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Download this sample ZPole Data File to your harddisk. This data file will be used throughout the example.
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Loading the LCIO File
Open JAS3 by clicking on Start -> Programs -> JAS3 -> JAS3.
Now browse Browse to the data file by clicking on File -> Open, navigating to the directory where the file was saved, selecting the file, and pressing Enter.
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- The name of the file is shown in the select box.
- The JAS tree shows at the lefthand side of the screen with a folder called Datasets. The file is listed as a member of this folder.
- The record toolbar shows on the toolbar. This is used to step through records one-by-one or process all of the records in a file.
- The listing under File -> Recent Files shows the name of this file, for easy access in a later session.
This is the basic view for LCIO files.
LCSim Event Viewer
The LCSim Event Viewer shows event data from the collections in the LCIO file. Collections are sets of objects with the same type, such as CalorimeterHits, TrackerHits or MCParticles.
To open the browser, select View -> LCSim Event Browser.