[x3d-public] Here's something worth tracking down Roy: Normal accompanying PointSet

Don Brutzman brutzman at nps.edu
Thu Oct 26 08:17:26 PDT 2017


Agreed regarding Normal accompanying PointSet in X3D v4.  Here is the work we did in that regard during CAD workshop in Web3D 2017 conference:

http://x3dgraphics.com/examples/X3dForAdvancedModeling/Scanning/X3dMeshDesignPatternIndex.html

including illustations of scene graph design pattern:

	http://x3dgraphics.com/examples/X3dForAdvancedModeling/Scanning/X3dMeshDesignPattern.png

 From model metadata: "Note that proposed design pattern for Normal inside PointSet or LineSet/IndexedLineSet is not allowed in X3D v3.3."

Detailed design-pattern notes:
http://x3dgraphics.com/examples/X3dForAdvancedModeling/Scanning/X3dMeshDesignPattern.txt


On 10/26/2017 7:49 AM, Nicholas Polys wrote:
> HI all~
> 
> this is important in geo processing pipelines since tools like meshlab can calculate normals on point clouds,
> so they should be legal in the standard IMO
> also
> 
> we NEED point properties or sprites for better visualization
> eg
> http://svn.xj3d.org/xj3d_code/trunk/parsetest/xj3d_extensions/pointsprites/
> 
> or ParticleSet
> 
> [...]
> 
> -- 
> Nicholas F. Polys, Ph.D.
> 
> Director of Visual Computing
> Virginia Tech Research Computing
> 
> Affiliate Professor
> Virginia Tech Department of Computer Science


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



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