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RunningEjs

It is very easy to start Ejs.

 

  • For Windows or MacOS, put a shortcut on the Desktop to the file "EjsConsole.jar", which is in the folder/directory "Ejs" where you unpacked the package. Double-clicking the shortcut will start Ejs.

 

  • Linux/Unix systems interpret the file "EjsConsole.jar" as an archive file. Thus, double-clicking "EjsConsole.jar" will not make Ejs start. There are two ways to start Ejs under Linux/Unix:
    • From a terminal window ("command line"): Go to the directory that contains the archive file "EjsConsole.jar", and enter the command "java -jar EjsConsole.jar".
    • From an icon on the desktop: You will need to create a new "Link to Application"; the application ("Command") is "java -jar $pathname/EjsConsole.jar" [where $pathname is the full path of the directory where "EjsConsole.jar" resides], and the work location ("Work path") is $pathname (otherwise Ejs will not know how to find its support directories.) So, for example, if you unpacked Ejs on your Desktop, thereby creating a new directory "Ejs", the "Command" is "java -jar ~/Desktop/Ejs/EjsConsole.jar" and the "Work path" is "~/Desktop/Ejs".

 

When Ejs starts, it will open [at least] two windows:

 

 

 

 

 

  • The Ejs editing window (see a sample image at right), which has three radio buttons at the top: "Description", "Model", and "View". If this window does not open, you can start it by clicking the "Launch Ejs" button at the bottom of the Ejs Console.

 

 

 

 

 

 

 

 

  • If you were previously working on a simulation, by default its frame will also be opened in a third window at the time that the editing window starts.

(Note that during the process of starting Ejs, a temporary window showing progress may also be open for a short time. This window can provide useful information if there is some problem starting Ejs.)

 

When you are done with your Ejs session, the most orderly way to end it is to click the "X" at the upper right corner of the editing window. You will be asked to confirm that you are quitting. Other termination methods may be less graceful (i.e. may not completely save the state of Ejs for a future session.) If you have not saved your most recent changes to the simulation, you will be asked if you want to do so. (At present, you will not be asked if you want to save changes made to text in any of the "Description" tabs; if you have not saved before exiting, such text changes will be lost.)

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Page last modified on January 04, 2008, at 11:21 PM