RoofIT

ROOT is a framework for data processing, born at CERN, at the heart of the research on high-energy physics. Every day, thousands of physicists use ROOT applications to analyze their data or to perform simulations. With ROOT you can:

• Save data You can save your data (and any C++ object) in a compressed binary form in a ROOT file. The object format is also saved in the same file: the ROOT files are self-descriptive. Even in the case the source files describing the data model are not available, the information contained in a ROOT file is be always readable. ROOT provides a data structure, the tree, that is extremely powerful for fast access of huge amounts of data – orders of magnitude faster than accessing a normal file.
• Access data Data saved into one or several ROOT files can be accessed from your PC, from the web and from large-scale file delivery systems used e.g. in the GRID. ROOT trees spread over several files can be chained and accessed as a unique object, allowing for loops over huge amounts of data.
• Mine data Powerful mathematical and statistical tools are provided to operate on your data. The full power of a C++ application and of parallel processing is available for any kind of data manipulation. Data can also be generated following any statistical distribution and modeled, making it possible to simulate complex systems.