[Fiware-miwi] Java lib for writing XML3D content?

Sami J sami.jylkka at cyberlightning.com
Fri Sep 27 08:03:50 CEST 2013


Hi Kristian,
and thank you for prompt reply.
I would be glad to check your Java EMF structure, so could you deliver it
to me? In implementation we have 2 approaches; 1. reading whole xml3D
content information directly from database and 2. reading references to
XML3D content stored in JSON format. Reading data from database is no
problem, it is already working and now we are creating XML3D content
creation functionality where ready java lib would be handy.

Best regards,
Sami


On Thu, Sep 26, 2013 at 2:16 PM, Kristian Sons <kristian.sons at dfki.de>wrote:

> Dear Sami,
>
> we have a Java EMF data structure for XML3D that we use for preprocessing
> and converting of scene. It has also good support for external references.
> However, it's an in-memory data structure and we never used it for
> performance critical stuff so we don't know how the performance is. It
> might be interesting because it's convenient and failure-proof. One could
> switch to a streaming API (SAX or StAX like) later.
>
> Also, I recommend to work with external references and to encode the
> geometry e.g. in JSON. There is Jackson [1] which is very convenient for
> JSON serialization. I think it has also a streaming API.
>
> Just contact me if you are interested in the EMF data structure.
>
> Best,
> Kristian
>
>
> [1] http://jackson.codehaus.org/
>
>
>
>  Hi,
>> Do you know if there is Java lib for writing XML3D content? We'd like to
>> use it in GeoServer W3DS module to create XML3D content based on data read
>> from database.
>>
>> Best regards,
>> Sami
>>
>
>
> --
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> Kristian Sons
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