calculate distance between two coordinates latitude longitude

Copy Code code as follows: /** * calculates the distance between two points * @param _lat1-start latitude * @par Am _lon1-start Longitude * @param _lat2-end latitude * @param _lon2-end longitude * @return km (rounded) */ public static

In the MySQL database, how to obtain the distance between them according to two known latitude and longitude, can be realized by other methods, but if you add a stored procedure (built-in function) to MySQL, it is convenient to call MySQL's built-in function directly. The functions are as follows: CREATE definer= ' root ' @ ' 127.0.0.1 ' FUNCTION ' get_product_

PHP calculates the distance between two longitude and latitude Function getDistanceBetweenPointsNew ($ latitude1, $ longitude1, $ latitude2, $ longitude2 ){ $ Theta = $ longitude1-$ longitude2; $ Miles = (sin (deg 2rad ($ latitude1) * sin (deg 2rad ($ latitude2) + (cos (deg 2rad ($ latitude1 )) * cos (deg 2rad ($ latitude2) * cos (de

From Google Map on the basis of latitude and longitude for the Earth's surface to achieve the distance between two points, slightly adapted for the domestic space distance calculation, the implementation has been sufficient to meters as a unit. net2.0,c# implementation. public static double distanceoftwopoints (double

"-//W3C//DTD XHTML 1.0 transitional//en" "HTTP://WWW.W3.ORG/TR/XHTML1/DTD/XHTML1-TRANSITIONAL.DTD">"http://www.w3.org/1999/xhtml">63.3422JS calculates the distance between the Earth's two latitude and longitude

// The distance between two longitude and latitude ranges from private final double earth_radius = 6378137.0; private double gps2m (double lat_a, double lng_a, double lat_ B, double lng_ B) {double radlat1 = (lat_a * Math. (PI/180.0); double radlat2 = (lat_ B * Math. PI/180.0); Double A = radlat1-radlat2; Double B = (lng_a-lng_ B) * Math. PI/180.0; double S = 2 *

The example in this article describes how the go language calculates the distance between two longitude and latitude. Share to everyone for your reference. The implementation methods are as follows: Copy Code code as follows: Package Main Import ( "FMT" "Math" ) Func Main () { LAT1: = 29.490295 Lng1: = 106.486654 LAT2: = 29.615467 Lng2

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 CodeHighlighte

// Char * mapno: Image number // Int lon_deg: longitude-degree // Lon_min: longitude-Score // Lon_sec: longitude-second // Lat_deg: latitude-degree // Lat_min: latitude-Score // Lat_sec: latitude-second // Long lscal

Php calculates the distance between the coordinates of Baidu Maps, and php coordinates. Php is used to calculate the distance between Baidu map coordinates. This article describes how php calculates the

Private Static final double earth_radius = 6378.137; Private Static double rad (double D) {return D * Math. PI/180.0 ;} /*** get the distance between two longitude and latitude ** @ Param r_longitude * @ Param r_latitude * @ Param n_longitude * @ Param n_latitude * @ return distance */public static double getdistanceby

Tags: sql set Jingwei def float body ble fine funcDELIMITER $$CREATE definer = current_user FUNCTION ' getdistance ' (' lon1 ' float, ' lat1 ' float, ' lon2 ' float, ' lat2 ' float)RETURNS DoubleBegindeclare d double;declare radius int;Set radius = 6378140; #假设地球为正球形 with a diameter of 6378140 mSet D = (2*atan2 (SQRT (SIN (LAT1-LAT2) *pi ()/180/2)*sin ((LAT1-LAT2) *pi ()/180/2) +COS (Lat2*pi ()/180) *cos (LAT1*PI ()/180)*sin ((Lon1-lon2) *pi ()/180/2)*sin ((Lon1-lon2) *pi ()/180/2)),SQRT (1-sin

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 = RADLAT1-RADLAT2;Double b = rad (lng1)-Rad (LNG2); Double s = 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));s = S * earth_radius;s = Math.Round (S * 10000)/100

This article describes how php calculates the distance between Baidu map coordinates, involving php string, array, and mathematical operations, for more information about how to calculate the distance between Baidu map coordinates using php, see the following example. We wil

*)); return [deg, Min, sec]; } 2. Degrees, minutes, seconds to decimal latitude and Longitude view plain copy to clipboard print? function Deg2dec (deg, Min, sec) {var deg = Math.Abs (deg); var min = math.abs (min); var sec = Math.Abs (sec); return deg * 1 + (sec * 1 + min * 60)/3600; } function Deg2dec (deg, Min, sec) {var deg = Math.Abs (deg); var min = math.abs (min); var sec = Math.Abs (sec

In this paper, we describe the method of calculating the distance between Baidu map coordinates by PHP. Share to everyone for your reference, as follows: The following is the online code, the use of the time needed to make some changes The first function is to get the range, the parameter is the latitude longitude rad

This article describes the PHP to achieve the calculation of Baidu map coordinates the distance between the method. Share to everyone for your reference, specific as follows: The following is the code on the Web, you need to make some changes when you use it The first function is to obtain the range, the parameter is the latitude

This paper illustrates the method of calculating the distance between two latitude and longitude of Golang and PHP. Share to everyone for your reference, specific as follows: Golang version: Copy Code code as follows: Package Main Import ( "FMT" "Math" ) Func Main () { LAT1: = 29.490295 Lng1: = 106.486654 LAT2: = 29.615467 Lng2: = 106.581515