google maps cdn

Google map defaults to the Gmarker, you can only use the picture can not use text. But in practice, we inevitably need to mark text messages on the map. such as place names. The Google maps API allows us to implement custom Gmarker subclass Labelmarker by extending Gmarker. 1 google.maps.LabelMarker = function (latlng, options)2 {3 this.latlng = latlng;4 This.la

Google Maps adds practical new features: A real-time view of global forest coverage Even now, the global forest area is still shrinking, in order to make people more aware of this grim situation, Google recently launched a new interactive map-"Global forest Monitoring (Forest Watch)", which can show real-time global forest coverage. There will be a number of sou

var childs = var latlng = new Google.maps.LatLng (Value.google_lnglat.lat, VALUE.GOOGLE_LNGLAT.LNG); Value.google_lnglat.lat, value.google_lnglat.lng current position latitude and longitudefunction Getflatterndistance (LAT1, lng1) {var Julichangdu = new Array ();Childs $.each (Childs, function (idx, dest) {//contents of all remaining pointsvar lat2 = dest[' Google_lnglat '][1];var lng2 = dest[' Google_lnglat '][0]var f = Getrad ((number (LAT1) + number (LAT2))/2);var g = Getrad ((number (LAT1)-

Google Maps javascript API example Function showaddress (Address ){If (geocoder ){Geocoder. getlatlng (Address,Function (point ){If (! Point ){Alert ("cannot be resolved:" + address );} Else {Map. setcenter (point, 17 );// Map. openinfowindow (Map. getcenter (), document. createtextnode ("Hello, world "));VaR marker = new gmarker (point );Map. addoverlay (Marker );Marker. openinfowindowhtml

How to store Google Maps longitude latitude is better Title ------Solution-------------------- Two fields ------Solution-------------------- I used to use two characters Gencun, one longitude, one latitude. ------Solution-------------------- You can try the JSON PHP Code $coord = Array ( 0=>array ( "x" = "102.00001", "y" = "20.12321" ), 1=>array ( "x" = "300.22",

The most important object in Google maps should be gmapsapplication. Its definition uses the Javascript object-oriented design method. VaR A = Z. Prototype;W ("gmapsapplication", Z );P (Z, "getmap", A. N ); Function W (a, B) {window [a] = B}Function p (A, B, C) {A. Prototype [B] = c}Z. Prototype. n = function () {return this.} W function puts the object in the window attribute and can define a name fo

Simple use of Google Maps API

parentForItem: NoResource found that matches the given name' Android:TextAppearance.Material.Display3 '.Error:ErrorRetrieving parentForItem: NoResource found that matches the given name' Android:TextAppearance.Material.Display4 '.Error:ErrorRetrieving parentForItem: NoResource found that matches the given name' Android:TextAppearance.Material.Headline '.Error:ErrorRetrieving parentForItem: NoResource found that matches the given name' Android:TextAppearance.Material.Inverse '.Error:ErrorRetriev

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

The examples in this article describe the methods that JS+HTML5 gets the user's geographic information and displays on Google Maps. Share to everyone for your reference. The implementation method is as follows: I hope this article will help you with your Web programming.