8 Apr
2015
8 Apr
'15
1:02 a.m.
Hi Demian,
Thanks for your question. This part of Grapher is not well documented, so no surprise that you bump into this.
Consider the slightly adapted example. Does this help you? -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= b := RTGrapher new. b extent: 300 @ 200.
ds := RTStackedDataSet new. ds points: { { 'value 1'. 2} . {'value 2' . 2.3} . { 'value 3' . 1.2 } }. ds y: #second. ds barShape width: 40. ds histogramWithBarTitle: #first rotation: -45. b add: ds.
b axisX noLabel; noTick. b build. ^ b view -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Cheers, Alexandre
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Alexandre Bergel http://www.bergel.eu
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> On Apr 7, 2015, at 6:38 PM, Demian Schkolnik demianschkolnik@gmail.com wrote:
>
> Hi all! I want to make a little graph of a vector, with bars:
>
> | b ds labels |
> b := RTGrapher new.
> b extent: 300 @ 200.
>
> ds := RTStackedDataSet new.
> ds points: { 2 . 2.3 . 1.2 }.
>
> ds barShape width: 40.
> b add: ds.
> labels := #(x y z - -).
> b axisX numberOfLabels:labels size-1.
> b axisX numberOfTicks:labels size-1.
> b axisX labelConvertion: [ :item | labels at:item +1].
> b build.
> ^ b view
>
>
> The code above writes the x 2 times. I just want an x, y and z under each one of the bars. Also, I havo to do the 'item+1' thing because it somehow starts at 0, and smalltalk arrays start at 1...
>
> Thanks!
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