package com.yssh.utils;
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import java.text.SimpleDateFormat;
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import java.util.*;
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import com.yssh.entity.Coordinate;
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import com.yssh.entity.DistanceSuYuan;
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import com.yssh.entity.MonitorPointPosition;
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import org.geotools.geometry.DirectPosition2D;
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import org.geotools.referencing.CRS;
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import org.geotools.referencing.GeodeticCalculator;
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import org.geotools.referencing.crs.DefaultGeographicCRS;
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import org.opengis.referencing.crs.CoordinateReferenceSystem;
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public class CalculateUtils {
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private final static SimpleDateFormat ymdh = new SimpleDateFormat("yyyyMMddHH");
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/**
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* 获取年月日时
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*/
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public static String getYearMonthDayHour(Date date) {
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return ymdh.format(date);
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}
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/**
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* 默认地球半径,赤道半径(单位m)
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*/
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private final static double EARTH_RADIUS1 = 6371000;
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/**
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* 转化为弧度(rad)
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*/
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private static double rad(double d)
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{
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return d * Math.PI / 180.0;
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}
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/**
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* 计算距离1
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*/
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public static double getDistance1(double lon1, double lat1, double lon2, double lat2) {
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double radLat1 = rad(lat1);
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double radLat2 = rad(lat2);
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double a = radLat1 - radLat2;
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double b = rad(lon1) - rad(lon2);
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double s = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin(a / 2), 2) + Math.cos(radLat1) * Math.cos(radLat2) * Math.pow(Math.sin(b / 2), 2)));
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s = s * EARTH_RADIUS1;
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return round2(s);
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}
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/**
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* 计算距离2
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*/
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public static double getDistance2(double x1, double y1, double x2, double y2) {
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// 84坐标系构造GeodeticCalculator
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GeodeticCalculator geodeticCalculator = new GeodeticCalculator(DefaultGeographicCRS.WGS84);
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// 起点经纬度
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geodeticCalculator.setStartingGeographicPoint(x1, y1);
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// 末点经纬度
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geodeticCalculator.setDestinationGeographicPoint(x2, y2);
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// 计算距离，单位：米
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double distance = geodeticCalculator.getOrthodromicDistance();
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return round2(distance);
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}
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public static double round2(double d) {
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return ((long)(d * 100)) / 100D;
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}
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/**
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* 计算角度
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*/
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public static double getAngle(double x1, double y1, double x2, double y2) {
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try {
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CoordinateReferenceSystem crs = CRS.decode("EPSG:4326");
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DirectPosition2D p1 = new DirectPosition2D(crs, x1, y1);
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DirectPosition2D p2 = new DirectPosition2D(crs, x2, y2);
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GeodeticCalculator gc = new GeodeticCalculator();
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gc.setStartingGeographicPoint(p1);
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gc.setDestinationGeographicPoint(p2);
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double angle = gc.getAzimuth();
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return round2(angle);
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} catch (Exception ex) {
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return 0;
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}
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}
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/**
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* 计算角度2
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*/
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public static double getAngle2(double x1, double y1, double x2, double y2){
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try {
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DirectPosition2D p1 = new DirectPosition2D( x1, y1);
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DirectPosition2D p2 = new DirectPosition2D(x2, y2);
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GeodeticCalculator gc = new GeodeticCalculator();
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gc.setStartingGeographicPoint(p1);
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gc.setDestinationGeographicPoint(p2);
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double angle = gc.getAzimuth();
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return round2(angle);
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}catch (Exception ex){
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return 0;
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}
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}
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/**
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* 获取坐标
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* @param su
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* @return
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*/
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public static Coordinate getCoordinate(DistanceSuYuan su) {
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String[] sirs = su.getId().split("_");
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int x = Integer.parseInt(sirs[0]);
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int y = Integer.parseInt(sirs[1]);
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double lon = CalculateUtils.getLon(x, y);
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double lat = CalculateUtils.getLat(x, y);
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return new Coordinate(lon, lat);
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}
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/**
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* 计算经度
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* @param @param x
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* @param @param y
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* @param @return 参数
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* @return double 返回类型
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* @throws
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* @Title: getLon
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* @Description: 计算经度
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*/
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public static double getLon(int x, int y) {
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double lon = 115.9165227 + 0.000116732 * (x - 0.5) + 0.00000116862 * (y - 0.5);
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if (lon < 115 || lon > 116) {
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System.out.println("lon is invalid");
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}
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return lon;
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}
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/**
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* 计算维度
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* @param @param x
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* @param @param y
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* @param @return 参数
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* @return double 返回类型
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* @throws
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* @Title: getLat
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* @Description: 计算维度
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*/
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public static double getLat(int x, int y) {
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double lat = 39.77250000 + 0.000001000 * (x - 0.5) - 0.00009000000 * (y - 0.5);
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if (lat < 39 || lat > 40) {
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System.out.println("lat is invalid");
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}
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return lat;
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}
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/**
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* @param @param checkPoints
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* @param @return 参数
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* @return List<String> 返回类型
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* @throws
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* @Title: assembleId
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* @Description: 组装id
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*/
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public static List<String> assembleId(List<MonitorPointPosition> checkPoints) {
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List<String> ids2d = new ArrayList<>();
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for (MonitorPointPosition point : checkPoints) {
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// ids2d.add(point.getX() + "_" + point.getY() + "_" + point.getZ());
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ids2d.add(point.getX() + "_" + point.getY() + "_" + 0);
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}
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return ids2d;
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}
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/**
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* @param @param checkPoint
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* @param @param range
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* @param @return 参数
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* @return List<String> 返回类型
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* @Title: aloneCrosswiseScope
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* @Description: 单独点位横向范围扩展
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* @backup 强制将层级改为 0
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*/
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public static List<String> aloneCrosswiseExtend(MonitorPointPosition checkPoint, int range) {
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List<String> ids = new ArrayList<>();
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Integer x = checkPoint.getX();
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Integer y = checkPoint.getY();
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for (int i = x - range / 2; i <= x + range / 2; i++) {
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for (int j = y - range / 2; j <= y + range / 2; j++) {
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// ids.add(i + "_" + j + "_" + checkPoint.getZ());
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ids.add(i + "_" + j + "_" + 0);
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}
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}
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return ids;
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}
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public static List<String> temporary(MonitorPointPosition point, int range) {
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List<String> ids3d = new ArrayList<>();
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Integer x = point.getX();
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Integer y = point.getY();
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Integer z = point.getZ();
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for (int i = x - range / 2; i <= x + range / 2; i++) {
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for (int j = y - range / 2; j <= y + range / 2; j++) {
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for (int k = z; k < 100; k++) {
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ids3d.add(i + "_" + j + "_" + k);
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}
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}
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}
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return ids3d;
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}
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/**
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* 获取方向
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*/
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public static String getDir(double direction) {
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if (direction < 0) {
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direction = direction + 360;
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}
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if (direction > 360) {
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direction = direction - 360;
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}
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if (direction >= 22.5 && direction < 67.5)
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return "东北";
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if (direction >= 67.5 && direction < 112.5)
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return "东";
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if (direction >= 112.5 && direction < 157.5)
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return "东南";
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if (direction >= 157.5 && direction < 202.5)
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return "南";
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if (direction >= 202.5 && direction < 247.5)
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return "西南";
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if (direction >= 247.5 && direction < 292.5)
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return "西";
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if (direction >= 292.5 && direction < 337.5)
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return "西北";
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return "北";
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}
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/**
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* @param @return 参数
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* @return Double 返回类型
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* @throws
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* @Title: getWindSpeed
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* @Description: 计算风速
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*/
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public static Double getWindSpeed(double v, double u) {
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return Math.sqrt(v * v + u * u);
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}
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/**
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* @param @param v
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* @param @param u
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* @param @return 参数
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* @return double 返回类型
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* @throws
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* @Title: getWindDirection
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* @Description: 计算风向
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*/
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public static double getWindDirection(double v, double u) {
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double result = Math.atan(u / (v + Math.pow(10, -5))) / Math.PI * 180;
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if (result < 0) {
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result += 180;
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} else if (u < 0 && v > 0) {
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result += 360;
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}
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return result;
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}
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/**
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* @param @param list 排序对象
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* @param @param property 排序参数
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* @param @param order 排序顺序
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* @param @return 参数
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* @return List<Map < String, Object>> 返回类型
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* @throws
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* @Title: sort
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* @Description: 排序
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*/
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public static List<Map<String, Object>> sort(List<Map<String, Object>> list, final String property, final boolean order) {
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if (list == null || property == null) {
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return null;
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}
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Collections.sort(list, new Comparator<Map<String, Object>>() {
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@Override
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public int compare(Map<String, Object> o1, Map<String, Object> o2) {
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try {
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Object oo1 = o1.get(property);
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Object oo2 = o2.get(property);
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if (oo1 == null || "null".equals(oo1.toString()) || "".equals(oo1.toString()) || oo1.toString().endsWith("999")) {
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oo1 = 0;
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}
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if (oo2 == null || "null".equals(oo2.toString()) || "".equals(oo2.toString()) || oo2.toString().endsWith("999")) {
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oo2 = 0;
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}
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if (order) {
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if (Double.parseDouble(oo1.toString()) < Double.parseDouble(oo2.toString())) {
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return 1;
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}
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} else {
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if (Double.parseDouble(oo1.toString()) > Double.parseDouble(oo2.toString())) {
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return 1;
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}
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}
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if (Double.parseDouble(oo1.toString()) == Double.parseDouble(oo2.toString())) {
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return 0;
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}
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} catch (Exception ex) {
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System.out.println(ex.getMessage());
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}
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return -1;
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}
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});
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return list;
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}
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}
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