From bcde6ad5fae9f18e0892bafca367e7e57ddfc6b7 Mon Sep 17 00:00:00 2001 From: wanggeng <450292408@qq.com> Date: Fri, 31 Dec 2021 10:38:37 +0800 Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=9C=B0=E5=9B=BE=E5=9D=90?= =?UTF-8?q?=E6=A0=87=E8=BD=AC=E6=8D=A2=E5=B7=A5=E5=85=B7?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../ink/wgink/util/LatLngTransformUtil.java | 174 ++++++++++++++++++ .../static/super-map/js/coordtransform.js | 156 ++++++++++++++++ .../super-map/js/super-map-1.0.0.min.js | 2 +- 3 files changed, 331 insertions(+), 1 deletion(-) create mode 100644 basic-util/src/main/java/ink/wgink/util/LatLngTransformUtil.java create mode 100644 module-map/src/main/resources/static/super-map/js/coordtransform.js diff --git a/basic-util/src/main/java/ink/wgink/util/LatLngTransformUtil.java b/basic-util/src/main/java/ink/wgink/util/LatLngTransformUtil.java new file mode 100644 index 00000000..e17e287e --- /dev/null +++ b/basic-util/src/main/java/ink/wgink/util/LatLngTransformUtil.java @@ -0,0 +1,174 @@ +package ink.wgink.util; + +/** + * @ClassName: LatLngTransformUtil + * @Description: 经纬度转换 + * @Author: wanggeng + * @Date: 2021/12/30 2:14 PM + * @Version: 1.0 + */ +public class LatLngTransformUtil { + + public static double pi = 3.1415926535897932384626; + public static double x_pi = 3.14159265358979324 * 3000.0 / 180.0; + // 长半轴 + public static double a = 6378245.0; + // 离心率 + public static double ee = 0.00669342162296594323; + + public static double transformLat(double x, double y) { + double ret = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y + 0.2 * Math.sqrt(Math.abs(x)); + ret += (20.0 * Math.sin(6.0 * x * pi) + 20.0 * Math.sin(2.0 * x * pi)) * 2.0 / 3.0; + ret += (20.0 * Math.sin(y * pi) + 40.0 * Math.sin(y / 3.0 * pi)) * 2.0 / 3.0; + ret += (160.0 * Math.sin(y / 12.0 * pi) + 320 * Math.sin(y * pi / 30.0)) * 2.0 / 3.0; + return ret; + } + + public static double transformLon(double x, double y) { + double ret = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1 * Math.sqrt(Math.abs(x)); + ret += (20.0 * Math.sin(6.0 * x * pi) + 20.0 * Math.sin(2.0 * x * pi)) * 2.0 / 3.0; + ret += (20.0 * Math.sin(x * pi) + 40.0 * Math.sin(x / 3.0 * pi)) * 2.0 / 3.0; + ret += (150.0 * Math.sin(x / 12.0 * pi) + 300.0 * Math.sin(x / 30.0 * pi)) * 2.0 / 3.0; + return ret; + } + + public static double[] transform(double lat, double lon) { + if (outOfChina(lat, lon)) { + return new double[]{lat, lon}; + } + double dLat = transformLat(lon - 105.0, lat - 35.0); + double dLon = transformLon(lon - 105.0, lat - 35.0); + double radLat = lat / 180.0 * pi; + double magic = Math.sin(radLat); + magic = 1 - ee * magic * magic; + double sqrtMagic = Math.sqrt(magic); + dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * pi); + dLon = (dLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * pi); + double mgLat = lat + dLat; + double mgLon = lon + dLon; + return new double[]{mgLat, mgLon}; + } + + /** + * 判断是否在中国 + * + * @param lat + * @param lon + * @return + */ + public static boolean outOfChina(double lat, double lon) { + if (lon < 72.004 || lon > 137.8347) + return true; + if (lat < 0.8293 || lat > 55.8271) + return true; + return false; + } + + /** + * 84 ==》 高德 + * + * @param lat + * @param lon + * @return + */ + public static double[] gps84_To_Gcj02(double lat, double lon) { + if (outOfChina(lat, lon)) { + return new double[]{lat, lon}; + } + double dLat = transformLat(lon - 105.0, lat - 35.0); + double dLon = transformLon(lon - 105.0, lat - 35.0); + double radLat = lat / 180.0 * pi; + double magic = Math.sin(radLat); + magic = 1 - ee * magic * magic; + double sqrtMagic = Math.sqrt(magic); + dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * pi); + dLon = (dLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * pi); + double mgLat = lat + dLat; + double mgLon = lon + dLon; + return new double[]{mgLat, mgLon}; + } + + /** + * 高德 ==》 84 + * + * @param lon * @param lat * @return + */ + public static double[] gcj02_To_Gps84(double lat, double lon) { + double[] gps = transform(lat, lon); + double lontitude = lon * 2 - gps[1]; + double latitude = lat * 2 - gps[0]; + return new double[]{latitude, lontitude}; + } + + /** + * 高德 == 》 百度 + * + * @param lat + * @param lon + */ + public static double[] gcj02_To_Bd09(double lat, double lon) { + double x = lon, y = lat; + 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 tempLon = z * Math.cos(theta) + 0.0065; + double tempLat = z * Math.sin(theta) + 0.006; + double[] gps = {tempLat, tempLon}; + return gps; + } + + /** + * 百度 == 》 高德 + * + * @param lat + * @param lon + */ + public static double[] bd09_To_Gcj02(double lat, double lon) { + double x = lon - 0.0065, 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 tempLon = z * Math.cos(theta); + double tempLat = z * Math.sin(theta); + double[] gps = {tempLat, tempLon}; + return gps; + } + + /** + * 84 == 》 百度 + * + * @param lat + * @param lon + * @return + */ + public static double[] gps84_To_bd09(double lat, double lon) { + double[] gcj02 = gps84_To_Gcj02(lat, lon); + double[] bd09 = gcj02_To_Bd09(gcj02[0], gcj02[1]); + return bd09; + } + + /** + * 百度 == 》 84 + * + * @param lat + * @param lon + * @return + */ + public static double[] bd09_To_gps84(double lat, double lon) { + double[] gcj02 = bd09_To_Gcj02(lat, lon); + double[] gps84 = gcj02_To_Gps84(gcj02[0], gcj02[1]); + //保留小数点后六位 + gps84[0] = retain6(gps84[0]); + gps84[1] = retain6(gps84[1]); + return gps84; + } + + /* + * 保留小数点后六位 + * @param num + * @return + */ + private static double retain6(double num) { + String result = String.format("%.16f", num); + return Double.valueOf(result); + } + +} diff --git a/module-map/src/main/resources/static/super-map/js/coordtransform.js b/module-map/src/main/resources/static/super-map/js/coordtransform.js new file mode 100644 index 00000000..782d0a07 --- /dev/null +++ b/module-map/src/main/resources/static/super-map/js/coordtransform.js @@ -0,0 +1,156 @@ +/** + * Created by Wandergis on 2015/7/8. + * 提供了百度坐标（BD09）、国测局坐标（火星坐标，GCJ02）、和WGS84坐标系之间的转换 + */ +// UMD魔法代码 +// if the module has no dependencies, the above pattern can be simplified to +(function (root, factory) { + if (typeof define === 'function' && define.amd) { + // AMD. Register as an anonymous module. + define([], factory); + } else if (typeof module === 'object' && module.exports) { + // Node. Does not work with strict CommonJS, but + // only CommonJS-like environments that support module.exports, + // like Node. + module.exports = factory(); + } else { + // Browser globals (root is window) + root.coordtransform = factory(); + } +}(this, function () { + // 定义一些常量 + var x_PI = 3.14159265358979324 * 3000.0 / 180.0; + var PI = 3.1415926535897932384626; + var a = 6378245.0; + var ee = 0.00669342162296594323; + /** + * 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 bd_lon + * @param bd_lat + * @returns {*[]} + */ + var bd09togcj02 = function bd09togcj02(bd_lon, bd_lat) { + var bd_lon = +bd_lon; + var bd_lat = +bd_lat; + var x = bd_lon - 0.0065; + var y = bd_lat - 0.006; + var z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * x_PI); + var theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * x_PI); + var gg_lng = z * Math.cos(theta); + var gg_lat = z * Math.sin(theta); + return [gg_lng, gg_lat] + }; + + /** + * 火星坐标系 (GCJ-02) 与百度坐标系 (BD-09) 的转换 即谷歌、高德 转 百度 + * + * @param lng + * @param lat + * @returns {*[]} + */ + var gcj02tobd09 = function gcj02tobd09(lng, lat) { + var lat = +lat; + var lng = +lng; + var z = Math.sqrt(lng * lng + lat * lat) + 0.00002 * Math.sin(lat * x_PI); + var theta = Math.atan2(lat, lng) + 0.000003 * Math.cos(lng * x_PI); + var bd_lng = z * Math.cos(theta) + 0.0065; + var bd_lat = z * Math.sin(theta) + 0.006; + return [bd_lng, bd_lat] + }; + + /** + * WGS84转GCj02 + * + * @param lng + * @param lat + * @returns {*[]} + */ + var wgs84togcj02 = function wgs84togcj02(lng, lat) { + var lat = +lat; + var lng = +lng; + if (out_of_china(lng, lat)) { + return [lng, lat] + } else { + var dlat = transformlat(lng - 105.0, lat - 35.0); + var dlng = transformlng(lng - 105.0, lat - 35.0); + var radlat = lat / 180.0 * PI; + var magic = Math.sin(radlat); + magic = 1 - ee * magic * magic; + var sqrtmagic = Math.sqrt(magic); + dlat = (dlat * 180.0) / ((a * (1 - ee)) / (magic * sqrtmagic) * PI); + dlng = (dlng * 180.0) / (a / sqrtmagic * Math.cos(radlat) * PI); + var mglat = lat + dlat; + var mglng = lng + dlng; + return [mglng, mglat] + } + }; + + /** + * GCJ02 转换为 WGS84 + * + * @param lng + * @param lat + * @returns {*[]} + */ + var gcj02towgs84 = function gcj02towgs84(lng, lat) { + var lat = +lat; + var lng = +lng; + if (out_of_china(lng, lat)) { + return [lng, lat] + } else { + var dlat = transformlat(lng - 105.0, lat - 35.0); + var dlng = transformlng(lng - 105.0, lat - 35.0); + var radlat = lat / 180.0 * PI; + var magic = Math.sin(radlat); + magic = 1 - ee * magic * magic; + var sqrtmagic = Math.sqrt(magic); + dlat = (dlat * 180.0) / ((a * (1 - ee)) / (magic * sqrtmagic) * PI); + dlng = (dlng * 180.0) / (a / sqrtmagic * Math.cos(radlat) * PI); + var mglat = lat + dlat; + var mglng = lng + dlng; + return [lng * 2 - mglng, lat * 2 - mglat] + } + }; + + var transformlat = function transformlat(lng, lat) { + var lat = +lat; + var lng = +lng; + var ret = -100.0 + 2.0 * lng + 3.0 * lat + 0.2 * lat * lat + 0.1 * lng * lat + 0.2 * Math.sqrt(Math.abs(lng)); + ret += (20.0 * Math.sin(6.0 * lng * PI) + 20.0 * Math.sin(2.0 * lng * 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 + }; + + var transformlng = function transformlng(lng, lat) { + var lat = +lat; + var lng = +lng; + var ret = 300.0 + lng + 2.0 * lat + 0.1 * lng * lng + 0.1 * lng * lat + 0.1 * Math.sqrt(Math.abs(lng)); + ret += (20.0 * Math.sin(6.0 * lng * PI) + 20.0 * Math.sin(2.0 * lng * PI)) * 2.0 / 3.0; + ret += (20.0 * Math.sin(lng * PI) + 40.0 * Math.sin(lng / 3.0 * PI)) * 2.0 / 3.0; + ret += (150.0 * Math.sin(lng / 12.0 * PI) + 300.0 * Math.sin(lng / 30.0 * PI)) * 2.0 / 3.0; + return ret + }; + + /** + * 判断是否在国内，不在国内则不做偏移 + * + * @param lng + * @param lat + * @returns {boolean} + */ + var out_of_china = function out_of_china(lng, lat) { + var lat = +lat; + var lng = +lng; + // 纬度3.86~53.55,经度73.66~135.05 + return !(lng > 73.66 && lng < 135.05 && lat > 3.86 && lat < 53.55); + }; + + return { + bd09togcj02: bd09togcj02, + gcj02tobd09: gcj02tobd09, + wgs84togcj02: wgs84togcj02, + gcj02towgs84: gcj02towgs84 + } +})); diff --git a/module-map/src/main/resources/static/super-map/js/super-map-1.0.0.min.js b/module-map/src/main/resources/static/super-map/js/super-map-1.0.0.min.js index 650fa4ab..fe466907 100644 --- a/module-map/src/main/resources/static/super-map/js/super-map-1.0.0.min.js +++ b/module-map/src/main/resources/static/super-map/js/super-map-1.0.0.min.js @@ -3,7 +3,7 @@ function SuperMap(mapContainerId, mapBox, options) { this.mapBox = mapBox; this.map = L.map(mapContainerId, { - crs: options.crs ? options.crs : L.CRS.EPSG3857, + crs: options.crs ? options.crs : L.CRS.EPSG4326, center: options.center ? options.center : {lat: 0, lon: 0}, maxZoom: options.maxZoom ? options.maxZoom : 18, zoom: options.zoom ? options.zoom : 6,