Skip to main content

Only information bubbles...

         After displaying markers and markers with info windows, we will now display only info windows on the map. So our aim becomes, placing an info window on a google map when a user clicks on the map.

         Now, the first question that will pop up in your mind is why do we need such a thing? To answer this question let us consider a simple example. Consider that, when an user clicks on a map, a marker appears with an info window and you want the user to enter some data in a form in the info window and save that data. Now, if the user enters inconsistent data, there would be marker on the map, having no valid information! The marker would then be rendered useless, with no information! Something like a dangling pointer!

          Now, if you haven't understood a word of this; don't worry. You will soon understand the importance of this example! So, without any further discussions, let's have a look at the code!

          Here goes the code...

<html>
<head>
<title>
Google Maps API v3 - Simple Info window example
</title>
<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false">
</script>
<script type="text/javascript">
var map;
function click_window()
{
             map = new google.maps.Map(document.getElementById("map"),
             {
                         zoom: 5,
                         center: new google.maps.LatLng(22.7964,79.5410),
                         mapTypeId: google.maps.MapTypeId.ROADMAP
             });

             var html = "This is an Info window without a marker.";

             var infowindow = new google.maps.InfoWindow(
             {
                         content: html
             });

             google.maps.event.addListener(map, 'click', function(event)
             {
                         infowindow.setPosition(event.latLng);
                         infowindow.open(map);
              });
}
</script>
</head>
<body onload="click_window()" onunload="GUnload()">
<div id="map" style="width: 100%; height: 100%">
</div>
</body>
</html>


           Copy and paste the above code in an html file and see the map in action! The output will look as seen in the picture below.

Labels:

Comments

Post a Comment

Please leave your comments here...

Recommended for You

Playing with the markers and info window bubbles...

    In the last few posts, we have seen some marker examples and some information window examples. Now, lets do something interesting combining these two things. Just writing that "This is an info window" in the information bubble is not very interesting! And I know this...Have gone through the same phase!     So, today we will do something interesting! We will display the latitude- longitude co-ordinates of the point that the user clicks on the map! Doing this is not at all complex! Copy paste the following code and you will see for yourself a map coming to life!     The output of the above code looks as seen in the result section above! If you have any queries regarding the above code please comment on the blog post or feel free to contact me at my mail ID .
3 comments
Read more

Retriving co-ordinates...

         We have seen 2 Google Maps API v3 examples wherein we have retrieved the latitude-longitude co-ordinates of the point of click on the map. In the first example we have displayed the co-ordinates in the information window and in the second , we have displayed the co-ordinates in a form in the information window.         Today we will create a code to retrieve the latitude longitude co-ordinates in a text box while simultaneously a marker appears on the map as well. So, here goes the code. <html> <head> <title> Google Maps API v3 - Adding marker on Click and retrieving the co-ordinates in a text box </title> <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script> <script type="text/javascript"> var map;    //When using event as a parameter to a function declare map, strictly as a global variable fun...
5 comments
Read more

Form info window

         Today we will look at a Google Maps API v3 example to add a form in the information bubble! This is usually required when we wish to accept some data/information from the user! This data can be saved to a server in the form of an XML file or a database! The information can then be retrieved back at a later stage, when necessary!          In this example we will only look at form in the information bubble! The connectivity part with the server will be discussed in another post! So, today's code snippet is as seen below! <html> <head> <title> Google Maps API v3 - Adding marker and info window on Click and creating a form in the infowindow with the lat-lng information in it. </title> <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script> <script type="text/javascript"> var map;    //When using ev...
5 comments
Read more

Google Street View Image API

    Street View is one of most used feature of the Google Maps and why not? You can actually see any part of the world as if you are visiting the place at that very moment. And now with the Google Street View Image API, you don't even need to carry a camera with you to the places you visit. You can take-in all the scenic beauty without even bothering about clicking a single picture. You can come back from your vacation and get a few images using the Google Street View Image API and show those images to your friends and relatives. Create an album of high definition images and go ahead and share it on Facebook for your friends to have a look.     Using the Google Street View Image API is very simple and anybody can make use of it without any programming knowledge required. I will walk you through the entire process of effectively using the Google Street View Image API. So if you are set, let's go on an amazing ride across the globe with the Google Street Views. ...
1 comment
Read more

Where does Google get it's live traffic data from?

Referring to a post that I wrote earlier, Google’s - Live traffic Layer , ever wondered how Google collected this data? I was wondering the other day, how Google received live data to display it on their maps as a layer! I looked up the web and found something very interesting and am sharing the same with you all. As we all know, the traffic layer is available most accurately in several states in USA. Most major metro areas in the US have sensors embedded in their highways. These sensors track real time traffic data. Easy to miss at high speeds (hopefully anyway, traffic permitting), more commonly noticed may be the similar sensors that often exist at many busy intersections that help the traffic lights most efficiently let the most amount of people through. The information from these tracking sensors is reported back to the Department of Transportation (DOT). The DOT uses this data to update some of the digital signs that report traffic conditions in many metro areas. They als...
17 comments
Read more