23 Sep
2014
23 Sep
'14
11:13 a.m.
Thank you Alex.
I was able to plot some nice Ebola cases very easily now:
================================================================
tab := RTTabTable new input: (ZnEasy
get: '
https://raw.githubusercontent.com/cmrivers/ebola/master/country_timeseries.…
')
contents usingDelimiter: $,.
tab removeFirstRow.
tab replaceEmptyValuesWith: '0' inColumns: (2 to: 12) asArray.
tab convertColumnsAsInteger: (2 to: 12) asArray.
tab convertColumnAsDateAndTime: 1.
tab replaceZeroWithCumulativeValuesInColumns: (2 to:12) asArray.
data := tab values reversed.
minEntry := data minFor: #first.
b := RTCharterBuilder new.
b extent: 400@200.
b shape ellipse size:0.
b points: data.
b connectDotColor: Color blue.
b allY: [ :v | v at: 3 ].
b allX: [ :v | v first julianDayNumber - minEntry first julianDayNumber ].
b axisConfiguration
labelRotation: -30;
labelConvertion: [ :v | (Date julianDayNumber: v + minEntry first
julianDayNumber) ].
b axisX.
b resetAxisConfiguration.
b axisY.
b build.
lb := RTLegend2Builder new.
lb view: b view.
lb addText: 'Ebola cases'.
lb addColor: Color blue text: 'Guinea cases'.
lb build
================================================================
[image: Inline image 2]
On Mon, Sep 22, 2014 at 10:31 PM, Alexandre Bergel <alexandre.bergel(a)me.com>
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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