{
  "params": {
    "count": {
      "type": "range",
      "min": 1,
      "max": 3,
      "step": 1,
      "default": 1,
      "label": "Count",
      "describe": "Number of silos in a row along X. Two or three are joined at the top by a catwalk with railings."
    },
    "height": {
      "type": "range",
      "min": 6,
      "max": 14,
      "step": 0.5,
      "default": 9,
      "label": "Height",
      "describe": "Height of the cylindrical body in metres (the cap adds about 1.2 to 2 m). 6 is a small feed bin, 14 a big grain silo."
    },
    "colour": {
      "type": "choice",
      "options": [
        "galvanised",
        "red",
        "blue",
        "white"
      ],
      "default": "galvanised",
      "label": "Colour",
      "describe": "galvanised (bare corrugated steel), red (red stave silo with a silver cap), blue (deep blue glass-lined silo), white (white with a red cap)."
    },
    "cap": {
      "type": "choice",
      "options": [
        "cone",
        "dome"
      ],
      "default": "cone",
      "label": "Cap",
      "describe": "cone (shallow conical grain-bin roof with a vent) or dome (rounded cap of a classic tower silo)."
    }
  },
  "presets": {
    "twin silos": {
      "count": 2,
      "height": 10
    },
    "red stave silo": {
      "colour": "red",
      "cap": "dome",
      "height": 12
    },
    "grain complex": {
      "count": 3,
      "height": 11,
      "colour": "galvanised"
    }
  },
  "night": null
}