{
        "version": 8,
        "name": "point_example",
        "sprite": "http://localhost:8080/geoserver/styles/sprites",
        "layers": [
          {
            "id": "point_7",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "filter": ["<", "SCALERANK", 7],
            "minzoom": 6,
            "maxzoom": 7,
            "layout": {
               "icon-image": {
                 "type": "categorical",
                 "property": "FEATURECLA",
                 "default": "grey_circle",
                 "stops": [
                   ["Admin-0 capital", "star"]
                 ]
               },
               "icon-size": {
                 "property": "SCALERANK",
                 "type": "exponential",
                 "stops": [
                   [0, 2.5],
                   [10, 1]
                 ]
               }
             }
          },
          {
            "id": "point_7_text",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "filter": ["<", "SCALERANK", 7],
            "minzoom": 6,
            "maxzoom": 7,
            "layout": {
              "text-field": "{NAME}",
              "text-font": ["Arial"],
              "text-size": 10,
              "text-padding": 2
            },
            "paint": {
              "text-color": "black",
              "text-translate": {
                "property": "SCALERANK",
                "type": "exponential",
                "stops": [
                  [0, [0, -8]],
                  [10, [0, -6]]
                ]
              }
            }
          },
          {
            "id": "point_5",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "filter": ["<", "SCALERANK", 5],
            "minzoom": 5,
            "maxzoom": 6,
            "layout": {
               "icon-image": {
                 "type": "categorical",
                 "property": "FEATURECLA",
                 "default": "grey_circle",
                 "stops": [
                   ["Admin-0 capital", "star"]
                 ]
               },
               "icon-size": {
                 "property": "SCALERANK",
                 "type": "exponential",
                 "stops": [
                   [0, 2.5],
                   [10, 1]
                 ]
               }
             }
          },
          {
            "id": "point_5_text",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "filter": ["<", "SCALERANK", 5],
            "minzoom": 5,
            "maxzoom": 6,
            "layout": {
              "text-field": "{NAME}",
              "text-font": ["Arial"],
              "text-size": 10,
              "text-padding": 2
            },
            "paint": {
              "text-color": "black",
              "text-translate": {
                "property": "SCALERANK",
                "type": "exponential",
                "stops": [
                  [0, [0, -8]],
                  [10, [0, -6]]
                ]
              }
            }
          },
          {
            "id": "point_4",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "filter": ["<", "SCALERANK", 4],
            "minzoom": 4,
            "maxzoom": 5,
            "layout": {
               "icon-image": {
                 "type": "categorical",
                 "property": "FEATURECLA",
                 "default": "grey_circle",
                 "stops": [
                   ["Admin-0 capital", "star"]
                 ]
               },
               "icon-size": {
                 "property": "SCALERANK",
                 "type": "exponential",
                 "stops": [
                   [0, 2.5],
                   [10, 1]
                 ]
               }
             }
          },
          {
            "id": "point_4_text",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "filter": ["<", "SCALERANK", 4],
            "minzoom": 4,
            "maxzoom": 5,
            "layout": {
              "text-field": "{NAME}",
              "text-font": ["Arial"],
              "text-size": 10,
              "text-padding": 2
            },
            "paint": {
              "text-color": "black",
              "text-translate": {
                "property": "SCALERANK",
                "type": "exponential",
                "stops": [
                  [0, [0, -8]],
                  [10, [0, -6]]
                ]
              }
            }
          },
          {
            "id": "point_3",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "filter": ["<", "SCALERANK", 3],
            "minzoom": 3,
            "maxzoom": 4,
            "layout": {
               "icon-image": {
                 "type": "categorical",
                 "property": "FEATURECLA",
                 "default": "grey_circle",
                 "stops": [
                   ["Admin-0 capital", "star"]
                 ]
               },
               "icon-size": {
                 "property": "SCALERANK",
                 "type": "exponential",
                 "stops": [
                   [0, 2.5],
                   [10, 1]
                 ]
               }
             }
          },
          {
            "id": "point_3_text",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "filter": ["<", "SCALERANK", 3],
            "minzoom": 3,
            "maxzoom": 4,
            "layout": {
              "text-field": "{NAME}",
              "text-font": ["Arial"],
              "text-size": 10,
              "text-padding": 2
            },
            "paint": {
              "text-color": "black",
              "text-translate": {
                "property": "SCALERANK",
                "type": "exponential",
                "stops": [
                  [0, [0, -8]],
                  [10, [0, -6]]
                ]
              }
            }
          },
          {
            "id": "point_2",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "filter": ["<", "SCALERANK", 2],
            "minzoom": 2,
            "maxzoom": 3,
            "layout": {
               "icon-image": {
                 "type": "categorical",
                 "property": "FEATURECLA",
                 "default": "grey_circle",
                 "stops": [
                   ["Admin-0 capital", "star"]
                 ]
               },
               "icon-size": {
                 "property": "SCALERANK",
                 "type": "exponential",
                 "stops": [
                   [0, 2.5],
                   [10, 1]
                 ]
               }
             }
          },
          {
            "id": "point_2_text",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "filter": ["all", ["<", "SCALERANK", 2], ["!=", "FEATURECLA", "Admin-0 capital"]],
            "minzoom": 2,
            "maxzoom": 3,
            "layout": {
              "text-field": "{NAME}",
              "text-font": ["Arial"],
              "text-size": 10,
              "text-padding": 2
            },
            "paint": {
              "text-color": "black",
              "text-translate": {
                "property": "SCALERANK",
                "type": "exponential",
                "stops": [
                  [0, [0, -8]],
                  [10, [0, -6]]
                ]
              }
            }
          },
          {
            "id": "point_1",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "filter": ["<", "SCALERANK", 1],
            "maxzoom": 2,
            "layout": {
               "icon-image": {
                 "type": "categorical",
                 "property": "FEATURECLA",
                 "default": "grey_circle",
                 "stops": [
                   ["Admin-0 capital", "star"]
                 ]
               },
               "icon-size": {
                 "property": "SCALERANK",
                 "type": "exponential",
                 "stops": [
                   [0, 2.5],
                   [10, 1]
                 ]
               }
             }
          },
          {
            "id": "point_1_text",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "filter": ["<", "SCALERANK", 1],
            "maxzoom": 2,
            "layout": {
              "text-field": "{NAME}",
              "text-font": ["Arial"],
              "text-size": 10,
              "text-padding": 2
            },
            "paint": {
              "text-color": "black",
              "text-translate": {
                "property": "SCALERANK",
                "type": "exponential",
                "stops": [
                  [0, [0, -8]],
                  [10, [0, -6]]
                ]
              }
            }
          },
          {
            "id": "point_0",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "minzoom": 7,
            "layout": {
               "icon-image": {
                 "type": "categorical",
                 "property": "FEATURECLA",
                 "default": "grey_circle",
                 "stops": [
                   ["Admin-0 capital", "star"]
                 ]
               },
               "icon-size": {
                 "property": "SCALERANK",
                 "type": "exponential",
                 "stops": [
                   [0, 2.5],
                   [10, 1]
                 ]
               }
             }
          },
          {
            "id": "point_0_text",
            "type": "symbol",
            "source-layer": "ne:populated_places",
            "minzoom": 7,
            "layout": {
              "text-field": "{NAME}",
              "text-font": ["Arial"],
              "text-size": 10,
              "text-padding": 2
            },
            "paint": {
              "text-color": "black",
              "text-translate": {
                "property": "SCALERANK",
                "type": "exponential",
                "stops": [
                  [0, [0, -8]],
                  [10, [0, -6]]
                ]
              }
            }
          }
        ]
      }