Re: Array formulas, piecewise functions

[Jean Bréfort <jean brefort normalesup org>]

Le jeudi 15 septembre 2005 à 11:45 -0400, Stephen R Laniel a écrit :
> On Thu, Sep 15, 2005 at 05:34:01PM +0200, Emmanuel Pacaud wrote:
> > You use the wrong chart type. You have to select XY chart instead of
> > line chart.
>
> Perfect! That fixed it. However, two things:
>
> 1) Given that it's possible to add an x-axis to a line
>    chart, it's not clear to an uninitiated user that x-axes
>    don't belong in line charts. Does anyone else find this
>    UI confusing?

axis belong to chart, they might be shared by several plots.

> 2) Within the tree control for xy-charts, I expected the
>    x-axis field (the field where one enters x-axis data) to
>    be under Graph -> Chart1 -> X-Axis1. Yet it's under Graph
>    -> PlotXY1 -> Series1. Again, doesn't this strike anyone
>    as a counterintuitive UI?

you can set extrema and ticks in axis, but the x values are series
dependent. Several series can use different x values sets, so these
values are in series, they cannot be elsewhere.

> I might comment more generally that tree controls are hard
> for a lot of people to grasp, and that they don't seem to
> belong here especially well. But that's more debatable.

Jean