[Clipart] [Bug 3347] PNG files not optimized

Dan Gerhards dan at seansastronomyshop.com
Fri Jul 14 16:36:21 PDT 2006


An SVG file can stay the same size, and you can lose data anyway. A coordinate 
in the large file may be 3.4218, and in the small file, 0.0034. The same 
number of characters are used, so the file is the same size. However, 
precision is lost.

---Dan

On Friday 14 July 2006 9:51 am, Patricia wrote:
> (Sorry I write directly to the list too because freedesktop is again
> down...)
>
> Hi Jonas,
> I don't know but for me vectors images lost anything...
> For example, if you save a vector image in 8000x8000 px, it will be the
> same size than 80x80 px or 5x5px...
> Patricia
>
> Jonas Stein a écrit :
> >> We may ask people to upload only SVG files with 80px of large.
> >> -> less work for us with thumbnails, PNG files...
> >> -> no implementation of library or tool during upload...
> >> (my answer is in bug 3225 and 3347, if everybody is OK, we may closed
> >> this old discussion from 2005)
> >
> > I think there is some loss of data then. IMHO Inkscape uses fixed length
> > realnumbers to descripe x/y coordinates of a point.
> > If you sample an image down from 8000x8000 px to 80x80 px there will be
> > some loss of information because of truncating the coordinates.
> > Or am i wrong?
>
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