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mageMagick Image Thumbnail Generator
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Below is a listing of all currently available Media Filters, and what they actually do:
Name | Java Class | Function | Default input formats | Enabled by Default? | ||||
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HTML PDF Text Extractor |
| extracts the full text of HTML documents Adobe PDF documents (only if text-based or OCRed) for full text indexing. (Uses Swing's HTML Parser) | true | the Apache PDFBox tool) | Adobe PDF | yes | ||
HTML Text Extractor | JPEG Thumbnail
| JPEGFiltercreates thumbnail images of GIF, JPEG and PNG files | true | |||||
Branded Preview JPEG |
| creates a branded preview image for GIF, JPEG and PNG files | false | |||||
| extracts the full text of HTML documents for full text indexing. (Uses Swing's HTML Parser) | HTML, Text | yes | |||||
Word PDF Text Extractor |
| extracts the full text of Adobe PDF documents (only if text-based or OCRed) Microsoft Word or Plain Text documents for full text indexing. (Uses the Apache PDFBox tool) | true | "Microsoft Word Text Mining" tools.) See also PoiWordFilter, below. | Microsoft Word | yes | ||
Word XPDF Text Extractor |
| extracts the full text of Adobe PDF documents (only if text-based or OCRed) Microsoft Word and Microsoft Word XML documents for full text indexing. (Uses the XPDF command line tools available for Unix.) See XPDF Filter Configuration for details on installing/enabling. | false | Word "Apache POI" tools.) Disabled by default. Uncomment PoiWordFilter and comment WordFilter in dspace.cfg if you wish to use this one. | Microsoft Word, Microsoft Word XML | no | ||
Excel Text Extractor | org.dspace.app.mediafilter. | WordFilterExcelFilter | extracts the full text of Microsoft | Word or Plain TextExcel documents for full text indexing. (Uses the " | Microsoft Word Text MiningApache POI" tools.) | trueMicrosoft Excel, Microsoft Excel XML | yes | |
PowerPoint Text Extractor |
| extracts the full text of slides and notes in Microsoft PowerPoint and PowerPoint XML documents for full text indexing (Uses the Apache POI tools.)true | Microsoft Powerpoint, Microsoft Powerpoint XML | yes | ||||
PDFBox JPEG Thumbnail | org.dspace.app.mediafilter.PDFBoxThumbnail | creates thumbnail images of the first page of PDF files | Adobe PDF | yes | ||||
JPEG Thumbnail |
| creates thumbnail images of GIF, JPEG and PNG files | BMP, GIF, JPEG, image/png | yes | ||||
Branded Preview JPEG |
| creates a branded preview image for GIF, JPEG and PNG files | BMP, GIF, JPEG, image/png | no | ||||
ImageMagick Image Thumbnail Generator |
| uses Uses ImageMagick to generate thumbnails for image bitstreams. Requires installation of ImageMagick on your server. See ImageMagick Media Filters. | BMP, GIF, image/png, JPG, TIFF, JPEG, JPEG 2000 | nofalse | ||||
ImageMagick PDF Thumbnail Generator | org.dspace.app.mediafilter.ImageMagickPdfThumbnailFilter | uses Uses ImageMagick and Ghostscript to generate thumbnails for PDF bitstreams. Requires installation of ImageMagick and Ghostscript on your server. See ImageMagick Media Filters. | Adobe PDF | falseno |
Please note that the filter-media
script will automatically update the DSpace search index by default.
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Property | filter.org.dspace.app.mediafilter.publicPermission |
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Example Value | filter.org.dspace.app.mediafilter.publicPermission = JPEGFilter, XPDF2Thumbnail |
Informational Note | By default mediafilter derivatives / thumbnails inherit the same permissions of the parent bitstream, but you can override this, in case you want to make publicly accessible derivative / thumbnail content, typically the thumbnails of objects for the browse list. List the MediaFilter name's names that would get public accessible permissions. Any media filters not listed will instead inherit the permissions of the parent bitstream. |
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