{
    "center": {
        "title": "绘制中心点",
        "enable": [
            "point"
        ],
        "limitFeatures": 1,
        "properties": {},
        "layer": "circle",
        "paint": {
            "circle-stroke-width": 2,
            "circle-stroke-color": "#fff",
            "circle-stroke-opacity": 0.8,
            "circle-radius": 4,
            "circle-color": "#fd9c27",
            "circle-opacity": 0.6
        }
    },
    "primary": {
        "title": "绘制核心辐射区域",
        "enable": [
            "polygon",
            "circle"
        ],
        "limitFeatures": 1,
        "properties": {
            "type": "primary"
        },
        "layer": "fill",
        "paint": {
            "fill-antialias": true,
            "fill-opacity": 0.2,
            "fill-color": "#fd9c27"
        }
    },
    "secondary": {
        "title": "绘制次级辐射区域",
        "enable": [
            "polygon",
            "circle"
        ],
        "limitFeatures": 4,
        "properties": {
            "type": "secondary"
        },
        "layer": "fill",
        "paint": {
            "fill-antialias": true,
            "fill-opacity": 0.2,
            "fill-color": "#fd9c27"
        }
    }
}