Question

how to do proximity search using google api

Asked by: royalcyber

Hi Experts
I am using Goolge maps api in my project to show the location of a shoping store.

Can you please let me know which method i can use to get  list of all stores are within  the distance (in miles) from the location of above shoping store ?

 or steps of proximaty search using google map api so i can able to do above task.

Thanks in advance.

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Asked On
2008-03-21 at 09:13:24ID23259986
Tags

Java (Using Google MAP API

Topic

Miscellaneous Programming

Participating Experts
2
Points
500
Comments
3

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Answers

 

by: nayernaguibPosted on 2008-03-24 at 02:23:00ID: 21192565

Given that you have the latitude and longitude of all stores, you can perform your calculations as follows:

1. A degree of latitude is approximately equal to 69 miles, and a degree of longitude is approximately equal to cos(latitude in radians) * 69 miles.

2. Given that x1 and y1 hold the values of the latitude and longitude of store 1, respectively, and x2 and y2 hold the values of the latitude and longitude of store 2, respectively, the distance between store 1 and store 2 can be calculated by obtaining x3 and y3 (the horizontal and vertical distance in miles, respectively), and then calculating the distance using the formula:

SQRT(x3^2 + y3^2)

Take a look at the following page for sample code in PHP that presents another formula for calculating the distance:

  http://www.weberdev.com/get_example-1818.html

_______________

  Nayer Naguib

 

by: Computer101Posted on 2008-04-26 at 18:59:19ID: 21447683

Forced accept.

Computer101
EE Admin

20120131-EE-VQP-002

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