{
  "params": {
    "art": {
      "type": "choice",
      "options": [
        "sunset",
        "still life",
        "geometric",
        "blank"
      ],
      "default": "sunset",
      "label": "Picture",
      "describe": "sunset (sky bands, a low sun and layered hills), still life (a big bottle, a cup and a fruit on a colour field, product-ad style), geometric (seeded circles, bars and blocks), blank (white paper with a coloured border, space for rent)."
    },
    "size": {
      "type": "choice",
      "options": [
        "bulletin",
        "poster"
      ],
      "default": "bulletin",
      "label": "Size",
      "describe": "bulletin (12 x 4 m highway board), poster (6 x 3 m street board)."
    },
    "mount": {
      "type": "choice",
      "options": [
        "mast",
        "two legs",
        "wall frame"
      ],
      "default": "mast",
      "label": "Mount",
      "describe": "mast (one thick steel column, panel 6-7 m up, highway style), two legs (two I-beam posts with bracing, panel 2.5 m up), wall frame (a low frame on short legs, bottom 0.6 m up, for a car park or a fence line)."
    },
    "lights": {
      "type": "toggle",
      "default": true,
      "label": "Floodlights",
      "describe": "Floodlight arms reaching out from the catwalk to light the picture at night."
    },
    "seed": {
      "type": "range",
      "min": 1,
      "max": 99,
      "step": 1,
      "default": 6,
      "label": "Seed",
      "describe": "Reshuffles the picture colours and the layout of the shapes."
    }
  },
  "presets": {
    "highway sunset": {
      "art": "sunset",
      "size": "bulletin",
      "mount": "mast"
    },
    "street poster": {
      "art": "still life",
      "size": "poster",
      "mount": "two legs",
      "seed": 3
    },
    "for rent": {
      "art": "blank",
      "size": "poster",
      "mount": "wall frame",
      "lights": false
    }
  },
  "night": {
    "ad": {
      "zone": "ad",
      "color": "#fff6e0",
      "intensity": 0.45,
      "describe": "The picture panel is floodlit."
    },
    "lamp": {
      "zone": "lamp",
      "color": "#fff2cf",
      "intensity": 1.6,
      "describe": "The floodlight heads glow."
    }
  }
}