Martin - are your JPEG2000 files in .jpx or .jp2 format? Do you know
whether they use any of the non-baseline functionality?
The issue is that PDF supports a very specific "profile" of JPEG2000 and
so it may not be possible to just "stream it out"...
Leonard
On 8/2/11 2:51 PM, "mschwartzman" <
[hidden email]> wrote:
>I am not able to create a Geospatial PDF using a JPEG2000 image larger
>than
>about 200MB. This is a big problem because most of the required images
>that
>we work with are 1GB or greater. Currently when trying to create a GeoPDF
>with an JPX greater than about 200MB I get an JVM OutOfMemoryError in
>32bit
>java version "1.6.0_20" and the 32 bit version of JBOSS 5.1.0.GA on
>Windows
>XP Pro x64 version 2003 Service Pack 2. With JAVA_OPTS=%JAVA_OPTS%
>-Xms128m
>-Xmx512m -XX:MaxPermSize=256m and a modified version of the itextpdf-5.0.7
>Java PDF library. I have not tried the latest itextpdf-5.1.1 yet but I
>have
>looked at the source and the image creation part does not seem to have
>changed. Yes, I will try 64bit Java as soon as I can. However, many of our
>customers are still using the 32bit version so upgrading all of them might
>be painful. My thoughts on how to handle a large JEPG2000 file is simply
>to
>compose all parts of the PDF first (header, etc.) with a handle to where
>the
>byte stream of the image will go and when it¹s time to write the PDF,
>stream
>the JPX image at that time so that at no time will you have to keep the
>entire image in JVM Heap. Please let me know if you think this is a viable
>solution and or what your ideas on the subject are.
>
>Thanks,
>
>Martin
>
>
>
>--
>View this message in context:
>
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>Sent from the iText - General mailing list archive at Nabble.com.
>
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