Package: imagemagick
Version: 6:6.0.6.2-2.4
Severity: normal
File: /usr/bin/convert
Tags: upstream

I had to do this in two steps:
$ convert -trim a.ps a.png
$ convert -monochrome a.png a.png
as this made an empty image:
$ convert -monochrome -trim a.ps a.png
convert: geometry dimensions are zero `ribcage.ps'

Same happens with convert -resize 100x100 -trim .

I see, the only safe way to do it is one step at a time:
convert ribcage.ps ribcage.png
convert -trim ribcage.png ribcage.png
convert -monochrome ribcage.png ribcage.png
convert -resize 100 ribcage.png ribcage.png
convert -monochrome ribcage.png ribcage.png
with some steps indeed repeated.


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