On Monday 05 March 2007 10:03, Illtud Daniel wrote:
> Anthony Thyssen wrote:
> > What you are going does not make sense!
> >
> > First read in the image, then chop it correctly!
>
> Ah, OK. I'm used to unix switches being put before
> the command arguments. In fact, convert doesn't seem to
> mind at all if I put the chop switch before the
> filename argument (when I give the chop switch the correct
> width format). Actually, all of the examples on the command-line
> docmentation page are in the format:
>
> convert -transform -switches in.file out.file
>
> so I don't think you're correct.
>
> >    convert duc00014.jpg -chop 50x0+0+0 out.jpg
>
> [EMAIL PROTECTED] test]$ convert duc00014.jpg -chop 50 out.jpg
> convert: magick/cache.c:2383: GetNexus: Assertion
> `cache_info->number_views != 0UL' failed.
> Aborted
>
> My point, I suppose, is that the docs say:
>
> from http://www.imagemagick.com/www/command-line-options.html#chop
>
> > -chop width{%}
>
the docs says -chop width{%} and not -chop width(%)
you really may give "convert duc00014.jpg  -chop 50%  out.jpg" a try.
 
> ...and that chop doesn't seem to work using only a width argument,
> you need to give it widthx0. This I think is an error in the
> documentation. Agreed?

-- 
Ali 
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