Attribute Overlay: Difference between revisions

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{{learned|what the Attribute overlay is|which additional information is displayed in the hover panel|how to add or remove the Attribute overlay}}
==What the Average overlay is==


[[File:|thumb|250px|left|The attribute overlay of xxx.]]
[[File:Attribute_overlay_example.jpg|thumb|250px|left|The attribute overlay, displaying buildings with traffic flow.]]
 
The attribute overlay is an overlay which highlights the presence of a specific attribute in a data layer. A data type, such as [[building]]s, [[neighborhood]]s, or [[area]]s, is checked. If the data has the specified attribute, it is highlighted in the [[3D Visualization]] by the overlay. This overlay becomes available for each stakeholder.
The Attribute overlay shows xxx [[Grid_Overlay|Grid overlay]].
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==Additional information displayed in hover panel==
==Additional information displayed in hover panel==
[[File:Average_hover_panel.JPG|thumb|250px|left|The average overlay of the urbanization attribute and additional information in the hover panel.]]
[[File:Overlays-attributeoverlay-hover.jpg|thumb|250px|left|The hover panel of the attribute overlay displaying building data.]]
When clicking on a specific location in the map of the average overlay, the hover panel gives additional information over the actual value in that specific grid cell.
When a specific (highlighted) location in the [[3D Visualization]] is clicked, the hover panel can display additional information on the underlying data. The name of the data item being highlighted is displayed, as well as the value of the attribute based on which it is being highlighted. For example, if [[building]]s are highlighted with the [[Traffic Model|TRAFFIC_FLOW]], it will display the name of the building, some information on its size, and the TRAFFIC_FLOW value.
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==Purpose of the Average Overlay==
==Purpose of the Attribute Overlay==
A typical use-case of the Average Overlay is to visualize parameters of a simulation model (e.g. the [[Rainfall _(Overlay)|rainfall overlay]]). A parameter assigned to a grid-cell can be related to one or more layers of the 3D model: [[Constructions|Buildings]], [[Terrains]], [[Areas]] and [[Neighborhoods]].
The primary purpose of the attribute overlay is to highlight data with a specific attribute. This allows for simple, slightly dynamic visualizations of data such as:
==Create an Average Overlay==
* Buildings with traffic data.
* Zones with building height restrictions.
 
The overlay can be further enhanced with some in-software calculations or external processing. By calculating the desired color which should be used to display data (either using [[excel]]s and [[TQL]] statements, or by preprocessing data in an external program and then loading the results in your [[project]]), it's possible to differentiate data in the map using multiple colors. This can allow you to visualize data such as:
* The ages of constructions.
* The types of buildings in the world.
* Self-calculated scores for [[area]]s or [[neighborhood]]s
 
For more information on how to realize the more dynamic use-cases, check the articles on [[Excel]], [[TQL]], the [[Geo Data Wizard]], and [[Attribute#COLOR|color attributes]].
 
Especially when using the dynamic coloring, it is recommended to use the [[custom legend]] functionality to provide the end-user with explanations of the used colors.


{{Editor ribbon|header=Geo Data|bar=Overlays}}
==Configuring the overlay==
[[File:Overlays-right-attributeoverlay.jpg|framed|left|The [[Right Panel]] when an attribute overlay is selected.]]
By default, the overlay does not display any relevant information. The properties of this overlay must be configured first, most notably the attribute based on which to highlight data.


{{Editor steps|title=add the Average overlay|Select in the editor 'Geo Data' from the ribbon|Select 'Overlays' from the ribbon bar|Select the 'Add AVG' overlay|Follow the steps in the configuration wizard (Average Overlay Wizard) in the panel on the right to set create the Average overlay}}
====Name====
[[File:Overlays-right-attributeoverlay-name.jpg|frame|right|The field for the "name".]]
: ''The name of the overlay. This is the name that will appear as the title overlay, when hovering over the related icon on the [[navigation panel]]. It is also the text in the [[Overlay legend panel]] of the overlay as description for the overlay. You can change this by altering the text in the "Name" field.''<br clear=right>


===Average Overlay Wizard===
====Attribute Color and Background Color====
[[File:Average_overlay.JPG|right|200px]]
[[File:Overlays-right-attributeoverlay-color.jpg|frame|right|The fields for the "Attribute Color" and "Background Color".]]
Below an explanation of the steps in the Average Overlay Wizard.  
: ''The colors of the overlay. The "Attribute Color" is the color used to indicate the data with the specified attribute in the 3D Visualization. Note that this will be overwritten if a color attribute is set. The "Background Color" is the color used to color all other areas. You can toggle this on or off with the checkbox. You can change both colors by selecting the color field. A panel will appear in which you can specify the desired color.''<br clear=right>


====Selection type====
====Type====
If you wish to create a spatial smooting, choose Create an average Grid Overlay, if you wish to Gain insight into Grid Cell Values, choose the latter option.
[[File:Overlays-right-attributeoverlay-type.jpg|frame|right|The selection dropdown for data type.]]
: ''The data type which should be checked by the overlay. The type of data you wish to highlight must be explicitly selected. You can change the data type by selecting a different type in the dropdown menu.''<br clear=right>


====Select attribute value====
====Filter Attribute====
Select the attribute from the list of all the attributes your project contains, you want to create an overlay from.
[[File:Overlays-right-attributeoverlay-filter-attribute.jpg|frame|right|The attribute which should be highlighted by the overlay.]]
: ''The attribute which should be present for the data to be highlighted. To select an attribute which already exists, the "Select" option can be used. It is also possible to enter an attribute name yourself.''<br clear=right>


====Select Layer====  
====Color Attribute====
[[File:Overlays-right-attributeoverlay-color-attribute.jpg|frame|right|The attribute which defines the color to be used to highlight this data.]]
: ''If set, this attribute is used to determine the color with which to highlight the data. This allows for a more detailed overview of the highlighted data. To select an attribute which already exists, the "Select" option can be used. It is also possible to enter an attribute name yourself.''<br clear=right>


Attributes can be assigned to one of more layers in the 3D model: [[Constructions|Buildings]], [[Terrains]], [[Areas]] and [[Neighborhoods]]. In this step you can select the following options for choosing which attribute values you would like to see:
==How-to's==
*Filter occurrence in Layers: an attribute value is selected from order of occurrence in the model data layers mentioned above
* [[How to add and remove an Overlay]]
*Minimum values in Layers. The minimum value is selected from all layers above
* [[How to edit an overlay legend]]
*Maximum values in Layers. The maximum value is selected from all layers above
* [[How to add and remove an Attribute]]
*Specific Layer only. A specific layer can be selected.


====Optional step: select distance====
{{Template:Overlay nav}}
This step is optional and shows only when selected the create grid overlay option in step 1. in this step a smoothing distance value can be chosen.
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After following these steps, you have created an Average overlay. Perhaps it is an idea to also customize the legend of the overlay so that it is clear what you want to show with the overlay. 
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{{Editor steps|title=remove the Average overlay|Select in the editor 'Geo Data' from the ribbon|Select 'Overlays' from the ribbon bar|Select the desired overlay from the list of active overlays on the left panel|Select 'remove' from the bottom of the left panel|Confirm the removal in the pop up confirmation message}}

Latest revision as of 09:29, 28 September 2023

The attribute overlay, displaying buildings with traffic flow.

The attribute overlay is an overlay which highlights the presence of a specific attribute in a data layer. A data type, such as buildings, neighborhoods, or areas, is checked. If the data has the specified attribute, it is highlighted in the 3D Visualization by the overlay. This overlay becomes available for each stakeholder.

Additional information displayed in hover panel

The hover panel of the attribute overlay displaying building data.

When a specific (highlighted) location in the 3D Visualization is clicked, the hover panel can display additional information on the underlying data. The name of the data item being highlighted is displayed, as well as the value of the attribute based on which it is being highlighted. For example, if buildings are highlighted with the TRAFFIC_FLOW, it will display the name of the building, some information on its size, and the TRAFFIC_FLOW value.

Purpose of the Attribute Overlay

The primary purpose of the attribute overlay is to highlight data with a specific attribute. This allows for simple, slightly dynamic visualizations of data such as:

  • Buildings with traffic data.
  • Zones with building height restrictions.

The overlay can be further enhanced with some in-software calculations or external processing. By calculating the desired color which should be used to display data (either using excels and TQL statements, or by preprocessing data in an external program and then loading the results in your project), it's possible to differentiate data in the map using multiple colors. This can allow you to visualize data such as:

  • The ages of constructions.
  • The types of buildings in the world.
  • Self-calculated scores for areas or neighborhoods

For more information on how to realize the more dynamic use-cases, check the articles on Excel, TQL, the Geo Data Wizard, and color attributes.

Especially when using the dynamic coloring, it is recommended to use the custom legend functionality to provide the end-user with explanations of the used colors.

Configuring the overlay

The Right Panel when an attribute overlay is selected.

By default, the overlay does not display any relevant information. The properties of this overlay must be configured first, most notably the attribute based on which to highlight data.

Name

The field for the "name".
The name of the overlay. This is the name that will appear as the title overlay, when hovering over the related icon on the navigation panel. It is also the text in the Overlay legend panel of the overlay as description for the overlay. You can change this by altering the text in the "Name" field.

Attribute Color and Background Color

The fields for the "Attribute Color" and "Background Color".
The colors of the overlay. The "Attribute Color" is the color used to indicate the data with the specified attribute in the 3D Visualization. Note that this will be overwritten if a color attribute is set. The "Background Color" is the color used to color all other areas. You can toggle this on or off with the checkbox. You can change both colors by selecting the color field. A panel will appear in which you can specify the desired color.

Type

The selection dropdown for data type.
The data type which should be checked by the overlay. The type of data you wish to highlight must be explicitly selected. You can change the data type by selecting a different type in the dropdown menu.

Filter Attribute

The attribute which should be highlighted by the overlay.
The attribute which should be present for the data to be highlighted. To select an attribute which already exists, the "Select" option can be used. It is also possible to enter an attribute name yourself.

Color Attribute

The attribute which defines the color to be used to highlight this data.
If set, this attribute is used to determine the color with which to highlight the data. This allows for a more detailed overview of the highlighted data. To select an attribute which already exists, the "Select" option can be used. It is also possible to enter an attribute name yourself.

How-to's