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        function displayGeoJSON(geoJsonData) {
            if (!geoJsonData || !geoJsonData.features) {
                console.error("无效的GeoJSON数据");
                return;
            }
            geoJsonData.features.forEach(function (feature) {
                var geometry = feature.geometry;
                var coordinates = [];
                var type = geometry.type;
                if (type === "Point") {