[Fiware-miwi] XML3D (<)-> reX EC mapping doc (Re: Hangout to discuss 3D-UI architecture)

Philipp Slusallek Philipp.Slusallek at dfki.de
Mon Jan 27 06:23:26 CET 2014


Hi,

Looks fine to me!

Best,

	Philipp

Am 24.01.2014 12:31, schrieb Torsten Spieldenner:
> Hello,
>
> I have now included the points Toni has sent earlier into the 3D UI
> Architecture description. It constitutes a new subsection in the "Main
> Interactions" chapter:
> http://forge.fi-ware.eu/plugins/mediawiki/wiki/fi-ware-private/index.php/FIWARE.ArchitectureDescription.MiWi.3D-UI#Mapping_Synchronization_GE_data_to_XML3D_objects
>
>   I have switched the direction of the mapping in the descriptions,
> where possible, as from the point of 3D UI, I rather see the need to map
> the provided EC model to something we can express in terms of the 3D UI
> principles.
>
> ~ Torsten
>
> Am 1/24/2014 9:49 AM, schrieb Christof Marti:
>> Hi
>>
>> Regarding the question what has to go to the Architecture and what to
>> the OpenSpecification.
>> The architecture should contain as much info to understand the
>> structure, the dependencies and how the things work and interoperate.
>> It also contains the introduction of the basic elements.
>>
>> The detailed format of the models and protocols, and listings of
>> attributes, values and types and mappings can then be in separate
>> documents, which are part of the Open Specification.
>>
>> Cheers
>> Christof
>>
>> Am 24.01.2014 um 09:14 schrieb Torsten Spieldenner
>> <torsten.spieldenner at dfki.de <mailto:torsten.spieldenner at dfki.de>>:
>>
>>> Hello,
>>>
>>> thank you very much for the mappings. I'll add those to the 3D UI
>>> Architecture page then and give a notice when I'm done so you can
>>> have a look.
>>>
>>> ~Torsten
>>>
>>>
>>> Am 1/24/2014 8:07 AM, schrieb Toni Alatalo:
>>>> As planned in the meeting yesterday, we’ll document the co-use of
>>>> the XML3D vocabulary (which is somewhat identical with the reX
>>>> components already) and the reX EC model — for the integrated use of
>>>> 3D-UI and Sync.
>>>>
>>>> I started a draft in a gdoc, is also pasted below:
>>>> https://docs.google.com/document/d/1OgU7hAatSAH3foGZ1ngWCv8xagyOlKkG8C5CQOQwExo/edit
>>>>
>>>> Torsten can perhaps take this forward towards integration to the
>>>> arch etc docs? IIRC Philipp also said he'll have some chances later
>>>> today or during the weekend (Christof needs this by Sunday to ship
>>>> on Monday - can and will of course be improved later but some sort
>>>> of first version). Feel free to either work on & comment in the gdoc
>>>> or move to the wiki suitably. I’m busy with other things till noon
>>>> now but can return to this in the afternoon (and Erno can check this
>>>> today too).
>>>>
>>>> ~Toni
>>>>
>>>> The scene model to integrate 3DUI & Synchronization
>>>>
>>>> To integrate 3D-UI with network synchronization an abstract scene
>>>> model is used in the client core. It is implemented as a Javascript
>>>> library and also provides the JS API for application developers to
>>>> create and manipulate the scene. It uses the realXtend
>>>> Entity-Component (reX EC for short) model, which is also used in the
>>>> network protocol and on the server when implementing networked
>>>> multi-user applications. The same API is used on the server side for
>>>> scene manipulations. Here we describe the mapping from the XML3D
>>>> structure and vocabulary to the realXtend scene model with entities,
>>>> components and attributes. In this description XML3D is in bolded
>>>> xml tags (e.g. <mesh>) and the reX EC mapping in Javascript in
>>>> italic (e.g. entity.mesh).
>>>>
>>>> 1.
>>>>     XML3D <group>elements are reX EC entities: entity
>>>> 2.
>>>>     XML3D elements inside a group, for example <mesh>and <light>,
>>>>     are corresponding reX EC components attached to the entity:
>>>>     entity.mesh, entity.light
>>>> 3.
>>>>     A single XML3D element without an encapsulating <group> is also
>>>>     a reX EC entity with the corresponding component. That is,
>>>>     <mesh>is same as <group><mesh/></group>: entity.mesh.
>>>> 4.
>>>>     XML3D <group transform=matrix>is mapped to the reX EC Placeable
>>>>     component which has the same transform matrix as the transform
>>>>     attribute correspondingly: entity.placeable.transform
>>>> 5.
>>>>     XML3D <view>elements are mapped to corresponding reX EC camera
>>>>     components: entity.camera. The camera for the view is
>>>>     automatically set as the active one (the scene can have multiple
>>>>     cameras simultaneously but only one can be used for one view).
>>>> 6.
>>>>     Hierarchical XML (nested tags) in XML3D is mapped to identical
>>>>     hierarchy of entities in reX EC. (implementation NOTE:
>>>>     hierarchical structure is not implemented in reX EC yet, current
>>>>     implementation of the mapping uses placeable parent reference
>>>>     attributes. This will change in coming releases)
>>>> 7.
>>>>     XML3D element attributes, for example <mesh src=x>, are mapped
>>>>     to the corresponding reX EC attributes: entity.mesh.meshRef.x.
>>>>     Harmonising the attribute names to have them the same everywhere
>>>>     is under consideration.
>>>> 8.
>>>>     XML element attributes unknown to the reX EC scene vocabulary
>>>>     (existing Tundra components) are mapped directly: <myelement
>>>>     myattr=x>is myentity.myattr.x. (implementation NOTE: proper
>>>>     implementation for arbitrary types in the networked system is
>>>>     not yet implemented).
>>>>
>>>>
>>>> The API to create, remove and listen for changes in the scene is
>>>> documented in the Synchronization GE docs.
>>>>
>>>> -----
>>>> 1) The client core (in WebTundra) uses it also when running in
>>>> standalone mode for single user applications, without using a server
>>>> and the Synchronization GE overall.
>>>> 2) This might actually currently require ent.mesh.meshRef.ref (with
>>>> that additional .ref at the end) due to using an AssetReference type
>>>> instead of just a string for the ref like in src - let’s consider
>>>> changing that
>>>>
>>>>
>>>> On 23 Jan 2014, at 15:01, Christof Marti <mach at zhaw.ch
>>>> <mailto:mach at zhaw.ch>> wrote:
>>>>
>>>>> Hi
>>>>>
>>>>> Here is the hangout link for the meeting:
>>>>> https://plus.google.com/hangouts/_/7acpjrv7f2be4bmhtjela651hk?hl=de
>>>>>
>>>>> Cheers Christof
>>>>>
>>>>> Am 23.01.2014 um 09:18 schrieb Marti Christof (mach) <mach at zhaw.ch
>>>>> <mailto:mach at zhaw.ch>>:
>>>>>
>>>>>> Thanks Toni
>>>>>>
>>>>>> It looks like today 14:00-15:00 is the best option. Would be great
>>>>>> if Philipp can join then too (Had no feedback so far).
>>>>>>
>>>>>> Best regards
>>>>>> Christof
>>>>>>
>>>>>> Am 22.01.2014 um 17:01 schrieb Toni Alatalo <toni at playsign.net
>>>>>> <mailto:toni at playsign.net>>:
>>>>>>
>>>>>>> A bit about the agenda: What prompted this to me now was reading
>>>>>>> our arch doc & 3DUI and Sync GE docs. I find the overall arch doc
>>>>>>> does an ok job for now for describing the whole, but the GE ones
>>>>>>> are from different worlds. They are both fine as themselves but
>>>>>>> don’t tell how they should work and be used together (which the
>>>>>>> arch doc does promise).
>>>>>>>
>>>>>>> The docs in question:
>>>>>>> Overall Arch:
>>>>>>> https://forge.fi-ware.eu/plugins/mediawiki/wiki/fi-ware-private/index.php/Advanced_Middleware_and_Web_UI_Architecture
>>>>>>> 3DUI GE:
>>>>>>> https://forge.fi-ware.eu/plugins/mediawiki/wiki/fi-ware-private/index.php/FIWARE.ArchitectureDescription.MiWi.3D-UI
>>>>>>> Sync GE:
>>>>>>> https://forge.fi-ware.eu/plugins/mediawiki/wiki/fi-ware-private/index.php/FIWARE.ArchitectureDescription.MiWi.Synchronization
>>>>>>>
>>>>>>> The question I think we should answer clearly for app developers
>>>>>>> is: what is the API one should use to develop an app for the
>>>>>>> overall arch.
>>>>>>>
>>>>>>> I’ll post separate notes about the meet we had last Thu about
>>>>>>> xml3d support in WebTundra in general & especially how net sync
>>>>>>> of xml3d data is planned to work there — have the notes about it
>>>>>>> on paper now but need to type it, either later this evening or
>>>>>>> tomorrow before this session. It is a bit a different topic but
>>>>>>> closely related.
>>>>>>>
>>>>>>> Cheers,
>>>>>>> ~Toni
>>>>>>>
>>>>>>> On 22 Jan 2014, at 14:51, Christof Marti <mach at zhaw.ch
>>>>>>> <mailto:mach at zhaw.ch>> wrote:
>>>>>>>
>>>>>>>> Hi
>>>>>>>>
>>>>>>>> At the meeting a short hangout dedicated to discuss the common
>>>>>>>> 3D-UI architecture description was requested.
>>>>>>>> It has to be quite short notice because we also have to update
>>>>>>>> the page until Friday.
>>>>>>>> I prepared a doodle containing dates for today and tomorrow:
>>>>>>>> http://www.doodle.com/9gzbu6ggyiit3a6z
>>>>>>>>
>>>>>>>> Please register your availability asap, if you are involved in
>>>>>>>> the 3D-UI GE architecture.
>>>>>>>> If no time-slot fits for you please let me know.
>>>>>>>>
>>>>>>>> Christof
>>>>>>>> ----
>>>>>>>> InIT Cloud Computing Lab - ICCLab http://cloudcomp.ch
>>>>>>>> <http://cloudcomp.ch/>
>>>>>>>> Institut of Applied Information Technology - InIT
>>>>>>>> Zurich University of Applied Sciences - ZHAW
>>>>>>>> School of Engineering
>>>>>>>> Phone: +41 58 934 70 63
>>>>>>>> Skype: christof-marti
>>>>>>>> _______________________________________________
>>>>>>>> Fiware-miwi mailing list
>>>>>>>> Fiware-miwi at lists.fi-ware.eu <mailto:Fiware-miwi at lists.fi-ware.eu>
>>>>>>>> https://lists.fi-ware.eu/listinfo/fiware-miwi
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Fiware-miwi mailing list
>>>>>>> Fiware-miwi at lists.fi-ware.eu <mailto:Fiware-miwi at lists.fi-ware.eu>
>>>>>>> https://lists.fi-ware.eu/listinfo/fiware-miwi
>>>>>>
>>>>>> _______________________________________________
>>>>>> Fiware-miwi mailing list
>>>>>> Fiware-miwi at lists.fi-ware.eu <mailto:Fiware-miwi at lists.fi-ware.eu>
>>>>>> https://lists.fi-ware.eu/listinfo/fiware-miwi
>>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Fiware-miwi mailing list
>>>> Fiware-miwi at lists.fi-ware.eu
>>>> https://lists.fi-ware.eu/listinfo/fiware-miwi
>>>
>>> _______________________________________________
>>> Fiware-miwi mailing list
>>> Fiware-miwi at lists.fi-ware.eu <mailto:Fiware-miwi at lists.fi-ware.eu>
>>> https://lists.fi-ware.eu/listinfo/fiware-miwi
>>
>
>
>
> _______________________________________________
> Fiware-miwi mailing list
> Fiware-miwi at lists.fi-ware.eu
> https://lists.fi-ware.eu/listinfo/fiware-miwi
>


-- 

-------------------------------------------------------------------------
Deutsches Forschungszentrum für Künstliche Intelligenz (DFKI) GmbH
Trippstadter Strasse 122, D-67663 Kaiserslautern

Geschäftsführung:
   Prof. Dr. Dr. h.c. mult. Wolfgang Wahlster (Vorsitzender)
   Dr. Walter Olthoff
Vorsitzender des Aufsichtsrats:
   Prof. Dr. h.c. Hans A. Aukes

Sitz der Gesellschaft: Kaiserslautern (HRB 2313)
USt-Id.Nr.: DE 148646973, Steuernummer:  19/673/0060/3
---------------------------------------------------------------------------
-------------- next part --------------
A non-text attachment was scrubbed...
Name: slusallek.vcf
Type: text/x-vcard
Size: 441 bytes
Desc: not available
URL: <https://lists.fiware.org/private/fiware-miwi/attachments/20140127/7ba9f87d/attachment.vcf>


More information about the Fiware-miwi mailing list

You can get more information about our cookies and privacy policies clicking on the following links: Privacy policy   Cookies policy