[x3d-public] Suggestion for enhancement to X3DUOM; default accessType value for field statement

[Brutzman, Donald (Don) (CIV)]

On 4/11/2019 3:00 PM, John Carlson wrote:
> Provide a default accessType value for the field statement.   This will help us get pass accessType = None failures in Python.

Good suggestion.  However if we look at both X3D XML schema and X3D DTD, you can see that this value is required but no default is provided.

This means that the author must define what the right value is.

Motivation: field accessType is very powerful.  Silently inserting an incorrect value can easily lead to all manner of pathological problems that might be fiendishly hard to detect/decipher/sleuth and correct.

Recommended approach: if no field accessType is found in the X3D model, it is incorrect and needs to be reported as such.  Further compilation is undesirable, execution is not recommended.

> Also suggest that we create a kwargs loop in the constructors, so only actual keyword value that are there are pulled out of kwargs, and other values aren’t attempted. But I’m not sure it matters.

"creativity is punished"  :0

> What is a suggested default accessType that I can use as a work around?

see above

> Thanks,
> 
> John

likewise  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