According to this page:
https://github.com/uclouvain/openjpeg
there must be a java wrapper
2016-10-02 18:51 GMT+02:00 Rahkonen Jukka (MML) <
jukka.rahko...@maanmittauslaitos.fi>:
> Hi,
>
>
> OpenJPEG is open source and it works quite nice with tiled JPEG2000
> images. Inspire images are such as well as NITF images so they are not
> uncommon at all. As a free alternative it would be fine. I am not sure how
> easy it would be to use from Java, on all platforms.
>
>
> -Jukka-
> ------------------------------
> Michaël Michaud wrote:
>
>
> Hi
>
>
> Thanks for clarification.
>
> Do you think that OpenJPEG would be a good alternative to ER-Mapper one
> for OpenJUMP ?
>
> Just curious as this is not my area of expertise.
>
>
> Michaël
>
> Le 02/10/2016 à 13:43, Rahkonen Jukka (MML) a écrit :
>
> Hi,
>
>
> There are millions different ways to organize the JPEG2000 code stream
> when it is written and that affects the reading side as well.
>
> Most important for OpenJPEG is that it must load a whole tile before it
> can process it. More clever drivers can handle tile parts by utilizing a
> systems called "precincts" but for OpenJPEG any bigger images should be
> written as tiled. Your sample images are written with Kakadu 6.4 SDK and
> with only one big tile. The option to use with Kakadu is Stiles. Tiled
> JPEG2000 is also required for Inspire compliant images. GDAL OpenJPEG
> driver has a special Inspire profile for writing Inspire compliant output.
>
>
> -Jukka Rahkonen-
>
>
> ------------------------------
> *Lähettäjä:* Michaël Michaud <m.michael.mich...@orange.fr>
> <m.michael.mich...@orange.fr>
> *Lähetetty:* 1. lokakuuta 2016 23:19
> *Vastaanottaja:* jump-pilot-devel@lists.sourceforge.net
> *Aihe:* Re: [JPP-Devel] jp2 driver
>
>
> Hi Jukka,
>
>
> Thanks for the reminder.
>
> I remembered ecw was usable on 32bits jvm only, but I did not remember for
> jp2000.
>
> What do you mean by OpenJPEG is good but the JPEG2000 file must have
> suitable "creation time" settings.
>
>
> Michaël
>
> Le 01/10/2016 à 19:20, Rahkonen Jukka (MML) a écrit :
>
> Hi,
>
>
> Without really testing, I guess that those images would work great through
> ECW/JP2 driver and binaries. This comment is in lib\native\ecw,jp2_support.
> txt.
>
>
> "ECW/JP2 support is realized via native libraries compiled from the ECW
> SDK 3.3 .
> As these have to be compiled for every platform the support is limited to
> platforms where the libraries are available.
> Currently included in OJ PLUS is support for the following combinations
>
> Linux (32bit/64bit) with Java (32bit/64bit)
> MacOSX with Java (32bit)
> Windows (XP - 8.1 [32bit/64bit]) with Java (32bit)
>
> NOTE: 64bit Java is currently _not_ supported on MacOSX and Windows."
>
>
> Generally, ECW/JPEG2000 by a company ER-Mapper/ERDAS/Hexagon, Kakadu by
> Kakadusoftware and MrSID/JPEG2000 by Lizardtech are good, non-free drivers.
> OpenJPEG is good too in the recent version but the JPEG2000 file must have
> suitable creation time settings. Jasper driver is useless, and OpenJPEG
> can eat memory if big JPEG2000 is written as one tile.
>
>
> If you can get the native ECW/JP2 to work in your system you should be
> happy.
>
>
> -Jukka Rahkonen-
>
>
>
>
>
> ------------------------------
> *Lähettäjä:* Giuseppe Aruta <giuseppe.ar...@gmail.com>
> <giuseppe.ar...@gmail.com>
> *Lähetetty:* 1. lokakuuta 2016 19:13
> *Vastaanottaja:* OpenJump develop and use
> *Aihe:* Re: [JPP-Devel] jp2 driver
>
> Note that I added Jp2 reader to rasterImageLayer framework.
> I tried with it too. The problems are the same and regarding 974, it runs
> out of memory (java.lang.OutOfMemoryError: Java heap space)
>
> 2016-10-01 18:09 GMT+02:00 Giuseppe Aruta <giuseppe.ar...@gmail.com>:
>
>> Hi Michael,
>> I did the tests on your files and had the same output. OJ uses JAI to
>> read jp2, eventually gdal if libs are installed into "native" folder.
>> I've never tried gdal: it might works as QGIS uses it
>> Peppe
>>
>> 2016-10-01 10:41 GMT+02:00 Michaël Michaud <m.michael.mich...@orange.fr>:
>>
>>> Hi jumpers,
>>>
>>> I've problems with image driver which does not read jp2 files correctly
>>>
>>> I put some images here :
>>> https://www.dropbox.com/sh/02kbw1biy6els4c/AADEcYAkuq6XW5czz
>>> 00ONj1La?dl=0
>>>
>>> - Image "test" found on the cloud is read correctly by OpenJUMP0
>>>
>>> - Image 44* are read by OpenJUMP but with a very poor resolution (and
>>> without referencing). It is read correctly by QGis
>>>
>>> - Image 974* freeze the application (QGis can read it)
>>>
>>> What are your experience with jp2 ? Someone to investigate ?
>>>
>>> Michaël
>>>
>>>
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>>
>>
>
>
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