latitude rugged

Not much to say, your own code on the line, you can directly to use. /** * Calculates the distance between two coordinates (m) * @param float $fP 1Lat starting point (latitude) * @param float $fP 1Lon Start (longitude) * @param float $fP 2Lat end point (latitude) * @param fl Oat $fP 2Lon Endpoint (longitude) * @return int */function distancebetween ($fP 1Lat, $fP 1Lon, $fP 2Lat, $fP 2Lon) {$fEARTH _radius

Original如何将经纬度利用Google Map API显示C# VS2005 Sample Code日前写了一篇如何用GPS抓取目前所在,并回传至资料库储存,这篇将会利用这些回报的资料,将它显示在地图上,这个做法有两种,最简单的就是直接传值到Google Maps上. 举例来说,当我们知道经纬度后,只要将数据套到以下网址即可. http://maps.google.com/maps?q=25.048346%2c121.516396 在参数q=后面,就可以加上经纬度了. 25.048346是Latitude纬度 %2c是空格 121.516396就是Longitude经度了. 范例画面: 而另一种做法就比这个复杂一点,要使用Google API来做,首先,要使用google API就必需要有google的帐号,没帐号是无法申请的,当有google的帐号后,就可以到http: //code.google.com/apis/maps/signup.html开始申请了. 最 下方My web

// 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 lscale: Scale Bool trans (char * mapno, int lon_deg, lon_min, lon_sec, lat_deg, lat_min, lat_sec, long lscale) {Int scaleid;Char Buf [10]

Take the current mobile phone as an example: Get the current mobile address, and then convert from latitude to detailed address (including: Country name-Country code, province, city, street name, postal code, etc.). 1: Get the current mobile phone latitude and longitude degree Reverse Geoder Class 1:-(void) Startedreversegeoderwithlatitude: (double) latitude

Preface: As a result of the project requirements and customer requirements to be replaced by the Baidu map to Chemleader map, so involved in the transformation of latitude and longitude, Chemleader official documents to provide less information in this area, did not find the right solution, so after some trouble is finally found a more commissioned solution. Geographical coordinates: 437438300,134912100 (the first parameter represents the longitude,

(RADLAT1) * cos (RADLAT2) * Power (sin (B/2), 2)); S: = S * Earth_padius; S: = Round (S * 10000)/10000; return s; End Next is the stored procedure that I wrote myself: CREATE OR REPLACE PROCEDURE distance_maintunit (p_cur out Sys_refcursor, Center_lat in number, center_lng in number) I S v_muids VARCHAR (MB); V_distance NUMERIC (9,6); BEGIN for L_record in (SELECT * from M_maintenaceunit) LOOP Select Getdistance (L_record. Lat,l_record. LONGITUDE,CENTER_LAT,CENTER_LNG) into the v

The earth is a nearly standard ellipsoid with an equatorial radius of 6378.140 km, a polar radius of 6356.755 km and an average radius of 6371.004 km. If we assume that the earth is a perfect sphere, then its radius is the average radius of the Earth, recorded as R. If the 0-degree meridian is used as a benchmark, the surface distance between the two points can be calculated based on the latitude and longitude of any two points on the Earth's surface

describe a concept, a map overlay: All overlays or overlays to the map, collectively referred to as map overlays. such as callouts, vector graphic elements (including: Polylines and polygons, and circles), positioning icons, and so on. Overlays have their own geographic coordinates, and when you drag or zoom the map, they move accordingly. requirements to be fulfilled: if we know the GPS latitude and longitude of the Beijing Tian ' an gate (building):

from:http://blog.csdn.net/zhuqiuhui/article/details/531803951. Find the azimuth of two latitude and longitude points, P0 (LatA, Lona), P1 (LATB, lonb) (many blogs do not write very well, summarize here) def getdegree (LatA, Lona, LATB, lonb): "" " Args: Point P1 (LatA, Lona) point P2 (LATB, lonb) Returns : bearing between the "GPS points, default:the basis of heading direction is" ""

/** * Calculates whether the point is within the radius of a fixed point * @ October 20, 2016 * @param a longitude 1 known * @param b latitude 1 known * @param x longitude 2 * @param y Latitude 2 * @param radius distance of R radius (m) comparison * @return Object[0] is in the known range*/ Public StaticObject[] Getmanypoint (DoubleADoubleBDoubleXDoubleYDoubleR) {object[] obj=Newobject[2]; DoublePK = th

1, theoretical support: if from the point of need to judge a ray and the number of focus of the polygon is odd, then the point in this polygon, otherwise the point outside this polygon. (Rays cannot intersect with polygon vertices) 2, Programming Ideas: The idea of the program is to make a horizontal ray (parallel to the x-axis, to the x-axis) from point A to the left to determine whether there is a focus on each side. DLon1, DLon2, DLAT1, dLat2 represent the longitude and

A recent project used latitude and longitude, according to the latitude and longitude of the map to show the corresponding position Background implementation code:HTML code: The code is as follows Copy Code Address to query: Query results (latitude and longitude): CSS code:JS Code: ============== Split Line ==============Fr

The formula is as follows, Unit meter: 1th Latitude: lng1 lat1 2nd latitude and Longitude: lng2 lat2round (6378.138*2*asin (Pow ((sqrt () LAT1*PI (180)/2), 2) + Cos (LAT1*PI ()/180) *cos (Lat2*pi ()/180) *pow (Sin ((Lng1*pi ()/180-lng2*pi ()/180)/2), 2))) *1000) Example: SELECT store_id,lng , Lat,round (6378.138*2*asin (SQRT (POW (22.299439*pi ()/180-lat*pi (/180)/2), 2) +cos (22.299439*pi ()/180) *cos ( La

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

In a three-dimensional system, you must determine the sun position based on time and set this position as a specific light source. To produce real lighting and shadow effects The method for calculating the longitude and latitude of the direct sun point is as follows: Based on the basic geographic knowledge, Latitude: the latitude of a place with a height of 90 d

Geocoding API is a service interface provided by Baidu. It is mainly used to provide translation services from address resolution to latitude and longitude coordinates or from latitude and longitude coordinates to addresses, you can send a request to receive returned data in JSON or XML format. Most of the code and solutions provided on the Internet are based on Google map. In fact, their solutions are simi

contains the location point of the mouse.For events on Map API objects, refer to the full API reference documentation.The AddEventListener method has two parameters: the listener's event name and the function that was called when the event was triggered. In the example below, a warning box pops up each time the user taps the map .var New Bmap.map ("container"); Map.centerandzoom (new bmap.point (116.404, 39.915), one by one); Map.addeventlistener (function() { alert ("You clicked on t

Php obtains all the information (such as the address, postal code, country, and latitude and longitude) of the specified IP address. Php obtains all the information (such as address, zip code, country, and latitude and longitude) of a specified (guest) IP address. This document describes how to obtain the specified IP address (visitor) by using php) all IP information (php obtains all IP addresses (addresse

Package Com.haiyisoft.cassistant.mapapi;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; /** * Get latitude and longitude * * @author Sunny * Key: F247CDB592EB43EBAC6CCD27F796E2D2 */public class Getlatandlngbybaidu {/** * @param addr * Query Address * @return * @throws ioexceptio

PHP calculates the distance between two coordinates (longitude, latitude), coordinates longitude This example describes how PHP calculates the distance between two coordinates (longitude, latitude). Share to everyone for your reference. Specific as follows: Here we use PHP to calculate the distance between two coordinates (longitude, latitude) and return the res