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!
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
That is perfect! Thanks Alexandre.
El mar., 7 de abr. de 2015 a la(s) 8:04 p. m., Alexandre Bergel < alexandre.bergel@me.com> escribió:
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 -- _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: Alexandre Bergel http://www.bergel.eu ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.
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 viewThe 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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Demian Schkolnik