High-energy physics experiments tend
to generate huge amounts of data.
While this data is passed through
analysis software, very often the first
thing you may want to do is graph
it and see what it actually looks like.
To this end, a powerful graphing and
plotting program is an absolute must.
One available package is called Extrema
index.html). Extrema evolved from an
earlier software package named Physica.
Physica was developed at the TRIUMF
high-energy centre in British Columbia,
Canada. It has both a complete graphical
interface for interactive use in data
analysis and a command language that
allows you to process larger data sets or
repetitive tasks in a batch fashion.
Figure 1. On startup, you are presented with a blank visualization window and an