[X3D-Public] Tourtelotte Thesis on X3D Earth globe construction
Christoph Valentin
christoph.valentin at gmx.at
Sun Oct 17 05:46:35 PDT 2010
Hello Don
A very interesting topic.
I would have got a humble question.
Will the provisioning of this data base be a centralized provisioning or a
distributed provisioning?
As some may know, I'm thinking about simulated railroads by X3D, and my
question would be:
Assume two countries A and B with two railroad operators, who use such
simulator for international trains moving from A to B or vice versa.
Would the X3D-Earth database be provided by
- railroad operator A
- railroad operator B
- both of them somehow "together"
- a third party
- everyone has an own copy of the whole data base
- etc.
Just I'm curious (I read that first interest is military interest, but I
wouldn't preclude non-military usage)
Kind regards
Christoph
>
> -------- Original-Nachricht --------
> Datum: Wed, 13 Oct 2010 07:49:23 -0700
> Von: Don Brutzman <brutzman at nps.edu>
> An: X3D Earth Working Group <x3d-earth at web3d.org>, X3D Graphics public
> mailing list <x3d-public at web3d.org>
> CC: "John S. Moore CIV OPNAV N61 NC1, 5, 5452" <John.S.Moore3 at navy.mil>,
> "Laura A. Moore" <Laura.A.Moore at nga.mil>, "CAPT Scot Miller USN Ret."
> <samille1 at nps.edu>, Dale Tourtelotte <drtourte at nps.edu>, Eric Frost
> <eric.frost at sdsu.edu>
> Betreff: [X3D-Public] Tourtelotte Thesis on X3D Earth globe construction
>
> Dale Tourtelotte is presenting his completed thesis today on
> the
> X3D Earth working group teleconference. Questions are welcome.
> We will discuss his accomplishments and multiple opportunities
> for future work.
>
> https://savage.nps.edu/Savage/documents/10Sep_Tourtelotte.pdf
> https://savage.nps.edu/Savage/documents/10Sep_TourtelotteSlides.ppt
>
> Tourtelotte, Dale, X3D-Earth: Full-Globe Coverage Utilizing Multiple
> Datasets,
> Masters Thesis, Naval Postgraduate School, Monterey California, September
> 2010.
> Second readers Byounghyun Yoo and Don McGregor.
>
> Abstract:
> U.S. Armed Forces are typically utilizing and paying for commercial
> proprietary licensed products to visualize geospatial scenes, which
> nevertheless are themselves derived from government-produced data. This
> is unsatisfactory. This thesis has developed an open-source, royalty-free
> method for generating full-coverage 3D globes using the Extensible 3D
> (X3D) Graphics International Standard. Specifically, this thesis designs
> and generates robust globe models developing an instance of full global
> coverage utilizing X3D-Earth. In order to show interoperability and
> “Mash up” capabilities, multiple formats are used, including
> DTED Level 0 and NGA-produced satellite imagery. Imagery and
> corresponding terrain datasets are preprocessed using image processing
> and terrain parsing software, creating the X3D-Earth quad-tree tiles into
> multiple level-of-detail (LOD) file archives. Finally, these pyramidal,
> locale scenes are grouped and connected to form an overall X3D-Earth
> globe. Preproces
>
> sing, processing and data storage are performed with the NPS Hamming
> Supercomputer. The result of this work is a methodology for generating
> X3D-Earth locales that is suitable for massive replication, optimization
> and reuse. Current results are promising and further work is warranted.
> The ultimate product is expected to further enable new tactical
> capabilities, provide direct end-user control of visualization-data
> pedigrees, and enable improved operational and navigational situational
> awareness for all deployed warfighters.
>
> all the best, Don
> --
> Don Brutzman Naval Postgraduate School, Code USW/Br
> brutzman at nps.edu
> Watkins 270 MOVES Institute, Monterey CA 93943-5000 USA
> +1.831.656.2149
> X3D, virtual worlds, underwater robots
> http://faculty.nps.edu/brutzman
>
>
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