{
  "uri": "context3",
  "map": {
    "view": {
      "projection": "EPSG:3857",
      "center": [-73, 48],
      "zoom": 5,
      "geolocate": true
    }
  },
  "layers": [
    {
      "title": "OSM",
      "sourceOptions": {
        "type": "osm"
      }
    },
    {
      "title": "Countries",
      "opacity": 0.7,
      "styleByAttribute": {
        "type": "regular",
        "attribute": "abbrev",
        "data": ["Can."],
        "stroke": ["red"],
        "width" : [5],
        "label": "geounit",
        "baseStyle": {
          "stroke": {
            "color": "green"
          },
          "fill": {
            "color": "black"
          }
        }
      },
      "sourceOptions": {
        "type": "mvt",
        "url": "https://ahocevar.com/geoserver/gwc/service/tms/1.0.0/ne:ne_10m_admin_0_countries@EPSG:900913@pbf/{z}/{x}/{-y}.pbf"
      }
    },
    {
      "title": "Zone",
      "visible": false,
      "opacity":0.7,
      "style": {
        "stroke": {
          "color": "red"
        },
        "fill": {
          "color": "blue"
        }
      },
      "sourceOptions": {
        "type": "mvt",
        "url": "https://ahocevar.com/geoserver/gwc/service/tms/1.0.0/ne:ne_10m_admin_0_countries@EPSG:900913@pbf/{z}/{x}/{-y}.pbf"
      }
    },
    {
      "title": "California Protected Areas",
      "sourceOptions": {
        "type": "carto",
        "account": "common-data",
        "mapId": "dbd9d89a-bf8a-11e5-b333-0e98b61680bf",
        "queryFormat": "geojson"
      }
    },
    {
      "title": "Tornado",
      "sourceOptions": {
        "type": "carto",
        "account": "common-data",
        "queryFormat": "geojson",
        "queryPrecision": "5000",
        "crossOrigin": "anonymous",
        "config": {
          "version": "1.3.0",
          "layers": [
            {
              "type": "cartodb",
              "options": {
                "cartocss_version": "2.3.0",
                "cartocss":
                  "#layer { line-width: 3; line-color: ramp([yr], (#5F4690, #1D6996, #38A6A5, #0F8554, #73AF48, #EDAD08, #E17C05, #CC503E, #94346E, #6F4070, #666666), (\"2004\", \"2008\", \"2011\", \"1998\", \"2003\", \"1999\", \"1992\", \"2010\", \"2005\", \"1995\"), \"=\"); }",
                "sql": "select * from tornado"
              }
            }
          ]
        }
      }
    }
  ]
}