How to add custom datum?

Started by fvoska, November 08, 2014, 12:29:08 AM

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fvoska

November 08, 2014, 12:29:08 AM Last Edit: January 01, 1970, 01:00:00 AM by Guest
In OruxMaps for my Android Tablet I see a long list of available datums. However, I need a very specific datum which isn't listed. How can I set it up manually? Can it be done in application or do I have to change map files somehow?



Settings I need for my datum are:

  • Longitude origin: E 015°00.000'
    • Scale: 0.999
    • False Easting: 5500000
    • False Northing: 0.0

    • DX: +675
    • DY: -205
    • DZ: +475
    • DA: +740
    • DF: +0,0001004


    I use these settings for my Garmin GPS and it works fine. How can I adjust this in OruxMaps for Android?



    All help is appreciated, thank you :)

    • orux

    #1
    November 09, 2014, 03:56:47 PM Last Edit: January 01, 1970, 01:00:00 AM by Guest
    Quote from: "fvoska"In OruxMaps for my Android Tablet I see a long list of available datums. However, I need a very specific datum which isn't listed. How can I set it up manually? Can it be done in application or do I have to change map files somehow?



    Settings I need for my datum are:

    • Longitude origin: E 015°00.000'
    • Scale: 0.999
    • False Easting: 5500000
    • False Northing: 0.0

    • DX: +675
    • DY: -205
    • DZ: +475
    • DA: +740
    • DF: +0,0001004


    I use these settings for my Garmin GPS and it works fine. How can I adjust this in OruxMaps for Android?



    All help is appreciated, thank you :)


    • Hi,



    those values are parameteres for a datum and for a projection.



    which datum (name) and projection do you want to use?



    orux

    chobkwon

    #2
    December 14, 2014, 09:52:30 AM Last Edit: January 01, 1970, 01:00:00 AM by Guest
    Quote from: "orux"
    Quote from: "fvoska"In OruxMaps for my Android Tablet I see a long list of available datums. However, I need a very specific datum which isn't listed. How can I set it up manually? Can it be done in application or do I have to change map files somehow?



    Settings I need for my datum are:

    • Longitude origin: E 015°00.000'
    • Scale: 0.999
    • False Easting: 5500000
    • False Northing: 0.0

    • DX: +675
    • DY: -205
    • DZ: +475
    • DA: +740
    • DF: +0,0001004


    I use these settings for my Garmin GPS and it works fine. How can I adjust this in OruxMaps for Android?



    All help is appreciated, thank you :)


    • Hi,



    those values are parameteres for a datum and for a projection.



    which datum (name) and projection do you want to use?



    orux




    epsg 5181, Can it be possible

    maecheche

    #3
    October 12, 2016, 09:34:31 PM Last Edit: January 01, 1970, 01:00:00 AM by Guest
    Hi! Im from Costa Rica, i need please add official proyection-datum system from my country.

    The name is "CRTM05" EPSG: 5367

    False east: +500000,0 m

    False north: 0.0 m

    Scale: +0.9999

    Latitude origen: W 084°00.000'

    Longitude origen: N 00°00.000'



    Base on WGS84

    UTM



    Thank you
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