I have quickly made up something. Still at an early stage, but I am curious to see how it will grow. Check this:

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

| b |

b := RTTimeLineBuilder new.
"The lowest value will be red, the highest will be green"
b colors: {Color red . Color green}.

"Width of the bar"
b shape current width: 15.

"Total height of the diagram"
b height: 80.

"Number of values to be displayed before scrolling to the right"
b numberOfValues: 20.

"Small button for test purpose"
b view canvas addMenu: 'Add' callback: [ b add: 30 atRandom ].
b open

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

A screenshot:

And a small video that shows the example:

https://dl.dropboxusercontent.com/u/31543901/TMP/TimeLineBuilder.mov

It took me about 5 mn to do this. This is easily extensible…

For now, this is separated from GraphET. Probably it would make sense to move it from Roassal to GraphET.

Cheers,

Alexandre

On Apr 25, 2014, at 1:14 AM, Serge Stinckwich <serge.stinckwich@gmail.com> wrote:

Hi all,

I would like to plot real-time sensor data that comes from an arduino board.
Is there something to do that in GraphET or any idea to implement it ?

Thank you.
-- 
Serge Stinckwich
UCBN & UMI UMMISCO 209 (IRD/UPMC)
Every DSL ends up being Smalltalk
http://www.doesnotunderstand.org/
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-- 
_,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:
Alexandre Bergel  http://www.bergel.eu
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