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LSU forum,

I'm developing spreadsheet to calculate geographical coordinates (latitude, longitude) to  grid coordinates (East, North) and vice versa complete with  Grid Convergence and Point Scale) using  RedFearns Formula on single zone .


If you found some misscalucaltion, errors or bugs, please share with us for further development.

for the member who understand bahasa indonesia, please visit my web on

http://cadex.wordpress.com/2012/12/21/xls-map-09speadsheet-proyeksi-traverse-mercator-di-excel-versi-2/

for detail instuction.

thanks

-zainul-

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Replies

  • Hello Zainul,

    Thanks for posting these...are you also planning on Lambert Conical?

    Paul

    • Hello Paul,

      Yes, I've planned and still seeking a good reference specially for formula. Thanks for files that you uploaded on Lat/Long to Coordinates conversion & vice versa.

      I will develop on Lambert Conical on it

      thanks

      -zainul-

    • Hello Zainul,

       

      Your welcome, I'm glad that they helped. Thanks for creating the spread sheets, they're awesome. Have a good new year!

       

      Paul

  • thanks for advice & recommended link Justin.
    I donwloaded the spreadsheet from link you provided. This spreadshet applies visual basic application for calculation. My intention is to develop the same calculation without using visual basic application, hopefully i can do it.....

    once again thanks for your valuable input...
  • Party Chief

    Here are a couple of places where you might find your answer

    Convert Between Geographic and UTM Coordinates

    If you calculate coordinates across normal zone boundaries, alert messages may appear warning you that the results may be unreliable. Unless you specifically intend to carry grids across zone boundaries, you should consider these error messages and correct your input.

    Spreadsheets help and examples

    From this page you can download a Microsoft® Excel 2002 spreadsheet which will carry out common calculations with coordinates. All of the concepts and formulae given in A guide to coordinate systems in Great Britain, which is the user manual for these calculations, are detailed in the spreadsheet. The guide gives some important warnings about the use of its formulae, which you should be aware of. There are also other projection functions such as scale factors, convergence and t-T in the spreadsheet that are not in the guide.

    Hopefully someone else will come along and give more advice..good luck!

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Personal Introduction

Hello everyone, I'm an merican citizen and surveyour living and working in Europe. I came across this community in a search for knowldge and help for my professional challenges, it seems fine so far, so I hope i'll be able to contribute in any way i can. Regards, C. Correia

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1 Reply · Reply by Justin Farrow Jul 23