CityCyclingEdinburgh Forum » Computers, GPS, 'Smart' 'Phones

Grid reference/Coordinate conversion

(6 posts)

  1. folder
    Member

    There was a discussion a few weeks ago about grid reference/coordinate conversion, especially doing batch conversions. Since I did some things I thought I'd share them.
    There's now a web app at http://osgbconv.appspot.com for this. It works both directions and can do many coordinates in one go. I think it is quite accurate because it implements the formulae from the Ordnance Survey (two stages including Helmert transformation).
    Any comments/hints for improvement welcome!

    Posted 12 years ago #

  2. allytibbitt
    Member

    Bookmarked :) Good find.

    Posted 12 years ago #

  3. fimm
    Member

    I wondered what on earth helmets had to do with this, and then realised it was a Helmert transformation (whoever he was...)
    Oops.

    Posted 12 years ago #

  4. DaveC
    Member

    @fimm, Me too. I was wondering what the heck Helmets had to do with it!!!

    Posted 12 years ago #

  5. fimm
    Member

    @DaveC we should stay away from the other thread...

    Posted 12 years ago #

  6. alibali
    Member

    Just so long as the rotations in the Helmert transform can be carried out without injury, we should be OK.

    Posted 12 years ago #

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