Global Mapper Pro

when i export images as tiles, there is a black line around each of the tiles....

neilcooper33 Global Mapper User
When i load in a large number of aerial photo tiles, then export them (as tiles of a different size in Global Mapper) there is a black line around each of the tiles....

do you know why this happens please?

thanks in advance :)


  • bmg_bob
    bmg_bob Global Mapper Programmer

    What version of Global Mapper are you using?  I think that this was reported in early releases of Global Mapper 17, but has since been fixed.  I suggest getting the latest release of Global Mapper to see if that resolves the issue.

    If you are still having the problem in the latest release, please send a detailed description of your workflow and the results, along with sample data that reproduces the problem, to Blue Marble Geographics Support (


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