[Live-demo] [udig-devel] uDig in OSGeoLive 6.0 without JAI

Angelos Tzotsos gcpp.kalxas at gmail.com
Wed Jul 25 17:29:50 PDT 2012


Hi Frank, all,

Can you please take a look here:
https://trac.osgeo.org/osgeo/changeset/8349

Comments?

Cheers,
Angelos

On 07/24/2012 11:04 AM, Frank Gasdorf wrote:
> Andrea,
> Absolutely agree, this would not work because of missing jars in
> classpath. I tried to find a way to give the eclipse launcher an
> external classpath but haven't found anything yet. Because of multiple
> classloaders there is no way to work with classpath settings. The RFC
> http://udig.refractions.net/confluence/display/UDIG/native+support+bundles+for+java+advanced+imaging
> would solve this because jai libs and natives are bundled and would
> not required jai in the JRE.
>
> HACK : What about making symbolic links from udig_home/jre to the
> open-jdk-7 installation files/folders and let the jai/imageio jars
> locally in the lib/ext folder. To make sure udig uses the right JRE
> set the launcher option "-vm" to the udig_home/jre path.
>
> All other options would require a new release and of course a finished
> RFC ;)  --> next release cycle of OSGeo Live is much more realistic
>
> BTW: Any news from Andrew about JAI/ImageIO Licensing and
> redistributing as a bundle (see RFC again)
>
>
> Cheers,
> Frank
>
>
>
>
>
>
> 2012/7/24 andrea antonello <andrea.antonello at gmail.com>:
>> [...]
>>
>>> I moved the jai binaries and jars into a custom folder under udig.
>>> Then I added this line on start of udig.sh, right under the gdal line:
>>>
>>> export LD_LIBRARY_PATH=LD_LIBRARY_PATH:/usr/lib/udig/jai/ext/
>> That would work for the native libs, but then you do not have the jars
>> in the classpath.
>> Also I am not sure if that then picks imageio-ext.
>>
>> I am afraid I am not following this discussion tightly, but the above
>> can't work in my opinion.
>>
>> Frank, you worked on this, do you have opinions about this?
>>
>> Andrea
>>
>>
>>
>>>
>>> 2. use a pure java implementation of uDig without JAI
>>>
>>>
>>> I am not keen to make a special copy of uDig just for the live dvd.
>>>
>>> The open ticket is here: https://trac.osgeo.org/osgeo/ticket/922
>>>
>>>
>>> Thoughts?
>>>
>>>
>>> You only mentioned JAI here; are you also looking at ImageIO and
>>> ImageIO-Ext?  Other projects such as Geomajas are more likely to conflict on
>>> the copy of ImageIO-Ext and GDAL used.
>>>
>>> I did not touch either ImageIO or GDAL, since udig seemed to open every file
>>> I tested just with JAI moved around.
>>>
>>> Jody
>>>
>>>
>>>
>>> _______________________________________________
>>> User-friendly Desktop Internet GIS (uDig)
>>> http://udig.refractions.net
>>> http://lists.refractions.net/mailman/listinfo/udig-devel
>>>
>>>
>>>
>>> --
>>> Angelos Tzotsos
>>> Remote Sensing Laboratory
>>> National Technical University of Athens
>>> http://users.ntua.gr/tzotsos
>>>
>>>
>>> _______________________________________________
>>> User-friendly Desktop Internet GIS (uDig)
>>> http://udig.refractions.net
>>> http://lists.refractions.net/mailman/listinfo/udig-devel
>>>
>> _______________________________________________
>> User-friendly Desktop Internet GIS (uDig)
>> http://udig.refractions.net
>> http://lists.refractions.net/mailman/listinfo/udig-devel
> _______________________________________________
> User-friendly Desktop Internet GIS (uDig)
> http://udig.refractions.net
> http://lists.refractions.net/mailman/listinfo/udig-devel
>


-- 
Angelos Tzotsos
Remote Sensing Laboratory
National Technical University of Athens
http://users.ntua.gr/tzotsos




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