'how do they do that' and possible job in tow

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  • Jayne Wolps

    'how do they do that' and possible job in tow

    Hello
    I wonder if anyone can help.

    I would like to know how certain sites:
    http://aboutbritain.com/ArundelCastle.htm, and
    http://travel.knowhere.co.uk/place/+bristol-0/ manage to put approx mile
    distances between their listed towns and attractions.
    You will see it on the knowhere.co.uk site on the right side where they list
    nearby towns and on aboutbritain.co m you will see it where they list other
    nearby attractions and hotels towards the bottom of the page.
    I guess they store longitude/latitude in their database so they can pinpoint
    each attraction/hotel ETC, but what then. How do they calculate distances
    between those hotels and attractions and other towns?

    Also, the database on my site has alot of places stored but with postcodes.
    Is there a way of converting postcodes into approximate long/lat positions?
    Like a universally available table or something?

    My programmer is back tomorrow from his holidays and I'm trying to gather as
    much information about 'how it's done' so I can get a similiar system
    implemented on my website. My new website will be describing thousands of
    British villages and storing them in a mySQL database and I'm looking at
    ways of listing the nearest attractions to them. The site uses alot of php.
    If my programmer does not contact me on his return (he often obsconds for
    lengthy periods) I will be looking for someone who can do this sort of work
    and other work. Must be reasonable! and reliable!

    If anyone can help I'd be most grateful.

    Kind Regards,
    Jayne Wolps





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