Hi!! I want to draw a points cloud. Then, I want to erase this points
cloud and to draw another cloud (to draw, to erase, to draw, to
erase...and so on) How would you do this?
Would you make multiple scenes or only one?

Hi all!! I have got a JAVA3D application that I show it in a JFrame.
So, everything is correct.
--->This schem is correct:
class program3D extends JFrame{

Hi!! I have got points like this (in a file): X=2,923, Y=-0,232,
Z=7,890.
In Java 3D, points must be between -1 and 1 (in a intervalo [-1,1]).
How do you change this points to intervale [-1,1] ????

The Deitel book with the Java 3D chapter has a good example of how to
use the mouse to implement translation and rotation.  If I only want
to rotate around one axis, is there some way to take this Deitel mouse
rotation control and turn off the X and Z axes?

... i have bought and read LEARNING JAVA by niemeyer
i loved it but find i need some hands on experience.
any help?
kevin