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Transcript
00:01
GOYO GRZESKOW: In this video, we will continue exploring the TAP
00:04
advanced options by editing simulations
00:06
to adjust them to our needs.
00:10
This is where we are on the overall view
00:12
of the Analysis in Civil Engineering Learning Path.
00:17
Previously, we created a five-minute simulation
00:20
called GGSIM.
00:22
Once synced to the Cloud in TAP, it
00:25
will appear on the InfoWorks traffic simulation preview
00:28
list.
00:29
And if you will run it, it will stop after five minutes,
00:33
as programmed.
00:34
If we now choose instead to run our long evening three-hour
00:38
simulation, we will see that despite stopping by default
00:42
in TAP after reaching 30 minutes of any simulation,
00:46
by using the InfoWorks traffic simulation preview tool,
00:49
this simulation will be displayed [? only ?] [? to ?]
00:51
[? all. ?] Let's open TAP and check the most interesting
00:55
options within the top menu bar.
00:57
We already know the Cloud Sync one.
00:60
Edit is the second in row, and it has a search tool within it.
01:03
Under the Parameters option, we'll
01:05
find terms that define the time windows
01:08
of the active simulation.
01:10
Behavior, which contains parameters
01:13
that control decisions made by each driver
01:16
in the model, that include mode and road choices, lane
01:20
selection, and parking selection,
01:22
a behavior defines [? ways ?] that describe
01:25
the relative value of time, distance, and price.
01:28
It also contains parameters controlling temperament
01:31
and driving style.
01:33
In this example, we can see that the vehicles
01:35
have a predefined front separation between them.
01:38
On the Behavior table, this is reflected as minimum gap.
01:42
If I choose to change it to, in example, minus 0.20 meters,
01:47
I'll make the cars collide.
01:52
The next feature on the parameters
01:54
is called Restriction, and it's used
01:56
to limit the use of a lane.
01:58
A restriction can be set up to operate all the time or only
02:02
during certain times, during [? terms. ?] In this example,
02:05
I'm adding a various low speed control parameter that I
02:08
will apply to one of the lanes.
02:11
Remember that to adjust any element on the canvas,
02:14
the Edit option has to be selected under the [? View ?]
02:17
tab.
02:18
Once this low speed control option
02:20
has been added to the lane or lanes desired,
02:23
we can run the simulation, making sure
02:25
that the lane restriction layer is on,
02:28
to distinguish it from others.
02:31
This feature has multiple uses.
02:34
One of them could be related to the analysis and impact
02:37
on traffic due to speed reductions triggered
02:40
by [? mild ?] and roadworks.
02:44
The Vehicle Types option will allow
02:46
you to define the physical aspects
02:48
of a type of vehicle, such as a small car, medium truck, et
02:52
cetera.
02:53
Each vehicle type must also be assigned a behavior, describing
02:57
how the driver behaves.
03:00
You have also all these subtypes,
03:02
like fleets and engines.
03:05
Being able to link an engine to each type of vehicle
03:08
allows to extract valuable information related
03:11
to the pollution impact of the proposal.
03:14
Under the next menu bar tab named Control,
03:18
we will find the Intersection feature.
03:21
It allows us to determine and manage the intersection rules.
03:24
An intersection may be [? signalized ?]
03:27
or unsignalized.
03:28
If it's signalized, then it will have a controller.
03:33
In example, we'll be able to define the lights timing,
03:37
set the lanes [INAUDIBLE] at the crossing,
03:40
and even create conditional rules.
03:47
Under the Demand tab, we will find two important features--
03:50
the demand divisions and the demands.
03:52
A demand division is a weighted group of types.
03:55
You can define any number of divisions, each of which
03:58
can contain any number of types.
04:00
Divisions are used by the trip generation process
04:03
to apply a demand matrix or volume in given proportions
04:07
to a group of vehicles.
04:09
The Demands option contains the tools
04:12
to define the matrix that will govern the in and out of zones
04:16
distribution.
04:18
Directed demand is a set of trips, where each trip has
04:22
an origin and a destination.
04:24
This demand is entered into the model
04:27
as a two-dimensional table known as an origin-destination
04:30
matrix, or OD matrix.
04:32
Once synced in TAP, the simulation
04:35
is ready to be run on the InfoWords traffic simulation
04:37
preview tool.
04:39
Note that the in and out of zone volumes are
04:42
the ones set on the OD matrix.
04:45
On the other hand, an undirected demand
04:48
is made up of two elements--
04:51
a one-dimensional origin volume and a set of splits.
04:54
The origin volume specifies the number of vehicles
04:57
to be released from each area or zone, respectively.
05:01
The splits are used for route assignment
05:04
at each route choice location at intersections.
05:07
Undirected demand can be used for small networks
05:10
to speed up the demand building process.
05:13
When using undirected demand, it is
05:15
important to recognize that each vehicle does not
05:18
have a destination while traveling through the network.
05:21
It discovers its destination only when in arrives to it.
05:30
Note that the undirected demand matrix populates itself
05:35
automatically.
05:38
In the in and out of zones volumes,
05:41
shown within InfoWorks, is the result
05:44
of the sum of the matrix, as shown in TAP.
Video transcript
00:01
GOYO GRZESKOW: In this video, we will continue exploring the TAP
00:04
advanced options by editing simulations
00:06
to adjust them to our needs.
00:10
This is where we are on the overall view
00:12
of the Analysis in Civil Engineering Learning Path.
00:17
Previously, we created a five-minute simulation
00:20
called GGSIM.
00:22
Once synced to the Cloud in TAP, it
00:25
will appear on the InfoWorks traffic simulation preview
00:28
list.
00:29
And if you will run it, it will stop after five minutes,
00:33
as programmed.
00:34
If we now choose instead to run our long evening three-hour
00:38
simulation, we will see that despite stopping by default
00:42
in TAP after reaching 30 minutes of any simulation,
00:46
by using the InfoWorks traffic simulation preview tool,
00:49
this simulation will be displayed [? only ?] [? to ?]
00:51
[? all. ?] Let's open TAP and check the most interesting
00:55
options within the top menu bar.
00:57
We already know the Cloud Sync one.
00:60
Edit is the second in row, and it has a search tool within it.
01:03
Under the Parameters option, we'll
01:05
find terms that define the time windows
01:08
of the active simulation.
01:10
Behavior, which contains parameters
01:13
that control decisions made by each driver
01:16
in the model, that include mode and road choices, lane
01:20
selection, and parking selection,
01:22
a behavior defines [? ways ?] that describe
01:25
the relative value of time, distance, and price.
01:28
It also contains parameters controlling temperament
01:31
and driving style.
01:33
In this example, we can see that the vehicles
01:35
have a predefined front separation between them.
01:38
On the Behavior table, this is reflected as minimum gap.
01:42
If I choose to change it to, in example, minus 0.20 meters,
01:47
I'll make the cars collide.
01:52
The next feature on the parameters
01:54
is called Restriction, and it's used
01:56
to limit the use of a lane.
01:58
A restriction can be set up to operate all the time or only
02:02
during certain times, during [? terms. ?] In this example,
02:05
I'm adding a various low speed control parameter that I
02:08
will apply to one of the lanes.
02:11
Remember that to adjust any element on the canvas,
02:14
the Edit option has to be selected under the [? View ?]
02:17
tab.
02:18
Once this low speed control option
02:20
has been added to the lane or lanes desired,
02:23
we can run the simulation, making sure
02:25
that the lane restriction layer is on,
02:28
to distinguish it from others.
02:31
This feature has multiple uses.
02:34
One of them could be related to the analysis and impact
02:37
on traffic due to speed reductions triggered
02:40
by [? mild ?] and roadworks.
02:44
The Vehicle Types option will allow
02:46
you to define the physical aspects
02:48
of a type of vehicle, such as a small car, medium truck, et
02:52
cetera.
02:53
Each vehicle type must also be assigned a behavior, describing
02:57
how the driver behaves.
03:00
You have also all these subtypes,
03:02
like fleets and engines.
03:05
Being able to link an engine to each type of vehicle
03:08
allows to extract valuable information related
03:11
to the pollution impact of the proposal.
03:14
Under the next menu bar tab named Control,
03:18
we will find the Intersection feature.
03:21
It allows us to determine and manage the intersection rules.
03:24
An intersection may be [? signalized ?]
03:27
or unsignalized.
03:28
If it's signalized, then it will have a controller.
03:33
In example, we'll be able to define the lights timing,
03:37
set the lanes [INAUDIBLE] at the crossing,
03:40
and even create conditional rules.
03:47
Under the Demand tab, we will find two important features--
03:50
the demand divisions and the demands.
03:52
A demand division is a weighted group of types.
03:55
You can define any number of divisions, each of which
03:58
can contain any number of types.
04:00
Divisions are used by the trip generation process
04:03
to apply a demand matrix or volume in given proportions
04:07
to a group of vehicles.
04:09
The Demands option contains the tools
04:12
to define the matrix that will govern the in and out of zones
04:16
distribution.
04:18
Directed demand is a set of trips, where each trip has
04:22
an origin and a destination.
04:24
This demand is entered into the model
04:27
as a two-dimensional table known as an origin-destination
04:30
matrix, or OD matrix.
04:32
Once synced in TAP, the simulation
04:35
is ready to be run on the InfoWords traffic simulation
04:37
preview tool.
04:39
Note that the in and out of zone volumes are
04:42
the ones set on the OD matrix.
04:45
On the other hand, an undirected demand
04:48
is made up of two elements--
04:51
a one-dimensional origin volume and a set of splits.
04:54
The origin volume specifies the number of vehicles
04:57
to be released from each area or zone, respectively.
05:01
The splits are used for route assignment
05:04
at each route choice location at intersections.
05:07
Undirected demand can be used for small networks
05:10
to speed up the demand building process.
05:13
When using undirected demand, it is
05:15
important to recognize that each vehicle does not
05:18
have a destination while traveling through the network.
05:21
It discovers its destination only when in arrives to it.
05:30
Note that the undirected demand matrix populates itself
05:35
automatically.
05:38
In the in and out of zones volumes,
05:41
shown within InfoWorks, is the result
05:44
of the sum of the matrix, as shown in TAP.
Try it: Modify Times, Terms and Demands of traffic flows
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