Alexandre

--
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Alexandre Bergel http://www.bergel.eu
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On Apr 30, 2015, at 2:48 PM, phil@highoctane.be wrote:

cool.
pls make sure the api stays stable.
e.g. changing convertion/conversion bit me hard with a DNU hours before release on my CI.
Maybe have a RTOldAPI package or something.
Phil

Le 30 avr. 2015 20:00, "Alexandre Bergel" <alexandre.bergel@me.com> a écrit :
Hi!

We did a number of improvements of Grapher for Thomas. I am sharing them since some of you may find it relevant.

**************************************
*** Tip: need to shift the Y-axis ***

b := RTGrapher new.
ds := RTStackedDataSet new.
ds barShape color: Color red.
ds points: #(5 1 20 8).
b add: ds.
b axisX noLabel; noTick. b axisY noDecimal.
b build.

<Screen Shot 2015-04-30 at 12.14.09 PM.png>

The Y-Axis can be shifted vertically using labelConversion: and a minor translation of the value, as in:
b := RTGrapher new.
ds := RTStackedDataSet new.
ds barShape color: Color red.
ds points: #(5 1 20 8).
ds y: [ :v | v - 10 ].
b add: ds.
b axisX noLabel; noTick. b axisY noDecimal.
b axisY labelConversion: [ :v | v + 10 ].
b build.

<Screen Shot 2015-04-30 at 12.15.15 PM.png>

**************************************
*** Improvement 1: Centered labels for bar charts ***

-=-=-=-=-=-=-=-=-=-=-=-=
b := RTGrapher new.
ds := RTStackedDataSet new.
ds barShape color: Color red.
ds points: #(5 1 20 8).
ds y: [ :v | v - 10 ].
ds barChartWithBarCenteredTitle: [ :value | '##', value asString ].
b add: ds.
b axisX noLabel; noTick. b axisY noDecimal.
b axisY labelConversion: [ :v | v + 10 ].
b build.
-=-=-=-=-=-=-=-=-=-=-=-=

<Screen Shot 2015-04-30 at 12.23.05 PM.png>

**************************************
*** Improvement 2: Average for X values ***

b := RTGrapher new.
ds := RTDataSet new.
ds dotShape color: Color red.
ds points: #(5 1 20 8).
b add: ds.
b addDecorator: (RTHorizontalAverageDecorator new withLabel; labelConvertion: [ :aValue | 'average = ', aValue asFloat asString ]).
b build.

<Screen Shot 2015-04-30 at 12.45.02 PM.png>

Cheers,
Alexandre
--
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel http://www.bergel.eu
^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;.

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