p.s., Re: Filtering data without copying

• To: Geert Van Nuland <geert.vannuland@xxxxxxxxxxxxxxxxx>, visad-list@xxxxxxxxxxxxx
• Subject: p.s., Re: Filtering data without copying
• From: Bill Hibbard <hibbard@xxxxxxxxxxxxxxxxx>
• Date: Mon, 05 Nov 2001 10:33:39 -0600

> > I am trying to visualize a very big (+- 50 MB) array with values. I do
> > not want to copy this values into the FlatField of the graph because I
> > have a lot (>10) of graphs based on the same data.
> > Now I want to set the samples without copying and an additional
> > parameter with the filter information
> > (e.g. 1st graph: X values between [0.0;0.5], Y values between [1.0;1.5],
> > Z values between [1.0;1.5]
> >         2nd graph X values between [0.5;1.0], Y values between
> > [1.0;1.3], Z values between [1.0;1.5]).
> > I also want to filter on some other columns that are not displayed. Can
> > someone help me with this problem?

Filtering data depictions based on range of values is done
in VisAD by ScalarMaps of X, Y and Z to Display.SelectRange.

• References:
  • Filtering data without copying
    • From: Geert Van Nuland
  • Re: Filtering data without copying
    • From: Bill Hibbard