EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH

Drift Space

label: DRIFT,L=real;
A DRIFT space has one real attribute: Examples: 
DR1:   DRIFT, L = 1.5;
DR2:   DRIFT, L = DR1->L;
The length of DR2 will always be equal to the length of DR1. The straight reference system for a drift space is a cartesian coordinate system.

hansg, January 24, 1997