Two observers, two events

T 0.0
v Observer A Observer B
Event E t1 x t1' x'
t2 y t2' y'
t3 t t3' t'
Event F t1 x t1' x'
t2 y t2' y'
t3 t t3' t'
Double click to set events
Code for this scenario
Some events can only be located to one of two locations.
Released under the BSD license.