Hi Mick,
As much as I like GIMP, there may be an easier/faster way...
use jpegtopnm, pnmtopng, and cut. should look something like...
for f in *.jpg; do jpegtopnm $f > /tmp/tmp.pnm; pnmtopng /tmp/tmp.pnm > `ls $f | cut
-f 1 -d "."`.png; done
not tested and I'm a little rusty but i processed
On Thu, Jan 25, 2001 at 01:39:13PM +1000, Mick Raynes <[EMAIL PROTECTED]> wrote:
> Can anyone offer us assistance with converting/saving a jpg image as png?
Use ImageMagick, either from the comamndlien or from perl:
$ mogrify -format png -geometry 100x100 *.jpg
creates png thumbnail files from
You may want to have a look at:
http://www.daemonnews.org/24/managing.html
This is a very nice tutorial on how to convert jpeg to gif thumbnails from
the command line -- hence can be scripted.
On Thu, 25 Jan 2001, Mick Raynes wrote:
> Can anyone offer us assistance with converting/saving
On Thu, 25 Jan 2001, Mick Raynes wrote:
> Thanks Andrew. With indexing we can reduce them to around 70kb? Any other
> suggestions then for compression of those images to around 30kb which we can
> use the gd library or imagemagick to convert to thumbnails?
You can reduce them quite a bit by c
]]
~~Sent: Thursday, 25 January 2001 2:17 PM
~~To: Mick Raynes
~~Cc: '[EMAIL PROTECTED]'
~~Subject: Re: Lame assistance with PNG Compression
~~
~~
~~
~~On Thu, 25 Jan 2001, Mick Raynes wrote:
~~
~~> cameras with different settings. Our aim would be to
~~reduce the original
~~> jpg
On Thu, 25 Jan 2001, Mick Raynes wrote:
> cameras with different settings. Our aim would be to reduce the original
> jpg 1000 by 1000 and 120kb (as an eg) to a png 500 by 500 and about 30kb.
> As an example we have posted an original jpg image on the net at
> www.tablelandsonline.net.au/_test/l
On Thu, Jan 25, 2001 at 01:39:13PM +1000, Mick Raynes wrote:
> Can anyone offer us assistance with converting/saving a jpg image as png?
>
> We have around 5000 images which come in at around 150kb each. We are
> hoping to convert the images to png because down the track we are hoping to
> conve
