yes this is in principle possible ... "only" problem is to write the position data in an valid obj syntax to a file.
have you ever tried to open a obj file in a texteditor? is it plain text? how does the syntax look like? etc.
or is there any kind of scripting language for maya? if so, you could try to generate a maya script with the help of processing, which holds all the position information and copy it via clipboard to maya. might be easier, then to get into the obj syntax.
I have started to work with processing recently and I have been trying to find codes to export lines or curves to a obj file. In the example above I would like to export the agent points as curves to work with it in another programme like maya.
Wie Benedikt geschrieben hat, entweder du passt die FileSystemItem.pde so an, dass sie CSVs einliest. Da du aber viel einfachere, nicht-hierarchische Daten visualisieren willst, sei dir das Beispiel von Ben Fry empfohlen: