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Thread: Batch Conversion - Crop Center Top (and maybe Center Bottom)

  1. #1
    IV Newbie
    Join Date
    Aug 2016
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    Seattle, WA, USA
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    2

    Thumbs up Batch Conversion - Crop Center Top (and maybe Center Bottom)

    I have a need to do a batch conversion on many images (~70,000) and need to crop them to just "center top" section of a predefined size (143x143 in my case). I am already doing the resize before the crop to set the short side to 143. The center crop does what I want for landscape images but not for portrait images.

    Example of what I would want done with this "center top" crop function:

    Landscape image starting size: 300x143
    - Crop starting at 79,0 (top of crop "window" = 79,0 - 222,0)

    Portrait image starting size: 143x300
    - Crop starting at 0,0 (top of crop "window" = 0,0 - 143,0)


    It would potentially also make sense to add a "center bottom" option that would work in a similar fashion.

  2. #2
    Professional User Mij's Avatar
    Join Date
    Mar 2007
    Location
    Camberley, Surrey, UK
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    2,763
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    IrfanView 4.51
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    32-bit Win 10
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    Default

    Use Canvas size function - Method 2, Width 143, Height 143, Middle Top

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