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Thread: i_view32.exe/scanhidden ignores /dpi settings

  1. #1
    IV Newbie
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    Mar 2009
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    IrfanView 4.23
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    Win Vista Home Basic

    Arrow i_view32.exe/scanhidden ignores /dpi settings

    Hello,

    I'm not sure if it's a bug or if I don't understand it well...

    I'm trying to scan an A4 page, using this command:
    "c:\Program Files\IrfanView\i_view32.exe" /dpi=x,y /scanhidden /convert=c:\file.png

    I can write anything to x and y, so /dpi=200,200, or /dpi=(1000,1000) , or anything, I always get a 850x1167px picture with maybe 20% of the page

    Any idea why and how I can get the whole page?

    Thank you in advance !

  2. #2
    IV Newbie
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    IrfanView 4.23
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    Win Vista Home Basic

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  3. #3
    IV Newbie
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    IrfanView 4.23
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    Win Vista Home Basic

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  4. #4
    Professional User Skippybox's Avatar
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    Jul 2008
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    Detroit, MI USA
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    2,030
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    IrfanView 4.25
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    Default

    Up. Up. And away...

    No, problem here. /dpi=(x,y) obviously can only accept values within the range of the TWAIN source chosen. Yours would appear in range though. Perhaps the software you are using is scaling the output in its settings? Have you tried another source like WIA, or tried to not do it hidden to see what happens?

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