4.6. USING
REGIONS
(GEO-FENCES)
fore the event occurs so the
Event Machine
can generate the report to a
valid group of DPs.
The region has to be defined too. To do so, use the
GR
message. This is
the only signal-defining message that requires more than a single command
to configure the signal. This because as specified on the TAIP reference,
the
GR
message defines not a whole region but a region’s single point. One
example for the definition of region 26 using three points is:
>
SGR26001-025795009999
<
>
SGR26011-025840550099
<
>
SGR2602U-025849440001
<
It is recommended to define regions with the ACT software and not manu-
ally.
4.6
Using
Regions
(geo-fences)
The
Antares SB
TM
supports detecting when a vehicle is inside or outside of
up to 30 user-defined polygons (50 points maximum each). These polygon-
defined regions are defined with the
GR
message and the associated regions’
signals are the
Rxx
signals.
There two methods for creating and passing regions to a unit:
1. Create the regions manually following the rules described on the
GR
message.
2. Have the ACT
14
software generate a configuration script with the
necessary
GR
messages from a region defined on its graphical user
interface.
The second method is preferred as it avoids the user from dealing with sev-
eral rules needed for the unit to understand a polygon.
For instructions on creating a region with the first method refer to the
GR
TAIP message.
For the second method refer either to the
Antares Configuration Tool User’s
Manual
or to the
Operation
chapter.
There is an important consideration when using the second method: ACT
is not capable of generating an script by itself. A write and read process to
an
Antares SB
TM
is required to get an script that reflects the configuration
shown on the ACT user interface. As mentioned on the
Operation
chap-
ter ACT is not used for creating/editing the configuration of an
Antares
SB
TM
this because a unit’s configuration is best managed by means of script
files
15
. Thus, to be able of using ACT to create/edit regions the following
procedure has to be followed.
14
Antares Configuration Tool described on the
Operation
chapter.
15
Refer to the
Using Scripts
section of the
Configuration
chapter.
87
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