{
  "params": {
    "count": {
      "type": "range",
      "min": 2,
      "max": 10,
      "step": 1,
      "default": 6,
      "label": "Seats",
      "describe": "Number of seats in the row, 2 to 10 (55 cm each, so 1.2 to 5.6 m with the end standards)."
    },
    "style": {
      "type": "choice",
      "options": [
        "classic",
        "stadium"
      ],
      "default": "classic",
      "label": "Style",
      "describe": "classic (tall velvet back, wooden armrest caps, panelled end standards, old picture house) or stadium (high back with a headrest, dark plastic shells and wide padded armrests, modern multiplex)."
    },
    "color": {
      "type": "choice",
      "options": [
        "red",
        "blue",
        "charcoal",
        "green",
        "purple"
      ],
      "default": "red",
      "label": "Upholstery",
      "describe": "Seat fabric: red, blue, charcoal, green or purple."
    },
    "riser": {
      "type": "toggle",
      "default": true,
      "label": "Riser",
      "describe": "Stand the row on a 30 cm carpeted riser step with a lit nosing strip and low aisle lights on the end standards, as in a sloped auditorium."
    },
    "seed": {
      "type": "range",
      "min": 1,
      "max": 99,
      "step": 1,
      "default": 2,
      "label": "Seed",
      "describe": "Which seats are tipped up (empty) and which are down, and where a forgotten popcorn box or cup sits."
    }
  },
  "presets": {
    "picture palace": {
      "count": 8,
      "style": "classic",
      "color": "red",
      "riser": true,
      "seed": 2
    },
    "multiplex row": {
      "count": 6,
      "style": "stadium",
      "color": "charcoal",
      "riser": true,
      "seed": 7
    },
    "lecture hall": {
      "count": 10,
      "style": "stadium",
      "color": "blue",
      "riser": false,
      "seed": 4
    }
  },
  "night": {
    "aisle": {
      "zone": "aisle",
      "color": "#ffd9a0",
      "intensity": 1.2,
      "describe": "Step nosing strip and aisle lights glow amber."
    }
  }
}