package com.se.simu.utils;
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import com.alibaba.fastjson.JSONArray;
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import org.osgeo.proj4j.BasicCoordinateTransform;
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import org.osgeo.proj4j.CRSFactory;
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import org.osgeo.proj4j.CoordinateReferenceSystem;
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import org.osgeo.proj4j.ProjCoordinate;
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public class ProjectionToGeographicUtil {
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public static JSONArray getPoint(Double x,Double y) {
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// 创建 CRSFactory 对象
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CRSFactory crsFactory = new CRSFactory();
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// 定义投影坐标系统，这里以 UTM 投影为例，zone 33N
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CoordinateReferenceSystem sourceCRS = crsFactory.createFromName("EPSG:4548");
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// 定义地理坐标系统，这里使用 WGS84
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CoordinateReferenceSystem targetCRS = crsFactory.createFromName("EPSG:4326");
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// 创建坐标转换对象
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BasicCoordinateTransform transform = new BasicCoordinateTransform(sourceCRS, targetCRS);
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//lon=116.683795 lat=39.90849042
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// 输入投影坐标，以 UTM 投影坐标为例，单位是米
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ProjCoordinate sourceCoord = new ProjCoordinate(x, y);
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ProjCoordinate targetCoord = new ProjCoordinate();
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// 执行坐标转换
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transform.transform(sourceCoord, targetCoord);
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JSONArray vertice = new JSONArray();
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vertice.add(targetCoord.x);
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vertice.add(targetCoord.y);
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vertice.add(0.0);
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return vertice;
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}
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}
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