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print exact size, how to do?

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aoz
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2016/04/08 12:06:41 (permalink)
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print exact size, how to do?

see attached
i scanned an image (template for wood project), along with ruler.
how to get it to print exact size (1 inch prints as 1 inch), what are settings to use in print preview?
https://www.dropbox.com/s/5o5x5s219anaroa/lady-swinging-seat.jpg?dl=0
here is dropbox link, not sure if upload or URL link worked corectly
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    Re: print exact size, how to do? 2016/04/08 12:32:42 (permalink)
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    After acquiring an image, e.g. from the scanner, look on the Image ribbon tab - Resolution, find out if the image resolution in dots per inch (DPI) is set to exactly the same value as you had in your scanner interface. If for example, you scanned the image at 150 dpi, set both values here to 150 as well. Depending on the scanner driver this could be set correctly automatically as you scan, or not...
    Then on the Print Setup set scaling to 100% and print.
     
    Greg
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    Re: print exact size, how to do? 2016/04/08 14:27:08 (permalink)
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    ok, to clarify -
    i scanned this at 300dpi.
    i look at it in hypersnap, image - resolution
    it states 96 dpi.
    i should change that to 300 dpi?
     
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    Re: print exact size, how to do? 2016/04/08 14:37:18 (permalink)
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    Yes, change to 300 dpi if you want precise scaling when printing.
     
    Greg
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    aoz
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    Re: print exact size, how to do? 2016/04/08 14:48:06 (permalink)
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    thanks - just tried it, worked great.
    this helps for woodcraft projects
    nick
     
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    aoz
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    Re: print exact size, how to do? 2016/04/09 07:27:42 (permalink)
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    Greg,
    additional question -
    the default was set at 96 dpi.
    per the HELP file, this is the standard resolution of VGA screens.
    but my monitor is an XVGA, or whatever;  it is 1920 x 1080.
    if I set the RESOLUTION of DEFAULT to 150 or 300, is my monitor providing that resolution to Hypersnap, for capture?
     
    And, if I scan an image at 150 or 300 dpi, and save it;  and later work with it in hyperionics, will hyperionics maintain the scanned resolution on a re-save, or do I have to again change the resolution?
     
    I'm now confused
    thansk
    nick
     
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    Re: print exact size, how to do? 2016/04/11 15:05:57 (permalink)
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    The 96 dpi value is probably still correct for 1920x1080 monitors, but it's a messy issue, whatever the system reports on any monitor to the programs may be quite off the correct value for any particular monitor. If you capture some image, try to print it at 100% scaling factor and it comes up significantly larger or smaller than it looked on the monitor, you may adjust the resolution under the Image ribbon tab - Resolution, to the correct dpi value, and mark the option to "Use as default for future images captured from the screen". HyperSnap will then remember this preferred resolution.
     
    What the scanning interface does depends on the particular scanner and the software (drivers) it provides. Ideally they should remember the resolution you set last time and offer it as the default for the next scan, but they rarely do. They should also pass the resolution value you have set, e.g. 150 dpi, in the scanned image, as they exchange info in image files like JPEG or PNG, which do have optional fields to provide the resolution. Again, they rarely do this, so that when the scan result comes to HyperSnap software, it has no idea which resolution you have selected. It's an imperfect world, sigh...
     
    Greg
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