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Tech Tips, Tricks & Trivia

by 'Anil' Radhakrishna
An architect's notes, experiments, discoveries and annotated bookmarks.

Search from over a hundred HOW TO articles, Tips and Tricks


Facts about Virtual Earth

Virtual Earth is the mapping technology that powers local.live.com, the latest local search and mapping site from Microsoft.

It is implemented using a mix of both server-side and client-side technologies that include ASP.NET, asynchronous JavaScript, and JavaScript Object Notation (JSON).

The interactive maps with features like panning, zooming, searching are made possible through asynchronous JavaScript communication that occurs between the browser and the Virtual Earth app servers.

Custom mapping applications and mashups can be built by using the Virtual Earth Map Control (version 3 is the latest), a JavaScript component that provides all the functionality needed to draw maps, search for locations, and get driving directions.


A .chm version of the Virtual Earth Map Control SDK is available for off-line viewing & reference.

The Getting Started articles ( Part 1 & 2 give a quick overview of VE Map control

It should be exciting news to Web developers in India that it is possible to code India-centric mapping applications.

Having played around with the Virtual Earth Map Control for a little while, I have come up with this little application that can locate Indian cities/places and also show the latitude and longitude of the specified place on mousing over the pushpin related to the location searched for.

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