screen description

screen.json

{
  "screens": [
    {
      "crop_height": 600,
      "crop_width": 800,
      "margin_left": 200,
      "margin_top": 200,
      "name": "screen1",
      "pi": "45"
    },
    {
      "crop_height": 1024,
      "crop_width": 200,
      "margin_left": 0,
      "margin_top": 0,
      "name": "screen2",
      "pi": "22"
    }
  ]
}