PNtalk system

[czech version] [Developers wiki]

Radek Kočí

PNtalk is an implementation of the OOPN (Object Oriented Petri Nets) formalism. The originator of this formalism is Vladimir Janousek. PNtalk is an experimental software intended for research and education. It allows for experimenting with modelling, simulation, and model-based design.

This pages provides information about the PNtalk system. You may find the latest release, documentations, and news here. The authors would be grateful for obtaining a feedback about using the PNtalk system, new ideas or the system improvement.

PNtalk for Squeak

Download
- PNtalk can be distributed under MIT LICENCE. The software depends on other software packages (available on SqueakMAP) distributable under the SqueakL+MIT license.
- PNtalk is available for Squeak (you will need Squeak virtual machine for your operating system and SqueakV39.sources, both from http://www.squeak.org/Download/), image version 3.9.
- Version from 18th December 2008
  - the recent version is available as Squeak sar file (it is needed to install it) or prepared image (can be used as is)
  - PNtalk snapshot: PNtalk-081218.sar. Install it to the SmallDEVS image
  - PNtalk installed in the Squeak3.9 image: PNtalk-081218.zip
How to install PNtalk from SAR archive:
- install the SmallDEVS system (or get its prepared image), see SmallDEVS website
- run the image (squeak file.image)
- open FileList browser and install the PNtalk.sar file
- the PNtalk is ready to use now – open the help window (use command 'PNtalkSystem welcome')
How to use prepared image:
- unzip the archive
- run the image (squeak file.image)
- the PNtalk is ready to use now – there are opened basic windows (MyRepository and help)

Examples

Multilevel system: This example shows using different levels (nets) and their synchronization by synchronous ports. The class WfTest describes the implementation of this problem in PNtalk (see the image, PNtalk-Core-Documentation category).

Developers

Radek Kočí