Field

    "field": {
      "w": 27,
      "h": 27,
      "px_per_ft": 10,
      
      "objects": [
      	{ "color": "blue",
      	  "points": [ [0, 0], [0, 4.5], [24, 4.5], [24, 0] ] },
      	  
      	{ "color": "black",
      	  "points": [ [26.833, 0], [27.167, 0], [27.167, 27], [26.833, 27] ] },
      	
      	{ "color": "black",
      	  "points": [ [25.666, 0], [25.833, 0], [25.833, 27], [25.666, 27] ] },
      	  
      	{ "color": "yellow",
          "points": [ [20, 27], [20, 5], [16, 5], [16, 27] ] },
          
        { "color": "purple",
      	  "points": [ [16, 22.6], [16, 18.2], [20, 18.2], [20, 22.6] ] }, 
      	
      	{ "color": "purple",
      	  "points": [ [16, 13.8], [16, 9.4], [20, 9.4] , [20, 13.8] ] },
      	
      	{ "color": "red",
      	  "points": [ [0, 10.5], [2, 10.5], [3.73, 11.5],  [5.73, 15], [5.73, 17], [3.73, 20.5], [2, 21.5], [0, 21.5] ] },
      	  
      	{ "color": "black", 
      	  "points": [ [0, 14], [2, 15], [2, 17], [0, 18] ] }
      ]
    },