[Visualpython-users] How to plot only 'the last N points' using gcurve (program attached)

[Hans F. <H.F...@so...>]

Apologies: I noticed that the my mail client seems to have broken the
indentation in my previous email. This time I will attach the
program. Apologies for the 2nd email.

Regards,

Hans

On Tue, 21 Sep 2004, Hans Fangohr wrote:

> Dear all, I am trying to use gcurve to continuously display the last N
> points of a scalar function. More concrete: a simulation goes through
> a number of iterations and for each iteration, I'd like to plot one
> scalar value. I want to display the last N points using gcurve.
>
> Since I didn't see a way of deleting individual points from gcurve, I
> have written the little class (appended below) which does nearly what
> I want. What it doesn't do is to auto-scale the graph so that the last
> N points are displayed in optimal resolution. I am happy to compute
> the required min and max values for the y-axis myself but don't know
> how to pass it to vpython in the correct way.
>
> Can anybody help me? Or is this plotting of last N-points achievable
> much easier using another approach?
>
> Thank you,
>
> Hans
>
>
>
Please find program attached.