First Steps: Interacting with Graphical Objects


Looking up ROOT class information. Creating graphical objects and interacting with them.

The Lesson

In the lessons so far we have concentrated on developing user objects and looking to see how to interface them to the ROOT framework. Its now time to look at some of the ROOT objects themselves. ROOT has a very wide range of classes but we will concentrate on a few of those that beginners will find most useful for analysis. Even so we will only look at a few of the most frequently used features. As your confidence grows you should start to be able to look directly at the ROOT class descriptions, a local copy of which you can find , here. You should look at Reading ROOT Class Info for beginner's tips.

As a first taste of the graphical interface to ROOT I cannot improve on the ROOT tutorial The Hello World example. Bear in mind that links from there are not part of this Companion!


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