{
    "extends": "berlin_tilezen_base.json",
    "definitions": {
        "northPoleColor": {
            "type": "color",
            "value": "#436981"
        },
        "southPoleColor": {
            "type": "color",
            "value": "#87959a"
        }
    },
    "sky": {
        "type": "cubemap",
        "positiveX": "Sky_px.png",
        "negativeX": "Sky_nx.png",
        "positiveY": "Sky_py.png",
        "negativeY": "Sky_ny.png",
        "positiveZ": "Sky_pz.png",
        "negativeZ": "Sky_nz.png"
    },
    "fog": {
        "color": "#300A00",
        "startRatio": 0.9
    },
    "clearColor": "#87959A",
    "lights": [
        {
            "type": "ambient",
            "color": "#FFFFFF",
            "name": "ambientLight",
            "intensity": 0.9
        },
        {
            "type": "directional",
            "color": "#CCCBBB",
            "name": "light1",
            "intensity": 0.8,
            "direction": {
                "x": 1,
                "y": 5,
                "z": 0.5
            }
        },
        {
            "type": "directional",
            "color": "#F4DB9C",
            "name": "light2",
            "intensity": 0.8,
            "direction": {
                "x": -1,
                "y": -3,
                "z": 1
            }
        }
    ],
    "styles": {
        "polar": [
            {
                "description": "North pole",
                "when": ["==", ["get", "kind"], "north_pole"],
                "technique": "fill",
                "renderOrder": 5,
                "color": ["ref", "northPoleColor"]
            },
            {
                "description": "South pole",
                "when": ["==", ["get", "kind"], "south_pole"],
                "technique": "fill",
                "renderOrder": 5,
                "color": ["ref", "southPoleColor"]
            }
        ]
    }
}