anchor.diff:          "markers": [
             {
               "max": null,
  -            "dim": "y",
  +            "min": 80,
               "type": "error bold",
               "value": "y > 80",
  -            "min": 80
  +            "dim": "y"
             },
             {
               "max": 80,
  -            "dim": "y",
  +            "min": null,
               "type": "ok dashed",
               "value": "y < 80",
  -            "min": null
  +            "dim": "y"
             }
           ]
         },
  
positive.code: {
    "board_title": "<%= environment %> Routing Metrics",
    "board_bgtype": "board_graph",
    "original_title": "<%= environment %> Routing Metrics",
    "height": 133,
    "width": "100%",
    "template_variables": [
  
negative.code:       "title_text": "",
        "height": 2,
        "width": 34,
        "y": 81,
        "x": 37,
        "font_size": "36",
        "type": "free_text"
      },
  