Re: reAutoScale

• To: "visad-list@xxxxxxxxxxxxx" <visad-list@xxxxxxxxxxxxx>
• Subject: Re: reAutoScale
• From: Doug Lindholm <lind@xxxxxxxx>
• Date: Wed, 29 Aug 2001 09:50:56 -0600

Bill wrote:

> > I have a simple time series plot with some field (e.g. temperature)
> > plotted vs. time for several surface stations. Auto scaling does the
> > right thing when I add data to the Display and I seem to recall it doing
> > the right thing when I remove DataReferences from the Display. However,
> > now I am using the DataRenderer.toggle method to turn off my data. Even
> > if I call the Display's reAutoScale method, it doesn't auto scale. 
> > 
> > Is this a bug? Should calling DataRenderer.toggle( false ) cause the
> > Display to reAutoScale? Or should a call to reAutoScale at least look at
> > the toggled state before using the data for auto scaling?
> 
> No, the reAutoScale() method only says to auto-scale the
> next time data are transformed into geometry. Follow that
> call by a call to DisplayImpl.reDisplayAll() to trigger the
> transform.

I am now calling reAutoScale() and reDisplayAll() after calling
DataRenderer.toggle( false ). The axes do not rescale. (I'm pretty sure
that I never called setRange on the ScalarMaps.) Is the DataRenderer's
enabled state considered when auto scaling is doing its thing? Should
it?

Thanks,
Doug

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• Follow-Ups:
  • Re: reAutoScale
    • From: Bill Hibbard