[OSGeo-Discuss] Augmented Reality working group?

[Allan Doyle]

On Oct 16, 2006, at 08:47, ian wrote:

> Ola,
>
>>
>> Just some remarks on OGC Web Services and 3D: the approach with the
>> highest probability of becoming an OGC standard is Web Terrain  
>> Service,
> Could you explain this statement.Why is this so?

The highest probability of becoming an OGC standard != highest  
probability of becoming a general 3D standard.

Also, WTS in OGC is a viewing spec, like WMS but you can specify look  
angles, etc. It does not return data, facets, or triangles.

	Allan

>
> On the standards side there is X3D[1] from the Web3D Consortium,  
> and the
> standards which build on it: GeoVRML[2] for specifying large, outdoor
> scenes, and H-Anim[3] for humanoid animation.  X3D is the re- 
> working of
> VRML in XML, and while VRML has a bad rep for being inconsistently
> implemented, it still presents one of the lower barriers to entry  
> of the
> 3D standards.
> By using XML for 3D you also get access to the standard XML DOM for
> manipulations and animation (which can be good or bad, depending on
> your feelings about the DOM). More powerful scripting can be done with
> Python, which has python-visual (on Debian and derivatives)
>
> user at host:$apt-get install python-visual
>
> which is a 3D graphics module for Python.
> If you need to do 3D beyond what VPython provides,
> but you don't care about the XML aspect of SVG, there quite a  
> number of
> tools for 3D which have Python bindings.  The grand-daddy of them all
> is PyOpenGL[4], which gives you complete access to the native OpenGL
> API (an absolute beast, but it does the job).  The PyOpenGL project
> also has a subproject, OpenGLContext[5], which is a learning
> environment for OpenGL, much more accessible than raw OpenGL  
> (closer to
> VPython), and has a tool for importing VRML documents.
>
> Other 3D Libraries with Python bindings include VTK[6],
> CrystalSpace[7], Blender[8], and on the commercial front the Poser[9]
> character animation program (version 5) is scriptable with Python.
>
> There is also the H3D API, a GPL (open source) licensed software
> development platform for multi-sensory applications. H3D API uses X3D
> and OpenGL and is the only X3D engine which support Python  
> scripting as
> far as I know. [10]
>
> [1] Extensible 3D Graphics
> http://www.web3d.org/x3d.html
>
> [2] Geographical Data in VRML
> http://www.geovrml.org/
>
> [3] Specification for a standard humanoid
> http://www.h-anim.org/Specifications/H-Anim1.1/
>
> [4] The Python OpenGL Binding
> http://pyopengl.sourceforge.net/
>
> [5] A Learning Environment for PyOpenGL and Python 2.2.x
> http://pyopengl.sourceforge.net/context/index.html
>
> [6] The Visualization Toolkit
> http://www.vtk.org/
>
> [7] CrystalSpace game development kit
> http://crystal.sourceforge.net/drupal/
>
> [8] Blender 3D
> http://www.blender3d.com/
>
> [9] Poser 5 Character Animation Solution
> http://www.curiouslabs.com/
>
> [10] http://www.h3d.org/
> -- 
> Ian Lawrence
> Centre for Bioinformatics
> INSTITUTO NACIONAL DE PESQUISAS DA AMAZÔNIA-INPA
> RUA ANDRÉ ARAÚJO N º .2936 , BAIRRO DO ALEIXO
> MANAUS-AMAZONAS-BRAZIL
> Research Program in Biodiversity
> http://ppbio.inpa.gov.br
> PHONE: 055-92-3643-3358
> CEP. 69011 -970
>
> | Please do not send me documents in a closed
> | format.(*.doc,*.xls,*.ppt)
> | Use the open alternatives. (*.pdf,*.html,*.txt)
> http://www.gnu.org/philosophy/no-word-attachments.html
>
>
>>>> return [type for type in types if type not in types_to_exclude]
> If you can see the beauty, then Python got you
>
>
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-- 
Allan Doyle
+1.781.433.2695
adoyle at eogeo.org