Since I have not seen any response to this mail, I will give my opinion.
This question may be for Java3D team.
I wish Java3D provides us with an interface that programmer can specify the
x and z translations for the Behavior. This is similar to that a programmer
can activate a button press without the user clicking the button.
When zooming in any direction, since viewerPlatform roation angle can be
accessed by transformGroup, the x and z translation components of the
zoomed distance are known. If Java Behavior can take these input rather
than those got from user mouse input, the task of zooming in random
direction can be achieved by maneuvering viewer transformGroup only.
Lan
At 03:03 PM 8/22/2001 -0400, you wrote:
>Hi,
>
>I have been struggling with this for a week. I was wondering if any one
>having the experience and solution to my problem. Since my 3D scene
>contains huge amount of objects, it is faster to navigate the scene by
>modifying the viewer's transformGroup. I know that default Java Mouse
>Behavior only let me walk in the X, Z direction in the object
>transformGroup (coordinates). This works fine when I don't turn around
>(rotate around y). Eric website has suggested to do some extra work with
>object transformGroup to deal with viewing in random angles.
>
>My question is that is it possible to avoid touching the object
>transformGroup, but work with viewer's transformGroup solely to achieve the
>neviagting in any direction?
>
>Thanks in advance!
>Lan
>
>Lan Wu-Cavener
>Research Associate and Programmer
>Dept. of Landscape Architecture
>
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Lan Wu-Cavener
Research Associate and Programmer
Dept. of Landscape Architecture
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