The graph moving creatures that are offline. General rules
for placement of points of graphs:
Point of graphs should be located
at a distance of 20-30 meters apart.
If the geometry is complicated -
at 10 meters.
From every point of the graph
must be visible at least one more point.
In order to Creature could go
from one point to another graph that is on another level, it is necessary to
point properties of the graph in section Spawn -> Items -> graph_point
-> Connection to Level name parameter to specify the name of the level at
which the creature must pass
and in the Point name parameter
to specify the name of the point of the graph in which creature should
go.

Level Changer is used to move a player from level to level.
For lauching Level Changer to work, you must attach it to shape (at
the entrance to which, the player will be offered to pass at next level).
Then in the properties section
Spawn -> Items -> level_changer, in setting Level write the name of level
at which the player must pass, and set the value for Level point to to indicate
the point of a graph in which the player must pass. After the transition, the player
will look in the direction in which the check points of the graph
shows.
