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{{learned|what an attribute is|how the concept of attributes relates to the Tygron Engine|how to add or remove attributes|how to edit attributes }}
A number of components, such as [[neighborhood]]s, [[area]]s, [[building]]s and [[zone]]s, have adjustable attributes. These attributes are used:
* to provide meaningful information
* as parameters in calculations
* to provide (visual) information to distinguish themselves among peers


==What is an Attribute?==
Attributes can be defined and redefined by a user. Some attributes are predefined by the {{software}} and already exist as default properties of a component. Some components can even inherit properties from other type of components, such as a [[Building]] that inherits attributes from it's referenced [[Function]].
An attribute is a characteristic of a particular component in the 3D world. The Engine assets where attributes are applied to are: [[Neighborhoods|neighborhoods]], [[Areas|areas]], [[Constructions|constructions]] and [[Zones|zones]]. An attribute is always an number and can have a positive or a negative value.


==Attributes in relation to the Tygron Engine==
In general the {{software}} allows users to inspect, adjust and reset existing attributes of these components and define and remove new ones.
Attributes contain information about a particular component which can be used in [[Excel|Excel]] calculations.  


==How to add and remove attributes==
The group of components than can store attributes is called ''Attribute Items''. The current list of ''Attribute Items'' is:
* [[Area]]s
* [[Building]]s
* [[Functions]] and their overrides
* [[Indicator]]s
* [[Neighborhood]]s
* [[Net load]]s
* [[Net line]]s
* [[Net line#Net line definitions|Net function]]s
* [[Overlay]]s
* [[Panel]]s
* [[Terrain]]s
* [[Weather]]s
* [[Zone]]s


When a new project is created with an empty map, the [[3D World]] is divided into 4 default zones. When the area is relatively small, this could be acceptable. However, it may be desirable to change the default zoning. Projects which have been generated with [[wizard|GIS]] data will have zones based on the available data.
Note that although [[Global]]s seem to behave similarly to attributes, they are not part of any specific ''Attribute Item'' in a project. Instead they are individual components part of the project.


{{Editor ribbon|header=3D World|bar=Zoning}}
==Attribute values==
[[File:zoning-left.jpg|framed|left|The left panel allows you to add, remove and select zones]]
An attribute always consists of a name and a value. The name of an attribute is usually written in capital letters, and uses underscores in place of spaces. The value must always be a number. It can be either a positive or a negative number. The number can also be a decimal number (I.e., the value is not necessarily a whole number).
: To add new zones to the 3D world, open the Zoning panel in the editor. In the left panel, select "Add". A new zone will appear in the list of zones. Please note that this is still an "empty" zone, since no actual area is assigned yet.
: To remove a zone from the list, select the zone that you wish to remove, and select "Remove".


{{Editor steps|title=add zones to the 3D world|Open the Zoning panel|Select "Add".}}
''Note that not there are some [[TQL_name|restrictions for attribute names]].''
{{Editor steps|title=remove zones from the 3D world|Open the Zoning panel|Select the zone you wish to remove.|Select "Remove"}}<br clear=all>


==Editing attributes==
Some components have properties which are also reflected in attributes. Properties such as the color of the component are present both as a dedicated property and as an attribute. By changing the property, the attribute is changed as well. When the attribute is changed, the property is changed as well.
{{Editor ribbon|header=3D World|bar=Zoning|left panel=Zone}}
[[File:zoning-right.jpg|framed|left|The right panel allows you to edit the properties of zones.]]
When a zone has been selected in the left panel, the properties of that zone can be edited in the right panel.


====Name====
Each component which can have attributes has their own list of attributes. When a given area has an attribute with a specific name, another area may or may not have an attribute with the same name as well. When 2 components have an attribute with the same name, their values are also still set per component. That means that they may coincidentally have the same value, but when the value of the attribute of one component is changed, the value of the attribute of the other component is not automatically changed as well.
[[File:zoning-right-name.jpg|framed|right|The field for the "Name".]]
: ''The "Name" field is where the name of a zone can be changed. The name of a zone can be seen on the zoning [[overlay]]. By entering a new name in the "Name" field, the zone can be given a more identifying name.''<br clear=right>


====Color====
[[File:zoning-right-color.jpg|framed|right|The selector for the "Color".]]
:''The color selector allows the zone color to be edited. The zone Color can be seen in the zoning [[overlay]]. The zone color is used for assigning different colors to different zones, to help users to distinguish the defined zones. By selecting the "Color" field, a new panel opens, in which a new identification color for the highlighted zone can be selected. ''<br clear=right>


====Add new Attribute with Name====
[[File:zoning-right-description.jpg|framed|right|The field for the "Description".]]
:''The description field is for describing the selected zone. Here a short text describing the zone can be entered.''<br clear=right>


====Add new Attribute with Value====
===Attribute arrays===
[[File:zoning-right-floors.jpg|framed|right|The field for the "Floors".]]
{{main|Attribute array}}
: ''The floors field allows the maximum amount of floors to be set for the zone. This is commonly used to influence the skyline, population density and other urban planning issues. In a densely populated big city, having higher buildings helps creating living and working spaces for the inhabitants. In rural areas or outskirts, preservation of a more natural skyline might be desired.''<br clear=right>
Attributes are most commonly a single value, but can also be an array of values.


====Reset variables====
===Attribute values during a session===
[[File:zoning-right-functions.jpg|framed|right|The list of function categories that can be allowed.]]
Attributes can be read during a session. Primarily, it is possible to read attributes of components using [[TQL]]. By requesting the value of an attribute of a component using TQL, the value of that attribute can be used in, for example, [[Excel]] calculations.
: ''Adding an allowed function category to a zone enables stakeholders to plan constructions of that category function inside the zone. To add a function category to a zone, check the checkbox next to the desired category. To disallow a function category, make sure the checkbox next to the desired category is unchecked.''<br clear=right>
 
It is possible that, when requesting the value of an attribute of a component, that attribute does not exist for that component. In this case, the value of that attribute is deemed to be "0".
 
''Note that this means that an attribute value of 0 can mean that the proper value of the attribute is 0, or that the attribute does not exist.
 
Attributes can also be changed during a session. This can be done either via [[Event]]s or via [[TQL]]. Events, such as AREA_SET_ATTRIBUTE or ZONE_SET_ATTRIBUTE, can be used in the {{software}} to change the values of attributes. Attributes can also be changed using TQL, which means that attributes can be changed as a result of an Excel calculation.
 
===Common attribute values===
Some attributes may have a more exact spectrum of values which are valid. For example, the ACTIVE attribute is either 1 or a 0.
 
''Note that these attributes can be given other values as well. The resulting behavior for calculations and functionality depending on these attributes is undefined.
 
====ACTIVE====
: ''Applies to: [[Area]]s, [[Neighborhood]]s, [[Overlay]]s, [[Indicator]]s and [[Stakeholder]]s
Some components may have an "active" property. When that property indicates the component is active, the "ACTIVE" attribute's value is "1". When the component is inactive, the attribute's value is "0".
 
====COLOR====
: ''Applies to: [[Area]]s, [[Neighborhoods]], [[Zone]]s
{{main|Color}}
Spatial components with attributes commonly have a "COLOR" attribute, defining the color by which they are displayed.The value corresponds to the color property of that component. When that color property is changed, the attribute is changed, and vice versa.
 
===Examples of special attribute values===
 
====URBANIZATION====
: ''Applies to: [[Neighborhoods]]
The "URBANIZATION" attribute is an indicator for the degree of urbanization. It ranges from 1 (dense urbanization) to 5 (virtually no urbanization).
 
====NATURE_RESERVE====
: ''Applies to: [[Area]]s
The "NATURE_RESERVE" attribute indicates whether an area is a protected area of nature. This usually means the allowance for pollution and noise is lower. Areas with an "NATURE_RESERVE" attribute value of "1" are deemed protected nature. When the attribute's value is 0, the area is not necessarily deemed protected nature.
 
{{article end
| notes=
* When removing attributes which are related to properties of the component, the value of the properties will be changed as well, as though the attribute was set to "0".
| howtos=
[[File:Attribute editing panel.jpg|thumb|right|The [[right panel]] allows you to add new attributes. The top half allows you to edit existing attributes, the bottom half allows you to add new attributes.]]
* [[How to add an Attribute]]
* [[How to remove an Attribute]]
* [[How to edit an Attribute]]
* [[How to import Attributes]]
* [[How to remove Attributes from multiple Items]]
* [[How to change multiple Attributes at once for Water Overlays]]
| seealso=
* [[Overlay Key]]
* [[Global]]
}}

Latest revision as of 16:14, 26 January 2023

A number of components, such as neighborhoods, areas, buildings and zones, have adjustable attributes. These attributes are used:

  • to provide meaningful information
  • as parameters in calculations
  • to provide (visual) information to distinguish themselves among peers

Attributes can be defined and redefined by a user. Some attributes are predefined by the Tygron Platform and already exist as default properties of a component. Some components can even inherit properties from other type of components, such as a Building that inherits attributes from it's referenced Function.

In general the Tygron Platform allows users to inspect, adjust and reset existing attributes of these components and define and remove new ones.

The group of components than can store attributes is called Attribute Items. The current list of Attribute Items is:

Note that although Globals seem to behave similarly to attributes, they are not part of any specific Attribute Item in a project. Instead they are individual components part of the project.

Attribute values

An attribute always consists of a name and a value. The name of an attribute is usually written in capital letters, and uses underscores in place of spaces. The value must always be a number. It can be either a positive or a negative number. The number can also be a decimal number (I.e., the value is not necessarily a whole number).

Note that not there are some restrictions for attribute names.

Some components have properties which are also reflected in attributes. Properties such as the color of the component are present both as a dedicated property and as an attribute. By changing the property, the attribute is changed as well. When the attribute is changed, the property is changed as well.

Each component which can have attributes has their own list of attributes. When a given area has an attribute with a specific name, another area may or may not have an attribute with the same name as well. When 2 components have an attribute with the same name, their values are also still set per component. That means that they may coincidentally have the same value, but when the value of the attribute of one component is changed, the value of the attribute of the other component is not automatically changed as well.


Attribute arrays

Main article: Attribute array

Attributes are most commonly a single value, but can also be an array of values.

Attribute values during a session

Attributes can be read during a session. Primarily, it is possible to read attributes of components using TQL. By requesting the value of an attribute of a component using TQL, the value of that attribute can be used in, for example, Excel calculations.

It is possible that, when requesting the value of an attribute of a component, that attribute does not exist for that component. In this case, the value of that attribute is deemed to be "0".

Note that this means that an attribute value of 0 can mean that the proper value of the attribute is 0, or that the attribute does not exist.

Attributes can also be changed during a session. This can be done either via Events or via TQL. Events, such as AREA_SET_ATTRIBUTE or ZONE_SET_ATTRIBUTE, can be used in the Tygron Platform to change the values of attributes. Attributes can also be changed using TQL, which means that attributes can be changed as a result of an Excel calculation.

Common attribute values

Some attributes may have a more exact spectrum of values which are valid. For example, the ACTIVE attribute is either 1 or a 0.

Note that these attributes can be given other values as well. The resulting behavior for calculations and functionality depending on these attributes is undefined.

ACTIVE

Applies to: Areas, Neighborhoods, Overlays, Indicators and Stakeholders

Some components may have an "active" property. When that property indicates the component is active, the "ACTIVE" attribute's value is "1". When the component is inactive, the attribute's value is "0".

COLOR

Applies to: Areas, Neighborhoods, Zones
Main article: Color

Spatial components with attributes commonly have a "COLOR" attribute, defining the color by which they are displayed.The value corresponds to the color property of that component. When that color property is changed, the attribute is changed, and vice versa.

Examples of special attribute values

URBANIZATION

Applies to: Neighborhoods

The "URBANIZATION" attribute is an indicator for the degree of urbanization. It ranges from 1 (dense urbanization) to 5 (virtually no urbanization).

NATURE_RESERVE

Applies to: Areas

The "NATURE_RESERVE" attribute indicates whether an area is a protected area of nature. This usually means the allowance for pollution and noise is lower. Areas with an "NATURE_RESERVE" attribute value of "1" are deemed protected nature. When the attribute's value is 0, the area is not necessarily deemed protected nature.

Notes

  • When removing attributes which are related to properties of the component, the value of the properties will be changed as well, as though the attribute was set to "0".

How-to's

The right panel allows you to add new attributes. The top half allows you to edit existing attributes, the bottom half allows you to add new attributes.

See also

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