[x3d-public] Here's something worth tracking down Roy

[John Carlson]

Okay, would it be okay to move normal up to X3DGeometryNode from  X3DComposedGeometryNode?  Or move PointSet and IndexedLineSet down to X3DComposedGeometryNode children?  Or do we need another choice for geometry nodes? Or? I have no clue, myself, I don’t work with this type of data.

John

Sent from Mail for Windows 10

From: Nicholas Polys
Sent: Thursday, October 26, 2017 10:49 AM
To: John Carlson; Cad3D working group
Cc: Roy Walmsley; Don Brutzman; x3d-public at web3d.org
Subject: Re: [x3d-public] Here's something worth tracking down Roy

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

On Thu, Oct 26, 2017 at 10:04 AM, John Carlson <yottzumm at gmail.com> wrote:
Everit validator, Roy’s schema:
 
json-schema 3.3 Validation error org.everit.json.schema.ValidationException: #/X3D/Scene/-children/0/Group/-children/0/Switch/-children/0/Shape/-geometry/PointSet: extraneous key [-normal] is not permitted C:/x3d-code/www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/Scanning/X3dMeshDesignPattern.json
json-schema 3.3 Validation error org.everit.json.schema.ValidationException: #/X3D/Scene/-children/0/Group/-children/0/Switch/-children/1/Shape/-geometry/IndexedLineSet: extraneous key [-normal] is not permitted C:/x3d-code/www.web3d.org/x3d/content/examples/X3dForAdvancedModeling/Scanning/X3dMeshDesignPattern.json
 
Ajv reports nothing for Roy’s schema (bug?).
 
 
 
-normal is not allowed in V3.3 for PointSet or IndexedLineSet, I think.  They aren’t X3DComposedGeometryNode’s, and X3DGeometryNode doesn’t have normal in the object model.  Change the object model or the standard.
 
I doubt if points and lines have normals, so it’s likely the example is wrong, and roy’s schema is right.  If they are getting normals.  I will report an Ajv bug.
 
John
 
 

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-- 
Nicholas F. Polys, Ph.D.

Director of Visual Computing 
Virginia Tech Research Computing 

Affiliate Professor
Virginia Tech Department of Computer Science

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