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Overview of Dependencies

Most Islandora Solution Packs and some modules will require that you have one or more of the following dependencies installed so that Islandora Content Models can perform prescribed actions on your data objects. Review Chapter 5 - Islandora Solution Packs to see what dependencies are required for the solution packs you wish to install.

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ExifTool can be obtained from the project home page: http://www.sno.phy.queensu.ca/%7Ephil/exiftool/. Installation will differ depending on your operating system; please see the installation instructions for details.

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We recommend using ImageMagick version 6.7 and higher and the corresponding Ghostscript installation. You can download ImageMagick (and find installation instructions) on the Binary Release page: http://www.imagemagick.org/script/binary-releases.php.

Islandora Viewer

The Islandora Viewer is a JAVA application served up by Tomcat, which enables the viewing of web-based images and PDFs as a virtual document. It is required by the Large Image Solution Pack, Newspaper Solution Pack, and Book Solution Pack. The viewer provides zoom, scrolling and pagination capabilities.

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# Download the latest version of IIV from the  Release Notes and Downloads* page and extract the WAR files to the $CATALINA_HOME/webapps directory.

# Tomcat should automatically deploy the WAR file, but if it doesn't you can manually unzip the iiv folder from the war file using the "unzip" Unix command.

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This suite of Drupal modules is used primarily by the Audio Solution Pack. You can download if from the Drupal project page.

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JW Player is included in this package, but you need to download and install the library separately. You can get the latest JW Player library hereat http://www.longtailvideo.com/players/jw-flv-player/.

1. Install to /sites/all/libraries/mediaplayer-x.x (the name of the directory will depend on the version you install). 
2. Create a symlink to this directory in sites/all/modules called mediaplayer4. 

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Islandora currently uses Tesseract version 3.0, which can be obtained from the project home pagefrom  http://code.google.com/p/tesseract-ocr/. Installation will differ depending on your operating system; please see the ReadMe wiki http://code.google.com/p/tesseract-ocr/wiki/ReadMe for detailed instructions.

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A number of video conversion dependencies are required by the Video Solution Pack. Most of the conversion work is handled by FFmpeg, a complete, cross-platform solution to record, convert and stream audio and video. However, conversion to the Ogg Vorbis format requires ffmpeg2theora, libvorbis, libtheora, and libogg.

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