Your message dated Mon, 22 Dec 2008 17:45:54 -0200
with message-id <[email protected]>
and subject line imagemagick: -crop fails on very large images
has caused the Debian Bug report #348812,
regarding imagemagick: -crop fails on very large images
to be marked as done.
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--
348812: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=348812
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: imagemagick
Version: 6:6.2.4.5-0.5
Severity: normal
I have a very large scanned image (5052x6599 pixels). I tried to crop
it using 'convert -crop', but on my machine (with 384M of RAM and 1G
of swap) all the data after pixel line 477 comes out as completely
black in the new image. Mysteriously, this does not seem happen on a
machine with 1G of RAM and 2G of swap, even though the ratio of the
additional memory is less than the additional size.
-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.14y
Locale: LANG=C, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Versions of packages imagemagick depends on:
ii libbz2-1.0 1.0.3-1 high-quality block-sorting file co
ii libc6 2.3.5-12 GNU C Library: Shared libraries an
ii libfreetype6 2.1.10-1 FreeType 2 font engine, shared lib
ii libice6 6.9.0.dfsg.1-3 Inter-Client Exchange library
ii libjasper-1.701-1 1.701.0-2 The JasPer JPEG-2000 runtime libra
ii libjpeg62 6b-11 The Independent JPEG Group's JPEG
ii liblcms1 1.13-1 Color management library
ii libmagick9 6:6.2.4.5-0.5 Image manipulation library
ii libpng12-0 1.2.8rel-5 PNG library - runtime
ii libsm6 6.9.0.dfsg.1-3 X Window System Session Management
ii libtiff4 3.7.4-1 Tag Image File Format (TIFF) libra
ii libx11-6 6.9.0.dfsg.1-3 X Window System protocol client li
ii libxext6 6.9.0.dfsg.1-3 X Window System miscellaneous exte
ii libxml2 2.6.23-1.1 GNOME XML library
ii zlib1g 1:1.2.3-9 compression library - runtime
imagemagick recommends no packages.
-- no debconf information
--- End Message ---
--- Begin Message ---
I ran 'convert -crop 576x510+250+450 big.jpg big-croped.jpg' where big.jpg is
5052x6599 () in a virtual machine with 185M of RAM and 149M of swap.
The crop works okey with 7:6.2.4.5.dfsg1-1
luciano
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