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The formula should be: longitude and latitude in any decimal number. The integer is the degree, and the fractional part is the score in the integer part of the number obtained by multiplying the decimal part by 60, multiply the decimal part of the number by 60The number is the number of seconds. For example, the number of degrees converted from 36.12432314 to second is: the number of degrees is "36", and the score is an integer of "0.12432314 × 60 = 7

Using JS to calculate the distance between two points on the earth based on latitude and longitude Recently, 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 default, The Earth is a smooth sphere, and The

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. The details are as follows: The call method is very simple. This also requires database

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.pi/180) *_lat1;Double lat2 = (math.pi/180) *_lat2; Double lon1 = (math.pi/180) *_lon1;Dou

if(Httpsconn! =NULL) {INSR=NewInputStreamReader (Httpsconn.getinputstream (), "UTF-8"); BR=NewBufferedReader (INSR); String Data=NULL; intCount = 1; while((Data= br.readline ())! =NULL){ if(count==5) {LNG= (String) data.subsequence (Data.indexof (":") +1, Data.indexof (","));//Longitudecount++; }Else if(count==6) {lat= Data.substring (Data.indexof (":") +1);//Latitudecount++; }Else{Count++; } } } } Catch(IOEx

()); 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')}", data:{latitude:latitude,longitude:longitude},

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 longitude. Share it with you for your reference. The

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 Public function returnSquarePoint ($ lng, $ lat, $ distance = 0.5 ){ $ EarthRadius

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-> {'content'}-> {'point'}-> {'X'}; // extract

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.httptokener;import com.hpzx.json.jsonexcepti

); 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 LAT2, double lng2){Double radlat1 = rad (LAT1 );Double radlat2 = rad (LAT2 );Double A = radla

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.

The first method can be set in emulator control in Eclipse's DDMS, such asThe other is in cmd input telnet localhost 5554 (note: 5554 is the emulator in the port of the machine, there may not be the same ha, the specific port number, the emulator is shown on the top left), this will appear Android Console:type ' help ' for a The words of the list of Commandsok. If the prompt command is not valid, you need to turn Windows features on or off in your computer's control panel---and then check the Te

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‘}->{‘y‘};//按层级关系提取纬度数据echo ‘;print $json->{‘c

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 above is all the content of the code. You can use it directly in the project. You don't have

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 default, The Earth is a smooth sphere, and The Dis

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 gpstimeouttask mgpstimeouttask = new Gpstimeouttask ();/*

#pragma mark-calculatedistance calculate distance #define based on 2 latitude and longitude pi3.1415926+ (Double) lantitudelongitudedist: (Double) Lon1other_lat: (Double) Lat1self_lon: (Double) Lon2self_lat: (double) lat2{doubleer =6378137;//6378700.0f;//ave.radius= 6371.315 (someonesaidmoreaccurateis6366.707) //equatorialradius=6378.388//nautical mile=1.15078doubleradlat1=pi*lat1/180.0f; doubleradlat2=PI*lat2/180.0f; //nowlong.doubleradlong1=pi*lon