iOS根据多个坐标点得到中心点

示例代码如下:

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func getPointsCenter() {
        let points =  [
            [118.72735499843424, 32.16250875496402],
            [118.72868071329253, 32.1622072483823],
            [118.72844986716387, 32.16153722994673],
            [118.72726266031236, 32.16188340660801],
            [118.72735499843424, 32.16250875496402]
        ]
        let pointCount = Double(points.count)
        var A = 0.0
        var B = 0.0
        var C = 0.0
        for point in points {
            let lon = point[0] * Double.pi / 180
            let lat = point[1] * Double.pi / 180
            var x = 0.0
            var y = 0.0
            var z = 0.0
            x = cos(lat) * cos(lon)
            y = cos(lat) * sin(lon)
            z = sin(lat)
            A += x
            B += y
            C += z
        }
        A = A / pointCount
        B = B / pointCount
        C = C / pointCount
        
        let tmp_lon = atan2(B, A)
        let tmp_lat = atan2(C, sqrt(A * A + B * B))
        print("中心点:\(tmp_lat * 180 / Double.pi), \(tmp_lon * 180 / Double.pi)")
}

验证方法:自适应显示多个点标记-点标记-示例中心-JS API 示例 | 高德地图API (amap.com)

image-20230606104714813

参考链接:

根据多个坐标点得到中心点，适用于腾讯地图、百度地图、高德地图等等_求多个坐标点的中心点_michaelzhouh的博客-CSDN博客