Re: [Gimp-user] how to scale down image without quality loss

[David <davebe inbox com>]

For scaling down vector images, use Inkscape.
Otherwise, if you still use GIMP, make sure that you import the image at 300dpi and resize from that - but 
for a better visual result, I highly suggest using Inkscape

-- 
Dott. David Berti
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> -----Original Message-----
> From: admin pilobilus net
> Sent: Sat, 23 Jan 2016 15:56:38 -0500
> To: gimp-user-list gnome org
> Subject: Re: [Gimp-user] how to scale down image without quality loss
>
> On 01/21/2016 11:57 PM, boydy33 wrote:
> > Hi there,
> > Hope you can help me with this as I’ve tried everything!
> > All I am trying to do is scale a large .EPS logo which is 1.2Mb and
> > default
> > imports into Gimp 2.8.14 at 100dpi?, Width 826 and Height 1170 with no
> > Anti-Aliasing, down to a logo of around 28mm high without losing too
> > much image
> > quality.  What I get using the standard scale command in Gimp is a
> > colour
> > degradation and very fuzzy logo outlines.
> >
> > I’ve been ‘trying’ to use Liquid Rescale, the gimp plugin, but it comes
> > back
> > with two error boxes…
>
> [ ... ]
>
> > Any suggestions?  I don’t have to use the LR plugin but from what I’ve
> > read it
> > seems the only way to do this well with Gimp.
>
> Hey,
>
> Liquid Rescale is a tool for 'stretching' images to a new aspect
> ratio (i.e. making them wider but not taller), without affecting
> selected elements of the image or creating visible seams.  It can
> also be used to remove parts of an image without visible distortion.
>  I don't think it's the best option for radical re-scaling with
> minimum distortion.
>
> I would try the Script Fu 'Step Resize' tool for that.  But the GIMP
> is probably not the right tool for the job at hand.
>
> The EPS file format is normally a vector file, that is, more like a
> CAD drawing than a digital photograph.  From Wikipdeia:
>
> "An EPS file is a stream of generic PostScript printing commands."
>
> EPS files also (usually) have thumbnail images embedded in them;
> again per Wikipedia:  "EPS files also frequently include a preview
> picture of the content, for on-screen display."
>
> A logo that is a 1.2 MB EPS file probably has a /big/ preview image;
> vector graphic files are normally a tiny fraction of the size of an
> equivalent bitmap image file.  But I don't think that's relevant to
> solving your problem.
>
> The first thing I would try is opening the EPS file in a vector
> graphics editor like Inkscape.  This /should/ enable you to export
> bitmap copies of the logo at any scale, with the best resolution
> possible for the size in question.  This flexibility is why logos
> are normally created as vector files; the same vector graphic source
> file can be used to make matchbook covers and billboards.
>
> https://inkscape.org/en/download/mac-os/
>
> http://graphicssoft.about.com/od/inkscape/ss/Export.htm
>
> Hopefully this will get the job done.
>
> :o)
>
> > Any help much appreciated.
> >
> > By the way, I’d prefer someone in my own time zone in Eastern Australia
> > (GMT +
> > 10 hours) if possible.
> >
> > Cheers
>
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