[x3d-public] X3D Working Group call for Feb 7 2020

[GPU Group]

> 1) One should be able to implement custom navigation methods, e.g. by
scripting
- great idea and one I've thought about myself, but never implemented
-Doug


On Tue, Feb 4, 2020 at 9:02 PM GPU Group <gpugroup at gmail.com> wrote:

> > 1. Current 'standard' navigation methods, how do implementations differ?
> > 2. Current extensions, for example the TURNTABLE. Can they be put in
> spec?
> in freewrl, hit the ? button, then mouse over the menu bar to see the
> names of the menu buttons
> - anything you see that you like you can put in the spec - no patents and
> I'm a member of web3d.org
> > 3. What methods are usable for environments not mouse-driven , for
> example haptic devices; and mobile touchscreens,
> >
> A. touch screen
> I had freewrl running as an Android app, and worked up a desktop
> configuration to emulate that touchscreen style.
> There are a few things about touch screens:
> 1) no mouse over / isOver
> -- for that I put a HOVER mode button, that emulates a desktop mode of
> mouse xy motion with no buttons pressed
> 2) your finger might obscure the screen where you are trying to touch
> -- for that I made a PEDAL button that allows you to offset an in-scene
> cursor from your touch position
> 3) no RMB right mouse button to drag to adjust EXAMINE distance
> -- for that I made an explicit DIST button, so a touch drag (in Y
> direction) will adjust DIST for EXAMINE, TURNTABLE (and I think EXPLORE is
> in EXAMINE mode (you click the EXPLORE button 2x to put it into recenter
> mode)).
> 4) if a Sensor node is filling up your screen and you want to navigate
> away without touching the sensor, you need a way to temporarily turn off
> sensors. in desktop I think the standard is to press the SHIFT hey on the
> keyboard. For mobile - like Android- you might not have a keyboard handy
> without it taking up half your screen, so  in freewrl I put a SHIFT button
> on  the menu so a touch would toggle it.
> So in general, any RMB, mouse-up drag, keyboard reliance should be
> reworked for touch-screen.
>
> B. headset
> I also did a 'cardboard' stereo on Android with freewrl, using just the
> orientation sensor on the device, to change the avatar look angle. (but no
> position sensor). If someone sends me more sophisticated headsets, I'll see
> what I can get working.
>
> C. space mouse
> Something I didn't try: 3D positioning device / space mouse / 3dconnexion
> sometimes used for CAD. I haven't thought of how that would work.
>
> -Doug Sanden
>
>
> On Tue, Feb 4, 2020 at 4:01 PM Christoph Valentin <
> christoph.valentin at gmx.at> wrote:
>
>> May I suggest a few ideas, although I don't know whether they're new,
>> although I will not be able to contribute to their realization?
>>
>> 1) One should be able to implement custom navigation methods, e.g. by
>> scripting
>>
>> 2) one should be able to introduce a navigation method (or methods) as an
>> integral part(s) of an avatar
>>
>> 3) what is an avatar: an avatar consists of one or more dynamic models
>> that represent a virtual identity
>>
>> 4) a dynamic model is a model that can be loaded or unloaded on demand
>> during the lifetime of a multiuser session
>>
>> 5) one virtual identity can be related to one or more real identities
>> (users). In the latter case the virtual identity is called a "crew"
>>
>> Kind regards
>> Christoph
>>
>>
>>
>>
>> --
>> Diese Nachricht wurde von meinem Android Mobiltelefon mit GMX Mail
>> gesendet.
>> Am 04.02.20, 15:55 schrieb KShell Email <vmarchetti at kshell.com>:
>>>
>>> I propose a review of X3D navigation methods for the Feb 7 2020 X3D
>>> Working Group call. 11:00 AM EST, 8 AM PST, 16:00 UTC
>>>
>>> On Zoom: https://zoom.us/j/148206572
>>>
>>> Preliminary outline
>>>
>>> 1. Current 'standard' navigation methods, how do implementations differ?
>>> 2. Current extensions, for example the TURNTABLE. Can they be put in
>>> spec?
>>> 3. What methods are usable for environments not mouse-driven , for
>>> example haptic devices; and mobile touchscreens,
>>>
>>>
>>> All suggestions welcome
>>>
>>> Vince Marchetti
>>>
>>>
>>>
>>>
>>>
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>
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