{
  "version": 8,
  "name": "gmap-anonymous",
  "glyphs": "https://fonts.openmaptiles.org/{fontstack}/{range}.pbf",
  "sources": {
    "gmap": {
      "type": "vector",
      "url": "http://ggm.vietmap.us/tiles.json"
    }
  },
  "layers": [
    {
      "id": "bg",
      "type": "background",
      "paint": {
        "background-color": "#eaeef2"
      }
    },
    {
      "id": "road-casing",
      "type": "line",
      "source": "gmap",
      "source-layer": "road",
      "layout": {
        "line-cap": "round",
        "line-join": "round"
      },
      "paint": {
        "line-color": "#c4cbd4",
        "line-width": [
          "interpolate",
          [
            "exponential",
            1.5
          ],
          [
            "zoom"
          ],
          11,
          1.5,
          13,
          3,
          15,
          6.5,
          17,
          12,
          19,
          26
        ]
      }
    },
    {
      "id": "road-fill",
      "type": "line",
      "source": "gmap",
      "source-layer": "road",
      "layout": {
        "line-cap": "round",
        "line-join": "round"
      },
      "paint": {
        "line-color": "#ffffff",
        "line-width": [
          "interpolate",
          [
            "exponential",
            1.5
          ],
          [
            "zoom"
          ],
          11,
          0.6,
          13,
          1.6,
          15,
          4,
          17,
          8.5,
          19,
          19
        ]
      }
    },
    {
      "id": "road-label",
      "type": "symbol",
      "source": "gmap",
      "source-layer": "road_label",
      "minzoom": 11,
      "layout": {
        "symbol-placement": "line",
        "symbol-spacing": 260,
        "text-field": [
          "get",
          "name"
        ],
        "text-font": [
          "Noto Sans Regular"
        ],
        "text-size": [
          "interpolate",
          [
            "linear"
          ],
          [
            "zoom"
          ],
          11,
          10,
          16,
          12,
          19,
          13.5
        ],
        "text-letter-spacing": 0.01,
        "text-max-angle": 40
      },
      "paint": {
        "text-color": "#5f6368",
        "text-halo-color": "#ffffff",
        "text-halo-width": 1.5,
        "text-halo-blur": 0.4
      }
    },
    {
      "id": "poi-dot",
      "type": "circle",
      "source": "gmap",
      "source-layer": "poi",
      "minzoom": 12,
      "paint": {
        "circle-radius": [
          "interpolate",
          [
            "linear"
          ],
          [
            "zoom"
          ],
          12,
          2.5,
          18,
          5
        ],
        "circle-color": "#ea4335",
        "circle-stroke-color": "#ffffff",
        "circle-stroke-width": 1.6
      }
    },
    {
      "id": "poi-label",
      "type": "symbol",
      "source": "gmap",
      "source-layer": "poi",
      "minzoom": 13,
      "layout": {
        "text-field": [
          "get",
          "name"
        ],
        "text-font": [
          "Noto Sans Regular"
        ],
        "text-size": [
          "interpolate",
          [
            "linear"
          ],
          [
            "zoom"
          ],
          13,
          10.5,
          18,
          12.5
        ],
        "text-anchor": "left",
        "text-offset": [
          0.7,
          0
        ],
        "text-max-width": 9,
        "text-optional": true
      },
      "paint": {
        "text-color": "#202124",
        "text-halo-color": "#ffffff",
        "text-halo-width": 1.5
      }
    }
  ]
}