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Joanna McCaffrey
Posts:40
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| 09-05-2006 2:17 AM |
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Hello - I am tyring to use an image import script that uses ImageMagick to make some intermediate files, and have run into a problem with ImageMagick, primarily in getting JPG support. Why they would not put it into the main release is beyond me. Here is the scenario:
1)I download the standard Linux/Unix gzip package, unzip and tar the file, and follow the instrucitons for configuring, making and installing. All seems to go well
2) when running the following command:
convert -geometry 100x100 V0041861F.jpg V0041861F-thumb.jpg
I get a message
convert: no decode delegate for this image format `V0041861F.jpg'.
On this thread:
http://studio.imagemagick.org/discussion-server/viewtopic.php?p=16540
it says to 'make install-lib' - but there is no target for that in the Makefile. I did find a target for install-libLTLIBRARIES, so I tried that, but still no luck.
Does anyone have a fully functioning ImageMagick? What did you do to get it working?
Regards,
Joanna at FMNH |
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Alex Fell
Posts:6
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| 09-05-2006 3:17 AM |
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Hi Joanna,
The 'make install-lib' in the posts is referring to the libjpeg source, not ImageMagick. I think ImageMagick is failing on JPEG's because it can't find libjpeg at compile time - to fix this you need to install libjpeg (using both 'make install' and 'make install-lib' by the sounds of it), and then recompile ImageMagick, making sure that it appears to have found JPEG support in the output of './configure'.
I find that ImageMagick requires that many libraries to be fully functional (i.e. work with most image formats) that it's often easier to use a 'package' that would often be provided by the linux/unix distribution, rather than compile manually from source - what version of Linux/Unix are you running, and do you know if a package for ImageMagick exists?
Best Regards,
Alex |
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Brad Lickman
Posts:7
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| 09-05-2006 3:50 AM |
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Hi Alex/Joanna,
Joanna and I are trying to get the up2date package manager for redhat linux running properly on her system. This should solve the problems that Joanna is experiencing as up2date will install the package itself and any dependencies that go with it.
Brad |
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