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{{learned|what an overlay is|how overlays relate to the Tygron Engine interface|how to access overlays in a project|which overlays exist|how to add or remove overlays|}}
[[File:Api_current_situation_calculation.png|thumb|right|400px|[[Overlay]] in comparison to [[Measurement]]s, [[Indicator]]s and [[Global]]s]]
==What are overlays==
An overlay is a layer visualized on top of the [[terrain]] and [[building]]s in the 3D visualization. Overlays can provide spatial insight into specific subject, such as the variation of height and ownership. The visualized properties can originate from the current state of the project or from a result of a spatial calculation.  
An overlay is a layer drawn over the 3D world to illustrate different properties. They do not contain all the information of a given visualization, but serve as a supplement. By adding these properties onto the same view, the additional information can immediately be made understandable in the same way. A reason to split information off into other layers in this fashion can be to avoid overwhelming a user with too much information.


==How do overlays relate to the Tygron Engine interface==
However, most overlays that can be added to a project use an underlying calculation model, which rasterize the spatial data and apply calculations to it to produce various (intermediate) results. These computational overlays can range from simple distance and average operations to complex water simulations. For these more complex Overlays with multiple results, additional [[Result Child Overlay]]s can be added. The calculation main and child results will always be governed by the main overlay, also called the [[Result Parent Overlay]].
Overlays are implemented in the Tygron Engine as part of the [[interface]]. Properties such as [[ownership]] and [[zoning]] are important pieces of information to the [[user]], but would be very overwhelming to display at all times. Instead, a user can activate on overlay to make these pieces of information visible. In principle, all spatially varied information is accessible as an overlay.


{{clear}}
==How to access overlays in a project==
==How to access overlays in a project==
[[File:Overlays-Icons.jpg|thumb|left|How to access overlays]]
[[File:Overlays-Icons.png|thumb|left|Overlay buttons in the [[Navigation Panel]] can be clicked to show that specific [[Overlay]]. The [[Parent Overlay]]s are indicated with the yellow rectangles and the [[Child Overlay]]s with the red rectangle]]
Overlays available to stakeholders appear as buttons on the right side of the interface. To switch to a specific overlay, use the button to switch to the designated overlay. To switch back to the default view, switch to the "City" overlay. Some overlays are default available when a project is created, see [[#Default_overlays| default overlay types]]. Some overlays are very closely related to indicators, such as [[Heatstress]] and [[Livability.]]
Overlays available to stakeholders appear as buttons on the right side of the interface. Clicking on any of these buttons will switch the view to the specific overlay. Clicking on the "City" overlay will switch the view back to default. Some overlays are {{inlink|Default Overlays|automatically added}} when a project is created. Some overlays are closely related to indicators, such as [[Heat (Overlay)|Heatstress]] and [[Livability (Overlay)|Livability.]]
<br style='clear:both;'>


==Default overlays==
===Parent Overlay===
The following overlays are available by default when creating a new project:
Overlays can be grouped together using a Parent-Child hierarchy. Hovering over any of the Overlays in the [[Navigation Panel]] will show additional icons for the Child Overlays of that Overlay.
* [[Overlay#City|City]]
* [[Overlay#Neighborhoods|Neighborhoods]]
* [[Overlay#Ownership|Ownership]]
* [[Overlay#Zoning|Zoning]]


==Special overlays==
Every Overlay is considered a Parent Overlay, unless it has a Parent Overlay set, in which case it becomes a Child Overlay of that Parent Overlay. Overlays with Child Overlays cannot be a Child Overlay to another Overlay. [[Result Child Overlay]]s are always Child Overlays of other Overlays.
====City====
[[File:City-Overlay2.jpg|thumb|left|Default City overlay]]
''The default view. This Overlay displays the [[project detail area]] in natural colors. Hovering over a location displays properties of the [[constructions|construction]] or [[terrain]] type in that location.''
<br clear=all>


====Difference====
When a parent overlay is removed, it's child overlays are not removed, unless the child overlay is a result child type overlay. Otherwise, they simply have no parent overlay set anymore and become a parent overlay themselves.
[[File:Additional_info.jpg|thumb|left|Example of the Difference Overlay for Heatstress]]
{{clear}}
: ''Main article: [[Difference (Overlay)]].
: ''This overlay shows the difference of [[Grid_Overlay|Grid Overlays]] between maquette state and the original state.''
<br clear=all>


==Environmental overlays==
==List of available Overlays==
The following dynamic overlays are [[Grid_Overlay|grid overlays]] and show effects on the environment.
{{Overlays|suppresscategory=true|allowselflinks=true|
{{Overlays|type=row|overlay=City                  |icon=normal              |category= Default        | otype=None                  | display=The default view without any overlay}}
{{Overlays|type=row|overlay=Ownership            |icon=ownership            |category= Administrative | otype=Feature              | display=Ownership of constructions/ plots}}
{{Overlays|type=row|overlay=Ownership Grid        |icon=ownership_grid      |category= Administrative | otype=[[Grid overlay|Grid]] | display=Ownership of constructions/ plots}}
{{Overlays|type=row|overlay=Municipalities        |icon=municipalities      |category= Administrative | otype=Feature              | display=Municipalities in the project area}}
{{Overlays|type=row|overlay=Neighborhoods        |icon=neighborhoods        |category= Administrative | otype=Feature              | display=Neighborhoods in the project area}}
{{Overlays|type=row|overlay=Vacancy              |icon=vacancy              |category= Administrative | otype=Feature              | display=Constructions marked as vacant are highlighted}}
{{Overlays|type=row|overlay=Zipcodes              |icon=zip_codes            |category= Administrative | otype=Feature              | display=Postal codes}}
{{Overlays|type=row|overlay=Zoning                |icon=zoning              |category= Administrative | otype=Feature              | display=Zoning (related to zoning plans)}}
{{Overlays|type=row|overlay= Aerius              |icon=aerius              |category= Environmental  | otype=[[Grid overlay|Grid]] | display=Impact of traffic<!--, industry and construction--> on NOX and NH3 polution on Natura 2000 areas in the Netherlands}}
{{Overlays|type=row|overlay= Heat                |icon=heat_stress          |category= Environmental  | otype=[[Grid overlay|Grid]] | display=Urban heat stress}}
{{Overlays|type=row|overlay= Livability          |icon=livability          |category= Environmental  | otype=[[Grid overlay|Grid]] | display=Livability score}}
{{Overlays|type=row|overlay= Traffic Density      |icon=traffic_density      |category= Environmental  | otype=[[Grid overlay|Grid]] | display=Traffic density}}
{{Overlays|type=row|overlay= Traffic Noise        |icon=traffic_noise        |category= Environmental  | otype=[[Grid overlay|Grid]] | display=Impact of traffic noise polution on surrounding area}}
{{Overlays|type=row|overlay= Traffic NO2          |icon=traffic_no2          |category= Environmental  | otype=[[Grid overlay|Grid]] | display=Impact of traffic NO2 polution on surrounding area}}
{{Overlays|type=row|overlay=Flooding              |icon=flooding            |category= Water          | otype=[[Grid overlay|Grid]] | display=Impact of flooding on inundation}}
{{Overlays|type=row|overlay=Groundwater          |icon=groundwater          |category= Water          | otype=[[Grid overlay|Grid]] | display=Underground water tables}}
{{Overlays|type=row|overlay=Rainfall              |icon=rainfall            |category= Water          | otype=[[Grid overlay|Grid]] | display=Impact of rainfall on inundation}}
{{Overlays|type=row|overlay=Subsidence            |icon=subsidence          |category= Water          | otype=[[Grid overlay|Grid]] | display=Areas subject to subsidence}}
{{Overlays|type=row|overlay=Watershed            |icon=watershed            |category= Water          | otype=[[Grid overlay|Grid]] | display=Discharge areas based on DTM or Water overlay's flow direction.}}
{{Overlays|type=row|overlay=Waterwijzer          |icon=waterwijzer          |category= Water          | otype=[[Grid overlay|Grid]] | display=Crop yield loss based on ground water levels and type of soil.}}
{{Overlays|type=row|overlay=Average              |icon=avg                  |category= Grid Calculation | otype=[[Grid overlay|Grid]] | display=Smoothened values of grid cells}}
{{Overlays|type=row|overlay=Distance              |icon=distance            |category= Grid Calculation | otype=[[Grid overlay|Grid]] | display=Defined contour around an object}}
{{Overlays|type=row|overlay=Sight Distance        |icon=sight_distance      |category= Grid Calculation | otype=[[Grid overlay|Grid]] | display=Combined distance zone with line of sight}}
{{Overlays|type=row|overlay=Travel Distance      |icon=travel_distance      |category= Grid Calculation | otype=[[Grid overlay|Grid]] | display=Contour based on travel distance}}
{{Overlays|type=row|overlay=Inference      |icon=travel_distance      |category= Grid Calculation | otype=[[Grid overlay|Grid]] | display=AI Inference}}
{{Overlays|type=row|overlay=Iteration      |icon=travel_distance      |category= Grid Calculation | otype=[[Grid overlay|Grid]] | display=Iteration Collector}}
{{Overlays|type=row|overlay=Area                  |icon=area                |category= Geo Data        | otype=Feature              | display=Selection of [[Area]]s}}
{{Overlays|type=row|overlay=Attribute            |icon=attribute            |category= Geo Data        | otype=Feature              | display=Presence of a specific attribute in a data layer}}
{{Overlays|type=row|overlay=Combo                |icon=combo                |category= Grid Calculation | otype=[[Grid overlay|Grid]] | display=Combines up to three grid overlays using mathematical functions and boolean operators.}}
{{Overlays|type=row|overlay=GeoTIFF              |icon=geo_tiff            |category= Geo Data        | otype=[[Grid overlay|Grid]] | display=External data in GeoTIFF format}}
{{Overlays|type=row|overlay=Image                |icon=image                |category= Geo Data        | otype=[[Grid overlay|Grid]] | display=A custom image}}
{{Overlays|type=row|overlay=WCS                  |icon=wcs                  |category= Geo Data        | otype=[[Grid overlay|Grid]] | display=Stores the GeoTIFF result of a Web Coverage Service as a Grid Overlay.}}
{{Overlays|type=row|overlay=WMS                  |icon=wms                  |category= Geo Data        | otype=[[Grid overlay|Grid]] | display=Stores the result of a Web Image Service as a Grid Overlay.}}
{{Overlays|type=row|overlay=Satellite            |icon=heightmap            |category= Topography    | otype=[[Grid overlay|Grid]] | display=Satellite Imagery}}
{{Overlays|type=row|overlay=Digital Surface Model |icon=heightmap            |category= Topography    | otype=[[Grid overlay|Grid]] | display=Height of the terrain and building heights (DSM)}}
{{Overlays|type=row|overlay=Digital Terrain Model |icon=heightmap            |category= Topography    | otype=[[Grid overlay|Grid]] | display=Height of the terrain (DTM)}}
{{Overlays|type=row|overlay=Function              |icon=function            |category= Geo Data      | otype=Feature              | display=Highlights specific [[functions]]/ [[building]]s}}
{{Overlays|type=row|overlay=Source                |icon=source              |category= Topography    | otype=Feature              | display=Datasets/sources currently in use for generating the project}}
{{Overlays|type=row|overlay=Underground          |icon=underground          |category= Topography    | otype=Feature              | display=Underground composition}}
{{Overlays|type=row|overlay=Network Distance      |icon=network_distance    |category= Networks      | otype=Feature              | display=Distance to lines of a network}}
{{Overlays|type=row|overlay=Network Overview      |icon=network_overview    |category= Networks      | otype=Feature              | display=Lines, loads and cluster topography of a network}}
{{Overlays|type=row|overlay=Network Ownership    |icon=network_ownership    |category= Networks      | otype=Feature              | display=Ownership of lines, loads and clusters of a network}}
}}


====Heat stress====
{{article end
[[File:Heatstress_overlay.PNG|thumb|left|Example of the Heat stress overlay]]
|howtos=
: ''Main article: [[Heat (Overlay)| Heat (Overlay)]].
'''General:'''
: ''This overlay displays the Heat Stress. The overlay displays the average temperature deviation (positive or negative) for the project area, giving an indication of where the most heat-stress is occurring.''
<div style="column-count:2">
<br clear=all>
* [[How to add and remove an Overlay]]
* [[How to add your own Overlay Icon]]
* [[How to sort Overlays]]
* [[How to edit an overlay legend]]
* [[How to use the Overlay Overview]]
</div>
'''Grid Overlay specific:'''
<div style="column-count:2">
* [[How to configure a Grid Overlay's legend]]
* [[How to set an Overlay to active or inactive]]
* [[How to delay Grid Overlay calculations]]
* [[How to force Grid Overlays to recalculate]]
* [[How to create an overlay for visualizing your own geographical vector information]]
* [[How to use a Grid Overlay to change the elevation model]]
* [[How to smooth Grid Overlay results]]
</div>
'''In/out:'''
<div style="column-count:2">
* [[How to export a Grid Overlay as ASCII]]
* [[How to export a Grid Overlay as GeoJSON]]
* [[How to export a Grid Overlay as GeoTIFF]]
* [[How to export a Grid Overlay as png]]
* [[How to show Overlays in Power BI]]
</div>
|notes=
* The following overlays are added automatically when creating a new project: [[City_Overlay|City]], [[Neighborhoods_(Overlay)|Neighborhoods]] and [[Ownership_(Overlay)|Ownership]]. Depending on the [[Project Source|project sources]], [[Zoning_(Overlay)|Zoning]] and [[Underground Overlay]] can also be added.
* [[Grid overlay]]s have the ability to show the [[Difference (Overlay)|difference]] between the maquette and the current state. The difference visualization uses its own legend, which can also be manually adjusted. The option to show the difference can be turned on or off per Grid Overlay.
* Overlays can be given [[Attribute]]s. Some of these Attributes are used by their calculation model.
* Some overlays can have the option to visualize different (intermediate) results of its calculation. These are configured using the [[Result_type|result types]]. For example, for the [[Water Overlay]] the [[Result_type_(Water_Overlay)|result types]] include the [[surface last value result type (Water Overlay)|surface last value result type]] and the [[ground watertable result type (Water Overlay)|groundwater result type]] for water above and below ground respectively.
* Some overlays store multiple [[Timeframes_(Water_Overlay)|timeframes]] of results. Examples are the [[Water Overlay]] and the [[Heat Overlay]]. Each timeframe is a complete snapshot of results of the entire project area. These results can be viewed in sequence. When these overlays are visualized in the [[Web_Interface|2D map]], the last timeframe is shown.  
|seealso=
*[[Grid Overlay]]
}}
{{Overlay nav}}
{{Editor current situation nav}}


====Livability====
[[Category:Items]]
[[File:Livability-Overlay.jpg|thumb|left|Optional Livability overlay, linked to Livability indicator]]
: ''Main article: [[Livability (Overlay)| Livability (Overlay)]].
: ''This overlay displays the average livability for each part of the project detail area, giving an indication whether the livability is good, average or bad. This overlay becomes available for each stakeholder with an [[Indicator_Weights|interest]] in the [[Livability_(Indicator)|livability indicator]]. In other words, the overlay is only visible when the livability indicator is also active for the selected stakeholder.''
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====Traffic Flow====
[[File:Traffic_Flow-Overlay.jpg|thumb|left|Optional Traffic Flow overlay]]
: ''Main article: [[Traffic Flow (Overlay)| Traffic Flow (Overlay)]].
: ''This overlay displays the flow of traffic through roads. It becomes available for all stakeholders when added to a project.
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====Traffic NO2 (Air polution effect)====
[[File:Traffic_NO2-Overlay.jpg|thumb|left|Optional Traffic NO2 (Air polution effect) overlay]]
: ''Main article: [[Traffic NO2(Overlay)| Traffic NO2 (Overlay)]].
: ''This overlay displays the impact of traffic air polution (nitrogen dioxide) on the surrounding area. It becomes available for all stakeholders when added to a project.
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====Traffic Noise====
[[File:Traffic_Noise-Overlay.jpg|thumb|left|Optional Traffic Noise overlay]]
: ''Main article: [[Traffic Noise (Overlay)| Traffic Noise (Overlay)]].
: ''This overlay displays the impact noise polution of traffic has on the surrounding area. It becomes available for all stakeholders when added to a project.
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====Nature Reserve====
 
==Buildings overlays==
====Vacancy====
[[File:Vacancy-Overlay.jpg|thumb|left|Optional Vacancy overlay]]
: ''Main article: [[Vacancy (Overlay)]].
: ''This overlay shows all constructions in the project area which have been set as vacant in the Editor.''
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====Neighborhoods====
[[File:Neighborhoods.JPG|thumb|left|Example of the Neighborhoods overlay]]
: ''Main article: [[Neighborhoods (Overlay)]].
: This overlay is available by default and shows the division in neighborhoods and statistics concerning those areas. The data used for this overlay is from the CBS Wijk- en Buurtkaart.
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====Ownership====
[[File:Property-Overlay2.jpg|thumb|left|Example of the Ownership overlay]]
: ''Main article: [[Ownership (Overlay)]].
: This overlay is available by default. This overlay displays the [[ownership]] of properties across the entire project area, using each stakeholder's colors. This is important when considering which stakeholder may perform actions such as constructing or demolishing at a given location, or whom to negotiate with for [[land transactions]].
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====Zip codes====
[[File:Zipcodes.JPG|thumb|left|Example of the Zipcodes overlay]]
: This overlay displays the division into 6-digits zipcode areas. This overlay is an Image overlay. 
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====Zoning====
[[File:Zoning-Overlay2.jpg|thumb|left|Default Zoning overlay]]
: This overlay is available by default. The overlay displays the [[zoning|zoning plan]] for the entire project detail area. This is helpful when considering indicators which are scored per zone, and when looking to construct a building which is restricted to certain zones.
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==Landscape overlays==
====Heightmap====
: ''Main article: [[Heightmap (Overlay)]].
: ''This overlay displays the height of the [[terrain]]. The overlay becomes available for all stakeholders when added to a project.''
 
====Underground====
[[File:Underground.JPG|thumb|left|Example of an Underground overlay]]
: ''Main article: [[Underground (Overlay)]].
: ''This overlay displays the underground [[terrain]] composition. The overlay becomes available for all stakeholders when added to a project.''
<br clear=all>
 
==Water overlays==
====Terrain Flooding====
[[File:Terrain_Flooding-Overlay.jpg|thumb|left|Optional Terrain Flooding overlay]]
: ''Main article: [[Terrain Flooding (Overlay)| Terrain Flooding (Overlay)]].
: ''This overlay displays active [[Areas#Safe zone|flooding areas]]. This overlay becomes available for each stakeholder.''
<br clear=all>
====Rainfall====
[[File:Rainfall-Overlay.jpg|thumb|left|Rainfall overlay, also known as the inundation module]]
: ''Main article: [[Rainfall (Overlay)]].
: ''This overlay calculates the flow of water across the [[3D world]] both above ground and underground, to provide insight into inundation intensities and durations. This is an expert hydrology module. It becomes available for all stakeholders when added to a project.''
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<!--===Subsidence collection===
: ''Main article: [[Subsidence calculation]].
The subsidence collection of overlays are a collection of overlays which concern peat subsidence. Because of the interconnected nature of ground water levels and subsidence, these overlays all contain the same model for their calculations, but will display different outputs.-->
====Subsidence====
[[File:Subsidence-Overlay.jpg|thumb|left|The subsidence overlay]]
: ''Main article: [[Subsidence (Overlay)]].
: This overlay calculates the subsidence of peat in the project area. The subsidence can be caused by oxidation and compaction of the soil. This overlay is part of the [[Subsidence calculation]] collection of overlays.
<br clear=all>
<!--=====Subsidence (oxidation)=====
: ''Main article: [[Subsidence (Overlay)#Oxidation|Subsidence (Overlay)]].
: This overlay is a subclass of the Subsidence overlay, but will display only the oxidation component of subsidence. This overlay is part of the [[Subsidence calculation]] collection of overlays.
<br clear=all>
=====Subsidence (compaction)=====
: ''Main article: [[Subsidence (Overlay)#Compaction|Subsidence (Overlay)]].
: This overlay is a subclass of the Subsidence overlay, but will display only the compaction component of subsidence. This overlay is part of the [[Subsidence calculation]] collection of overlays.
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====Ground water low (GLG)====
[[File:Groundwater-Overlay.jpg|thumb|left|The ground water level overlay]]
: ''Main article: [[Ground water (Overlay)]].
: This overlay displays the ground water level.
<br clear=all>
====Ground water high (GHG)====
: ''Main article: [[Ground water (Overlay)]].
: This overlay displays the ground water level.
<br clear=all>-->
 
==Custom overlays==
====Areas====
[[File:Terrains-Overlay.jpg|thumb|left|Optional Areas overlay]]
: ''Main article: [[Areas (Overlay)]].
: ''The Areas overlay displays a combination of selected active areas. This overlay becomes available for each stakeholder.''
<br clear=all>
====Attribute====
====Average====
[[File:Average_overlay_example.JPG|thumb|left|The Average Overlay of the Urbanization attribute]]
: ''Main article: [[Average (Overlay)]].
: ''The Average Overlay displays an attribute value from a building, terrain, area or neighborhood assigned to a grid cell. This overlay becomes available for each stakeholder.''
<br clear=all>
 
====Custom Color Areas====
[[File:Custom_Color_Areas-Overlay.jpg|thumb|left|Optional Custom Color Areas overlay]]
: ''Main article: [[Custom Color Area (Overlay)]].
: ''This overlay shows colored areas in the 3D world, in locations defined in the editor.''
<br clear=all>
====Function Highlight====
[[File:Function_Highlight-Overlay.jpg|thumb|left|Optional Function Highlight overlay]]
: ''Main article: [[Function Highlight (Overlay)]].
: ''This overlay highlights all constructions in the 3D world, for which the specific function has been selected, such as all shops in an area.''
<br clear=all>
====Geotiff====
====Image====
[[File:Image-Overlay.jpg|thumb|left|Optional Image overlay]]
: ''Main article: [[Image_(Overlay)]].
: ''This overlay can be used to visualize a geographically referenced Image.''
<br clear=all>
 
====Source====
[[File:Source_overlay.JPG|thumb|left|Example of the source overlay]]
: ''Main article: [[Source (Overlay)]].
: ''The Source overlay displays the datasets/sources that are used for and in the project. This overlay becomes available for each stakeholder.''
<br clear=all>
<!--====Online GIS data====
[[File:GIS-Overlay.jpg|thumb|left|Optional Online GIS data overlay, based on public available noise pollution data (PDOK)]]
: ''Main article: [[Online GIS data (Overlay)]].
: ''This option enables users to import private or public available GIS data sets as an overlay.''
<br clear=all>-->
 
==Distance overlays==
====Distance Sight====
[[File:Sight_Distance_overlay.jpg|thumb|left|Optional Distance Sight overlay]]
: ''Main article: [[Distance Sight (Overlay)|Distance Sight (Overlay)]].
: ''This overlay combines the Distance Zone as defined by [[constructions]] with the direct line of sight for these constructions. The overlay becomes available for all stakeholders when added to a project.''
<br clear=all>
====Distance Zone====
[[File:Safety Zone-Overlay.jpg|thumb|left|Optional Distance Zone overlay]]
: ''Main article: [[Distance Zone (Overlay)|Distance Zone (Overlay)]].
: ''This overlay displays the Distance Zone as defined by [[constructions]]. The overlay becomes available for all stakeholders when added to a project.''
<br clear=all>
====Disturbance distance====
====Safety distance====
 
==Adding and removing overlays==
{{Editor ribbon|header=3D World|bar=Overlays}}
 
Adding and removing overlays is a generic process, however, certain overlays are dependent on other assets being present too, such as indicators, terrains, vacancy, images, etc. For more information please refer to the respective main articles for the specific overlays.
 
{{Editor steps|title=add an overlay|Select in the editor '3D World' from the ribbon|Select 'Overlays' > 'Edit overlays' from the ribbon bar|Select the desired overlay'*' from the drop down menu on the bottom of the left panel|Select 'Add' from the bottom of the left panel|Fill in parameters on the right panel, as required for some overlays|The overlay icon will now appear under the mini map'**'}}
 
<gallery>
File:Select3DWorld.jpg|1. Select 3D World
File:SelectEditOverlay.jpg|2. Select Overlays > Edit overlays
File:SelectDropDown.jpg|3. Select desired overlay from drop down menu on the bottom of the left panel
File:SelectAddOverlay.jpg|4. Select 'Add' from the bottom of the left panel
File:OverlayParameters.jpg|5. Fill in parameters on the right panel (required for some overlays)
File:OverlayIconPresent.jpg|6. The overlay icon will  now appear under the mini map
</gallery>
 
{{Editor steps|title=remove an overlay|Select in the editor '3D World' from the ribbon|Select 'Overlays' > 'Edit 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}}
 
<gallery>
File:Select3DWorld.jpg|1. Select 3D World
File:SelectEditOverlay.jpg|2. Select Overlays > Edit overlays
File:SelectOverlay.jpg|3. Select desired overlay from the list of active overlays on the left panel
File:SelectRemoveOverlay.jpg|4. Select 'Remove' from the bottom of the left panel
File:ConfirmRemovalOverlay.jpg|5. Confirm the removal in the pop up confirmation message
</gallery>
 
''Sometimes it can be convenient to duplicate an already existing overlay. To do so, follow the steps for removal, but select 'Duplicate' in stead of 'Remove'.''
 
'*' The default City, Zoning and Property overlays are already present when creating a new project in the editor. However, they can be removed and added again later.

Latest revision as of 10:16, 25 September 2024

Overlay in comparison to Measurements, Indicators and Globals

An overlay is a layer visualized on top of the terrain and buildings in the 3D visualization. Overlays can provide spatial insight into specific subject, such as the variation of height and ownership. The visualized properties can originate from the current state of the project or from a result of a spatial calculation.

However, most overlays that can be added to a project use an underlying calculation model, which rasterize the spatial data and apply calculations to it to produce various (intermediate) results. These computational overlays can range from simple distance and average operations to complex water simulations. For these more complex Overlays with multiple results, additional Result Child Overlays can be added. The calculation main and child results will always be governed by the main overlay, also called the Result Parent Overlay.

How to access overlays in a project

Overlay buttons in the Navigation Panel can be clicked to show that specific Overlay. The Parent Overlays are indicated with the yellow rectangles and the Child Overlays with the red rectangle

Overlays available to stakeholders appear as buttons on the right side of the interface. Clicking on any of these buttons will switch the view to the specific overlay. Clicking on the "City" overlay will switch the view back to default. Some overlays are automatically added when a project is created. Some overlays are closely related to indicators, such as Heatstress and Livability.

Parent Overlay

Overlays can be grouped together using a Parent-Child hierarchy. Hovering over any of the Overlays in the Navigation Panel will show additional icons for the Child Overlays of that Overlay.

Every Overlay is considered a Parent Overlay, unless it has a Parent Overlay set, in which case it becomes a Child Overlay of that Parent Overlay. Overlays with Child Overlays cannot be a Child Overlay to another Overlay. Result Child Overlays are always Child Overlays of other Overlays.

When a parent overlay is removed, it's child overlays are not removed, unless the child overlay is a result child type overlay. Otherwise, they simply have no parent overlay set anymore and become a parent overlay themselves.

List of available Overlays

Icon Name Category Type Displays
Overlay icon normal.png City Default None The default view without any overlay
Overlay icon ownership.png Ownership Administrative Feature Ownership of constructions/ plots
Overlay icon ownership grid.png Ownership Grid Administrative Grid Ownership of constructions/ plots
Overlay icon municipalities.png Municipalities Administrative Feature Municipalities in the project area
Overlay icon neighborhoods.png Neighborhoods Administrative Feature Neighborhoods in the project area
Overlay icon vacancy.png Vacancy Administrative Feature Constructions marked as vacant are highlighted
Overlay icon zip codes.png Zipcodes Administrative Feature Postal codes
Overlay icon zoning.png Zoning Administrative Feature Zoning (related to zoning plans)
Overlay icon aerius.png Aerius Environmental Grid Impact of traffic on NOX and NH3 polution on Natura 2000 areas in the Netherlands
Overlay icon heat stress.png Heat Environmental Grid Urban heat stress
Overlay icon livability.png Livability Environmental Grid Livability score
Overlay icon traffic density.png Traffic Density Environmental Grid Traffic density
Overlay icon traffic noise.png Traffic Noise Environmental Grid Impact of traffic noise polution on surrounding area
Overlay icon traffic no2.png Traffic NO2 Environmental Grid Impact of traffic NO2 polution on surrounding area
Overlay icon flooding.png Flooding Water Grid Impact of flooding on inundation
Overlay icon groundwater.png Groundwater Water Grid Underground water tables
Overlay icon rainfall.png Rainfall Water Grid Impact of rainfall on inundation
Overlay icon subsidence.png Subsidence Water Grid Areas subject to subsidence
Overlay icon watershed.png Watershed Water Grid Discharge areas based on DTM or Water overlay's flow direction.
Overlay icon waterwijzer.png Waterwijzer Water Grid Crop yield loss based on ground water levels and type of soil.
Overlay icon avg.png Average Grid Calculation Grid Smoothened values of grid cells
Overlay icon distance.png Distance Grid Calculation Grid Defined contour around an object
Overlay icon sight distance.png Sight Distance Grid Calculation Grid Combined distance zone with line of sight
Overlay icon travel distance.png Travel Distance Grid Calculation Grid Contour based on travel distance
Overlay icon travel distance.png Inference Grid Calculation Grid AI Inference
Overlay icon travel distance.png Iteration Grid Calculation Grid Iteration Collector
Overlay icon area.png Area Geo Data Feature Selection of Areas
Overlay icon attribute.png Attribute Geo Data Feature Presence of a specific attribute in a data layer
Overlay icon combo.png Combo Grid Calculation Grid Combines up to three grid overlays using mathematical functions and boolean operators.
Overlay icon geo tiff.png GeoTIFF Geo Data Grid External data in GeoTIFF format
Overlay icon image.png Image Geo Data Grid A custom image
Overlay icon wcs.png WCS Geo Data Grid Stores the GeoTIFF result of a Web Coverage Service as a Grid Overlay.
Overlay icon wms.png WMS Geo Data Grid Stores the result of a Web Image Service as a Grid Overlay.
Overlay icon heightmap.png Satellite Topography Grid Satellite Imagery
Overlay icon heightmap.png Digital Surface Model Topography Grid Height of the terrain and building heights (DSM)
Overlay icon heightmap.png Digital Terrain Model Topography Grid Height of the terrain (DTM)
Overlay icon function.png Function Geo Data Feature Highlights specific functions/ buildings
Overlay icon source.png Source Topography Feature Datasets/sources currently in use for generating the project
Overlay icon underground.png Underground Topography Feature Underground composition
Overlay icon network distance.png Network Distance Networks Feature Distance to lines of a network
Overlay icon network overview.png Network Overview Networks Feature Lines, loads and cluster topography of a network
Overlay icon network ownership.png Network Ownership Networks Feature Ownership of lines, loads and clusters of a network

Notes

  • The following overlays are added automatically when creating a new project: City, Neighborhoods and Ownership. Depending on the project sources, Zoning and Underground Overlay can also be added.
  • Grid overlays have the ability to show the difference between the maquette and the current state. The difference visualization uses its own legend, which can also be manually adjusted. The option to show the difference can be turned on or off per Grid Overlay.
  • Overlays can be given Attributes. Some of these Attributes are used by their calculation model.
  • Some overlays can have the option to visualize different (intermediate) results of its calculation. These are configured using the result types. For example, for the Water Overlay the result types include the surface last value result type and the groundwater result type for water above and below ground respectively.
  • Some overlays store multiple timeframes of results. Examples are the Water Overlay and the Heat Overlay. Each timeframe is a complete snapshot of results of the entire project area. These results can be viewed in sequence. When these overlays are visualized in the 2D map, the last timeframe is shown.

How-to's

General:

Grid Overlay specific:

In/out:

See also

Overlays
Categorization
Grid • Parent • Result Child • Result Parent • Result type
Default
City
Administrative
Ownership • Ownership Grid • Zipcodes • Zoning • Neighborhoods • Municipalities • Vacancy
Environmental
Heat Stress • Traffic Density • Traffic Noise • Traffic NO2 • Livability
Water
Rainfall • Flooding • Groundwater • Subsidence • Watershed
Grid Calculation
Average • Combo • Distance • Sight Distance • Travel Distance • Inference • Iteration
Geo Data
GeoTIFF • WCS • WMS • Image • Area • Attribute • Function
Topography
Satellite • Digital Surface Model • Digital Terrain Model • Underground • Source
Network
Network Distance • Network Overview • Network Ownership


Editor ribbon icon current.pngCurrent Situation
Current Situation
Buildings • Terrains • Administrative • Areas • Networks • Overlays • Indicators • Panels • Globals •  Queries • Geo Import
Buildings
Function • Function Override • Traffic Units
Terrain
Height sector • Elevation model • Elevation GeoTIFF • Elevation Grid Overlay • Ground Price • Terrain Type • Terrain Type Override
Administrative
Neighborhood • Zone • Permission Popup • Plot • Zip Code
Geo Import
Source • GeoShare
Network
Net Cluster • Net Function • Net Line • Net Load • Net Node • Net Setting
Editor
Current Situation • Future Design • Multi Scenario • Tools • Community
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