Legacy ImageMagick Discussions Archive

Thanks once again!!!
I wish I could learn more about IM....It seems I have lots to read!

Thanks a lot!!
That really worked fine!

Just two more questions...

if I use -thumbnail 260 I should use -define jpeg:size=512...But what if I use -thumbnail 194? Should I use 256 or 512 again?

Is there any way of speed it up? As I use this command in a while loop, it converts lots of images and ...

Good evening!
I'm new here so, first of all, thanks for ImageMagick!!

I'm using it in my Kindle Touch (Version: ImageMagick 6.6.9-5 2012-07-17 Q16 http://www.imagemagick.org) to resize some images.
It works really fine but I encountered a problem with big images (~9Mb).
I use this command:
convert ...