[vtkusers] How to enable vtkAxis::RIGHT in vtkChartXY (multiple Y-Axis)

[Gerrit van Doorn]

Hi Eric,

Sorry about that. I haven't tried selections yet but I will have a look at
that soon.

On Fri, Jan 20, 2012 at 9:16 AM, Eric E. Monson <emonson at cs.duke.edu> wrote:

> Hey Gerrit,
>
> (Please reply to the whole list so everyone can learn and contribute
> together.)
>
> I'm glad that helped. Pan and zoom seem to work okay for me with multiple
> plots in multiple "corners", but I do see some strangeness with selections.
> I don't have time to look at the source code right now, but maybe Marcus
> can comment if he gets a chance.
>
> Talk to you later,
> -Eric
>
>
> On Jan 19, 2012, at 11:52 AM, Gerrit van Doorn wrote:
>
> Thanks Eric, exactly what I was looking for! The ranges are on the same
> graph and scaled (so e.g. if in one plot the max is 3.0, and the other max
> is 1.0, 3.0 and 1.0 are at the same height). I also noticed that after
> doing this mouse interactions apply to the 2nd plot only.
>
> On Thu, Jan 19, 2012 at 6:37 AM, Eric E. Monson <emonson at cs.duke.edu>wrote:
>
>> Hey Gerrit,
>>
>> You can actually leave AutoAxes on. The way to get the extra axes to show
>> up and use them for plots is to set the "plot corner". This nomenclature is
>> a bit opaque to me, but the idea is that each chart has four possible
>> corners. The default one is 0, which uses the left and bottom axes. Corner
>> 1 uses bottom and right; 2 uses right and top and 3 uses top and left.
>>
>> So, after you've added a plot to the chart, you can call
>>
>> chart->SetPlotCorner( chart->GetPlot(0), 1);
>>
>> and this will switch it to using the bottom and right axes. I would think
>> there would be an enum for the corner integers, but I couldn't fine one
>> offhand. I haven't played around enough to see how this behaves with
>> multiple plots that have different ranges, etc – only tried it out to see
>> that the basic functionality works.
>>
>> Talk to you later,
>> -Eric
>>
>>  · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
>> Eric E Monson
>> Duke Visualization Technology Group
>>
>>
>> On Jan 18, 2012, at 8:22 PM, Gerrit van Doorn wrote:
>>
>> OK, I figured out the trick was to disable AutoAxis:
>>    chart->SetAutoAxes(false);
>>
>> Now I'm still wondering if it is possible to draw a 2nd plot using the
>> RIGHT Axis. Does anybody know if this is possible?
>>
>> On Wed, Jan 18, 2012 at 2:24 PM, Gerrit van Doorn <
>> gdoorn at newfieldwireless.com> wrote:
>>
>>> Hi,
>>>
>>> I'm trying to plot a second Y-Axis on the right side of a line/bar plot
>>> by enabling  vtkAxis::RIGHT
>>> (chart->GetAxis(vtkAxis::RIGHT)->SetVisible(true);)
>>> However, it doesn't show up. I also tried this on a line plot in
>>> ParaView (using the settings menu) but here it also doesn't display the
>>> Axis on the right side. Is there something I'm forgetting to do?
>>> Is it possible to plot 2 line graphs in the same chart with each their
>>> own Y-Axis?
>>>
>>> I'm using VTK 5.8
>>>
>>> Thanks,
>>> gerrit
>>
>>
>>
>>
>> --
>> *Gerrit van Doorn*
>> Software Engineer
>> *O* +1 510.809.2338  *M* +1 510.859.4618
>> 2855 Telegraph Avenue, Suite 600
>> Berkeley, CA  94705
>> www.newfieldwireless.com
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