Use of 3-D

14 Mar 2006 - 1:50pm
8 years ago
2 replies
436 reads
steveg72
2006

Hello,

Does anyone know of a good review of the pros and cons of using 3-d displays? In the case under consideration, the display will represent actual objects in the real world. The client prefers a 3D representation for it's "coolness" (which can have value for marketing); I tend to be skeptical of adding a simulated 3rd dimension unless it provides additional and useful information.

Thanks

Best regards,

Steve

Comments

14 Mar 2006 - 2:13pm
Mal
2005

Hi Steve,

>Does anyone know of a good review of the pros and cons of using 3-d displays? In the case under consideration, the display will represent actual objects in the real world. The client prefers a 3D representation for it's "coolness" (which can have value for marketing); I tend to be skeptical of adding a simulated 3rd dimension unless it provides additional and useful information.
>
>
I'm assuming that you are talking about interactive 3D displays, where
the "cool" 3D representation can be modified.

Interactive 3D will never match the visual quality of a photograph, or
video, so the benefits of the interactive version must be of enough
difference to justify the resources spent creating the app, or have
enough of a differentiator over just interactively showing 2D images of
the physical product.

Quick example...
Here is an example of a photo of a Merc.

http://img.drive.com.au/drive_images/Editorial/1999/10/11/11merc1.jpg

And an interactive 3D representation ( Shockwave )

http://www.candointeractive.com/demos/merc.htm

The visual quality of the lower of the lower interactive demo ( the
visuals could be improved btw ) is made up for by the interaction, and
the additional knowledge the user gets from being able to virtually
"touch" the object.

With regard to showing 2D information in 3D, to make it look cool,
that's slightly different.

Compare the link below with a Powerpoint presentation... similar
information can be displayed, but the use of 3D makes it more
engaging.... at least until enough people start using it, and it becomes
commonplace.

http://www.candointeractive.com/art/gallery/jmringuet/indexFullScreen.htm

Or, for showing around objects, Holo-graph style...

http://wave.prohosting.com/mcaine/gallery2/

As you can see, 3D can add the element of interactiveness, but can never
really match the quality of traditional photos etc. However, the fact
that the presentation becomes much more immersive due to the
interactiveness can outweigh visual quality in many cases.

Hope this helps ( and also gives some working examples )
Mal

14 Mar 2006 - 8:26pm
steveg72
2006

Alain and Mal,

Thanks for your comments and your clarification request. The "cool"
appellation is my client's not mine, and special glasses are not
needed.
I should have been more clear. What the client is considering is a 3D
projection of a physical space onto a 2D display (think of the "3D"
views often found in chess games).

The application is not a game nor is it immersive in the sense of
walking through a space. However, in its current design it will allow
a user to view the objects in a three dimensional space and to inquire
about and effect the behavior of those objects. I am sorry I can't be
more detailed.

I am well aware that there are individual differences in people's
ability to work with 3D projections, and that in many cases, such
representations can clutter the screen and interfere with work flow.
On the other hand, a 3-D representation can help in certain types of
interactive tasks that require spatial judgments or movements. The
application in question requires neither. I was wondering if anyone
knew of a good review paper on the subject.

Thanks,

Steve

On Mar 14, 2006, at 2:35 PM, Alain D. M. G. Vaillancourt wrote:

> Could you be more precise as to what you mean by a 3D display. Those
> who see it will have to wear special glasses?
>
> Alain Vaillancourt
>
> --- Steven Greenspan <steveg72 at mac.com> a écrit :
>
>> [Please voluntarily trim replies to include only relevant quoted
>> material.]
>>
>> Hello,
>>
>> Does anyone know of a good review of the pros and cons of using 3-d
>> displays? In the case under consideration, the display will
>> represent actual objects in the real world. The client prefers a 3D
>> representation for it's "coolness" (which can have value for
>> marketing); I tend to be skeptical of adding a simulated 3rd
>> dimension unless it provides additional and useful information.
>>
>> Thanks
>>
>> Best regards,
>>
>> Steve
>>
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