latitude 3550

Recently, the company needs to check the customer's delivery address to find out which stores are closest to the customer's address, and the customer can go to the nearest store to pick up the goods. So how do we figure out which stores are within 1000 meters of the customer's address? We can calculate it from the following sections. 1. Obtain the latitude and longitude of the customer's address, we can get through the interface provided by Baidu Map

: This article mainly introduces how to determine which stores are closest to customers by longitude and latitude, for example, the nearest stores within 1000. if you are interested in PHP tutorials, refer to it. Recently, the company needs to query the stores closest to the customer's address through the customer's receiving address. the customer can pick up the goods at the nearest store. How can we calculate the number of stores with the customer

Baidu map, AMAP, HTML5 latitude and longitude comparison Is the longitude and latitude of a location determined? I think many people will answer this question. I'm sure, but what is it actually? I have. During the use of Baidu map, we found a strange phenomenon. Sometimes, when calling Baidu map js API, we got a wrong place. Then I also studied the jsAPI to obtain the geographical location information. jsAP

** @ Paramdouble $ x longitude @ paramdouble $ y latitude @ paramdouble $ d distance from the unit of meters @ returnarray * functiongetrange ($ x, $ y, $ d, $ x indicates the longitude of a vertex $ y indicates the latitude of a vertex $ d returns the latitude and longitude range from the distance from the vertex /** @ Param double $ x longitude @ Param doub

As we all know, maps of all navigation software, including lt, are the set of coordinates of longitude and latitude. Then, the GPS longitude and latitude signals can be matched before being applied to navigation.However, due to national policies, lt cannot be used to locate a target directly by longitude and latitude. For this reason, lt uses a work und: The Phan

Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> Using System; Using System. Collections. Generic; Using System. text; Using System. net; Using System. IO; Namespace Yournamespace{ /// /// A class for latitude and longtitude /// [Serializable] Public Class GEO{ /// /// Latitude /// Private String

Label:Before very silly very naïve thought is nothing more than a distance, and then compare out on the line, and then when the access to a lot of users, and the database in the latitude information a lot of time, the rapid increase in computational capacity, can make the server completely stupid, or old-timer experience than we rich, gave me a great revelation.MySQL Performance tuning – distance calculation using a faster algorithmRecently encountere

The current job is to analyze some user data. each user has several records, each of which has a user location, expressed by longitude and latitude. there is also a given database that stores some known locations and their longitude and latitude, with more than rows of data... the current job is to analyze some user data. each user has several records, each of which has a user location, expressed by longitu

Thinkphp implements nearby queries, such as nearby people and nearby deals.First, you want to locate the latitude and longitude of the user. The client-side targeting method can be located using the Map API or with the HTML5 browser (less stable and less precise).Then, the current latitude and longitude, and the distance required to search, calculate a latitude a

importjava.util.HashMap;importjava.util.Map;publicclassMapDistance{ privatestaticdoubleearth_radius=6378.137;private staticdoublerad (doubled) {returnd *Math.PI/180.0;}/*** Calculates the distance (in km) between the two places according to the latitude and longitude of the two positions * parameter is string type * @param lat1Str user Longitude * @param lng1Str user Latitude * @param lat2Str Business Long

/** * Map Tool * * @author DXM * */public class Maputil {//reference point private double[] D34 = null;private double[] d33 = Null;priva Te double[] gs34 = null;private double[] gs33 = null;//reference point location private double x34, y34;//calculation parameter private double A, B, C, bl;/** * Constructor * * @param ds34 reference point latitude and longitude * @param ds33 reference point latitude and l

Now my retreat is coming to an end. According to the initial plan, I plan to spend about a month studying JavascriptCodeObfuscation. Later, as the engine of Google App Engine is being studied more and more deeply, and code obfuscation is more complicated than I thought, I canceled the plan to study code obfuscation, focus on website-related research. This article introduces three Rest interface services that I implemented on Google App Engine: 1. query the service of administrative divisions

Cat Share, must boutiqueOriginal articles, welcome reprint. Reprint Please specify: Sanayu's BlogAddress: http://blog.csdn.net/u013357243One: EffectInput latitude and longitude, can get the corresponding place nameSecond: IdeasAlmost identical to the field code.1. Get the latitude and longitude of user input2. Create a Cllocation object based on the latitude and

Requirements: The title is actually very clear, the specific point is to use HTTP request Google Weather API, get a standard XML file, the XML file contains the weather data we need, then we are parsing this XML document to get the weather data. Visit Google weather: http://www.google.com/ig/api?hl=zh-cnweather=,,, 30670000,104019996 30670000 for Latitude, 104019996 for longitude, this is the above XML in the lat