[x3d-public] Mac-unaware PageUp/PageDown, Viewpoint list, navigation keys?

[GPU Group]

Mobile similar - touch screen (keyboard / function keys not convenient), no
RMB (touch is LMB)
Solution:
- touchable function menu
- isOver: a navigation mode just for isOvering when touching down
Mobile benefits:
- MultiTouch
-- can in theory do multiple simultaneous touches on a plane-sensor to get
a scale and/or rotation
-- can drag multiple objects in the scene simaltaneously
-Doug Sanden

On Wed, Jan 16, 2019 at 10:29 AM Brutzman, Donald (Don) (CIV) <
brutzman at nps.edu> wrote:

> First a personal confession: Mac enlightenment has never quite befallen
> upon me... please be forgiving!  8)
>
> Second: twice this week, when doing a demo and naively saying "oh just
> select PageDown or PageUp to navigate through the viewpoints," Mac users
> responded "oh now we don't have those keys on a Mac" and also "No I'd have
> to go find a mouse before being able to right-click for a viewpoint list."
>
> Question:  Really??!
>
> Next: does this mean our X3D Specification recommendations are flawed or
> insufficient for common practice?
>
> ==============================================
> X3D Architecture and base components
> Annex G Recommended navigation behaviours
>
> http://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/behaviours.html
>
> ==============================================
> G.2 Select from multiple viewpoints
>
> cube G.2 Select from multiple viewpoints
>
> User navigation in X3D environments includes definition of multiple
> viewpoints. Where the user is allowed to freely select between viewpoints,
> typical controls allow simple selection of:
>
>      Home (Initial) ViewPoint,
>      Last (Final) Viewpoint,
>      Next Viewpoint in Sequence, and
>      Previous Viewpoint in Sequence.
>
> This annex recommends using the following keys:
>
> HOME    Initial Viewpoint
> PGDN    Next Viewpoint
> PGUP    Previous Viewpoint
> END     Final Viewpoint
>
> ==============================================
> G.3 Emulate pointing device
>
> The pointing device is used to control navigation through the scene. Where
> the user is allowed to interact using the pointing device, typical controls
> allow up/down/right/left pointing device movement to control movement of
> the viewpoint.
> The objective is not to actually move the screen tracking cursor, but to
> allow navigation control as if the tracking cursor or pointer is moved
> under control of the pointing device.
>
> This annex recommends using the following (arrow) keys to emulate relative
> tracking pointer movement as follows:
>
> UP        Up
> DOWN      Down
> LEFT      Left
> RIGHT     Right
>
> Movement left/right/up/down refers to motion of the user's view while
> navigating.
>
> Activation of these keys causes movement of the viewpoint according to
> currently selected navigation type:
>
> WALK:      forward/backward/left/right
> FLY:       forward/backward/left/right
> EXAMINE:   orbit up/down/left/right around center of rotation
>             with camera pointed at center of rotation
>
> ==============================================
> G.4 Select or activate pointing device
>
> The pointing device is used to provide a means of selecting of a scene
> element. Where the user is allowed to use this, the following action is
> recommended: activate pointing device (left mouse click).
>
> This annex recommends using the following key:
>
> ENTER  Left Mouse Click
>
> ==============================================
> G.5 Disable/enable keyboard
>
> It is recommended that the browser provide a means for the author to
> enable and disable the keyboard.
>
> ==============================================
>
> 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
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>
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