{
  "params": {
    "scheme": {
      "type": "choice",
      "options": [
        "blue",
        "teal",
        "sunset",
        "grey",
        "cargo"
      ],
      "default": "blue",
      "label": "Scheme",
      "describe": "Generic paint, no logos: blue (white with a blue tail and cheatline), teal (teal tail and engines, yellow line), sunset (orange tail, red line), grey (grey with a dark tail) or cargo (freighter with no cabin windows and a brown tail)."
    },
    "length": {
      "type": "range",
      "min": 0.75,
      "max": 1.4,
      "step": 0.05,
      "default": 1,
      "label": "Length",
      "describe": "Stretches the cabin. 1 is about 38 m (180 seats); 0.75 a 32 m short-haul model; 1.4 a 47 m stretched version with more windows."
    },
    "gear": {
      "type": "toggle",
      "default": true,
      "label": "Landing gear",
      "describe": "Landing gear down (nose gear plus two four-wheel main legs). Off = gear tucked away for cruise; the jet then rests on its belly and engines."
    },
    "winglets": {
      "type": "toggle",
      "default": true,
      "label": "Winglets",
      "describe": "Upturned wingtip fins. Off = plain tips, an older look."
    }
  },
  "presets": {
    "short haul": {
      "scheme": "teal",
      "length": 0.8
    },
    "long stretch": {
      "scheme": "sunset",
      "length": 1.35
    },
    "night freighter": {
      "scheme": "cargo",
      "winglets": false
    }
  },
  "night": {
    "window": {
      "zone": "window",
      "color": "#ffe0a8",
      "intensity": 0.9,
      "describe": "Rows of warm cabin windows and the lit flight deck."
    },
    "nav": {
      "zone": "nav",
      "intensity": 1.8,
      "describe": "Navigation lights: red on the left wingtip, green on the right, white on the tail."
    },
    "beacon": {
      "zone": "beacon",
      "color": "#ff4636",
      "intensity": 1.8,
      "describe": "Red anti-collision beacons on the roof and belly."
    },
    "lamp": {
      "zone": "lamp",
      "color": "#fff4cc",
      "intensity": 2.2,
      "describe": "Landing lights at the wing roots and on the nose gear."
    }
  }
}