Net Line: Difference between revisions

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{{learned|what net loads are|how net loads relate to the Tygron Engine|how net lines are defined|how to create and edit lines}}
[[File:Api_current_situation_network.png|thumb|right|400px|[[Net Line]]s in relation to [[Net Node]]s and [[Net Function]]s.]]
[[Category:Network]]
In the {{software}}, net lines and net nodes, along with [[Net Load]]s, form distribution networks. They are defined by 2 [[Net Node]]s, a starting node and an end node, and a [[Net Function]]. The collection of net lines and net nodes between two arbitrary net nodes is called a path.
{{stub}}
 
==What are net lines==
A line, in network simulation terms, is a connection between different nodes in a resource transport and distribution network. Along with the nodes of the network they form a [//en.wikipedia.org/wiki/Graph_(discrete_mathematics) graph].
 
==How net lines relate to the Tygron Engine==
In the Tygron Engine, net lines and net nodes, along with [[net load]]s, form distribution networks. They are defined by 2 net nodes, a starting node and an end node, and a {{inlink|net line definition}}. The collection of net lines and net nodes between two arbitrary net nodes is called a path.


==Properties of net lines==
==Properties of net lines==
Net lines have a number of properties, mostly related to visualization. They also allow for the definitions of arbitrary [[attributes]].
Net lines have a number of properties, mostly related to visualization. They also allow for the definitions of arbitrary [[attribute]]s.


===Name===
===Name===
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The length of the net line is a property resulting from where the net line starts and ends. This property cannot be edited directly, but is calculated based on its coordinates. This calculation only takes flat distance into account. Terrain height is not taken into account.
The length of the net line is a property resulting from where the net line starts and ends. This property cannot be edited directly, but is calculated based on its coordinates. This calculation only takes flat distance into account. Terrain height is not taken into account.


===Net line definitions===
===Net Function===
Each net line has a reference to a net line definition. The net line definition's attributes, such as its color or visualization diameter, are inherited by their net lines. This allows a single set of properties to be applied to all lines in the network.
Each net line has a reference to a [[Net Function]]. The net function's attributes, such as its color or visualization diameter, are inherited by their net lines. This allows a single set of properties to be applied to all lines in the network.


===Net Type===
===Net Type===
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===Attributes===
===Attributes===
Net lines can have any number of arbitrary [[attributes]]. A few attribute names are reserved and have a special function.
Net lines can have any number of arbitrary [[attribute]]s. A few attribute names are reserved and have a special function. Generally these are defined in their [[Net Function]], but can be overridden by the Net Line.
 
'''DEF_DIAMETER_M''': The diameter of the net line. This can be used in calculations and also affects the width of the net line as visible in the [[3D World]].
 
'''FLOW''': The flow of a net line indicates the amount of the resource that is transported through this net line. If the network's graph is a tree, the direction is implicit and the value can be consistently positive. In more complicated networks, the direction in which the resource is transported may be relevant, and can be indicated with a positive or negative value. By default, the attribute name FLOW is preferred. The specific attribute name used for this is defined as part of the [[Network_settings|settings of the net type]].


'''VISUALIZATION_DIAMETER_M''': The diameter of the net line. Similar to DEF_DIAMETER_M, this attribute affects the visualized width of the net line in the [[3D World]], but is not intended to be used in calculations.
'''COLOR''': The color of the net line used in the visualization of the network.


==Adding and editing net lines==
'''DIAMETER_M''': The diameter of the net line. This can be used in calculations and also affects the width of the net line as visible in the [[3D Visualization]].
It is possible to edit the net lines of the network, but also to import net lines into the project.


===Manually editing===
'''FLOW''': The flow of a net line indicates the amount of the resource that is transported through this net line. If the network's graph is a tree, the direction is implicit and the value can be consistently positive. In more complicated networks, the direction in which the resource is transported may be relevant, and can be indicated with a positive or negative value. By default, the attribute name FLOW is preferred. The specific attribute name used for this is defined as part of the [[Net_Setting|settings of the net type]]. Depending on the [[Net_Setting#Calculation_Model|calculation model]] for networks, this attribute is used in resource flow calculations.


===Importing GeoJSON===
'''PRICE_M''': The price per meter. Can be used to calculate the costs of the net lines.
It is possible to import a geojson file to add net lines to a project.


{{Editor ribbon|header=Network|bar=Lines|dropdown=Import GeoJSON File}}
'''VISUALIZATION_DIAMETER_M''': The diameter of the net line. Similar to DEF_DIAMETER_M, this attribute affects the visualized width of the net line in the [[3D Visualization]], but is not intended to be used in calculations.


It is also possible to select the option of importing data in the Net wizard. In both cases, it is recommended to import all network geojson files at the same time where possible: net lines, net line definitions, and net loads.


The net lines [[GeoJSON]] file should be composed of line data with the following attributes.
{{article end
|howtos=
* [[How to manually edit Net Lines of a network]]
* [[How to import Net Lines using a GeoJSON]]
}}
{{editor current situation nav}}


{| class="wikitable"
[[Category:Items]]
! Attribute
! Description
! Example
! Remark
|-
| NAME
| The name of the net load.
| NetLoad 49
|
|-
| NET_TYPE
| The type of network this net load belongs to
| HEAT
| Note that when connecting net loads and net nodes or net lines of different network types while importing, this is considered incorrect input and behavior of the Tygron Engine will be undefined.
|-
| TYPE_ID
| The net line definition this net line should be based on
| HEAT
| This TYPE_ID should match the ID of one of the simultaneously imported net line definitions. Note that when no net line definition file is being uploaded in the same upload action, this attribute is ignored and the first net line definition of the appropriate net type is used. If none exist, a single net line definition is created and used for all net lines imported of the same net type.
|-
| START_NODE_ID
| The identifying number at one end of the net line
| 15
| rowspan="2" | Net lines are connected at the ends where START_NODE_ID of one net line matches the START_NODE_ID or END_NODE_ID of another net line, and END_NODE_ID of one net line matches the START_NODE_ID or END_NODE_ID of another net line. Note that for the relevant ends of the net lines the coordinates should be close to one another. The START_NODE_ID and END_NODE_ID of a single net line should never be the identical. If the value is unique among all START_NODE_IDs and END_NODE_IDs the net line has an end from where no further net lines continue.
|-
| END_NODE_ID
| The identifying number at the other end of the net line
| 16
|}

Latest revision as of 15:36, 28 February 2023

Net Lines in relation to Net Nodes and Net Functions.

In the Tygron Platform, net lines and net nodes, along with Net Loads, form distribution networks. They are defined by 2 Net Nodes, a starting node and an end node, and a Net Function. The collection of net lines and net nodes between two arbitrary net nodes is called a path.

Properties of net lines

Net lines have a number of properties, mostly related to visualization. They also allow for the definitions of arbitrary attributes.

Name

The name of the net line is generally not visible to the end user, but can be used to keep track of specific net lines while editing, or could be called up using TQL to display more information to an end user.

Length

The length of the net line is a property resulting from where the net line starts and ends. This property cannot be edited directly, but is calculated based on its coordinates. This calculation only takes flat distance into account. Terrain height is not taken into account.

Net Function

Each net line has a reference to a Net Function. The net function's attributes, such as its color or visualization diameter, are inherited by their net lines. This allows a single set of properties to be applied to all lines in the network.

Net Type

The network type this net line belongs to. Each net line can only belong to one type of network.

Attributes

Net lines can have any number of arbitrary attributes. A few attribute names are reserved and have a special function. Generally these are defined in their Net Function, but can be overridden by the Net Line.

COLOR: The color of the net line used in the visualization of the network.

DIAMETER_M: The diameter of the net line. This can be used in calculations and also affects the width of the net line as visible in the 3D Visualization.

FLOW: The flow of a net line indicates the amount of the resource that is transported through this net line. If the network's graph is a tree, the direction is implicit and the value can be consistently positive. In more complicated networks, the direction in which the resource is transported may be relevant, and can be indicated with a positive or negative value. By default, the attribute name FLOW is preferred. The specific attribute name used for this is defined as part of the settings of the net type. Depending on the calculation model for networks, this attribute is used in resource flow calculations.

PRICE_M: The price per meter. Can be used to calculate the costs of the net lines.

VISUALIZATION_DIAMETER_M: The diameter of the net line. Similar to DEF_DIAMETER_M, this attribute affects the visualized width of the net line in the 3D Visualization, but is not intended to be used in calculations.


How-to's

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Current Situation
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Buildings
Function • Function Override • Traffic Units
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Height sector • Elevation model • Elevation GeoTIFF • Elevation Grid Overlay • Ground Price • Terrain Type • Terrain Type Override
Administrative
Neighborhood • Zone • Permission Popup • Plot • Zip Code
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Source • GeoShare
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Net Cluster • Net Function • Net Line • Net Load • Net Node • Net Setting
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