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Spatial extensions and GIS

Spatial extensions and GIS

2004-06-07       - By Mirza

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Reply:     1     2  

In both cases you will have to write your own code. MySQL, so far, only
can store Spatial data and do very simple (still, r-tree optimized) GIS
queries (like: all objects inside rect).

mirza

Terry Pothecary wrote:

> Hi.
>
> This may be a daft question, so forgive me:
>
> I am just starting out with the Spatial extensions and I am wondering
> how I can use it to determine the distances between any 2 landmarks that
> have been entered as POINTs in the database. The POINTs are entered with
> longitude and lattitude coordinates.
>
> I have 2 problems:
> 1) The Distance nor the Buffer functions have not been implemented.
> 2) How can I use MySQL to help me convert from lat / long to distances
> in miles (or KM)?
>
> Thanks.
> Terry.
>



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