[x3d-public] Proposed new Profile

[Leonard Daly]

The existing X3D profiles were designed for run-time environments. Since 
those original definitions, the marketplace has changed. There is need 
of an open, standardized formats for models that supports conversion to 
and from existing formats such as FBX, OBJ, glTF, and others. There are 
some tools that do that conversion, but tend to be expensive or limited 
in capability. To address this hole in the 3D eco-system, I am proposing 
new profiles to handle the archive storage for models. The first 
proposal is for static models. These are models without articulation, 
joints, sliders, etc. The profile supports the way models are built in 
the industrial/professional world of games, entertainment, CAD, and 
medical -- at least to the best of my understanding.

The collection of nodes handles output functionality from Maya and 
Blender plus other tools. It includes some advanced structures such as 
NURBS, CAD, and Volume; and does not include simple structures as simple 
geometry (Box, Sphere, etc.). I looked at what the tools output and 
could not find instances where simple structures were exported. This 
allows important features of the model (e.g., a NURBS surface) to exist 
and triangulation to happen later in the process.

The details are at 
http://realism.com/blog/proposed-x3d-profile-static-model. The post 
includes a list of included nodes sorted by their profile.

-- 
*Leonard Daly*
3D Systems & Cloud Consultant
LA ACM SIGGRAPH Past Chair
President, Daly Realism - /Creating the Future/
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