scanned image size

[cr]

On Saturday 26 January 2013 06:08:51 Anne Wilson wrote:
> On 25/01/13 14:56, Ingo Malchow wrote:
> > Am 25.01.2013 14:13 schrieb "Doug" <dmcgarrett at optonline.net
> > 
> > <mailto:dmcgarrett at optonline.net>>:
> >> Hope this is the right forum for the question: I scan an image in
> >> using xsane.  It displays magnified many many
> > 
> > times. I save
> > 
> >> that image as a .png file, and then when I open it, or email it
> > 
> > someone who opens it,
> > 
> >> either in Linux or in Windows, the image comes out very small on
> >> the
> > 
> > screen--
> > 
> >> smaller than what the original was. (I'm scanning using the scan
> >> function of an Epson WP-4530 multi-function printer, networked
> >> via Ethernet.)
> >> 
> >> So: is there any way to make the scanned image on screen in xsane
> >> look a reasonable facsimile, size-wise, of the original document
> >> or picture,
> > 
> > and is
> > 
> >> there a way to make that image come out about that same size
> >> when saved as .png and viewed by an image viewer like Gwenview,
> >> or Windows Photo Viewer?
> >> 
> >> Thanx--doug
> > 
> > This is probably not the best fitting mailinglist, as this is a
> > KDE centric user mailinglist. However, if i get it right, your
> > problem seems to be the image viewer of choice doesn't seem to view
> > an image in the original size but rather fits it to screen. And
> > that is probably exactly what is happening. E.g. i have set
> > gwenview to display images to that per default. If i need to zoom
> > into an image to see the correct size i can do so. But you can't
> > force a setting on users. Neither does there exist a global
> > solution that sets any image viewer accordingly. Note, this assumes
> > that you have scanned the image correctly and it is indeed saved in
> > a  higher resolution.
> 
> Something else you might want to consider -
> 
> XSane integrates well with GIMP.  I scan from GIMP, which means I have
> all the freedom I want to edit the image, scale it, or anything else
> 
> :-)  It's not a KDE app, but every distro has it.
> 
> Anne

I was going to mention Gimp too.

As a further point - when you scan, you decide  what size to make it, usually 
by setting the pixels per inch (either explicitly or by default setting in the 
software).    Almost any graphics viewer (or Gimp) will tell you the size of 
the resulting image in pixels.    You can resize it with Gimp etc. if you 
wish.
How big some other person's graphics viewer displays it depends on their 
settings, it's not something you can dictate (as Ingo said).

cr
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