(Follow link to the updates page on the bottom)
David Harel and Rami Marelly2011 Version - Done with the aid of Yaarit Natan
Weizmann Institute of Science
This website is the internet companion site for the following book, and for the Play-Engine software tool that is attached to it on a CD:
|The book describes a language (live
sequence charts, or LSCs), two techniques (play-in and play-out), and a
supporting tool (the Play-Engine), for capturing reactive behavior in a
scenario-based fashion. Play-in is a convenient way to 'play' scenario-based
behavior directly from the system's graphical user interface (GUI), and play-out
makes it possible to execute the behavior on the GUI as if it were programmed
in a conventional state-based fashion. All this is implemented in full in the
Click for the book's Preface and Table of Contents.
Click for the book's Full Version.
The website allows you to obtain a license for using the Play-Engine software you got with the book, to view pre-recorded demos of the Play-Engine in action, to send in comments and to report errors, both on the book and on the software.
The site is best viewed using a PC with Windows 98 or above, including Windows ME, 2000 and XP. The Play-Engine does not work on Macintosh computers or with pre-98 versions of Windows). Also, a screen resolution of at least 800x600 is needed for the site, though 1280x1024 is better for the demos.
We welcome comments about text of the book, including apparent errors or unclear passages. Please do not send such messages to our personal email addresses. Rather, click here to send your message to our special playbook address (or email directly yourself to email@example.com):
We will periodically post an updated list of errata here:
The latest version available for download is version 4.5.9 from 2011 (January). After installing it you will have to accept the license agreement.
For those who do not want
to use the Play-Engine software themselves, or who want to see it in operation
prior to using it, we have prepared some
To view these, click here:
In order to use the
Play-Engine software that resides on the CD you got with the book or downloaded from the website, you will have
to accept the
Please click here start this process:
As with the text of the
book, we welcome
on the Play-Engine software. Please do not send such messages to our
personal email addresses. Rather, click here to send your message to
our special Play-Engine address (or email directly yourself to
As more people use the
Play-Engine, and as comments and bug reports accumulate, we will attempt to
improve the software, making it more stable. From time to time we will also be adding new features. By clicking below you will be able to check for, and download, the
Thank you for visiting