Thanks for answering the stupid question. I tested as you suggested, it works.
Steve Emmerson wrote:
> >Date: Fri, 5 Apr 2002 01:15:37 -0800 (GMT-08:00)
> >From: "KAN.DENG" <KAN.DENG@xxxxxxxxxx>
> >To: visad-list@xxxxxxxxxxxxx
> >Subject: How to change the sample in FlatField?
> The above message contained the following:
> > According to VisAD Java Component Library Developer Guide (<A
> > href="http://www.ssec.wisc.edu/~billh/guide.html#3.10">http://www.ssec.w
> > isc.edu/~billh/guide.html#3.10</A>), "Most Data classes and metadata
> > classes (of FlatField) are immutable", does it mean that users cannot
> > interactively change the sample of a FlatField? In other words, is the
> > following job possible?
> > Suppose we have an isoContour, is it possible to allow
> > the user to change the isoline by clicking mouse button? Since the
> > isoContour is related to the sample of the FlatField, the above question
> > is equivalent to change the sample of the field. Is that possible? If
> > so, can anyone give me an instruction how to do it?
> Range values of Field can be modified. See the Field.setSample,
> Field.setSamples, and FlatField.setSamples() methods.
> Steve Emmerson <http://www.unidata.ucar.edu>