{
  "params": {
    "density": {
      "type": "range",
      "min": 8,
      "max": 40,
      "step": 1,
      "default": 22,
      "label": "Density",
      "describe": "Number of stems in the clump. 8 is a sparse tuft, 40 a thick reed bed."
    },
    "height": {
      "type": "range",
      "min": 0.6,
      "max": 2.5,
      "step": 0.05,
      "default": 1.5,
      "label": "Height",
      "describe": "Height of the tallest stems in metres. 0.6 is a pond-edge tuft, 2.5 a head-high reed bed."
    },
    "season": {
      "type": "choice",
      "options": [
        "spring",
        "summer",
        "autumn",
        "winter"
      ],
      "default": "summer",
      "label": "Season",
      "describe": "spring (fresh lime green, pale flowers on the pads), summer (deep green, brown cattails, pink lily flower), autumn (golden tan, dark heads, fluffy plumes), winter (dry straw with snow on the heads and frozen water)."
    },
    "water": {
      "type": "toggle",
      "default": true,
      "label": "Water patch",
      "describe": "A small pond with a muddy rim and lily pads around the clump; ice in winter. Off stands the reeds in a patch of mud."
    },
    "seed": {
      "type": "range",
      "min": 1,
      "max": 50,
      "step": 1,
      "default": 3,
      "label": "Seed",
      "describe": "Changes stem positions, lean, blade curls and which stems carry cattails or plumes."
    }
  },
  "presets": {
    "cattail pond": {
      "density": 18,
      "height": 1.4,
      "seed": 8
    },
    "golden reed bed": {
      "density": 38,
      "height": 2.2,
      "season": "autumn",
      "water": false
    },
    "frozen marsh": {
      "season": "winter",
      "density": 26
    }
  },
  "night": null
}