calculate latitude and longitude from distance and bearing

Earth_redius = 6378.137def Rad (d): return d * pi/180.0def Getdistance ( LAT1, Lng1, Lat2, lng2): = rad (lat1) = rad (lat2) = radLat1- radLat2 = rad (lng1)- rad (lng2) = 2 * Math.asin (math.sqrt (Math.pow (Sin (A/2), 2) + cos (RADLAT1) * cos (radlat 2) * Math.pow (sin (B/2), 2 )) = S * earth_redius return sThe distance between two points is obtained by passing the latitude and

This article describes how php calculates the distance between two coordinates (longitude and latitude). it involves the use of php-related mathematical functions and is of great practical value, for more information about how to use php to calculate the distance between two

By latitude, the database is compared stringbuffer SB = new StringBuffer () sb.append ("Select TimeKey,") Sb.append ("ROUND (6378.138*2*asin ( SQRT (POW (Sin (*pi ()/180-lat*pi ()/180)/2), 2), Sb.append (+cos (? *pi ()/180) *cos (Lat*pi ()/180) *pow (Sin ((? *pi ()/) ); Sb.append ("180-lng*pi ()/180)/2), 2)) *1000) as JL") Sb.append ("From T_news have JL Mysql takes a distance comparison between the specifi

, Center_latinnumber,center_lnginnumber) is V_muidsvarchar (200); V_distancenumeric (9,6); BEGIN FORL_RECORDIN (select*fromm_maintenaceunit) LOOP selectgetdistance (L_record. Lat,l_record. LONGITUDE,CENTER_LAT,CENTER_LNG) INTOv_distanceFROMdual; /*dbms_output.put_line (' Distance: ' | | v_distance); */IF (v_distanceBecause of the use of MyBatis, the service invocation is as follows: @Override public listT

This article mainly introduces how PHP calculates the distance based on the longitude and latitude between two points. The code is very simple, but it is very practical. if you need it, you can refer to this as a good example and paste the code directly, first, you must know the latitude and

Php calculates the distance between two coordinates (longitude and latitude ). This article describes how php calculates the distance between two coordinates (longitude and latitude. Share it with you for your reference. The deta

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

The first kind of apple comes with[CPP]View PlainCopy Cllocation *orig=[[[cllocation alloc] initwithlatitude:[maindelegate.latitude_self Doublevalue] longitude:[ Maindelegate.longitude_self Doublevalue]] autorelease]; cllocation* dist=[[[cllocation alloc] initwithlatitude:[tmpnewsmodel.latitude Doublevalue] longitude:[ Tmpnewsmodel.longitude Doublevalue]] autorelease]; Cllocationd

Java known two locations latitude and longitude distance (very accurate) Package com.lbnet.lzx.util; public class GoogleMap {Private static final Double Earth_radius = 6378.137;private static Double rad (double D){return d * math.pi/180.0;}/*** ????}????????????? /γ???* @param LAT1* @param lng1* @param lat2* @param lng2* @return*/public static double Getdistanc

1 DROP FUNCTION IF EXISTS ' getdistance ';2 DELIMITER;;3 CREATE FUNCTION ' getdistance ' (4Lon1 Float (10,7) 5, Lat1 float (10,7)6, Lon2 float (10,7) 7, Lat2 float (10,7)8 ) RETURNS Double9 beginTen declare d double; One declare radius int; ASet radius = 6378140; -Set D = (2*atan2 (SQRT (SIN (LAT1-LAT2) *pi ()/180/2) -*sin ((LAT1-LAT2) *pi ()/180/2) + theCOS (Lat2*pi ()/180) *cos (LAT1*PI ()/180) -*sin ((Lon1-lon2) *pi ()/180/2) -*sin ((Lon1-lon2) *pi ()/180/2)), -SQRT (1-sin (LAT1-

DoubleRadiansDoubledegrees) { returnDegrees * M_PI/180.0;}- (void) testdistance{fmdatabase*db =[Fmdatabase Databasewithpath:_writabledbpath]; if(![DB Open]) { return; } [db makefunctionnamed:@"Distance"Maximumarguments:4withblock:^ (Sqlite3_context *context,intARGC, Sqlite3_value * *argv) { Doublevalues[4]; //get the double values for the four arguments for(inti =0; I 4; i++) { intDataType =Sqlite3_value_num

SQL SERVER calculates the distance according to the latitude and longitude of the map.Copy codeThe Code is as follows:Go-- Create a latitude and longitude distance calculation functionCREATEFUNCTION [dbo]. [fnGetDistance]-- LatBeg

The following is an analysis of the distance code used to calculate the distance between the longitude and latitude of the PHP node. If you need a friend, please refer to it. The following is an analysis of the distance code used

Distance calculation based on longitude and latitude in PHP This is A very useful distance calculation function. it uses latitude and longitude to calculate the

/*** Find the distance between two known longitude and latitude, in meters* @param lng1,lng2 Longitude* @param LAT1,LAT2 Latitude* @return float distance, Unit meter* @author Yalong Sun**/function Getdistance ($lng 1, $lat 1, $lng

The first few days of contact with a longitude and latitude computing distance algorithm, very concise Oh. When the Zennai is in operation, it reports the result of the wrong type. Later, after analysis, the problem was found in 13 lines in the code below. / * Calculation of two GPS points straight distance resu