Funny you should ask....

Take a look at my book "3D User Interfaces with Java 3D" at
www.manning.com/barrilleaux.  It covers various approaches for mapping
2D mouse to 3D world, display, and object-relative coordinates, as
well as various ways to constrain such interactions.

--jon


> From: Randy Smith <[EMAIL PROTECTED]>
> Thu 2:49 PM
>
>  Subject:
>         Mouse-based rotation: different methods reviewed? Researched?
>
>
>
> We want the user to roll an object about its center using
> the mouse (no translation).  There are many ways to do
> this (e.g., the Java3D utility class MouseRotate encodes
> one possible scheme.)
>
> For our application certain ways of mapping mouse motion to
> object orientation may be better than others.  For example,
> we might well be happy if users could reach only a subspace
> of possible orientations.  Does anyone know of a book,
> article, web page, or other overview of various approaches?
>
> Is there a summary of the research that has been done on
> this problem?
>
> Thanks,
>
>         --Randy

--
__________________ JMB and Associates, Inc. ___________________
Jon Barrilleaux      3800 Lake Shore Ave.     Consulting for 3D
[EMAIL PROTECTED]       Oakland, CA 94610        Web Applications
510.444.0231 vox                                & Tech Industry
510.444.0231 fax       www.jmbaai.com                Management

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