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For one reason or another, you may find yourself in a situation where you have to use ROOT, but all you have is a bunch of AIDA files. We offer here a clean way of converting your AIDA Trees to simple ROOT trees.

Prerequisites

• Python 2.5 or higher. Older versions work, but you can take advantage of an xml parser in newer versions that consumes less memory and cpu time.
• You will need PAIDA. You want a version 3.2.1_2.10 or newer.
• You have to have a ROOT installation with the python bindings enabled, i.e. --enable-python must be passed to ROOT's configure script.
• Download the attached script and put it where your AIDA files are

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