What is PI-UltraLite+HBook ?
PI UltraLite+HBook is a minimalized distribution of the s/w produced
by the LCG AA PI project (http://cern.ch/pi). The functionality
is limited to creating AIDA histograms, AIDA tuples and AIDA
DataPointSets, manipulate these objects in memory and storing/
retrieving them in (compressed) XML format (".aida" files) or
No other storage is provided, the in-memory representation is
How to install it on my machine ?
Installing the UltraLite+HBook is easy :
Download the tarball for the platform you need from the list below,
untar it in a separate directory, then set up an environment variable
named PI_DIR to point to this directory.
There is also a (somewhat larger) version available which includes a python
script for merging (and converting) histograms. This version is called "Lite",
you need to have Python 2.4.2 installed on your machine if you want to use
these features. Download this from:
Last modified: Tue Dec 20 14:59:59 CET 2005