[gdal-dev] GDAL, Kakadu 7 & JPIP Streaming

[Ari Jolma]

On 07/24/2012 02:21 PM, Duller, Michael wrote:
>
> GDAL Mailing List,
>
> I am wondering if anyone has had success JPIP streaming with GDAL & 
> Kakadu 7.
>
> We are looking to upgrade to Kakadu 7 (from 6.3.1) for the new UDP 
> capability.
>
> I have managed to get everything compiled, with the JPIP support 
> included, however when I stream imagery I get invalid data the current 
> region I am requesting. The data I get sent from the server seems to 
> be from an invalid region on the image, resulting in major artefacts.
>
> I believe this is due to changes in kdu_window, as mentioned in 
> jp2kakdataset.cpp, but I have extremely limited experience in 
> modifying the GDAL Source.
>
> The code changes I made are as explained here: 
> http://trac.osgeo.org/gdal/ticket/4575
>
> I have also uncommented line 59 (#define USE_JPIP).
>

Michael,

I'm the reporter of ticket #4575. I (we) have not tried GDAL with Kakadu 
with JPIP -  in fact JPIP is unknown to me but it looks interesting and 
probably would be very useful to us too.

Best regards,

Ari

> Any help would be much appreciated.
>
> Regards,
>
> *Michael Duller, Software Engineer, Goodrich ISR Systems
> *Malvern Hills Science Park, Geraldine Road, Malvern, WR14 3SZ, UK; 
> _www.goodrich.com <http://www.goodrich.com/>
> _Tel: +44 (0) 1684 899731; Fax: +44 (0) 1684 899 710; 
> Michael.Duller at goodrich.com <mailto:Michael.Duller at goodrich.com>
>
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