Hi Alexandre,

This seems related with other question I have made on the Pharo list about visualizing the history of a SmalltalkHub repository, so I gave it a shot, but when I paste the code "minFor:" and "labelRotaion:" are in red. Need I to update something? (system update keep them red).

Cheers,

Offray

On 09/22/2014 03:31 PM, Alexandre Bergel wrote:

Hi!

Here is a post that describe how to have dates on the X-axis.
This has been a recurrent problem, which is why I would like to share it with you.

Dates are particular values that requires an adequate control over what is being
displayed on X-axis. The julianDayNumber converts a date into a number.

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
methods := RTObject withAllSubclasses flatCollect: #methods.
methods := methods reject: [ :m | m numberOfLinesOfCode > 150 ].
oldestMethod := methods minFor: #date.

b := RTCharterBuilder new.
b extent: 800 @ 200.
b shape circle size: 5; color: (Color blue alpha: 0.1).
b interaction popup.
b points: methods.
b allY: #numberOfLinesOfCode.
b allX: [ :m | m date julianDayNumber - oldestMethod date julianDayNumber ].

b axisConfiguration
noDecimals;
title: 'LOC'.
b axisY.
b axisConfiguration
title: '';
labelRotation: -30;
numberOfTicks: 10;
numberOfLabels: 10;
labelConvertion: [ :v | (Date julianDayNumber: v + oldestMethod date
julianDayNumber) ].
b axisX.

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





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