[PD] Array that scrolls from right to left

Sebastien Lelong sebastien.lelong at gmail.com
Mon Feb 23 17:15:02 CET 2009

Hi guys,

I've recently discovered Pure Data as versatile platform I could use to
build a robotic GUI. The idea is to collect data from a robot, send it to an
OSC (open source control) server, get the data in pd~ and deal with it. One
important aspect would be to plot data, in real-time, so the graph scrolls
from right to left, and data is appended to the end of array (right) (well,
I hope what I write is understandable...).

So far so good, I've been able to build all the OSC part, and even plot
things in a array in pd~, but I can only find a way to plot data from left
to right, and when array's end is reached, clear it and start from beginning
again. In other words, I can't make it scroll...

Is there a common, usual way to do this ? Should I use "struct", "pointer"
and other kind of advanced stuffs ? Is there any externals I could use or
base on to build this ?

Thanks in advance for your help,
Sébastien Lelong
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