PreEScope3: The Graph Point Diagnostic
This is a revision of PreEScope2 which adds a sliding crosshair over the signal plot. Clicking the mouse close to the displayed waveform, a crosshair centered on the waveform is displayed, and can be dragged over the entire waveform.

Menu items in the main frame allow a user to

- connect to a MDSplus server. The default server and port is localhost and 8000, i.e. a MDSplus data server running locally on port 8000 (the default configuration)
- open an experiment and shot. The default experiment and port is edam and 17615, respectively. They correspond to a database which is provided by the installer.
- request a data set (download the X and Y arrays). The default signal name is signals.pb.pbmc01_im, which corresponds to an available signal in the edam database.
- plot the data
- disconnect from the server
- quit

To exercise this program the following steps are required:

1. If not already running, start a MDSplus data server. On windows, click on start->programs->MDSplus->MDSDataserver. On Linux, run script start_mdsip.
2. Change directory in <source root>/preescopes/preescope3, where <source root> is the directory where you copied the source directory in the CD.
3. Include the current directory in your CLASSPATH environmante variable. On Windows this can be done by changing the CLASSPATH definition in Control Panel/System setting, or by the command
   set CLASSPATH=.;%CLASSPATH%
   On Linux (bash shell) this can be done by the command
   export CLASSPATH=.:$CLASSPATH
4. Compile the java source files with the command
   javac *.java
5. Run the program with no arguments.
   java PreEScope3

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