{
  "$schema": "urn:prism:schema:v1:spec",
  "title": "Prism PDF Dashboard Demo",
  "vconcat": [
    {
      "$schema": "urn:prism:schema:v1:spec",
      "title": "Bar — quarterly revenue",
      "data": {"values": [
        {"q": "Q1", "rev": 120},
        {"q": "Q2", "rev": 145},
        {"q": "Q3", "rev": 132},
        {"q": "Q4", "rev": 168}
      ]},
      "mark": "bar",
      "encoding": {
        "x": {"field": "q", "type": "nominal"},
        "y": {"field": "rev", "type": "quantitative"}
      }
    },
    {
      "$schema": "urn:prism:schema:v1:spec",
      "title": "Line — weekly active users",
      "data": {"values": [
        {"week": 1, "wau": 320},
        {"week": 2, "wau": 380},
        {"week": 3, "wau": 410},
        {"week": 4, "wau": 405},
        {"week": 5, "wau": 460}
      ]},
      "mark": "line",
      "encoding": {
        "x": {"field": "week", "type": "quantitative"},
        "y": {"field": "wau", "type": "quantitative"}
      }
    },
    {
      "$schema": "urn:prism:schema:v1:spec",
      "title": "Area — cumulative installs",
      "data": {"values": [
        {"day": 1, "n": 50},
        {"day": 2, "n": 90},
        {"day": 3, "n": 140},
        {"day": 4, "n": 190},
        {"day": 5, "n": 260}
      ]},
      "mark": "area",
      "encoding": {
        "x": {"field": "day", "type": "quantitative"},
        "y": {"field": "n", "type": "quantitative"}
      }
    },
    {
      "$schema": "urn:prism:schema:v1:spec",
      "title": "Point — latency vs throughput",
      "data": {"values": [
        {"thr": 100, "lat": 12},
        {"thr": 200, "lat": 18},
        {"thr": 300, "lat": 28},
        {"thr": 400, "lat": 42},
        {"thr": 500, "lat": 65}
      ]},
      "mark": "point",
      "encoding": {
        "x": {"field": "thr", "type": "quantitative"},
        "y": {"field": "lat", "type": "quantitative"}
      }
    }
  ]
}