Re: XForms: downsampling data before plotting via xy_plot

From: Steve Lamont (
Date: Wed Mar 07 2001 - 09:51:24 EST

  • Next message: Bill Unruh: "Re: XForms: downsampling data before plotting via xy_plot"

    # To subscribers of the xforms list from Steve Lamont <> :

    > I've been using the xy_plot routine a lot and only recently I noticed
    > that when trying to plot a huge number of items in one window,
    > sometimes nothing is shown at all although it is apparent
    > that the window is refreshed.
    > I'm talking about plotting an audio signal as a waveform here.

    What's a "huge number?" By items, you mean points, I assume. Or do
    you mean overlays?

    Can you provide an example?

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