "formula", "field": "_xfield", "expr":

"datetime(datum.year, 0, 1)" 

     },
     {"type": "sort", "by": ["_xfield"]},

{"type": "fold", "fields": ["TX","NY","CA"]}, 

     {"type": "lookup", "on": "series_fields_names", "onKey": "data", "keys": ["key"], "as": ["keyItem"]},
     {"type": "formula", "field": "keyOrder", "expr": "datum.keyItem.orderSrc"},

   ]
 },

{ 

   "name": "labels",
   "url": "tabular:///Bea.gov/GDP by state.tab",
   "format": {"type": "json", "property": "fields"},
   "transform": [



   ]
 },



   {
     "name": "stats",
     "source": "chart",
     "transform": [{
       "type": "aggregate",
       "groupby": ["_xfield"],
       "fields": ["value"], "ops": ["sum"]
     }]
   }
 ],
 "scales": [
   {
     "name": "x",
     "type": "time",
     "domain": {"data": "chart", "fields": ["_xfield"]},

     "range": "width",
     



   },
   {
     "name": "y",
     "type": "linear",
     "range": "height",
     "domain": {"data": "stats", "fields": ["sum_value"]},
     
     
     
     
   },
   {
     "name": "color",
     "type": "ordinal",
     "domain": {"data": "chart", "fields": ["key"]},
     "range":

"category10", 

   },

{ 

     "name": "labels",
     "type": "ordinal",

"domain": {"data": "labels", "fields": ["name"]}, 

     "range": {"data": "labels", "field": "title"},
   }
 ],

 "axes": [
   {
     "scale": "x", "orient": "bottom", "tickOffset": 0,
     "ticks": 7,
     
     
     "encode": { 
       "labels": { "update": { 
         
         
       } }
     },
   },
   {
     "scale": "y", "orient": "left", "tickOffset": 0,
     "offset": 8,
     
     
     
     "encode": { 
       "labels": { "update": { 
         
         
       } }
     },
   }
 ],

 "marks": [
   {

"type": "rect", 

     "from": {
       "data": "chart",
       "transform": [
         {"type": "stack", "groupby": ["_xfield"], "sortby": ["-keyOrder"], "field": "value"}
       ]
     },
     "encode": {
       "hover": {
         "fill": { "value": "red" }
       },
       "update": {
         "fill": {"scale": "color", "field": "key"}
       },
       "enter": {
         "x": {"scale": "x", "field": "_xfield"

,"offset":-7 

         },

"width": {"value": 14 }, 

         "y": {"scale": "y", "field": "layout_start"},
         "y2": {"scale": "y", "field": "layout_end"},
         "fill": {"scale": "color", "field": "key"}
       }
     }
   },


{ 

     "type": "text",
     "encode": {
       "enter": {
         "y": {"value": -15},

"x": {"signal": "width", "mult": 0.5, "offset": 30 }, 

         "text": {"value": "Per state GDP"},
         "fontWeight": {"value": "bold"},
         "align": {"value": "center"},
         "baseline": {"value": "bottom"},
         "fill": {"value": "#000"}
       }
     }
   }
 ]

} </graph>

See or edit source data.
 <graph>

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 "width": 550,
 "height": 250,
 "autosize": {
   "type": "fit",
   "resize": false,
   "contains": "padding"
 },

"padding": "strict", 

 "data": [

{ 

     "name": "series_fields_names",
     "values": [ "TX","NY","CA" ],
     "transform": [
       {"type": "formula", "field": "orderSrc", "expr": "datum._id"},
     ]
   },
   {
     "name": "chart",

"url": "tabular:///Bea.gov/GDP by state.tab", 

     "format": {"type": "json"

, "property": "data" 

     },
   "transform": [



     {"type": "formula", "field": "_xfield", "expr":

"datetime(datum.year, 0, 1)" 

     },
     {"type": "sort", "by": ["_xfield"]},

{"type": "fold", "fields": ["TX","NY","CA"]}, 

     {"type": "lookup", "on": "series_fields_names", "onKey": "data", "keys": ["key"], "as": ["keyItem"]},
     {"type": "formula", "field": "keyOrder", "expr": "datum.keyItem.orderSrc"},

{ 

       "type": "impute",
       "groupby": ["key"],
       "orderby": ["_xfield"],
       "field": "value",
       "method": "value",
       "value": 0
     },
   ]
 },

{ 

   "name": "labels",
   "url": "tabular:///Bea.gov/GDP by state.tab",
   "format": {"type": "json", "property": "fields"},
   "transform": [



   ]
 },



   {
     "name": "stats",
     "source": "chart",
     "transform": [{
       "type": "aggregate",
       "groupby": ["_xfield"],
       "fields": ["value"], "ops": ["sum"]
     }]
   }
 ],
 "scales": [
   {
     "name": "x",
     "type": "time",
     "domain": {"data": "chart", "fields": ["_xfield"]},

     "range": "width",
     



   },
   {
     "name": "y",
     "type": "linear",
     "range": "height",
     "domain": {"data": "stats", "fields": ["sum_value"]},
     
     
     
     
   },
   {
     "name": "color",
     "type": "ordinal",
     "domain": {"data": "chart", "fields": ["key"]},
     "range":

"category10", 

   },

{ 

     "name": "labels",
     "type": "ordinal",

"domain": {"data": "labels", "fields": ["name"]}, 

     "range": {"data": "labels", "field": "title"},
   }
 ],

"legends": [{ 

   "fill": "color",
   "stroke": "color",

"title": "States", "encode": { "labels": { "text": {"scale": "labels", "field": "data"} } } 

 }],
 "axes": [
   {
     "scale": "x", "orient": "bottom", "tickOffset": 0,
     "ticks": 7,
     
     
     "encode": { 
       "labels": { "update": { 
         
         
       } }
     },
   },
   {
     "scale": "y", "orient": "left", "tickOffset": 0,
     
     
     
     
     "encode": { 
       "labels": { "update": { 
         
         
       } }
     },
   }
 ],

 "marks": [
   {

"type": "group", 

     "from": {
       "data": "chart",
       "transform": [
         {"type": "stack", "groupby": ["_xfield"], "sortby": ["-keyOrder"], "field": "value"},
         {"type": "facet", "groupby": ["key"]}
       ]
     },
     "marks": [
       {
         "type": "area",
         "encode": {
           "hover": {
             "fill": {"value": "red"}
           },
           "update": {
             "fill": {"scale": "color", "field": "key"}
           },
           "enter": {
             "x": {"scale": "x", "field": "_xfield"},
             "y": {"scale": "y", "field": "layout_start"},
             "y2": {"scale": "y", "field": "layout_end"},
             "fill": {"scale": "color", "field": "key"},
             "interpolate": {"value": "monotone"}
           }
         }
       }
     ],
   },


{ 

     "type": "text",
     "encode": {
       "enter": {
         "y": {"value": -15},

"x": {"signal": "width", "mult": 0.5, "offset": 30 }, 

         "text": {"value": "Per state GDP"},
         "fontWeight": {"value": "bold"},
         "align": {"value": "center"},
         "baseline": {"value": "bottom"},
         "fill": {"value": "#000"}
       }
     }
   }
 ]

} </graph>

See or edit source data.
{{Graph:Stacked | tabletype=query | table=
SELECT ?decade (COUNT(?decade) AS ?count) WHERE {
 ?item wdt:P31 wd:Q3305213 .
 ?item wdt:P571 ?inception .
 BIND( year(?inception) as ?year ). 
 BIND( ROUND(?year/10)*10 as ?decade ) .
 FILTER( ?year > 1400)
} GROUP BY ?decade ORDER BY ?decade
type=year | xField=decade title=Paintings by decade 
}}

{{Graph:Stacked | tabletype=query | table=
SELECT   ?year  (COUNT(?_genre) AS ?count ) (SAMPLE(?_genreLabel) AS ?label ) WHERE {
 ?item wdt:P31 wd:Q11424.
 ?item wdt:P577 ?_publication_date.
 ?item wdt:P136 ?_genre.
 ?_genre rdfs:label ?_genreLabel.
 BIND(str(YEAR(?_publication_date)) AS ?year)
 FILTER((LANG(?_genreLabel)) = "en")  
 FILTER (?_publication_date >= "2000-00-00T00:00:00Z"^^xsd:dateTime)
}
GROUP BY ?_genreLabel ?year
HAVING (?count > 30)
xField=year | group=label | value=count | legend=- title=Number of films by year and genre yGrid=y | colors="category20" | height=460 | barwidth=16 
}}
<graph>

{ 

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 "width": 550,
 "height": 250,
 "autosize": {
   "type": "fit",
   "resize": false,
   "contains": "padding"
 },



 "data": [

{ 

     "name": "series_fields_names",
     "values": [ "count" ],
     "transform": [
       {"type": "formula", "field": "orderSrc", "expr": "datum._id"},
     ]
   },
   {
     "name": "chart",

"url": "wikidatasparql:///?query=SELECT%20%3Fdecade%20%28COUNT%28%3Fdecade%29%20AS%20%3Fcount%29%20WHERE%20%7B%0A%20%20%3Fitem%20wdt%3AP31%20wd%3AQ3305213%20.%0A%20%20%3Fitem%20wdt%3AP571%20%3Finception%20.%0A%20%20BIND%28%20year%28%3Finception%29%20as%20%3Fyear%20%29.%20%0A%20%20BIND%28%20ROUND%28%3Fyear%2F10%29%2A10%20as%20%3Fdecade%20%29%20.%0A%20%20FILTER%28%20%3Fyear%20%3E%201400%29%0A%7D%20GROUP%20BY%20%3Fdecade%20ORDER%20BY%20%3Fdecade", 

     "format": {"type": "json"



     },
   "transform": [



     {"type": "formula", "field": "_xfield", "expr":

"datetime(datum.decade, 0, 1)" 

     },
     {"type": "sort", "by": ["_xfield"]},

{"type": "fold", "fields": ["count"]}, 

     {"type": "lookup", "on": "series_fields_names", "onKey": "data", "keys": ["key"], "as": ["keyItem"]},
     {"type": "formula", "field": "keyOrder", "expr": "datum.keyItem.orderSrc"},

{ 

       "type": "impute",
       "groupby": ["key"],
       "orderby": ["_xfield"],
       "field": "value",
       "method": "value",
       "value": 0
     },
   ]
 },



   {
     "name": "stats",
     "source": "chart",
     "transform": [{
       "type": "aggregate",
       "groupby": ["_xfield"],
       "fields": ["value"], "ops": ["sum"]
     }]
   }
 ],
 "scales": [
   {
     "name": "x",
     "type": "time",
     "domain": {"data": "chart", "fields": ["_xfield"]},

     "range": "width",
     



   },
   {
     "name": "y",
     "type": "linear",
     "range": "height",
     "domain": {"data": "stats", "fields": ["sum_value"]},
     
     
     
     
   },
   {
     "name": "color",
     "type": "ordinal",
     "domain": {"data": "chart", "fields": ["key"]},
     "range":

"category10", 

   },

{ 

     "name": "labels",
     "type": "ordinal",

"domain": ["count"], 

     "range": ["count"],
   }
 ],

 "axes": [
   {
     "scale": "x", "orient": "bottom", "tickOffset": 0,
     "ticks": 7,
     
     
     "encode": { 
       "labels": { "update": { 
         
         
       } }
     },
   },
   {
     "scale": "y", "orient": "left", "tickOffset": 0,
     
     
     
     
     "encode": { 
       "labels": { "update": { 
         
         
       } }
     },
   }
 ],

 "marks": [
   {

"type": "group", 

     "from": {
       "data": "chart",
       "transform": [
         {"type": "stack", "groupby": ["_xfield"], "sortby": ["-keyOrder"], "field": "value"},
         {"type": "facet", "groupby": ["key"]}
       ]
     },
     "marks": [
       {
         "type": "area",
         "encode": {
           "hover": {
             "fill": {"value": "red"}
           },
           "update": {
             "fill": {"scale": "color", "field": "key"}
           },
           "enter": {
             "x": {"scale": "x", "field": "_xfield"},
             "y": {"scale": "y", "field": "layout_start"},
             "y2": {"scale": "y", "field": "layout_end"},
             "fill": {"scale": "color", "field": "key"},
             "interpolate": {"value": "monotone"}
           }
         }
       }
     ],
   },


{ 

     "type": "text",
     "encode": {
       "enter": {
         "y": {"value": -15},

"x": {"signal": "width", "mult": 0.5, "offset": 30 }, 

         "text": {"value": "Paintings by decade"},
         "fontWeight": {"value": "bold"},
         "align": {"value": "center"},
         "baseline": {"value": "bottom"},
         "fill": {"value": "#000"}
       }
     }
   }
 ]

} </graph>

<graph>

{ 

 "$schema": "https://vega.github.io/schema/vega/v5.json",
 "width": 550,
 "height": 460,
 "autosize": {
   "type": "fit",
   "resize": false,
   "contains": "padding"
 },



 "data": [

   {
     "name": "chart",

"url": "wikidatasparql:///?query=SELECT%20%20%20%3Fyear%20%20%28COUNT%28%3F_genre%29%20AS%20%3Fcount%20%29%20%28SAMPLE%28%3F_genreLabel%29%20AS%20%3Flabel%20%29%20WHERE%20%7B%0A%20%20%3Fitem%20wdt%3AP31%20wd%3AQ11424.%0A%20%20%3Fitem%20wdt%3AP577%20%3F_publication_date.%0A%20%20%3Fitem%20wdt%3AP136%20%3F_genre.%0A%20%20%3F_genre%20rdfs%3Alabel%20%3F_genreLabel.%0A%20%20BIND%28str%28YEAR%28%3F_publication_date%29%29%20AS%20%3Fyear%29%0A%20%20FILTER%28%28LANG%28%3F_genreLabel%29%29%20%3D%20%22en%22%29%0A%20%20%0A%20FILTER%20%28%3F_publication_date%20%3E%3D%20%222000-00-00T00%3A00%3A00Z%22%5E%5Exsd%3AdateTime%29%0A%7D%0AGROUP%20BY%20%3F_genreLabel%20%3Fyear%0AHAVING%20%28%3Fcount%20%3E%2030%29", 

     "format": {"type": "json"



     },
   "transform": [



     {"type": "formula", "field": "_xfield", "expr":

"datetime(datum.year, 0, 1)" 

     },
     {"type": "sort", "by": ["_xfield"]},



   ]
 },



   {
     "name": "stats",
     "source": "chart",
     "transform": [{
       "type": "aggregate",
       "groupby": ["_xfield"],
       "fields": ["count"], "ops": ["sum"]
     }]
   }
 ],
 "scales": [
   {
     "name": "x",
     "type": "time",
     "domain": {"data": "chart", "fields": ["_xfield"]},

     "range": "width",
     



   },
   {
     "name": "y",
     "type": "linear",
     "range": "height",
     "domain": {"data": "stats", "fields": ["sum_count"]},
     
     
     
     
   },
   {
     "name": "color",
     "type": "ordinal",
     "domain": {"data": "chart", "fields": ["label"]},
     "range":

"category20", 

   },

 ],

"legends": [{ 

   "fill": "color",
   "stroke": "color",



 }],
 "axes": [
   {
     "scale": "x", "orient": "bottom", "tickOffset": 0,
     "ticks": 7,
     
     "grid": true,
     "encode": { 
       "labels": { "update": { 
         
         
       } }
     },
   },
   {
     "scale": "y", "orient": "left", "tickOffset": 0,
     "offset": 9,
     
     
     "grid": true,
     "encode": { 
       "labels": { "update": { 
         
         
       } }
     },
   }
 ],

 "marks": [
   {

"type": "rect", 

     "from": {
       "data": "chart",
       "transform": [
         {"type": "stack", "groupby": ["_xfield"], "sortby": ["label"], "field": "count"}
       ]
     },
     "encode": {
       "hover": {
         "fill": { "value": "red" }
       },
       "update": {
         "fill": {"scale": "color", "field": "label"}
       },
       "enter": {
         "x": {"scale": "x", "field": "_xfield"

,"offset":-8 

         },

"width": {"value": 16 }, 

         "y": {"scale": "y", "field": "layout_start"},
         "y2": {"scale": "y", "field": "layout_end"},
         "fill": {"scale": "color", "field": "label"}
       }
     }
   },


{ 

     "type": "text",
     "encode": {
       "enter": {
         "y": {"value": -15},

"x": {"signal": "width", "mult": 0.5, "offset": 30 }, 

         "text": {"value": "Number of films by year and genre"},
         "fontWeight": {"value": "bold"},
         "align": {"value": "center"},
         "baseline": {"value": "bottom"},
         "fill": {"value": "#000"}
       }
     }
   }
 ]

} </graph>

Other examples available at testcases page: Template:Graph:Stacked/testcases.

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Use `pad` (or omit this parameter at all) to define prefered plotting size with provided width and height values, and let Vega increase overall chart size to include legend and title (if any)","label":"Chart sizing mode"},"xMin, xAxisMin":{"description":"Force X axis to start from this value","label":"X axis minimum"},"title":{"type":"string","description":"Title of the whole graph","label":"Title"},"yAxisAngle":{"type":"number","description":"Rotates the y axis labels by the specified angle.","label":"Y axis labels angle"},"tabletype":{"description":"Specifies the type of the table data. \"tab\" (default) uses data namespace on commons, without the data: prefix. \"query\" sends request to wikidata query service.","type":"string","default":"tab","label":"Table type"},"series":{"type":"string","description":"If each slice is represented by a separate column of data (or if there is only one column), list of the data columns to show as lines. Must be in quotes, and listed by field IDs if coming from a .tab page: \"field1\", \"field2\", \"field3\".","label":"Series"},"yAxisClamp":{"type":"boolean","label":"Y axis scale clamp"},"yAxis, yAxisTitle":{"type":"string","description":"Title of the Y axis","label":"Y axis title"},"group":{"type":"string","description":"If slice color depends on just one column, specify that column's ID, instead of the series parameter.","label":"Group"},"colors":{"description":"The colors of the areas or bars, specified as Vega defined rangeliteral. This can also be a list like colors = [ \"red\", \"green\" ] or simply colors = red, green","type":"string","default":"\"category10\"","label":"Colors"},"height":{"type":"number","label":"Height"},"xAxisFontSize":{"type":"number","label":"X axis labels font size"},"xMax, xAxisMax":{"description":"Force X axis to end with this value","label":"X axis maximum"},"yGrid":{"type":"boolean","description":"Show grid lines for Y axis","label":"Y axis grid"},"xGrid":{"type":"boolean","description":"Show grid lines for X axis","label":"X axis grid"},"xTicks, xAxisTicks":{"type":"number","description":"How many ticks to show on X axis. 7 by default. '-' value makes it automatic.","label":"X axis ticks"},"yMin, yAxisMin":{"description":"Force Y axis to start from this value","label":"Y axis minimum"},"legend":{"type":"string","description":"Title of the legend","label":"Legend"},"hAnnotationsTransforms":{"type":"string","label":"Horizontal annotation data transforms"},"hAnnotationsTable":{"type":"string","description":"Data page name on Commons, without the Data: prefix. The table must contain \"y\" column, and optional \"text\" and \"color\" columns.","label":"Horizontal annotation table"},"type":{"suggested":true,"type":"string","default":"year","label":"X axis type","description":"Type of the x axis - time (e.g. \"2015-10\" or \"2013-03-08), year (integer, but treated as a year), linear (numbers), ordinal (anything)"},"titleXAlign":{"type":"string","description":"Horizontal alignment of title, could be one of: left, center, right","label":"Title horizontal alignment"},"hAnnotationsValues":{"type":"string","description":"Supply all horizontal annotation values as a list of JSON objects: {\"text\":\"Big event\", \"y\": 980}, ...","label":"Raw horizontal annotation values"},"yMax, yAxisMin":{"description":"Force Y axis to end with this value","label":"Y axis maximum"},"vAnnotationsValues":{"type":"string","description":"Supply all annotation values as a list of JSON objects: {\"text\": \"Big event\", \"x\": 1980}, ...","label":"Raw vertical annotation values"},"yAxisFontSize":{"type":"number","label":"Y axis labels font size"},"width":{"type":"number","label":"Width"},"xAxisAngle":{"type":"number","description":"Rotates the x axis labels by the specified angle. Recommended values are: -45, +45, -90, +90.","label":"X axis labels angle"},"titleXOffset":{"type":"number","description":"Horizontal offset of title position, could be negative, to shift title to the left, or positive to shift title to the right","label":"Title horizontal offset"},"vAnnotationsTable":{"type":"string","description":"Data page name on Commons, without the Data: prefix. The table must contain \"x\" column, and optional \"text\" and \"color\" columns.","label":"Vertical annotation table"},"filter":{"type":"string","description":"Optionally filter data with an template expression parameter e.g. `filter = datum.some_dataset_field > 1900 && datum.some_dataset_field < 2000` where `some_dataset_field` means some valid field of displayed dataset","label":"Filter"},"barwidth":{"type":"string","description":"If set, show graph with bars instead of areas. If set, must be either an integer pixel width of the bars, or when type=ordinal, can also be set to 'auto'","label":"Bar width"},"xAxisClamp":{"type":"boolean","label":"X axis scale clamp"},"xZero, xAxisZero":{"type":"string","description":"Force to start or not to start X axis with zero. Can be either true or false","label":"X axis starts at 0"},"yZero, yAxisZero":{"type":"string","description":"Force to start or not to start Y axis with zero. Can be either true or false","label":"Y axis zero starts at 0"}}}</templatedata>Edit parameter translations

The above documentation is transcluded from Template:Graph:Stacked/doc. (edit | history)
Editors can experiment in this template’s sandbox (create | mirror) and testcases (edit) pages.
Please add categories to the /doc subpage. Subpages of this template.
<graph>

{
  //
  // ATTENTION: This code is maintained at https://www.mediawiki.org/wiki/Template:Graph:Stacked
  //            Please do not modify it anywhere else, as it may get copied and override your changes.
  //            Suggestions can be made at https://www.mediawiki.org/wiki/Template:Graph:Stacked
  //
  // Template translation is in https://commons.wikimedia.org/wiki/Data:Original/Template:Graphs.tab
  //

  "$schema": "https://vega.github.io/schema/vega/v5.json",
  "width": 550,
  "height": 250,
  "autosize": {
    "type": "fit",
    "resize": false,
    "contains": "padding"
  },
  // Parameter to controls how width/height should be interpreted.
  // See Vega 2.x "padding" https://vega.github.io/vega/docs/porting-guide/#layout
  // and Vega x.x "autosize" https://vega.github.io/vega-lite/docs/size.html#autosize
  // and CSS attribute "box-sizing" https://developer.mozilla.org/docs/Web/CSS/box-sizing
  // for references


  "data": [

    {
      "name": "chart",

"url": "tabular:///{{{table}}}",
      "format": {"type": "json"
, "property": "data"

      },
    "transform": [



      // Convert xField parameter into a field "_xfield"
      {"type": "formula", "field": "_xfield", "expr":
"datum.{{{xField}}}"
      },
      {"type": "sort", "by": ["_xfield"]},

      // For non-bar graph, ensure that all missing values still present as zeros to avoid area breaks
      // We might need to allow other, non-0 values to be imputed.
{
        "type": "impute",
        "groupby": ["key"],
        "orderby": ["_xfield"],
        "field": "value",
        "method": "value",
        "value": 0
      },
    ]
  },



    {
      "name": "stats",
      "source": "chart",
      "transform": [{
        "type": "aggregate",
        "groupby": ["_xfield"],
        "fields": ["value"], "ops": ["sum"]
      }]
    }
  ],
  "scales": [
    {
      "name": "x",
      "type": "{{{type}}}",
      "domain": {"data": "chart", "fields": ["_xfield"]},

      "range": "width",
      

      
    },
    {
      "name": "y",
      "type": "linear",
      "range": "height",
      "domain": {"data": "stats", "fields": ["sum_value"]},
      
      
      
      
    },
    {
      "name": "color",
      "type": "ordinal",
      "domain": {"data": "chart", "fields": ["key"]},
      "range": 
"category10", 

    },

  ],

  "axes": [
    {
      "scale": "x", "orient": "bottom", "tickOffset": 0,
      "ticks": 7,
      
      
      "encode": { 
        "labels": { "update": { 
          
          
        } }
      },
    },
    {
      "scale": "y", "orient": "left", "tickOffset": 0,
      // When drawing "type=year" (or "type=ordinal") bars with the given width, shift y axis left by half the width
      
      
      
      
      "encode": { 
        "labels": { "update": { 
          
          
        } }
      },
    }
  ],

  "marks": [
    // Group data by the "key", and draw lines, one line per key
    {
"type": "group",
      "from": {
        "data": "chart",
        "transform": [
          {"type": "stack", "groupby": ["_xfield"], "sortby": ["key"], "field": "value"},
          {"type": "facet", "groupby": ["key"]}
        ]
      },
      "marks": [
        {
          "type": "area",
          "encode": {
            "hover": {
              "fill": {"value": "red"}
            },
            "update": {
              "fill": {"scale": "color", "field": "key"}
            },
            "enter": {
              "x": {"scale": "x", "field": "_xfield"},
              "y": {"scale": "y", "field": "layout_start"},
              "y2": {"scale": "y", "field": "layout_end"},
              "fill": {"scale": "color", "field": "key"},
              "interpolate": {"value": "monotone"}
            }
          }
        }
      ],
    },



  ]
}

</graph>
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