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Thread: TIFF orientation tag is interpreted incorrectly in 16-bit color depth RGB image.

  1. #1
    IV Newbie
    Join Date
    Jun 2017
    Posts
    1
    Version
    IrfanView 4.44
    OS
    64-bit Win 10
    CPU Cores
    2

    Default TIFF orientation tag is interpreted incorrectly in 16-bit color depth RGB image.

    my OS: win10
    my computer: HP g7, 6Gb, AMD A6-4400M 2,7 GHz
    IV versions: 4.38 (32 bit) & 4.44 (64bit).

    For 16-bit color depth RGB TIFF images (48 bits/pixel) Irfanview interpretes orientation tag incorrectly (values 1 and 5 are displayed correctly, 2,3,4,6,7,8 incorrectly).
    See attached zip file, containing 8 TIFFs with the same image data with all allowed orientation tags (plus companion txt file).
    Attached Files Attached Files

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