How can we calculate sea distances using waypoints ?

Posted by Ashish Ranpara on Stack Overflow See other posts from Stack Overflow or by Ashish Ranpara
Published on 2010-04-19T13:14:12Z Indexed on 2010/04/19 13:43 UTC
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distance

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routing

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gis

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google-maps

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formula

Hi Friends,

I have one query in which I really stuck at that. I have port database with waypoints and also routing points which I need to use in distance calculation between two ports. I have done lots of R&D to find formula which gives me distance between two points. I also need shortest route which is possible.

I have reviewed online tools which allow user to calculate the distance. But I want to do the same at my own. I have reviewed Port World Distance Calculator. I reviewed the Great Circle formula to achieve that but I don't know that how we avoid landscapes in sea distance and in which direction I need to find distance for second port.

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