ImageMagick is a set of command line utilities to modify, transform, and convert images. The utilities are available for all major OSes.

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How to install rmagick on Ubuntu 10.04?

Here's what I've done so far: sudo apt-get install imagemagick libmagickcore-dev This did not throw any errors, so I think that ImageMagick is installed fine. Then I tried installing the gem: sudo ...
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2answers
833 views

imagemagick “CONVERT” command finer points under Ubuntu 10.4

I'm struggling a little with the command line running imagemagick. I need to convert many .jpg files to many PDF files. Each PDF has one jpg contained inside. I fount lots of tutorials on how to ...
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5answers
10k views

How to install RMagick RubyGem on Mac OS X 10.6 Snow Leopard?

I am getting this error while trying to install RMagick: $ sudo gem install rmagick Building native extensions. This could take a while... ERROR: Error installing rmagick: ERROR: Failed to ...
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1answer
523 views

How can I set a minimum thumbnail size with ImageMagick?

I'm trying to create thumbnails of JPG photos using ImageMagick's convert tool. The thumbnails need to have a defined size (210x159), no blank areas, and the image can be cropped if necessary. ...
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1answer
3k views

Imagemagick convert with resample option

I am creating thumbnails from much larger images and have been using this command successfully for some time: convert FILE -resize "64x" -crop "64x64+0+16" +repage -strip OUTFILE I also do some ...
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2answers
4k views

Get the number of tiffs in a multi-tiff with command line ImageMagick?

Is there a way to get the number of tiffs in a multi-tiff with a command line utility in ImageMagick? What I want to to is to extract (split) the multi-tiff into single files. However if the tiff ...
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1answer
2k views

Imagemagick PDF to JPG conversion failing

I'm trying to convert the first page of a PDF to a JPG. I'm pretty sure I got this to work with certain PDFs, but is it really possible that certain PDFs are made incorrectly and cannot be converted? ...
0
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2answers
1k views

ImageMagick convert

convert is not working on the Linux server I am using $ convert exploss_stumps.jpg exploss_stumps.eps convert: missing an image filename `exploss_stumps.eps' @ convert.c/ConvertImageCommand/2838 ...
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5answers
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Is there a server-side video manipulation software?

I'm looking for a hosted or self-hosted solution that will allow me to manipulate video files that are uploaded to a server by an end-user. Does anyone know of any solutions - open source or ...
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2answers
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Cannot run 'display' after ImageMagick install on Ubuntu

I'm trying to install ImageMagick to my Ubuntu box. I've run the following command: sudo aptitude install imagemagick Now whenever I try to run 'display' from the command line, I get an error ...
0
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2answers
3k views

Trying to install Rmagick on Debian

One of things you need to do to get Rmagick installed apt-get install libmagick9-dev When I try that I get the following errors Reading package lists... Done Building dependency tree... Done Some ...
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2answers
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XAMPP + Windows 7 + ImageMagick = Impossible?

For some reason, over the past year I have tried to install imagemagick on my windows 7 machine running with XAMPP server (a LAMP package for windows) and I have failed every single try to the point ...
4
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1answer
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ImageMagick - Replace the transparent part of a GIF with a solid colour?

I have a GIF file that has a transparent section. I want to replace that with just plain white (or some other colour), so that there is no transparent parts. Can I do this on the command line with ...
1
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1answer
5k views

ImageMagick's 'convert' won't set resolution?

I'm trying to create an image using imagemagick's "convert". I have this command: convert -size 720x480 xc:white -units pixelsperinch -density 81x72 foo.jpg However, the image ends up with a ...
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1answer
95 views

Execute command on a pair of files

Context :I've scanned a lot of old pictures, that have writing on the back. Using imagemagick, I can append the front and back of the picture like this : montage out20.jpg out21.jpg -gravity center ...
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6answers
21k views

How to merge pdf:s using Imagemagick (resolution problem)

When I try to merge two .pdf files using Imagemagick convert pdf1.pdf pdf2.pdf temp.pdf the resulting temp.pdf file seems to have very low resolution. How can I keep the resolution same as in the ...
2
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3answers
1k views

Imagemagick, Snow Leopard and PDF Conversion

Having difficulties with Imagemagick and Snow Leopard. Imagemagick was installed using the install script from here here. Everything builds and installs correctly. Imagemagick behave normally for ...