29 Jul
2014
29 Jul
'14
12:29 a.m.
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(a)me.com>om>:
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(a)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
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