Re: Axis autoscaling works but gives wrong ans?

[Paul Kienzle]

On Feb 16, 2004, at 7:42 PM, John W. Eaton wrote:

> On 23-Jan-2004, Henry F. Mollet <address@hidden> wrote:
>
> | Axis autoscaling works but gives wrong ans?
> | Henry
> |
> | - Function File:  axis (LIMITS)
> |      Set axis limits for plots.
> |  Without any arguments, `axis' turns autoscaling on.
> |
> | octave:1> x=y = (0:10)';
> | octave:2> plot (x,y)        % will use default axis = autoscaling
> | octave:3> axis ([-1, 11, -1,11])
> | octave:4> replot            % will use axis ([-1, 11, -1,11])
> | octave:5> axis              % should turn on autoscaling but gives 
> wrong
> | ans?
> | ans =
> |    -1   11   -1   11
> | octave:6> replot        %  autoscaling was turned on, thus ans not 
> correct.
> | octave:7> axis
> | ans =
> |    -1   11   -1   11
>
> Unfortunately, there is currently no way for axis to query the current
> plot to get the limits of the data and give you those numbers.  I'm
> not sure what else it can do here.  What should it return as values if
> autoscaling has been turned on?

I've been tempted in the past to keep track of the data range
on the octave side so that axis could return something
reasonable.  It's a kludge, but I think it would work.  It would
work even better if octave took complete control of the axes
and never let gnuplot set them.

Paul Kienzle
address@hidden



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