62
Operation
SeaBat Sonar UI - User Manual
4.10.3.4 Quality test
The detection quality is related to the number of detections in the pipe
part. The more detections the better the quality of the pipe part, the more
predictions the worse the quality of the pipe part. The Quality is a number
between 0 and 1, where 0 is bad to 1 is good (only detections).
Also the ratio predictions/detections is part of the quality figure.
4.10.3.5 Depth test
When a tracked pipe part has an average distance to the sea floor
smaller than this
‘Depth’ value it will not be used in pipe routing.
4.10.3.6 Number of detections test
When the number of detections, in a tracked pipe part, is less than this
‘Detections’ value, the pipe part will not be used for the pipe routing.
The maximum value to enter is the patch size (=25 pings).
4.10.4 Pipe Route Creation
Figure 4-77
Pipe route creation parameters
From the found pipe parts a pipe route can be generated.
4.10.4.1 Maximum pipe parts used in routing
Maximum valid pipe parts that will pass to the pipe routing.
When a patch (25 pings) is processed several pipe parts are tracked,
qualified and filtered. When for example 6 valid pipe parts are detected in
a patch and ‘Maximum pipe parts used in routing’ is set to 3 only the best
three pipe parts are passed to the pipe routing computation.
4.10.4.2 Join segments test
When the distance between two pipe routes is shorter than the
‘Gap
length’ the two pipe routes will become one pipe route.
4.10.5 Pipe Steering
Figure 4-78
Pipe steering parameters
At the start the
Steering mode
has to be set,
Horizontal
or
Flex
steering.
The settings for the steering will not be changed during the time of the
Steering delay
. This delay is defined as the number of patches of 25
pings. At the moment the size of the patch cannot be modified. For
instance, if the ‘Steering delay’ is set on 5 then the Sonar UI will wait until
the 5*25 pings is surveyed before, if necessary, the settings for the
horizontal or flex steering are changed.
The setting for the steering is changed by the Sonar UI when the
difference (in degrees) between the horizontal steering or angle of the flex
