From ca85cf1077c424eb3a2bc89998ea65e53de5a7af Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=A6=82=E6=A2=A6=E6=8A=80=E6=9C=AF?= <596392912@qq.com> Date: Fri, 26 Jul 2024 12:48:56 +0800 Subject: [PATCH] =?UTF-8?q?:sparkles:=20=E6=9D=A1=E4=BB=B6=20geo=20?= =?UTF-8?q?=E5=9D=90=E6=A0=87=E8=BD=AC=E6=8D=A2?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../springblade/core/tool/geo/GeoPoint.java | 43 +++ .../springblade/core/tool/geo/GeoType.java | 132 +++++++++ .../springblade/core/tool/geo/GeoUtil.java | 261 ++++++++++++++++++ 3 files changed, 436 insertions(+) create mode 100644 blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoPoint.java create mode 100644 blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoType.java create mode 100644 blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoUtil.java diff --git a/blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoPoint.java b/blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoPoint.java new file mode 100644 index 0000000..f50d081 --- /dev/null +++ b/blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoPoint.java @@ -0,0 +1,43 @@ +package org.springblade.core.tool.geo; + +import lombok.AllArgsConstructor; +import lombok.Data; +import lombok.NoArgsConstructor; + +import java.io.Serial; +import java.io.Serializable; + +/** + * 坐标点 + * + * @author JourWon、hutool、L.cm + */ +@Data +@NoArgsConstructor +@AllArgsConstructor +public class GeoPoint implements Serializable { + @Serial + private static final long serialVersionUID = 3584864663880053897L; + + /** + * 经度 + */ + private double lon; + /** + * 纬度 + */ + private double lat; + + /** + * 当前坐标偏移指定坐标 + * + * @param offset 偏移量 + * @return this + */ + public GeoPoint offset(GeoPoint offset) { + this.lon += offset.lon; + this.lat += offset.lat; + return this; + } + +} diff --git a/blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoType.java b/blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoType.java new file mode 100644 index 0000000..63ba538 --- /dev/null +++ b/blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoType.java @@ -0,0 +1,132 @@ +/** + * Copyright (c) 2018-2028, DreamLu 卢春梦 (qq596392912@gmail.com). + *

+ * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0; + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + *

+ * http://www.gnu.org/licenses/lgpl.html + *

+ * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.springblade.core.tool.geo; + +import lombok.Getter; +import lombok.RequiredArgsConstructor; + +/** + * 各坐标系之间的转换工具类 + *

+ * 参考:coordinate-transform + *

+ * WGS84坐标系:即地球坐标系,国际上通用的坐标系。设备一般包含GPS芯片或者北斗芯片获取的经纬度为WGS84地理坐标系。 + * 谷歌地图采用的是WGS84地理坐标系(中国范围除外,谷歌中国地图采用的是GCJ02地理坐标系。) + *

+ * GCJ02坐标系:即火星坐标系,WGS84坐标系经加密后的坐标系。 + * 出于国家安全考虑,国内所有导航电子地图必须使用国家测绘局制定的加密坐标系统,即将一个真实的经纬度坐标加密成一个不正确的经纬度坐标。 + *

+ * BD09坐标系:即百度坐标系,GCJ02坐标系经加密后的坐标系。搜狗坐标系、图吧坐标系等,估计也是在GCJ02基础上加密而成的。 + *

+ * 高德MapABC地图API 火星坐标 + * 腾讯搜搜地图API 火星坐标 + * 阿里云地图API 火星坐标 + * 灵图51ditu地图API 火星坐标 + *

+ * 百度地图API 百度坐标 + * 搜狐搜狗地图API 搜狗坐标 + * 图吧MapBar地图API 图吧坐标 + * + * @author JourWon、hutool、L.cm + */ +@Getter +@RequiredArgsConstructor +public enum GeoType { + + /** + * WGS84 + */ + WGS84("WGS84", "地球坐标系,国际通用坐标系") { + @Override + public GeoPoint toWGS84(double lon, double lat) { + return new GeoPoint(lon, lat); + } + + @Override + public GeoPoint toGCJ02(double lon, double lat) { + return GeoUtil.wgs84ToGcj02(lon, lat); + } + + @Override + public GeoPoint toBD09(double lon, double lat) { + return GeoUtil.wgs84ToBd09(lon, lat); + } + }, + GCJ02("GCJ02", "火星坐标系,高德、腾讯、阿里等使用") { + @Override + public GeoPoint toWGS84(double lon, double lat) { + return GeoUtil.gcj02ToWgs84(lon, lat); + } + + @Override + public GeoPoint toGCJ02(double lon, double lat) { + return new GeoPoint(lon, lat); + } + + @Override + public GeoPoint toBD09(double lon, double lat) { + return GeoUtil.gcj02ToBd09(lon, lat); + } + }, + BD09("BD09", "百度坐标系,百度、搜狗等使用") { + @Override + public GeoPoint toWGS84(double lon, double lat) { + return GeoUtil.bd09toWgs84(lon, lat); + } + + @Override + public GeoPoint toGCJ02(double lon, double lat) { + return GeoUtil.bd09ToGcj02(lon, lat); + } + + @Override + public GeoPoint toBD09(double lon, double lat) { + return new GeoPoint(lon, lat); + } + }; + + private final String type; + private final String desc; + + /** + * 转换成 地球坐标系 + * + * @param lon lon + * @param lat lat + * @return GeoPoint + */ + public abstract GeoPoint toWGS84(double lon, double lat); + + /** + * 转换成 火星坐标系 + * + * @param lon lon + * @param lat lat + * @return GeoPoint + */ + public abstract GeoPoint toGCJ02(double lon, double lat); + + /** + * 转换成 百度坐标系 + * + * @param lon lon + * @param lat lat + * @return GeoPoint + */ + public abstract GeoPoint toBD09(double lon, double lat); + +} diff --git a/blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoUtil.java b/blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoUtil.java new file mode 100644 index 0000000..d42dc1b --- /dev/null +++ b/blade-core-tool/src/main/java/org/springblade/core/tool/geo/GeoUtil.java @@ -0,0 +1,261 @@ +package org.springblade.core.tool.geo; + +import java.text.DecimalFormat; + +/** + * 位置工具类 + * + * @author JourWon、hutool、L.cm + */ +public class GeoUtil { + /** + * 地球的半径 (m) + */ + public static final double EARTH_RADIUS = 6378137; + /** + * 圆周率π + */ + private static final double PI = 3.1415926535897932384626D; + /** + * 火星坐标系与百度坐标系转换的中间量 + */ + private static final double X_PI = 3.14159265358979324 * 3000.0 / 180.0D; + /** + * 地球半径(Krasovsky 1940) + */ + public static final double RADIUS = 6378245.0D; + /** + * 修正参数(偏率ee) + */ + public static final double CORRECTION_PARAM = 0.00669342162296594323D; + /** + * 经纬度格式化为字符串 + */ + public static final DecimalFormat FORMAT = new DecimalFormat("#.########"); + + /** + * 根据经纬度计算两点之间的距离 (m) + * + * @param lon1 位置 1 的经度 + * @param lat1 位置 1 的纬度 + * @param lon2 位置 2 的经度 + * @param lat2 位置 2 的纬度 + * @return 返回距离 + */ + public static double getDistance(double lon1, double lat1, double lon2, double lat2) { + double radLat1 = radian(lat1); + double radLat2 = radian(lat2); + double a = radLat1 - radLat2; + double b = radian(lon1) - radian(lon2); + return (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)))) + * EARTH_RADIUS; + } + + /** + * 将整数形式的经纬度转换为十进制度格式,因为部分设备采集上来的为十进制形式的坐标 + * + * @param coordinate 整数形式的经度或纬度 + * @return 十进制度格式的经纬度 + */ + public static double getGpsValue(int coordinate) { + int degrees = coordinate / (3600 * 100); + int remainder = coordinate % (3600 * 100); + int minutes = remainder / (60 * 100); + remainder = remainder % (60 * 100); + double seconds = remainder / 100.0; + // 将分和秒转换为度的小数部分 + return degrees + (minutes / 60.0) + (seconds / 3600.0); + } + + /** + * 格式化经纬度 + * + * @param value value + * @return 格式化经纬度 + */ + public static String formatGeo(double value) { + return FORMAT.format(value); + } + + /** + * 判断坐标是否在国外
+ * 火星坐标系 (GCJ-02)只对国内有效,国外无需转换 + * + * @param lng 经度 + * @param lat 纬度 + * @return 坐标是否在国外 + */ + public static boolean isOutOfChina(double lng, double lat) { + return (lng < 72.004 || lng > 137.8347) || (lat < 0.8293 || lat > 55.8271); + } + + /** + * WGS84 转换为 火星坐标系 (GCJ-02) + * + * @param lon 经度值 + * @param lat 纬度值 + * @return 火星坐标 (GCJ-02) + */ + public static GeoPoint wgs84ToGcj02(double lon, double lat) { + return new GeoPoint(lon, lat).offset(offset(lon, lat, true)); + } + + /** + * WGS84 坐标转为 百度坐标系 (BD-09) 坐标 + * + * @param lon 经度值 + * @param lat 纬度值 + * @return bd09 坐标 + */ + public static GeoPoint wgs84ToBd09(double lon, double lat) { + final GeoPoint gcj02 = wgs84ToGcj02(lon, lat); + return gcj02ToBd09(gcj02.getLon(), gcj02.getLat()); + } + + /** + * 火星坐标系 (GCJ-02) 转换为 WGS84 + * + * @param lon 经度坐标 + * @param lat 纬度坐标 + * @return WGS84 坐标 + */ + public static GeoPoint gcj02ToWgs84(double lon, double lat) { + return new GeoPoint(lon, lat).offset(offset(lon, lat, false)); + } + + /** + * 火星坐标系 (GCJ-02) 与百度坐标系 (BD-09) 的转换 + * + * @param lon 经度值 + * @param lat 纬度值 + * @return BD-09 坐标 + */ + public static GeoPoint gcj02ToBd09(double lon, double lat) { + double z = Math.sqrt(lon * lon + lat * lat) + 0.00002 * Math.sin(lat * X_PI); + double theta = Math.atan2(lat, lon) + 0.000003 * Math.cos(lon * X_PI); + double bd_lng = z * Math.cos(theta) + 0.0065; + double bd_lat = z * Math.sin(theta) + 0.006; + return new GeoPoint(bd_lng, bd_lat); + } + + /** + * 百度坐标系 (BD-09) 与 火星坐标系 (GCJ-02)的转换 + * 即 百度 转 谷歌、高德 + * + * @param lon 经度值 + * @param lat 纬度值 + * @return GCJ-02 坐标 + */ + public static GeoPoint bd09ToGcj02(double lon, double lat) { + double x = lon - 0.0065; + double y = lat - 0.006; + double z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * X_PI); + double theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * X_PI); + double gg_lon = z * Math.cos(theta); + double gg_lat = z * Math.sin(theta); + return new GeoPoint(gg_lon, gg_lat); + } + + /** + * 百度坐标系 (BD-09) 与 WGS84 的转换 + * + * @param lon 经度值 + * @param lat 纬度值 + * @return WGS84坐标 + */ + public static GeoPoint bd09toWgs84(double lon, double lat) { + final GeoPoint gcj02 = bd09ToGcj02(lon, lat); + return gcj02ToWgs84(gcj02.getLon(), gcj02.getLat()); + } + + /** + * WGS84 坐标转为 墨卡托投影 + * + * @param lon 经度值 + * @param lat 纬度值 + * @return 墨卡托投影 + */ + public static GeoPoint wgs84ToMercator(double lon, double lat) { + double x = lon * 20037508.342789244 / 180; + double y = Math.log(Math.tan((90 + lat) * PI / 360)) / (PI / 180); + y = y * 20037508.342789244 / 180; + return new GeoPoint(x, y); + } + + /** + * 墨卡托投影 转为 WGS84 坐标 + * + * @param mercatorX 墨卡托X坐标 + * @param mercatorY 墨卡托Y坐标 + * @return WGS84 坐标 + */ + public static GeoPoint mercatorToWgs84(double mercatorX, double mercatorY) { + double x = mercatorX / 20037508.342789244 * 180; + double y = mercatorY / 20037508.342789244 * 180; + y = 180 / PI * (2 * Math.atan(Math.exp(y * PI / 180)) - PI / 2); + return new GeoPoint(x, y); + } + + /** + * WGS84 与 火星坐标系 (GCJ-02)转换的偏移算法(非精确) + * + * @param lon 经度值 + * @param lat 纬度值 + * @param isPlus 是否正向偏移:WGS84转GCJ-02使用正向,否则使用反向 + * @return 偏移坐标 + */ + private static GeoPoint offset(double lon, double lat, boolean isPlus) { + double dlon = transLon(lon - 105.0, lat - 35.0); + double dlat = transLat(lon - 105.0, lat - 35.0); + + double magic = Math.sin(lat / 180.0 * PI); + magic = 1 - CORRECTION_PARAM * magic * magic; + final double sqrtMagic = Math.sqrt(magic); + + dlon = (dlon * 180.0) / (RADIUS / sqrtMagic * Math.cos(lat / 180.0 * PI) * PI); + dlat = (dlat * 180.0) / ((RADIUS * (1 - CORRECTION_PARAM)) / (magic * sqrtMagic) * PI); + + if (isPlus) { + return new GeoPoint(dlon, dlat); + } else { + return new GeoPoint(-dlon, -dlat); + } + } + + /** + * 计算经度坐标 + * + * @param lon 经度坐标 + * @param lat 纬度坐标 + * @return ret 计算完成后的 + */ + private static double transLon(double lon, double lat) { + double ret = 300.0 + lon + 2.0 * lat + 0.1 * lon * lon + 0.1 * lon * lat + 0.1 * Math.sqrt(Math.abs(lon)); + ret += (20.0 * Math.sin(6.0 * lon * PI) + 20.0 * Math.sin(2.0 * lon * PI)) * 2.0 / 3.0; + ret += (20.0 * Math.sin(lon * PI) + 40.0 * Math.sin(lon / 3.0 * PI)) * 2.0 / 3.0; + ret += (150.0 * Math.sin(lon / 12.0 * PI) + 300.0 * Math.sin(lon / 30.0 * PI)) * 2.0 / 3.0; + return ret; + } + + /** + * 计算纬度坐标 + * + * @param lon 经度 + * @param lat 纬度 + * @return ret 计算完成后的 + */ + private static double transLat(double lon, double lat) { + double ret = -100.0 + 2.0 * lon + 3.0 * lat + 0.2 * lat * lat + 0.1 * lon * lat + + 0.2 * Math.sqrt(Math.abs(lon)); + ret += (20.0 * Math.sin(6.0 * lon * PI) + 20.0 * Math.sin(2.0 * lon * PI)) * 2.0 / 3.0; + ret += (20.0 * Math.sin(lat * PI) + 40.0 * Math.sin(lat / 3.0 * PI)) * 2.0 / 3.0; + ret += (160.0 * Math.sin(lat / 12.0 * PI) + 320 * Math.sin(lat * PI / 30.0)) * 2.0 / 3.0; + return ret; + } + + private static double radian(double d) { + return d * PI / 180.0; + } + +}