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Re: TrackBall Object. [message #16315 is a reply to message #16233]

Wed, 14 July 1999 00:00

Struan Gray
Messages: 178
Registered: December 1995

Senior Member

DBorland, dborland@egi.com writes:

> Any hints on how to make this behave?

I use the idlexrotator object in the examples/objects directory of
the 5.2 distribution. It won't do scaling or translation, but that's
easily achieved by changing the viewplane rectangle. The idlexrotator
is much better behaved and object-like than the trackball object.

If you take the model you want to plot, and encase it in yet
another model whch is reserved for plotting transformations you can
then swap between rotating in the window's and the object's coordinate
system by changing which of the two models is added to the
idlexrotator object.

Struan

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[Message index]

		TrackBall Object. By: DBorland on Tue, 13 July 1999 00:00
		Re: TrackBall Object. By: Struan Gray on Wed, 14 July 1999 00:00

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