On Fri, 15 May 2009 16:18:15 +0100
Chris Rodgers <christopher.rodg...@cardiov.ox.ac.uk> wrote:

| Hi,
| 
| I tried asking this on the magick-users list, but no-one replied. So I
| thought maybe it fitted the category "Usage questions which are too
| arcane for the normal user list should also be posted here" and would be
| suitable for this list... ;-)
| 
| I have a set of scanned JBIG2 files that I would like to convert into a PDF.
| 
| At the moment, I use
| 
| "convert -units PixelsPerInch -density 600 rawname.jbig -rotate -90
| output.pdf"
| 
| However, the PDF files that emerge from this seem to be much larger than
| the original JBIG2 images.
| 
| I know that PDF files can contain JBIG2 images. Is it possible to have
| the raw JBIG2 files wrapped into a PDF by ImageMagick without internal
| conversion to another bitmap format?
| 
Their will always be a mapping though an internal raster image by IM.
It is the nature of the beast.

however the format within the PDF can be controlled using the -compression
option.

See http://www.imagemagick.org/Usage/formats/#pdf
and look down to the table titled:  Postscript/PDF Output Options


  Anthony Thyssen ( System Programmer )    <a.thys...@griffith.edu.au>
 -----------------------------------------------------------------------------
         Two wrongs don't make a right,   but three lefts do.
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     Anthony's Home is his Castle     http://www.cit.gu.edu.au/~anthony/
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