Keeping integrity of data/coordinates when exporting from SHP to TAB and viceversa

alberto_fralberto_fr Global Mapper UserPosts: 22Trusted User
Hi,
I happen to have a recurrent issue when opening/exporting vector files.
I have found out when exporting SHP to TAB and viceversa the coordinates are rounded, How can I keep the exact geometry at all levels (the exact same geometry) irrespective the format?
https://www.dropbox.com/s/tu1tj5a5m349j0p/image_2020_12_14T13_32_25_500Z.png?dl=0

Thanks in advance!
Alberto






Best Answer

  • bmg_bobbmg_bob Global Mapper Programmer Posts: 2,216
    Answer ✓
    Hello Alberto,

    Unfortunately, this is an inherent limitation of the TAB format. Coordinate values are not stored in their full resolution. If you start with a TAB file, converting to SHP should work because SHP can match the resolution of the TAB file. However, if you start with a SHP file, you will lose resolution when you export to TAB.

    Cheers,
    Bob

Answers

  • alberto_fralberto_fr Global Mapper User Posts: 22Trusted User
    Thanks a lot for the clarification Bob,
    Kind Regards,
    Alberto
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