[x3d-public] X3D minutes, 17 JAN 2020: X3Dv4 progress, rename hidden as visible, name types, Mantis issue resolution

[Andreas Plesch]

On Sat, Jan 18, 2020, 7:41 PM Joseph D Williams <joedwil at earthlink.net>
wrote:


>    - Ecmascript Scene Programming Interface.
>
>
>
> Otherwise known as ECMAScript language bindings for our X3D scene
> authoring interface (SAI).
>
I am trying out different names since this effort has a different focus
than the existing SAI.

This is more about construction or description, so SCI or SDI were other
attempts.

Andreas

Thanks for All,
>
> Joe
>
>
>
>
>
>
>
> *From: *Andreas Plesch <andreasplesch at gmail.com>
> *Sent: *Friday, January 17, 2020 12:16 PM
> *To: *X3D Graphics public mailing list <x3d-public at web3d.org>
> *Subject: *Re: [x3d-public] X3D minutes, 17 JAN 2020: X3Dv4
> progress,rename hidden as visible, name types, Mantis issue resolution
>
>
>
> A short response:
>
>
>
> > Date: Fri, 17 Jan 2020 09:34:32 -0800
>
> > From: Don Brutzman <brutzman at nps.edu>
>
> > To: X3D Graphics public mailing list <x3d-public at web3d.org>
>
> > Subject: [x3d-public] X3D minutes, 17 JAN 2020: X3Dv4 progress, rename
>
> >         hidden as visible, name types, Mantis issue resolution
>
>
>
> ...
>
> >         [x3d-public] TypeScript SAI (and ECMAScript API implementation)
>
> >
> https://web3d.org/pipermail/x3d-public_web3d.org/2020-January/011666.html
>
> >
>
> > Primary motivation: additional implementation of X3Dv4 in native
> JavaScript, usable in node.js (for example).
>
> >
>
> > No need to dwell on TypeScript from perspective of X3Dv4
> standardization, though possible motivator for Microsoft engagement with
> Web3D Consortium as well as ISO.
>
>
>
> Note that TypeScript may still be helpful in implementing a Ecmascript
>
> Scene Programming Interface.
>
>
>
> ...
>
> > 4.a. Mantis 1271: add hidden field to Shape
>
> >       https://www.web3d.org/member-only/mantis/view.php?id=1271
>
> >
>
> > Discussion:  see email thread from last week's minutes and the Mantis
> issue itself.
>
> >
>
> > Pending today: rename to "visible"?  Note change to CADAssembly.  Also
> need example scene.
>
> >
>
> > TODO: example models for testing implementations.
>
> >
>
> > Related: whether this has impact on X3DPickableNode.  Our immediate
> reaction is to confirm that we have formal prose that non-visible geometry
> is not pickable.
>
>
>
> Similar prose may be needed for collision detection, for example in walk
> mode.
>
>
>
> >
>
> > We agreed to proceed in this manner.  Once accomplished, this bug is
> left open that final implementation/evaluation in 2 browsers is needed.
>
> >
>
> > ------
>
> >
>
> > 5.b. Environment node for gamma correction - comments on mailing list,
> more to follow.  Nicholas tracking... looking at X3DOM capabilities that
> need to be elevated to X3Dv4 and multiple implementations.  Review by
> Michalis (wrt PBR), Andreas and Holger (X3DOM-X_ITE), Doug Sanden (FreeWrl)
> et al. is welcome.  Note overlap with web browser functionality, perhaps
> utility methods should be exposed in A3D SAI Browser class.
>
> >
>
> >
> https://www.web3d.org/mailman/private/x3d_web3d.org/2020-January/007790.html
>
>
>
> https://doc.x3dom.org/tutorials/lighting/gamma/index.html may be
>
> already referenced. Wondering what the overlap with web browser
>
> functionality may be ? Operating systems may have color management for
>
> monitor output control.
>
>
>
> x3dom now also has tone mapping
>
> (https://en.wikipedia.org/wiki/Tone_mapping), implemented in simple
>
> color mapping shaders:
>
>
>
>
> https://github.com/x3dom/x3dom/blob/b27bda43ee1662bb7cf3488d16051477a99d7601/src/shader/ShaderParts.js#L614
>
>
>
> Not sure though if there really is a standard set of such tone mapping
>
> operators.
>
>
>
> Andreas
>
> --
>
> Andreas Plesch
>
> Waltham, MA 02453
>
>
>
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