Re: gEDA-user: improve PNG output quality

[Peter Clifton <pcjc2@xxxxxxxxx>]

On Mon, 2008-10-20 at 11:35 -0700, Ben Jackson wrote:
> On Mon, Oct 20, 2008 at 12:32:19PM +0100, Peter Clifton wrote:
> > 
> > If you then want a smaller size png, use gimp to scale it down, probably
> > picking the "Sinc (Lancoz3)" scaling function. That seems to preserve
> > thin lines quite well IIRC.
> 
> Make sure you convert from indexed to RGB first.  PNG supports both and
> the PCB exporter uses indexed.  If you scale without switching, the results
> will be atrocious.

Ok, I'm not sure if this applies to the PNGs exported by gschem or not,
but a good point none the less.

-- 
Peter Clifton

Electrical Engineering Division,
Engineering Department,
University of Cambridge,
9, JJ Thomson Avenue,
Cambridge
CB3 0FA

Tel: +44 (0)7729 980173 - (No signal in the lab!)



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