From 60b3e6e819726a3470bf2b2eac358a538689b3e0 Mon Sep 17 00:00:00 2001
From: ZhuDongming <773644075@qq.com>
Date: Mon, 19 Aug 2019 16:57:29 +0800
Subject: [PATCH] 修改地图坐标WGS-84转BD-09
---
src/main/webapp/view/uavTrajectory.jsp | 143 +++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 141 insertions(+), 2 deletions(-)
diff --git a/src/main/webapp/view/uavTrajectory.jsp b/src/main/webapp/view/uavTrajectory.jsp
index e110ffe..94f69a1 100644
--- a/src/main/webapp/view/uavTrajectory.jsp
+++ b/src/main/webapp/view/uavTrajectory.jsp
@@ -120,6 +120,133 @@
minZoom: 12,
maxZoom: 20
};*/
+ var GPS = {
+ PI: 3.14159265358979324,
+ x_pi: 3.14159265358979324 * 3000.0 / 180.0,
+ delta: function (lat, lon) {
+ var a = 6378245.0; // a: ������������������������������������������������������������������
+ var ee = 0.00669342162296594323; // ee: ���������������������
+ var dLat = this.transformLat(lon - 105.0, lat - 35.0);
+ var dLon = this.transformLon(lon - 105.0, lat - 35.0);
+ var radLat = lat / 180.0 * this.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) * this.PI);
+ dLon = (dLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * this.PI);
+ return {'lat': dLat, 'lon': dLon};
+ },
+
+ //WGS-84 to GCJ-02
+ gcj_encrypt: function (wgsLat, wgsLon) {
+ if (this.outOfChina(wgsLat, wgsLon))
+ return {'lat': wgsLat, 'lon': wgsLon};
+
+ var d = this.delta(wgsLat, wgsLon);
+ return {'lat': wgsLat + d.lat, 'lon': wgsLon + d.lon};
+ },
+ //GCJ-02 to WGS-84
+ gcj_decrypt: function (gcjLat, gcjLon) {
+ if (this.outOfChina(gcjLat, gcjLon))
+ return {'lat': gcjLat, 'lon': gcjLon};
+
+ var d = this.delta(gcjLat, gcjLon);
+ return {'lat': gcjLat - d.lat, 'lon': gcjLon - d.lon};
+ },
+ //GCJ-02 to WGS-84 exactly
+ gcj_decrypt_exact: function (gcjLat, gcjLon) {
+ var initDelta = 0.01;
+ var threshold = 0.000000001;
+ var dLat = initDelta, dLon = initDelta;
+ var mLat = gcjLat - dLat, mLon = gcjLon - dLon;
+ var pLat = gcjLat + dLat, pLon = gcjLon + dLon;
+ var wgsLat, wgsLon, i = 0;
+ while (1) {
+ wgsLat = (mLat + pLat) / 2;
+ wgsLon = (mLon + pLon) / 2;
+ var tmp = this.gcj_encrypt(wgsLat, wgsLon)
+ dLat = tmp.lat - gcjLat;
+ dLon = tmp.lon - gcjLon;
+ if ((Math.abs(dLat) < threshold) && (Math.abs(dLon) < threshold))
+ break;
+
+ if (dLat > 0) pLat = wgsLat; else mLat = wgsLat;
+ if (dLon > 0) pLon = wgsLon; else mLon = wgsLon;
+
+ if (++i > 10000) break;
+ }
+ //console.log(i);
+ return {'lat': wgsLat, 'lon': wgsLon};
+ },
+ //GCJ-02 to BD-09
+ bd_encrypt: function (gcjLat, gcjLon) {
+ var x = gcjLon, y = gcjLat;
+ var z = Math.sqrt(x * x + y * y) + 0.00002 * Math.sin(y * this.x_pi);
+ var theta = Math.atan2(y, x) + 0.000003 * Math.cos(x * this.x_pi);
+ bdLon = z * Math.cos(theta) + 0.0065;
+ bdLat = z * Math.sin(theta) + 0.006;
+ return {'lat': bdLat, 'lon': bdLon};
+ },
+ //BD-09 to GCJ-02
+ bd_decrypt: function (bdLat, bdLon) {
+ var x = bdLon - 0.0065, y = bdLat - 0.006;
+ var z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * this.x_pi);
+ var theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * this.x_pi);
+ var gcjLon = z * Math.cos(theta);
+ var gcjLat = z * Math.sin(theta);
+ return {'lat': gcjLat, 'lon': gcjLon};
+ },
+ //WGS-84 to Web mercator
+ //mercatorLat -> y mercatorLon -> x
+ mercator_encrypt: function (wgsLat, wgsLon) {
+ var x = wgsLon * 20037508.34 / 180.;
+ var y = Math.log(Math.tan((90. + wgsLat) * this.PI / 360.)) / (this.PI / 180.);
+ y = y * 20037508.34 / 180.;
+ return {'lat': y, 'lon': x};
+ },
+ // Web mercator to WGS-84
+ // mercatorLat -> y mercatorLon -> x
+ mercator_decrypt: function (mercatorLat, mercatorLon) {
+ var x = mercatorLon / 20037508.34 * 180.;
+ var y = mercatorLat / 20037508.34 * 180.;
+ y = 180 / this.PI * (2 * Math.atan(Math.exp(y * this.PI / 180.)) - this.PI / 2);
+ return {'lat': y, 'lon': x};
+ },
+ // two point's distance
+ distance: function (latA, lonA, latB, lonB) {
+ var earthR = 6371000.;
+ var x = Math.cos(latA * this.PI / 180.) * Math.cos(latB * this.PI / 180.) * Math.cos((lonA - lonB) * this.PI / 180);
+ var y = Math.sin(latA * this.PI / 180.) * Math.sin(latB * this.PI / 180.);
+ var s = x + y;
+ if (s > 1) s = 1;
+ if (s < -1) s = -1;
+ var alpha = Math.acos(s);
+ var distance = alpha * earthR;
+ return distance;
+ },
+ outOfChina: function (lat, lon) {
+ if (lon < 72.004 || lon > 137.8347)
+ return true;
+ if (lat < 0.8293 || lat > 55.8271)
+ return true;
+ return false;
+ },
+ transformLat: function (x, y) {
+ var 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 * this.PI) + 20.0 * Math.sin(2.0 * x * this.PI)) * 2.0 / 3.0;
+ ret += (20.0 * Math.sin(y * this.PI) + 40.0 * Math.sin(y / 3.0 * this.PI)) * 2.0 / 3.0;
+ ret += (160.0 * Math.sin(y / 12.0 * this.PI) + 320 * Math.sin(y * this.PI / 30.0)) * 2.0 / 3.0;
+ return ret;
+ },
+ transformLon: function (x, y) {
+ var 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 * this.PI) + 20.0 * Math.sin(2.0 * x * this.PI)) * 2.0 / 3.0;
+ ret += (20.0 * Math.sin(x * this.PI) + 40.0 * Math.sin(x / 3.0 * this.PI)) * 2.0 / 3.0;
+ ret += (150.0 * Math.sin(x / 12.0 * this.PI) + 300.0 * Math.sin(x / 30.0 * this.PI)) * 2.0 / 3.0;
+ return ret;
+ }
+ };
+
var mapStyle = {
features: ["road", "building", "water", "land"], // ������������������poi
style: "normal" // ������������������������������
@@ -151,7 +278,13 @@
if (typeof (value.������) == "undefined") {
showNoFlightTrajectory();
} else {
- trackPoints.push(new BMap.Point(value.������.substr(0, value.������.length - 1), value.������.substr(0, value.������.length - 1)));
+ var lon = parseFloat(value.������.substr(0, value.������.length - 1));
+ var lat = parseFloat(value.������.substr(0, value.������.length - 1));
+ var lon1 = GPS.gcj_encrypt(lat, lon).lon;
+ var lat1 = GPS.gcj_encrypt(lat, lon).lat;
+ var lon2 = GPS.bd_encrypt(lat1, lon1).lon;
+ var lat2 = GPS.bd_encrypt(lat1, lon1).lat;
+ trackPoints.push(new BMap.Point(lon2, lat2));
}
})
for (var i = 0; i < trackPoints.length; i++) {
@@ -308,7 +441,13 @@
if (list.indexOf(e.id) == -1) {
list.push(e.id);
}
- var point = new BMap.Point(sensorInfo[e.id].������.substr(0, sensorInfo[e.id].������.length - 1), sensorInfo[e.id].������.substr(0, sensorInfo[e.id].������.length - 1));
+ var lona = parseFloat(sensorInfo[e.id].������.substr(0, sensorInfo[e.id].������.length - 1));
+ var lata = parseFloat(sensorInfo[e.id].������.substr(0, sensorInfo[e.id].������.length - 1));
+ var lona1 = GPS.gcj_encrypt(lata, lona).lon;
+ var lata1 = GPS.gcj_encrypt(lata, lona).lat;
+ var lona2 = GPS.bd_encrypt(lata1, lona1).lon;
+ var lata2 = GPS.bd_encrypt(lata1, lata1).lat;
+ var point = new BMap.Point(lona2, lata2);
var monitorDataCoincide = monitorDataSort(sensorInfo[e.id], monitorData, monitorParameters);
var flyingDataCoincide = flyingDataSort(sensorInfo[e.id], flyingData, flyingParameters);
var winfowText1 =
--
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