[x3d-public] X3D working group minutes, 9 JAN 2020: naming of hidden field

Andreas Plesch andreasplesch at gmail.com
Mon Jan 13 08:13:52 PST 2020

Don, thanks for keeping an open mind and a willingness to revise.

Two notes. Castle and x3dom use 'render' as field name, and Holger had
also suggested using a positive field name.

links to ~Viewport~, somehow.

Here is a working link:


Not sure if listing a viewpoint description in the ui is similar
enough to rendering a shape to require the same naming of the fields.
But 'displayed' would be an option. 'visible' is another suggestion,
'shown' would be shorter, 'show' even shorter.

Previous discussion in the December archive:

Holger's comment:

On Mon, Jan 13, 2020 at 9:45 AM Don Brutzman <brutzman at nps.edu> wrote:
> On 1/12/2020 6:47 PM, Andreas Plesch wrote:
> > Please consider recasting the 'hidden'  field in a positive sense, for example as 'render'. A false default value is unexpected and a double negative can be confusing.
> >
> > TODO: add hidden field to X3DGroupingNode nodes
> Great suggestion.  Another candidate field name that would match ViewpointGroup is 'displayed'.  Whatever we choose, let's please make them match.
> * https://www.web3d.org/x3d/tooltips/X3dTooltips.html#ViewpointGroup.displayed
> Crossed mails, i just implemented 'hidden' over the weekend - no worries, your suggestion can be easily applied.  There are a few other object-model refinements to apply as well.
> Comments prior to Friday's call please everyone, we will decide then.
> 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

Andreas Plesch
Waltham, MA 02453

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