[x3d-public] support coverage: X3D Node Inventory Comparison update

[Brutzman, Donald (Don) (CIV)]

Improved spreadsheet now available: includes a bookmark index, additions to X_ITE capabilities, and added links to relevant reference pages.

* X3D Node Inventory Comparison (.pdf) shows implementation coverage of the X3D Abstract Specification:
         Validation using X3D Schema, X3D DOCTYPE, and X3D Schematron;
         X3D Tooltips and VRML97 node sets; plus
         Selected open-source implementations: X3D-Edit, X3DOM, X_ITE, view3dscene (Castle Game Engine), Xj3D.

https://www.web3d.org/specifications/X3dNodeInventoryComparison.xlsx
https://www.web3d.org/specifications/X3dNodeInventoryComparison.pdf

Browser statistics:

Supported nodes and statements:

Total	X_ITE	FreeWRL	Castle	X3DOM	Instant	Xj3D	X3D-Edit
    	94%	97%	57%	68%	78%	68%	87%
253	238	245	144	171	197	172	219

These will continue to change, will be adding Projective Texture Mapping (PTM) coverage soon.

All corrections/improvements/updates welcome.  Have fun with X3D!  8)

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 graphics, virtual worlds, navy robotics http://faculty.nps.edu/brutzman