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.

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.

**************************************

*** 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.

-=-=-=-=-=-=-=-=-=-=-=-=

**************************************

*** 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.

Cheers,

Alexandre

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

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