...
The
...
command
...
slic
...
-n
...
will
...
start
...
the
...
simulator
...
in
...
interactive
...
mode,
...
where
...
Geant4
...
commands
...
can
...
be
...
typed
...
into
...
the
...
terminal.
...
When
...
you
...
use
...
this
...
command,
...
you
...
should
...
see
...
the
...
Geant4
...
prompt.
| No Format |
|---|
{format} PreInit> {format} The PreInit> |
The "PreInit"
...
means
...
that
...
the
...
geometry
...
and
...
physics
...
have
...
not
...
been
...
loaded,
...
so
...
Geant4
...
is
...
in
...
a
...
pre-initialization
...
state.
...
If
...
you
...
specify
...
the
...
geometry
...
file
...
with
...
the
...
interactive
...
mode,
...
then
...
the
...
simulator
...
will
...
be
...
intialized
...
for
...
you.
| No Format |
|---|
{noformat} slic -g mygeom.lcdd -n {noformat} |
This
...
command
...
should
...
result
...
in
...
the
...
idle
...
state.
| No Format |
|---|
} Idle> {noformat} |
From
...
the
...
idle
...
state,
...
it
...
is
...
possible
...
to
...
start
...
the
...
simulation
...
by
...
using
...
the
...
/run/beamOn
...
command,
...
or
...
execute
...
other
...
commands
...
that
...
are
...
valid
...
for
...
the
...
idle
...
state.