java - Java3D, How to alter the View Platform clip distance? -

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i'm working using java3d, , i've been manipulating viewplatform can 'zoom' in , out of model fine. however, @ point when close (or far away) model clipped question how return (get) values these alter (set) them suit needs?

javax.media.j3d.view.setbackclipdistance(double distance) javax.media.j3d.view.setfrontclipdistance(double distance)

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