From b546994ced2db809d4efe9a7a338892c4df27e75 Mon Sep 17 00:00:00 2001
From: 13693261870 <252740454@qq.com>
Date: 星期五, 16 六月 2023 17:43:47 +0800
Subject: [PATCH] 1
---
src/main/java/com/yssh/utils/CalculateUtils.java | 84 ++++++++++++++++++++++++++++++++++++++++++
1 files changed, 84 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/yssh/utils/CalculateUtils.java b/src/main/java/com/yssh/utils/CalculateUtils.java
index 4f494c3..45193a1 100644
--- a/src/main/java/com/yssh/utils/CalculateUtils.java
+++ b/src/main/java/com/yssh/utils/CalculateUtils.java
@@ -1,12 +1,95 @@
package com.yssh.utils;
+import java.text.SimpleDateFormat;
import java.util.*;
import com.yssh.entity.MonitorPointPosition;
+import org.geotools.geometry.DirectPosition2D;
+import org.geotools.referencing.CRS;
+import org.geotools.referencing.GeodeticCalculator;
+import org.geotools.referencing.crs.DefaultGeographicCRS;
+import org.opengis.referencing.crs.CoordinateReferenceSystem;
public class CalculateUtils {
+ private final static SimpleDateFormat ymdh = new SimpleDateFormat("yyyyMMddHH");
/**
+ * 鑾峰彇骞存湀鏃ユ椂
+ */
+ public static String getYearMonthDayHour(Date date) {
+ return ymdh.format(date);
+ }
+
+ /**
+ * 榛樿鍦扮悆鍗婂緞,璧ら亾鍗婂緞(鍗曚綅m)
+ */
+ private final static double EARTH_RADIUS1 = 6371000;
+
+ /**
+ * 杞寲涓哄姬搴�(rad)
+ */
+ private static double rad(double d)
+ {
+ return d * Math.PI / 180.0;
+ }
+
+ /**
+ * 璁＄畻璺濈1
+ */
+ public static double getDistance1(double lon1, double lat1, double lon2, double lat2) {
+ double radLat1 = rad(lat1);
+ double radLat2 = rad(lat2);
+ double a = radLat1 - radLat2;
+ double b = rad(lon1) - rad(lon2);
+ 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)));
+
+ s = s * EARTH_RADIUS1;
+
+ return Math.round(s * 100) / 100;
+ }
+
+ /**
+ * 璁＄畻璺濈2
+ */
+ public static double getDistance2(double x1, double y1, double x2, double y2) {
+ // 84鍧愭爣绯绘瀯閫燝eodeticCalculator
+ GeodeticCalculator geodeticCalculator = new GeodeticCalculator(DefaultGeographicCRS.WGS84);
+
+ // 璧风偣缁忕含搴�
+ geodeticCalculator.setStartingGeographicPoint(x1, y1);
+
+ // 鏈偣缁忕含搴�
+ geodeticCalculator.setDestinationGeographicPoint(x2, y2);
+
+ // 璁＄畻璺濈锛屽崟浣嶏細绫�
+ double distance = geodeticCalculator.getOrthodromicDistance();
+
+ return Math.round(distance * 100) / 100;
+ }
+
+ /**
+ * 璁＄畻瑙掑害
+ */
+ public static double getAngle(double x1, double y1, double x2, double y2) {
+ try {
+ CoordinateReferenceSystem crs = CRS.decode("EPSG:4326");
+ DirectPosition2D p1 = new DirectPosition2D(crs, x1, y1);
+ DirectPosition2D p2 = new DirectPosition2D(crs, x2, y2);
+
+ GeodeticCalculator gc = new GeodeticCalculator();
+ gc.setStartingGeographicPoint(p1);
+ gc.setDestinationGeographicPoint(p2);
+
+ double angle = gc.getAzimuth();
+
+ return Math.round(angle * 100) / 100;
+ } catch (Exception ex) {
+ return 0;
+ }
+ }
+
+ /**
+ * 璁＄畻缁忓害
* @param @param x
* @param @param y
* @param @return 鍙傛暟
@@ -24,6 +107,7 @@
}
/**
+ * 璁＄畻缁村害
* @param @param x
* @param @param y
* @param @return 鍙傛暟
--
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