[Kst] [Bug 126743] Enable more than one y-axis

[Ted Kisner]

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http://bugs.kde.org/show_bug.cgi?id=126743         




------- Additional Comments From tskisner.public gmail com  2006-05-04 21:31 -------
On Thursday 04 May 2006 12:12, Matthew Truch wrote:
| Kst is very featureful, and at least I consider it important to be able to
| plot two (related or unrelated) series on the same chart. Is that seen as
| unreasonable?
| ---------------------
| I agree.  I don't know how zooming would be handled (ie choosing which
| range to display and how to zoom only one 'set' (axis group) of data.  But
| it would be useful.

It seems like this would require some major reworking of the plot window code.  
Currently, each plot has one set of ranges.  period.  I think this is 
necessary to handle zooming, etc correctly.

It sounds to me that what you really want is a way to "overlay" 2 entirely 
unrelated plots (rather than having them next to each other or above/below).  
Perhaps this could be handled by the view code somehow.

In any case, I think that the current definition (in the code) of a "plot" as 
having multiple objects displayed in a single coordinate system is the most 
logical.

We could certainly think about ways of doing plot "overlays" however.  I would 
probably require adding a new view object to act as a "container" for 
multiple plots, and a way to switch between which plot is "active" (the 
active plot would display its axes labels and respond to zoom events).

-Ted