Hi Hernan,

What is the status of your Pie chart ?
Is it kept separated from GraphET2?

Alexandre

On Jul 28, 2014, at 6:29 PM, Hernán Morales Durand <hernan.morales@gmail.com> wrote:

> Thanks Alex,
>
> I did not finished reading the chapter about RTBuilder yet. But regardless of the GraphET2 scope, having a pie diagram builder is important for Pharo (I don't know the status of PieChartMorph but I will check).
>
> I have tried two different directions. One is adding a RTLabel to each sector shape in #getElementsFromModels
>
> GET2PieDiagram>>getElementsFromModels
>
>    ...
>             label := RTLabel new text: model key.
>             shape := shape + label.
>    ...
>
> | diag |
> diag := GET2DiagramBuilder new.
> (diag pieDiagram)
>     function: #value;
>     models: {'A' -> 30 . 'B' -> 10 . 'C' -> 20 . 'D' -> 40};
>     color: [ Color random ].
> ^ diag open.
>
>
> Another one is using #modelLabels: to add labels to axis:
>
> | diag |
> diag := GET2DiagramBuilder new.
> (diag pieDiagram)
>     modelLabels: #key;
>     function: #value;
>     models: {'A' -> 30 . 'B' -> 10 . 'C' -> 20 . 'D' -> 40};
>     color: [ Color random ].
> ^ diag open.
>
> but none of them positions the labels nicely. If anyone wants to comment would be very welcome :)
> Cheers,
>
> Hernán
>
>
>
>
> 2014-07-26 14:14 GMT-03:00 Alexandre Bergel <alexandre.bergel@me.com>:
> Hi Hernán,
>
> Thanks for your effort. This is very valuable.
> However, I am not sure a pie diagram should be part of GraphET. A pie is radically different from a curve. Maybe subclassing the class RTBuilder is the way to go. You will then not be constraint by GraphET for the labeling...
>
> Cheers,
> Alexandre
>
>
> On Jul 25, 2014, at 8:41 PM, Hernán Morales Durand <hernan.morales@gmail.com> wrote:
>
> > Hello
> >
> > I am trying GET2 pieDiagram builder. You may want to add a random color in the #pieExample method so it looks nicer (see attachment):
> >
> > | diag |
> > diag := GET2DiagramBuilder new.
> > (diag pieDiagram)
> >     models: #(30 10 20 40);
> >     color: [ Color random ].
> > ^ diag open.
> >
> > Now my question is simple, but I don't know how to start
> >
> > How would you add labels to each sector?
> >
> > Hernán
> >
> >
> > <PieChart_1.png>_______________________________________________
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> > Moose-dev@iam.unibe.ch
> > https://www.iam.unibe.ch/mailman/listinfo/moose-dev
>
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