Chart Compiler Gallery
ChartSpec data compiles into resolved scales, layer specs, glyph definitions, scene graph nodes, and a single SVG renderer.
Timeline
Event dates use a first-class time scale, while point, line, and text glyphs compose the timeline anatomy.
Data Sources
3
Fields
4
Scales
1
Layers
8
Glyphs
32
line 17 / point 5 / text 10
Data Flow Diagram
Select a glyph to highlight its complete source path.
Scope
Roles
No matching flow nodes
Adjust search, scope, or role filters.
Available Data
Timeline events
ChartSpec
{
"id": "catalogue.timeline",
"data": [
{
"id": "events",
"rows": 5
},
{
"id": "__guide.x-grid",
"rows": 5
},
{
"id": "__guide.x",
"rows": 5
}
],
"transforms": [],
"axes": [
{
"id": "x",
"scale": "x",
"orientation": "bottom",
"tickFormat": {
"style": "date"
}
}
],
"grids": [
{
"id": "x-grid",
"scale": "x",
"orientation": "x"
}
],
"fields": [
"label",
"date",
"tooltip",
"value"
],
"scales": [
{
"id": "x",
"type": "time",
"domain": {
"source": "field",
"data": "events",
"field": "date",
"padding": 0.08
}
}
],
"layers": [
{
"id": "x-grid",
"mark": "line",
"role": "guide"
},
{
"id": "x-axis",
"mark": "line",
"role": "guide"
},
{
"id": "x-tick-marks",
"mark": "line",
"role": "guide"
},
{
"id": "x-labels",
"mark": "text",
"role": "guide"
},
{
"id": "timeline-rail",
"mark": "line",
"role": "guide"
},
{
"id": "event-stems",
"mark": "line",
"role": "guide"
},
{
"id": "event-points",
"mark": "point",
"role": "data"
},
{
"id": "event-labels",
"mark": "text",
"role": "guide"
}
]
}Resolved SceneGraph
{
"scene": "catalogue.timeline.scene",
"scales": [
{
"id": "x",
"type": "time",
"domain": [
"2025-12-29",
"2026-05-21"
],
"range": [
48,
718
],
"ticks": [
1766966400000,
1770055200000,
1773144000000,
1776232800000,
1779321600000
]
}
],
"layers": [
{
"id": "x-grid",
"role": "guide",
"zIndex": 0,
"glyphs": 5
},
{
"id": "x-axis",
"role": "guide",
"zIndex": 0,
"glyphs": 1
},
{
"id": "timeline-rail",
"role": "guide",
"zIndex": 4,
"glyphs": 1
},
{
"id": "x-tick-marks",
"role": "guide",
"zIndex": 5,
"glyphs": 5
},
{
"id": "event-stems",
"role": "guide",
"zIndex": 8,
"glyphs": 5
},
{
"id": "event-points",
"role": "data",
"zIndex": 12,
"glyphs": 5
},
{
"id": "event-labels",
"role": "guide",
"zIndex": 16,
"glyphs": 5
},
{
"id": "x-labels",
"role": "guide",
"zIndex": 20,
"glyphs": 5
}
]
}Glyph Data Tree
Full parameter lineage for the active compiler surface.
x-grid
x-axis
timeline-rail
x-tick-marks
event-stems
event-points
event-labels
x-labels
Glyph Inspector
Select a glyph in the chart to inspect resolved params and lineage.