[X3D-Public] Navigation > TURNTABLE

[doug sanden]

Herbert,
Very nice nav behavior. I like your ROTATE name too, although it may be not be specific enough now to differentiate from what might be a growing list of nav modes some of which do some sort of rotation. 
I have the same question also about our YAWPITCHZOOM nav mode, which is useful for spherical panoramas, but likely others have something similar under a friendlier name. Maybe SPHERE or SPHERICAL or PANORAMA? Should we rename?

Except for our own testing, I suspect scene authors are only specifying NONE,EXAMINE,WALK,FLY.ANY in scene files. The others users would typically choose through the browser interface at runtime, and as such renaming won't impact very many current scenes. But for named choices on the UI, it might be nice to coordinate the names as well for the sake of users.

For now, just coordinating on the TURNTABLE/ROTATE and YAWPITCHZOOM/PANORAMA/SPHERICAL names would help.

So I'd say yes, rename to TURNTABLE which seems more descriptive/specific (while still supporting scene files with ROTATE), and please let me know if there's a better name for YAWPITCHZOOM.

-Doug
more...


Here's freewrl's nav modes:
NONE
[ANY:]
EXAMINE
WALK
EXFLY (for 3D pointing device)
FLY (uses keyboard keys to do 6DOF motions)
YAWPITCHZOOM - for spherical panoramas, NONE + 2 rotations + right button drag for zoom
TURNTABLE 
TILT - mobile device pitch button (yaw is in walk)
TPLANE - mobile device translate up/down left/right (for/back is in walk)
RPLANE - mobile device rotate about Z

more..
If we synchronize names, one idea is to internally have a lookup table to go from previous names -also perhaps from other browsers equivalents- to new coordinated names, so scenes already authored run as expected, although when "ANY" the user may see only new names/choices on the UI. 

Other options:
a. users alter their old scenes when switching browsers
b. user enters lookup table for nav modes in UI / program settings for each browser
c. x3d specs add scriptable navigation modes for scene authors to customize/articulate the exact navigation behavior they want
c.i browser developers provide a non-scene way to script navigation names and behaviors
d. browser developers submit their most popular nav modes to specs, for coordination and inclusion in specs and uniform behaviour across x3d browsers
e. browser developers coordinate informally to share nav mode behavior and names, and decide among themselves

This last one e. I think makes sense in the sort run, and could lead to d if necessary. We have a good start on e. 

When doing mobile for devices with only single finger touches and drags available, I found I needed more nav buttons. Some mobile have 2 finger drags - good for some rotation and zoom, and some have tilt sensors good for more sophisticated mapping to motion.

________________________________
> Date: Thu, 24 Apr 2014 11:26:39 +0200 
> From: herbert.stocker at bitmanagement.de 
> To: x3d-public at web3d.org 
> Subject: Re: [X3D-Public] Navigation> TURNTABLE 
> 
> Hi, 
> 
> BS Contact also has such a navigation mode now. (Maybe it's not yet in 
> BS Contact Geo or BS Contact Stereo, 
> but it will be there with the next updates). We called it ROTATE, in 
> lack of a better idea, but TURNTABLE seams 
> a more reasonable name to me. 
> 
> Like TURNTABLE, our ROTATE mode is also similar to EXAMINE while 
> keeping the viewer upright. 
> We use the mouse wheel to zoom in and out. In both modi, EXAMINE and 
> ROTATE, we made it so that using 
> the wheel keeps the point under the cursor to stay there, similar to 
> Google Maps. In other words, you are 
> zooming towards the object you are pointing to. 
> 
> Pressing Ctrl while doing a drag temporarily turns both modi into a 
> slide operation, where one can grab the 
> object and move it sidewards, for example to correct if it's off-center. 
> 
> Now my question is, should we rename our mode from ROTATE to TURNTABLE, 
> in order to be consistent with 
> these two implementations? 
> 
> 
> best regards, 
> 
> i. A. Herbert Stocker 
> 
> 
> 
> 
> On 23.04.2014 19:33, doug sanden wrote: 
> 
> In the latest release, Freewrlians implemented a TURNTABLE navigation mode as someone mentioned X3Dom doing. Similar to Examine, but keeps the viewer upright and allows right-mouse-button-drag to move in/out. press 't' 
> -Doug 
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