Hi Alex,
Thanks for your answer.
I misunderstood RTStackedDataSet.
To me, it does not do what the doc says ;-)
I want to do exactly that:
c := RTGrapher new.
ds := RTDataSet new.
ds dotShape color: Color red.
ds points: {5@1 . 1@2 . 20@3 . 5@4 }.
ds x: [ :e | e y ].
ds y: [ :e | e x ].
c add: ds.
c axisX noDecimal.
c axisY noDecimal.
c build.
c view inspect.
But I would like to not write by hand (or compute) the X values in the data
set which are the indexes of the element.
Thanks,
#Luc
2015-06-16 22:39 GMT+02:00 Alexandre Bergel <[email protected]>:
> Hi Luc!
>
> This is something that is not really intuitive in Roassal. I am not sure
> whether this is a bug, but until now, we usually disable the labels on the
> X-axis.
>
> So, your script should be
> -=-=-=-=-=-=-=-=-=-=-=-=
> b := RTGrapher new.
> ds := RTStackedDataSet new.
> ds dotShape color: Color red.
> ds points: #(5 1 20 5).
> ds y: #yourself.
> b add: ds.
> b axisX noLabel; noTick.
> b axisY noDecimal.
> b
> -=-=-=-=-=-=-=-=-=-=-=-=
>
> If you need ticks and labels, you can simply do:
> -=-=-=-=-=-=-=-=-=-=
> b := RTGrapher new.
> ds := RTStackedDataSet new.
> ds barShape width: 10.
> ds barChartWithBarCenteredTitle: #yourself.
> ds points: #(5 1 20 5).
> ds y: #yourself.
> b add: ds.
> b axisX noLabel; noTick.
> b axisY noDecimal.
>
> b
> -=-=-=-=-=-=-=-=-=-=
>
> I hope this solves your problem.
>
> Cheers,
> Alexandre
>
>
> On Jun 15, 2015, at 6:20 PM, Luc Fabresse <[email protected]> wrote:
>
> Hi,
>
> The doc here [1] says: "Data points may be stacked, meaning that the index
> of the point in the collection is its X value."
>
> When I use the same example as in the doc but with labels and ticks:
>
> b := RTGrapher new.
> ds := RTStackedDataSet new.
> ds dotShape color: Color red.
> ds points: #(5 1 20 5).
> ds y: #yourself.
> b add: ds.
> b axisX noDecimal.
> b axisY noDecimal.
> b build.
> b view inspect
>
> it seems that y values are not aligned on x ones (i.e. I would expect the
> first red point to be 1@5). Is it a bug or did I misunderstood something?
>
>
> <Screen Shot 2015-06-15 at 23.18.36.png>
>
>
> [1]
> https://dl.dropboxusercontent.com/u/31543901/AgileVisualization/Grapher/0202-
> Grapher.html
>
>
> Thanks,
>
> #Luc
>
>
> --
> _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
> Alexandre Bergel http://www.bergel.eu
> ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
>
>
>
>
