Hi!
RTGraphBuilder went through major improvements.
- min and max may be specified.
- plugins to add some decoration (average line, standard deviation
range, ticks lines, …)
Here are some examples, with some examples, which should illustrate these
points:
Is obtained with:
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| b ds |
b := RTGrapherBuilder new.
ds := RTDataSet new.
ds points: (0 to: 100 by: 0.1).
ds y: [ :x | (0.1 * x) sin ].
ds noDot.
ds interaction popupText: 'sinus'.
ds connectColor: Color blue.
b add: ds.
ds := RTDataSet new.
ds points: (0 to: 100 by: 0.1).
ds y: [ :x | (0.2 * x) cos * 2 ].
ds noDot.
ds interaction popupText: 'cosinus'.
ds connectColor: Color red.
b add: ds.
b minY: -4.
b maxY: 4.
b minX: -25.
b build.
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b := RTGrapherBuilder new.
ds := RTStackedDataSet new.
ds interaction popup.
ds points: #(600 470 170 430 300).
ds barShape width: 20; color: Color lightGreen.
b add: ds.
b axisX noLabel; noTick.
b axisY noDecimals.
b addPlugin: RTMeanDevVarPlugin new.
b build
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Another example:
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b := RTGrapherBuilder new.
b extent: 300 @ 200.
5 timesRepeat: [
ds := RTStackedDataSet new.
ds noDot.
ds points: ((1 to: 500) collect: [ :i | 50 atRandom - 25 ]) cumsum.
ds connectColor: Color green.
b add: ds.
].
b addPlugin: RTMeanDevVarPlugin new.
b build.
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The plugin framework exposes to a plugin all the necessary to define a whole
range of decorations. For example, variable average lines, linear regression
should be trivial to add...
Happy new year!
Alexandre
--
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Alexandre Bergel http://www.bergel.eu
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