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[[File:Api_current_situation_calculation.png|thumb|right|400px|[[Overlay]] in comparison to [[Measurement]]s, [[Indicator]]s and [[Global]]s]]
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 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.  


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 to the parent overlay to store these results.
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]].


{{clear}}
==How to access overlays in a project==
==How to access overlays in a project==
[[File:Overlays-Icons.jpg|thumb|left|How to show an overlay in the viewer app.]]
[[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. 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.]]
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.]]


===Parent Overlay===
===Parent Overlay===
Overlays can be grouped together as multiple Child Overlays under a single Parent Overlay. This allows for a large amount of Overlays to be organized into an easier-to-use hierarchy. Hovering over any of the Overlays in the [[Overlay menu]] will show additional icons for the Child Overlays of that Overlay, if any exist.
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 type Overlay]]s are always Child Overlays of other 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.


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.
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.
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{{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=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=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= Distance      | otype=[[Grid overlay|Grid]] | display=Smoothened values of grid cells}}
{{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 Sight        |icon=distance_sight      |category= Distance      | otype=[[Grid overlay|Grid]] | display=Combined distance zone with line of sight}}
{{Overlays|type=row|overlay=Distance             |icon=distance            |category= Grid Calculation | otype=[[Grid overlay|Grid]] | display=Defined contour around an object}}
{{Overlays|type=row|overlay=Distance Zone        |icon=distance_zone        |category= Distance      | 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=Disturbance Distance |icon=disturbance_distance |category= Distance      | otype=[[Grid overlay|Grid]] | display=Contour based on sound disturbance}}
{{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=Safety Distance      |icon=safety_distance     |category= Distance      | otype=[[Grid overlay|Grid]] | display=Contour based on safety distance}}
{{Overlays|type=row|overlay=Inference      |icon=travel_distance     |category= Grid Calculation | otype=[[Grid overlay|Grid]] | display=AI Inference}}
{{Overlays|type=row|overlay=Travel Distance       |icon=travel_distance      |category= Distance      | otype=[[Grid overlay|Grid]] | display=Contour based on travel distance}}
{{Overlays|type=row|overlay=Iteration       |icon=travel_distance      |category= Grid Calculation | otype=[[Grid overlay|Grid]] | display=Iteration Collector}}
{{Overlays|type=row|overlay=Areas                |icon=areas                |category= Custom         | otype=Feature              | display=Selection of Areas}}
{{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= Custom         | otype=Feature              | display=Presence of a specific attribute in a data layer}}
{{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= Custom        | otype=Grid                 | display=Combines up to three grid overlays using mathematical functions and boolean operators.}}
{{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=WCS                  |icon=wcs                  |category= Custom        | otype=Grid                 | display=Stores the GeoTIFF result of a Web Coverage Service as a Grid Overlay.}}
{{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=WMS                  |icon=wms                  |category= Custom        | otype=Grid                 | display=Stores the result of a Web Image Service as a Grid Overlay.}}
{{Overlays|type=row|overlay=Image                |icon=image                |category= Geo Data        | otype=[[Grid overlay|Grid]] | display=A custom image}}
{{Overlays|type=row|overlay=GeoTIFF              |icon=geo_tiff            |category= Custom        | otype=[[Grid overlay|Grid]] | display=External data in GeoTIFF format}}
{{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=Image                |icon=image                |category= Custom        | otype=[[Grid overlay|Grid]] | display=A custom image}}
{{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=Function Highlight    |icon=function_highlight  |category= Topography    | otype=Feature              | display=Highlights specified functions/ constructions}}
{{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 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=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=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=Underground          |icon=underground          |category= Topography    | otype=Feature              | display=Underground composition}}
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{{article end
{{article end
|howtos=
|howtos=
'''General:'''
<div style="column-count:2">
* [[How to add and remove an Overlay]]
* [[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=
|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]] can also be added.
* 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 overlays 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.
* [[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.
* 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 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.  
* 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]]
}}
}}
==See Also==
* [[File:Overlays_VT.jpg| link=https://youtu.be/bvWuS1Al2Rs|left|thumb|Overlays]][[File:Overlays_results.jpg| link=https://youtu.be/bAWTLDK5mPQ|left|thumb|Overlay results]]
{{Overlay nav}}
{{Overlay nav}}
{{Editor current situation nav}}
{{Editor current situation nav}}


[[Category:Items]]
[[Category:Items]]

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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