package com.dji.sample.wayline.plane;
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import lombok.Data;
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import java.util.List;
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/**
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* @Author AIX
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* @Date 2024/7/11 11:12
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* @Version 1.0
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*/
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@Data
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public class BoundingRectangle {
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public MapLatLng topLeft;
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public MapLatLng topRight;
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public MapLatLng bottomRight;
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public MapLatLng bottomLeft;
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// 构造器
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// 构造函数，使用四个角点初始化外接矩形
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public BoundingRectangle(MapLatLng topLeft, MapLatLng topRight, MapLatLng bottomRight, MapLatLng bottomLeft) {
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this.topLeft = topLeft;
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this.topRight = topRight;
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this.bottomRight = bottomRight;
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this.bottomLeft = bottomLeft;
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}
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/**
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* 静态方法，根据多边形点列表计算外接矩形并返回BoundingRectangle实例
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* @param polygon
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* @return
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*/
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public static BoundingRectangle fromPolygon(List<double[]> polygon) {
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double maxLat = Double.NEGATIVE_INFINITY;
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double minLat = Double.POSITIVE_INFINITY;
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double maxLon = Double.NEGATIVE_INFINITY;
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double minLon = Double.POSITIVE_INFINITY;
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// 遍历多边形点以找到边界
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for (double[] point : polygon) {
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double lat = point[1]; // 假设每个点的数组是先经度[0]后纬度[1]
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double lon = point[0];
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if (lat > maxLat) {
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maxLat = lat;
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}
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if (lat < minLat) {
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minLat = lat;
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}
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if (lon > maxLon) {
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maxLon = lon;
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}
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if (lon < minLon) {
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minLon = lon;
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}
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}
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// 创建外接矩形的四个角点
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MapLatLng topLeft = new MapLatLng(maxLat, minLon);
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MapLatLng topRight = new MapLatLng(maxLat, maxLon);
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MapLatLng bottomRight = new MapLatLng(minLat, maxLon);
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MapLatLng bottomLeft = new MapLatLng(minLat, minLon);
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// 返回BoundingRectangle实例
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return new BoundingRectangle(topLeft, topRight, bottomRight, bottomLeft);
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}
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}
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