add column for dynamic computed values in grid viev

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Hello..
i have one algorithm to find distance between places...algorithm take latitude and longitude from database and compute distance between that lat log..
suppose distance between A and B = x1 , between B and C=x2 ,between C and D=x3 and so on..

Now my question is that how to add this computed distances in grid view as new column..???

Posted 16-Mar-13 10:46am

Member 9332883

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Sergey Alexandrovich Kryukov 16-Mar-13 21:21pm

What did you try?
—SA

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Sergey Alexandrovich Kryukov · Answer 1 · 2013-03-16T15:25:00

Solution 1

This is fully explained here: http://en.wikipedia.org/wiki/Haversine_formula[^].

Disclaimer: I did not bother to check up the mathematics here, it is very simple. Most likely it's correct.

When you write the code, you may want to test your calculations on-line using this page: http://www.movable-type.co.uk/scripts/latlong.html[^].

I also hope that they did those simple calculation correctly. :-)

Good luck,

—SA

Posted 16-Mar-13 15:25pm

Sergey Alexandrovich Kryukov

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Member 9332883 18-Mar-13 3:38am

thns for answer...
i already have algorithm that find distance between two places...
but my question is that how to add column for this distances on grid view ???

Sergey Alexandrovich Kryukov 18-Mar-13 10:07am

You asked for both, it looks like. What, you don't know what to do with your own grid view..? Why can't you do it? Any particular problem?
—SA