Hi Pedro,
Just guessing, make sure you have the appropiate jpeg 2000 delegates
(encoders) on your image magick installation as some of them might not
be enabled/installed by default.
You can see the delegates list with this command.
$ convert -list configure
You can see a list of enabled decoders (r) / encoders (w) with this command.
$ convert -list format
Hope this helps,
--Gerard
El 19/10/16 a les 14:16, Pedro Amorim ha escrit:
Hello everyone,
I have been trying to generate thumbnails from JPEG 2000 files in
DSpace but have been unsuccessfull thus far.
*1) I have installed jai and jai_image
from http://data.opengeo.org/suite/jai/*
*2) Thumbnails from PDF and TIFF are working just fine*
*3) I have added JPEG 2000 bitstream format in DSpace as name 'JPEG
2000', mimetype 'image/jp2', known format and extension 'jp2'*
*4) This is my dspace.cfg file:*
plugin.named.org.dspace.app.mediafilter.FormatFilter = \
org.dspace.app.mediafilter.PDFFilter = PDF Text Extractor, \
org.dspace.app.mediafilter.HTMLFilter = HTML Text Extractor, \
org.dspace.app.mediafilter.WordFilter = Word Text Extractor, \
org.dspace.app.mediafilter.PowerPointFilter = PowerPoint Text
Extractor, \
org.dspace.app.mediafilter.JPEGFilter = JPEG Thumbnail, \
org.dspace.app.mediafilter.BrandedPreviewJPEGFilter = Branded
Preview JPEG, \
org.dspace.app.mediafilter.ImageMagickImageThumbnailFilter =
ImageMagick Image Thumbnail, \
org.dspace.app.mediafilter.ImageMagickPdfThumbnailFilter = ImageMagick
PDF Thumbnail
#Configure each filter's input format(s)
filter.org.dspace.app.mediafilter.PDFFilter.inputFormats = Adobe PDF
filter.org.dspace.app.mediafilter.HTMLFilter.inputFormats = HTML, Text
filter.org.dspace.app.mediafilter.WordFilter.inputFormats = Microsoft Word
filter.org.dspace.app.mediafilter.PowerPointFilter.inputFormats =
Microsoft Powerpoint, Microsoft Powerpoint XML
filter.org.dspace.app.mediafilter.JPEGFilter.inputFormats = BMP, GIF,
JPEG, image/png, image/tiff, TIFF
filter.org.dspace.app.mediafilter.BrandedPreviewJPEGFilter.inputFormats
= BMP, GIF, JPEG, image/png
filter.org.dspace.app.mediafilter.ImageMagickImageThumbnailFilter.inputFormats
= BMP, GIF, image/png, JPG, TIFF, JPEG, JPEG 2000
filter.org.dspace.app.mediafilter.ImageMagickPdfThumbnailFilter.inputFormats
= Adobe PDF
*5) The error displaying when I run the filter-media command
specifically for an handle with JPEG 2000 bitsream is as follows:*
org.im4java.core.CommandException: org.im4java.core.CommandException:
convert: no decode delegate for this image format `TMP' @
error/constitute.c/ReadImage/501.
org.im4java.core.CommandException: org.im4java.core.CommandException:
convert: no decode delegate for this image format `TMP' @
error/constitute.c/ReadImage/501.
at org.im4java.core.ImageCommand.run(ImageCommand.java:219)
at
org.dspace.app.mediafilter.ImageMagickThumbnailFilter.getThumbnailFile(ImageMagickThumbnailFilter.java:126)
at
org.dspace.app.mediafilter.ImageMagickImageThumbnailFilter.getDestinationStream(ImageMagickImageThumbnailFilter.java:37)
at
org.dspace.app.mediafilter.MediaFilterManager.processBitstream(MediaFilterManager.java:734)
at
org.dspace.app.mediafilter.MediaFilterManager.filterBitstream(MediaFilterManager.java:550)
....
Am I missing some other step? Haven't found real documentation on this.
Thank you,
Pedro Amorim
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Gerard Suades Méndez
Tècnic de Projectes
Consorci de Serveis Universitaris de Catalunya (CSUC)
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