geocode latitude longitude

=-D11 * a * (1-E * E)/6;Fe = E11 * a * (1-E * E)/8;Fg =-F11 * a * (1-E * E)/10; C [0] = fa;C [1] =-(FB * 2 + FC * 4 + FD * 6 );C [2] = (FC * 8 + FD * 32 );C [3] =-FD * 32;/*************************************** *******54 coordinate system computation result have difference fromThe known value; but I don't find fault.Known: CO 6367558.49686C1 1, 32005.79642C2. 133.86115C3 1, 0.7031Compute:Co 1, 6367558.4968746C1 1, 32005.780305529C2. 133.9203503C3 1, 0.7041**************************************

Baidu Map location Search and mouse click Place to get latitude and longitude, these are the map comparison of basic: as followsCode section:Baidu Map location Search and mouse click Place to get latitude and longitude

PHP address lookup returns latitude and longitude Baidu API /** * Baidu Maps query the longitude and latitude based on the address */ Public function search_xy (){ $ Address = str_replace ('','', $ address ); $ Rows = file_get_contents ("http://api.map.baidu.com/geocoder/v2? Ak = xxxxxxxxxxxxxx callback = rende

How to store Google Maps longitude latitude is better Title ------Solution-------------------- Two fields ------Solution-------------------- I used to use two characters Gencun, one longitude, one latitude. ------Solution-------------------- You can try the JSON PHP Code $coord = Array ( 0=>array ( "x"

You can use some online services in the network to calculate the time of the longitude and latitude. The api address and format are as follows: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Http://www.earthtools.org/timezone/40.71417/-74.00639 Return Value: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--

Php obtains all information (such as address, zip code, country, and latitude and longitude) of a specified IP address. This example describes how to obtain all the information (such as address, zip code, country, and latitude and longitude) of a specified IP Address by using php. Share it with you for your reference.

Copy the Code code as follows: /*** Calculate distance between two points* @param _lat1-start Latitude* @param _lon1-start Longitude* @param _lat2-end Latitude* @param _lon2-end Longitude* @return km (rounded)*/public static double Getdistance (double _lat1,double _lon1, double _lat2,double _lon2) {Double LAT1 = (math

()); inetaddressinetaddress=inetaddress.getbyname ("218.28.2.111"); //system.out.println (Cl.getLocation ( inetaddress)); system.out.println ( Cl.getlocation (inetaddress). CountryCode); system.out.println (Cl.getlocation (inetaddress). Area_code); system.out.println ( Cl.getlocation (inetaddress); System.out.println (Cl.getlocation (inetaddress). Region); system.out.println (Cl.getlocation (inetaddress) dma_code); system.out.println (Cl.getlocation ("218.28.2.111").

Wx.getlocation ({ type: 'wgs84', // 默认为wgs84的gps坐标，如果要返回直接给openLocation用的火星坐标，可传入'gcj02' success: function (res) { var latitude = res.latitude; // 纬度，浮点数，范围为90 ~ -90 var longitude = res.longitude; // 经度，浮点数，范围为180 ~ -180。 var speed = res.speed; // 速度，以米/每秒计 var accuracy = res.accuracy; // 位置精度 $.ajax({ url:"{:U('home/Share/index')}", d

This article describes how to obtain all the information (such as the address, zip code, country, and latitude and longitude) of a specified IP address in php, it is very simple and practical to use an API call to query visitor information. For more information, see the example in this article) all IP information (address, zip code, country, latitude and

PHP queries nearby locations based on a given latitude and longitude point The implementation principle first calculates the four points of the rectangle around the point, and then uses the longitude and latitude to directly match the records in the database. // Obtain the surrounding coordinates

14 lines of PHP code to obtain the client IP address longitude and latitude and city $ GetIp = $ _ SERVER ["REMOTE_ADDR"]; Echo 'IP: ', $ getIp; Echo''; $ Content = file_get_contents ("http://api.map.baidu.com/location/ip? Ak = 7iz6fggegohcrrkue94254tsq ip ={$ getIp} coor = bd09ll "); $ Json = json_decode ($ content ); Echo 'log: ', $ json-

When doing the project, encountered the location to obtain the corresponding latitude and longitude in the map, make notes, for future direct usePackage Com.hpzx.data;import Java.io.bufferedreader;import Java.io.ioexception;import java.io.InputStreamReader; Import Java.io.unsupportedencodingexception;import Java.net.malformedurlexception;import Java.net.URL;import Java.net.urlconnection;import com.hpzx.json

); Setcontentview (R.layout.activity_main); Mlocationclient = new Locationclient (Getapplicationcontext ());//Declaration Locationclient Class Mlocationclient.registerlocation Listener (MyListener);//Register the Listener function locationclientoption option = new Locationclientoption ();//Set Request parameters Option.setlo Cationmode (LocationClientOption.LocationMode.Hight_Accuracy);//Set positioning mode Option.setcoortype ("Bd09ll");// The returned positioning result is Baidu

Latitude Longpolling longitude Calculate the two-point distance function based on the longitude and latitude in the Google Maps script. Private const double earth_radius = 6378.137;Private Static double rad (double D){Return D * Math. PI/180.0;} Public static double getdistance (double LAT1, double lng1, double LAT

Because of the Baidu map service, a longitude and latitude are required for map initialization, but the scheme for obtaining a city Longitude Latitude is not displayed.

1. [Code] Get client IP address latitude and longitude city? 12345678910111213 $getIp=$_SERVER["REMOTE_ADDR"];echo ‘IP:‘,$getIp;echo ‘;$content = file_get_contents("http://api.map.baidu.com/location/ip?ak=7IZ6fgGEGohCrRKUE9Rj4TSQip={$getIp}coor=bd09ll");$json = json_decode($content);echo ‘log:‘,$json->{‘content‘}->{‘point‘}->{‘x‘};//按层级关系提取经度数据echo ‘;echo ‘lat:‘,$json->{‘content‘}->{‘point‘

Use the Baidu map api to query the longitude and latitude Based on the address and the api address Copy codeThe Code is as follows:URL to be queried: Query result (longitude and latitude): Style = "position: absolute;Margin-top: 30px;Width: 730px;Height: 590px;Top: 50;Border: 1px solid gray;Overflow: hidden; "> The abo

Using JS to calculate the distance between two points on the earth based on latitude and longitudeRecently, we used the formula for calculating the distance between two points on the earth's surface based on latitude and longitude, and then implemented it using JS.There are two ways to calculate the distance between two points on the Earth's surface.FirstBy defau

Android provides locationmanager to get location, use Locationlistener to listen for changes in locationDo some initialization work first:/** latitude and longitude of current location*/public static string mLat = "";p ublic static string Mlon = "",/** Time Out For the GPS location update */private Timer Mgpstimer = new timer (),/** TimerTask for Time out of the GPS location update */p Rivate gpstimeoutta