Re: [JAVA3D] Zooming using a parallel view

1999-11-21 Thread Marco Lohse
A3D] Zooming using a parallel view > zoom in Parallel projections? Impossible. Try scaling. The definition of > parallel projection does not allow zoom. > > On Sun, 21 Nov 1999, Andy Wilkinson wrote: > > > > try lookAt() of TransformGroup of the view. > > > all you n

Re: [JAVA3D] Zooming using a parallel view

1999-11-20 Thread Blaine Alex Bell
zoom in Parallel projections? Impossible. Try scaling. The definition of parallel projection does not allow zoom. On Sun, 21 Nov 1999, Andy Wilkinson wrote: > > try lookAt() of TransformGroup of the view. > > all you need is to increase the distance > > between the eyepoint and the target poin

Re: [JAVA3D] Zooming using a parallel view

1999-11-20 Thread Andy Wilkinson
> try lookAt() of TransformGroup of the view. > all you need is to increase the distance > between the eyepoint and the target point. > > -hai I have already tried modifying the transform group to translate the view point towards/away from the centre of the scene, as this is how I have implemente

[JAVA3D] Zooming using a parallel view

1999-11-20 Thread Andy Wilkinson
I have a view which uses a parallel projection looking into a J3D world. The view can either be oriented to be a left, top, or front view into the world. I want to allow the user to zoom the view in and out - essentially allowing them to see more or less of the world - without changing the actual

Re: [JAVA3D] Zooming using a parallel view

1999-11-20 Thread Hai Ning
try lookAt() of TransformGroup of the view. all you need is to increase the distance between the eyepoint and the target point. -hai At 03:11 PM 11/20/99 -, you wrote: >I have a view which uses a parallel projection looking into a J3D world. The >view can either be oriented to be a left, top