Input schema (JSON)
{
"type": "object",
"required": [
"chart"
],
"properties": {
"chart": {
"type": "object",
"properties": {
"id": {
"type": "string",
"description": "Optional stable identifier for the produced spec."
},
"geo": {
"type": "object",
"description": "Inline geojson or topojson with topoObjectName, rows, join and valueField; optional point or flow fields. tool_schema gives the full contract."
},
"name": {
"type": "string",
"description": "Optional human-friendly chart title."
},
"rows": {
"type": "array",
"items": {
"type": "object",
"description": "rows item.",
"additionalProperties": true
},
"maxItems": 500,
"minItems": 1,
"description": "Inline flat data rows."
},
"brand": {
"enum": [
"A",
"B"
],
"type": "string",
"default": "A",
"description": "Token brand for drawing and certification."
},
"chord": {
"type": "object",
"description": "Chord input: {nodes:[{name}],links:[{source,target,value}]}; links refer to node names; each directed pair must be unique."
},
"theme": {
"enum": [
"light",
"dark",
"hc"
],
"type": "string",
"default": "light",
"description": "Colour theme for drawing and certification."
},
"intent": {
"type": "object",
"description": "Structured request: goal, measures and dimensions, with optional chartFamily; uses rows instead of explicit chartType and encodings."
},
"output": {
"type": "object",
"required": [],
"properties": {
"svg": {
"type": "boolean",
"default": false,
"description": "Include the SVG drawing, for displaying the chart."
},
"width": {
"type": "integer",
"maximum": 2000,
"minimum": 100,
"description": "Drawing width in pixels."
},
"height": {
"type": "integer",
"maximum": 2000,
"minimum": 100,
"description": "Drawing height in pixels."
},
"includeA11y": {
"type": "boolean",
"default": false,
"description": "Include the accessible data table and narrative."
},
"includeNormalizedSpec": {
"type": "boolean",
"default": false,
"description": "Include the normalized chart specification."
}
},
"description": "Optional outputs; default reply has hashes and certification.",
"additionalProperties": false
},
"sankey": {
"type": "object",
"description": "Sankey input: {nodes:[{name}],links:[{source,target,value}]}; links refer to node names. Use chartType:\"sankey\"."
},
"network": {
"type": "object",
"description": "Force graph: nodes [{id,group}] and links [{source,target,value}], at most 250 nodes."
},
"opacity": {
"type": "number",
"maximum": 1,
"minimum": 0,
"description": "Constant mark opacity for Cartesian charts only; omission keeps renderer defaults."
},
"pattern": {
"enum": [
"pattern:viz:bubble-distribution",
"pattern:viz:correlation-matrix",
"pattern:viz:correlation-scatter",
"pattern:viz:detail-overview-bar",
"pattern:viz:diverging-bar",
"pattern:viz:drilldown-stacked-bar",
"pattern:viz:facet-small-multiples-line",
"pattern:viz:facet-target-band",
"pattern:viz:focus-context-line",
"pattern:viz:grouped-bar",
"pattern:viz:histogram",
"pattern:viz:layered-line-area",
"pattern:viz:multi-series-line",
"pattern:viz:running-total-area",
"pattern:viz:simple-bar",
"pattern:viz:stacked-100-bar",
"pattern:viz:stacked-area-projection",
"pattern:viz:stacked-bar",
"pattern:viz:target-band-line",
"pattern:viz:time-grid-heatmap",
"pattern:viz:waterfall"
],
"type": "string",
"description": "Exact registered pattern identity; preserves source data and presentation. Cannot combine with chartType, data, intent or identity/presentation overrides."
},
"chartType": {
"enum": [
"bar",
"line",
"area",
"scatter",
"heatmap",
"treemap",
"sunburst",
"sankey",
"force_graph",
"choropleth",
"bubble_map",
"flow_map",
"chord"
],
"type": "string",
"description": "Chart family; Cartesian types need rows and encodings, others their named input. Omit to suggest from rows."
},
"encodings": {
"type": "object",
"properties": {
"x": {
"type": [
"string",
"object"
],
"description": "Field name or binding."
},
"y": {
"type": [
"string",
"object"
],
"description": "Field name or binding."
},
"size": {
"type": [
"string",
"object"
],
"description": "Field name or binding."
},
"color": {
"type": [
"string",
"object"
],
"description": "Field name or binding."
},
"shape": {
"type": [
"string",
"object"
],
"description": "Field name or binding."
},
"detail": {
"type": [
"string",
"object"
],
"description": "Field name or binding."
}
},
"description": "Cartesian bindings: each needs field; optional type, aggregate, title, format (d3-format), currency (ISO 4217).",
"additionalProperties": false
},
"hierarchy": {
"type": "object",
"description": "Treemap/sunburst: {type:\"nested\",data:{name,value,children}} or {type:\"adjacency_list\",data:[{id,parentId,value}]}. See full schema."
},
"description": {
"type": "string",
"description": "Optional override for the synthesized accessibility description. When omitted, a non-empty description is generated from the encodings."
},
"strictFields": {
"type": "boolean",
"default": false,
"description": "Warn about unresolved fields and unmatched map joins (OODS-V131/V134). Default false preserves existing behavior."
},
"a11yEquivalence": {
"type": "boolean",
"default": true,
"description": "Check Vega-Lite accessible equivalents (default true). Errors stop rendering; warnings are returned. ECharts-primary scaffolds are not checked here."
}
},
"additionalProperties": false
},
"reproduce": {
"type": "boolean",
"default": false,
"description": "Include the command and calls for reproducing this result."
}
},
"additionalProperties": false
}