google maps with radius marker

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 map uses a custom marker to add text marks to the map Google map is the default gmarker. Only images cannot use text. However, in reality, we need to mark the text on the map. For example, place names. Google map API allows us to extend gmarker to implement labelmarker, a subclass of custom gmarker. 1

Google Map V3 javascript calculates the distance between two marker For map development, some operations and interactions of marker are most commonly used. A brief introduction is the distance calculation between two marker. Google map api is very convenient, as long as it i

Because the vehicle icon should be displayed on the Google map in the project, and the orientation of the current vehicle should be indicated by the front of the icon, the icon provided in Google map cannot be used, you must use a custom vehicle icon. (1) Prepare the icon file: The marker icon must be in. PNG transparent format; Divide 360 degrees into 16 o

Google Map V3 javascript calculates the distance between two markerFor map development, some operations and interactions of marker are most commonly used. A brief introduction is the distance calculation between two marker.Google map api is very convenient, as long as it is commonly used, there are basically interfaces.1. Create two marker points Copy codeThe Cod

As follows: JavaScript code: New encapsulated version:VaR map; var geocoder = new Google. Maps. geocoder ();/***-25.363882, 131.044922 * initial map */ Function initialize (LAT1, lng1, zoom, canvas_div ){ VaR mylatlng = new Google. Maps. latlng (LAT1, lng1 ); VaR myoptions = { Zoom: Zoom, Center: mylatlng, Maptype

Google Maps to identify a location near a specific point Jquer Y plug-in. Example The mapsed.js Mappy.js is a plug-in that selects a location on a map. You can also add or edit locations that have been integrated into your own database in the selected location. Example JQuery Location Selector The Position Selector plugin makes it easy to find and select a location on a

your own database.ExampleJQuery Location SelectorThe location selector plugin makes it easy to find and select a location on a Google map. Provides a central location and radius, and it can also select an area. All data can be automatically saved to any HTML INPUT element, or it can be processed by JavaScript.ExamplePlanetary.jsPlanetary.js is a JavaScript library used to build great interactive Earth. It

forcibly changed by the system. If you want to get after this type getBounds() of event, be sure to listen to the bounds_changed event instead.Accessing parameters in user interface eventsTypically, user interface events in Google Maps API V3 Pass event arguments that you can access through the event listener, which indicates the user interface state at the time the event occurred. For example, a user inte

When talking about the default control and gmap2 settings on the map, I mentioned the Google map local search bar control. It is very easy to add this control to the map, you do not need to call gmap2.addcontrol (). You only need one sentence: Map. enablegooglebar (); In this way, you can add this search box in the lower left corner of the map and replace the original Google logo image. Currently, you can u

Google Maps API is used in the company's projects, and marker is used for Google API development to label locations on Google Maps.But Google marker also has a problem with the use of t

follows:Function getLocation (){/* Check if the browser supports the W3C Geolocation API */If (navigator. geolocation ){BrowserSupport = true;Navigator. geolocation. getCurrentPosition (plotLocation, reportProblem, {timeout: 45000 });} Else {ReportProblem ();}}Function watchLocation (){/* Check if the browser supports the W3C Geolocation API */If (navigator. geolocation ){BrowserSupport = true;Navigator. geolocation. watchPosition (plotLocation, reportProblem, {timeout: 45000 });} Else {ReportP

of the pixel to fit. If the actual usable area of the screen allows, the information window can still be expanded vertically after reaching the maximum width. The contents of the Infowindow can be text strings, HTML snippets, or DOM elements themselves. To set this content, either pass the content in the Infowindow options constructor, or explicitly call SetContent () to Infowindow. If you want to explicitly resize the content, you can use Infowindow can be attached to

Google Maps API Reference manual Map Constructors/Objects Description Map () Creates a new map in the specified HTML container, which is typically a DIV element. Overlay Layer Constructors/Objects Description Marker Create a tag. Markeroptions The option t

Many map positioning and so on require the electronic barrier function, which is also required by a positioning project recently. Google hasn't found any usefulCodeI had to write one for myself. It's very simple. Doctype html > Html > Head > Meta Name = "Viewport" Content = "Initial-scale = 1.0, user-scalable = No" /> Meta HTTP-equiv = "Content-Type" Content = "Text/html; charsets

Recently developed an application based on Google Maps, in the use of Google Maps provided by the API, want to get the map has been loaded in a landmark, but how can not get, they think of a Markermanager object, In the code I declare an array to save the new marker object,

Http://code.google.com/p/goog-maps-demo/source/browse/trunk/examples/Map/fitBounds.html? R = 6 Http://www.tongmap.cn/code/webgis3.0--API/symbols/sic.LatLngBounds.html 1 VaR Geocoder = New Google. Maps. geocoder (); // Map search object Geocoder. geocode ({ ' Address ' : Address, ' Bounds ' : Bounds }, Function (Results, status ){

dynamic JSON feed, so I can learn how to handle the Google Maps API and JSON. 2, the results list and map marker part of how to linkage. The regular results list came out, but floating in the results list do not know which marker on the map, or on the map of a marker but d

????????????});???????????? Wrapping the event listener inside an anonymous function???????????? That we immediately invoke and passes the variable i to.???????????? (Function (i, marker) {???????????????? Creating the event listener. It now have access to the values of???????????????? I and marker as they were during its creation???????????????? Google.maps.event.addListener (

Let's take a look at the map projection used by Google Maps. Google Maps,Virtual EarthMap projection used by network geography is often calledWeb MercatorOrSpherical MercatorThe main difference between it and conventional mocato projection is thatSimulate the Earth as a sphere rather than an elliptical body. For more