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Transcript
00:04
Demand allocation in info.
00:06
Water pro allows you to calculate distribute
00:09
and manage demands in your network model.
00:13
The evolution of geographical information systems
00:15
has led to the availability of comprehensive
00:18
data sets including land use water meter locations and demand area polygons.
00:25
These data when properly processed can be effectively used
00:28
to create system demands throughout a hydraulic network model.
00:32
As a pre
00:33
allocation task,
00:34
you import GIS datasets such as all your meter records or polygon layers,
00:40
each meter in your model needs a spatial location.
00:44
You can use geo coding sources to get this data
00:47
and join it to a billing systems database to allocate demands
00:52
customer or meter billing data with distinct X and Y coordinates provide
00:56
an accurate measure of localized demands
00:58
imposed on the water distribution system.
01:01
Once you are ready to allocate demands, you can open the demand allocation manager.
01:07
There are several distinct allocation methodologies you
01:10
can use for the allocation process.
01:12
The polygon intersection method uses spatial
01:15
intersection of a demand class categorization
01:17
polygon with demand area polygon coverage
01:20
to determine the notable demand allocation
01:24
info.
01:24
Water pro allocator considers the demand area
01:26
polygons as the primary polygon coverage.
01:29
While the classes slash classifications layer is
01:32
represented as a secondary polygon definition.
01:35
During the allocation process,
01:37
the program intersects polygons of the primary
01:40
layer with those of the secondary layer.
01:43
Before using the allocator tool,
01:45
all polygons must be registered as their respective layers.
01:50
Polygon extraction is used when a polygon coverage has
01:53
already been intersected with a land base or other classification
01:57
polygon boundary and has been imported into info water pro
02:00
and registered as an info water pro allocator layer.
02:04
With this method,
02:05
the total demand at each junction node is calculated by summing all
02:09
of the individually assigned demand categorization
02:11
polygons into a single demand field.
02:14
Meter summation is used when customer billing data is available.
02:19
This allocation method uses a primary layer that represents the demand or
02:24
service area polygon coverage and a meter layer to represent meter data.
02:29
Closest junction is used when customer slash meter billing data is available
02:35
for this method. The meter layer needs to be configured.
02:38
So the demand field and optionally the usage type field contain
02:42
demand and water duty data at each of the meters.
02:46
This method provides a means to assign demands
02:48
to the junctions closest to the water meter
02:52
for each of the junction nodes.
02:53
The demands are then summed up to establish
02:56
localized demands imposed on each of the nodes.
02:59
The closest pipe method works with customer
03:02
billing data and also requires meter configuration.
03:06
The demand field and optional usage type field contain demand
03:09
and water duty data at each of the meters.
03:13
A spatial join or local search option is also available
03:17
for each of the meters. The closest pipe is first located,
03:22
the meter demands are then assigned to either the closest
03:24
upstream or downstream nodes for each of the selected pipes.
03:29
The demands routed to the nearest junction may be assigned in full or they
03:33
may be split in a weighted fashion between the two nodes connecting the pipe.
03:38
For each of the nodes,
03:39
all contributing meters are summed to represent
03:41
the total demand imposed on that node.
03:44
The meter junction method is similar to the closest junction method
03:48
but you can assign meters to be allocated to junction nodes.
03:52
In other words,
03:53
it is a user defined version of the
03:55
closest junction method which generates meter demands automatically
03:60
for the meter junction method to be employed.
04:02
You must specify which fields possess or will possess the junction ids.
04:07
Lastly,
04:08
the meter pipe allocation method is similar to the closest pipe
04:12
method but you can assign meters to be allocated to pipes.
04:15
It is a user defined version of the closest pipe method.
04:19
You must specify which fields possess or will possess the pipe ids
04:24
depending on the allocation method you use.
04:26
Relevant settings are available in the demand allocation manager.
04:31
The usage data tab of the demand allocation manager allows you to utilize
04:35
usage or land use data to apply demands to different demand categories.
04:40
You can alter customized water duty factors to
04:43
allocate demands to a specific pattern or field.
04:47
Once you perform the demand allocation,
04:49
you can view the results in the allocation report and water duty calculator.
04:54
In this report, you can compare the allocation results with usage or land use data
05:00
at this point.
05:01
You can use the meter assignment tool to view and assign
05:04
which meters are currently assigned to certain pipes or junctions.
05:08
In the map, you can review where meters are assigned indicated by red lines.
05:14
If you do reassign any meters,
05:16
you can reallocate using the meter junction or
05:18
meter pipe methods with the adjusted data.
Video transcript
00:04
Demand allocation in info.
00:06
Water pro allows you to calculate distribute
00:09
and manage demands in your network model.
00:13
The evolution of geographical information systems
00:15
has led to the availability of comprehensive
00:18
data sets including land use water meter locations and demand area polygons.
00:25
These data when properly processed can be effectively used
00:28
to create system demands throughout a hydraulic network model.
00:32
As a pre
00:33
allocation task,
00:34
you import GIS datasets such as all your meter records or polygon layers,
00:40
each meter in your model needs a spatial location.
00:44
You can use geo coding sources to get this data
00:47
and join it to a billing systems database to allocate demands
00:52
customer or meter billing data with distinct X and Y coordinates provide
00:56
an accurate measure of localized demands
00:58
imposed on the water distribution system.
01:01
Once you are ready to allocate demands, you can open the demand allocation manager.
01:07
There are several distinct allocation methodologies you
01:10
can use for the allocation process.
01:12
The polygon intersection method uses spatial
01:15
intersection of a demand class categorization
01:17
polygon with demand area polygon coverage
01:20
to determine the notable demand allocation
01:24
info.
01:24
Water pro allocator considers the demand area
01:26
polygons as the primary polygon coverage.
01:29
While the classes slash classifications layer is
01:32
represented as a secondary polygon definition.
01:35
During the allocation process,
01:37
the program intersects polygons of the primary
01:40
layer with those of the secondary layer.
01:43
Before using the allocator tool,
01:45
all polygons must be registered as their respective layers.
01:50
Polygon extraction is used when a polygon coverage has
01:53
already been intersected with a land base or other classification
01:57
polygon boundary and has been imported into info water pro
02:00
and registered as an info water pro allocator layer.
02:04
With this method,
02:05
the total demand at each junction node is calculated by summing all
02:09
of the individually assigned demand categorization
02:11
polygons into a single demand field.
02:14
Meter summation is used when customer billing data is available.
02:19
This allocation method uses a primary layer that represents the demand or
02:24
service area polygon coverage and a meter layer to represent meter data.
02:29
Closest junction is used when customer slash meter billing data is available
02:35
for this method. The meter layer needs to be configured.
02:38
So the demand field and optionally the usage type field contain
02:42
demand and water duty data at each of the meters.
02:46
This method provides a means to assign demands
02:48
to the junctions closest to the water meter
02:52
for each of the junction nodes.
02:53
The demands are then summed up to establish
02:56
localized demands imposed on each of the nodes.
02:59
The closest pipe method works with customer
03:02
billing data and also requires meter configuration.
03:06
The demand field and optional usage type field contain demand
03:09
and water duty data at each of the meters.
03:13
A spatial join or local search option is also available
03:17
for each of the meters. The closest pipe is first located,
03:22
the meter demands are then assigned to either the closest
03:24
upstream or downstream nodes for each of the selected pipes.
03:29
The demands routed to the nearest junction may be assigned in full or they
03:33
may be split in a weighted fashion between the two nodes connecting the pipe.
03:38
For each of the nodes,
03:39
all contributing meters are summed to represent
03:41
the total demand imposed on that node.
03:44
The meter junction method is similar to the closest junction method
03:48
but you can assign meters to be allocated to junction nodes.
03:52
In other words,
03:53
it is a user defined version of the
03:55
closest junction method which generates meter demands automatically
03:60
for the meter junction method to be employed.
04:02
You must specify which fields possess or will possess the junction ids.
04:07
Lastly,
04:08
the meter pipe allocation method is similar to the closest pipe
04:12
method but you can assign meters to be allocated to pipes.
04:15
It is a user defined version of the closest pipe method.
04:19
You must specify which fields possess or will possess the pipe ids
04:24
depending on the allocation method you use.
04:26
Relevant settings are available in the demand allocation manager.
04:31
The usage data tab of the demand allocation manager allows you to utilize
04:35
usage or land use data to apply demands to different demand categories.
04:40
You can alter customized water duty factors to
04:43
allocate demands to a specific pattern or field.
04:47
Once you perform the demand allocation,
04:49
you can view the results in the allocation report and water duty calculator.
04:54
In this report, you can compare the allocation results with usage or land use data
05:00
at this point.
05:01
You can use the meter assignment tool to view and assign
05:04
which meters are currently assigned to certain pipes or junctions.
05:08
In the map, you can review where meters are assigned indicated by red lines.
05:14
If you do reassign any meters,
05:16
you can reallocate using the meter junction or
05:18
meter pipe methods with the adjusted data.
Demand Allocation in InfoWater Pro allows users to calculate, distribute, and manage demands in a network model. The evolution of geographical information systems has led to the availability of comprehensive data sets, including land use, water meter locations, and demand area polygons. These data, when properly processed, can be effectively used to create system demands throughout a hydraulic network model.
As a pre-allocation task, GIS data sets are imported, such as all meter records or polygon layers. Each meter in the model needs a spatial location. Use geocoding sources to get this data and join it to a billing systems database to allocate demands. Customer or meter billing data, with distinct X and Y coordinates, provide an accurate measure of localized demands imposed on the water distribution system.
Demands are allocated using the Demand Allocation Manager. There are several distinct allocation methodologies that can be used for the allocation process:
Depending on the allocation method used, relevant settings are available in the Demand Allocation Manager.
The Usage Data tab of the Demand Allocation Manager allows for usage or land use data to apply demands to different demand categories. Users can alter customized water duty factors to allocate demands to a specific pattern or field.
Once the demand allocation is performed, the results can be viewed in the Allocation Report & Water Duty Calculator. In this report, users can compare the allocation results with usage or land use data.
At this point, the Meter Assignment tool is used to view which meters are currently assigned to certain pipes or junctions, and to assign them. In the map, review where meters are assigned, indicated by red lines. If any meters do need to be reassigned, they can be reallocated using the Meter-Junction or Meter-Pipe methods with the adjusted data.
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