Distance Overlay: Difference between revisions

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==Safety Zone (Overlay)==
[[File:Safety Zone-Overlay.jpg|thumb|left|Distance Zone Overlay]]
{{learned|what the safety zone overlay is.|which information is displayed on the safety zone overlay.|}}
The Distance Zone Overlay is an [[Grid overlay|overlay]] which can be used for displaying zones around buildings. One use case for this could be a zone around a wind turbine that resembles the noise contour. The distance zone is always a circle situated around the affected building(s). The radius of this circle can be adjusted in the [[Function_Values|function value tabel]]. See below for more information on how to adjust the function value.
==What the safety zone overlay is==
The overlay can also be modified to count how many zones are overlapping each other. See below for more information on how to enable  this "Count Hits instead of Distance" option. An example use case for this overlay can be found on the [[Use cases Distance Overlay]] page.


[[File:Editor_overlay_underground.jpg|thumb|300px|left|Active underground overlay]]
For calculating Travel distances, see [[Travel Distance Overlay]].
{{clear}}
==Additional information displayed in hover panel==
<gallery widths=200px>
File:Distance_zone_popup.JPG|The distance of the selected object which has a distance zone is displayed
File:Distance_hits_popup.JPG|The number of overlapping zones is displayed
</gallery>
When clicking on a specific location in the map, the hover panel gives additional information of the distance from the clicked location to the object which has a distance zone.<br>
If the "Count Hits instead of Distance" option is enabled, the overlay show the number of overlapping zones on the clicked location.


The underground overlay is an [[Overlay]] which is used for displaying constructions which are underground, like drainage culverts. When added to your project, it can be activated by clicking the corresponding icon on the minimap. When activated the underground overlay displays 2 colors, white and red. Different colors mean if there is a construction in the underground.
==Hit count==
===Color: White===
When the option [[Hit count (Distance Overlay)|Hit count]] is selected, the functionality of this overlay changes to counting for each grid cell how many objects are within the [[Attribute (Distance Overlay)|defined distance]] of those objects. Which objects are considered depends on the configured [[Rasterization (Distance Overlay)|rasterization]] and whether they have a distance defined that is larger than 0.
There are no constructions in the underground.
<gallery widths=200px >
File:distance_overlay_of_windmills_500m.jpg|[[Attribute (Distance Overlay)|Distance]] to windmills (500m)
File:distance_overlay_hitcount_of_windmills_500m.jpg|[[Hit count (Distance Overlay)|Hit count]] of windmills (500m)
</gallery>


===Color: Red===
==Results==
There are constructions in the underground.
The result of the [[Distance Overlay]] is a grid which shows, depending on the value of the [[Hit count (Distance Overlay)|hit count attribute]]:
<br clear=all>
#The distance to the closest [[Item]] when it is within its defined [[Distance zone m (Distance Overlay)|Distance zone m]].<br>
#The amount of times this [[grid cell]] is within the defined [[Distance zone m (Distance Overlay)|Distance zone m]] of an [[Item]].


==Which constructions can be built in the underground==
{{result types|
{{:Zone result type (Distance Overlay)}}
}}


Currently there are 2 constructions which can be built in the underground:  
==Variants==
The following overlays that previously were separate entities can now be constructed using a general distance overlay:
* [[Safety Distance Overlay]]


[[Drainage Culvert]]
{{article end
 
|howtos=
[[Tunneling Shield]]
* [[How to add and remove an Overlay]]
 
* [[How to edit an overlay legend]]
==Adding and removing==
* [[How to specify the distance zone radius of a function]]
 
* [[How to configure the Distance Zone Overlay to count features]]
For information on adding and removing Overlays see...
* [[Use cases Distance Overlay]]
|seealso=
* [[Model attributes (Distance Overlay)]]
* [[Attribute (Distance Overlay)]]
* [[Distance zone m (Function Value)]]
* [[Average Overlay]]
* [[Sight Distance Overlay]]
* [[Travel Distance Overlay]]
}}
{{DistanceOverlay nav}}
{{Overlay nav}}

Latest revision as of 09:26, 29 April 2026

Distance Zone Overlay

The Distance Zone Overlay is an overlay which can be used for displaying zones around buildings. One use case for this could be a zone around a wind turbine that resembles the noise contour. The distance zone is always a circle situated around the affected building(s). The radius of this circle can be adjusted in the function value tabel. See below for more information on how to adjust the function value. The overlay can also be modified to count how many zones are overlapping each other. See below for more information on how to enable this "Count Hits instead of Distance" option. An example use case for this overlay can be found on the Use cases Distance Overlay page.

For calculating Travel distances, see Travel Distance Overlay.

Additional information displayed in hover panel

  • The distance of the selected object which has a distance zone is displayed
    The distance of the selected object which has a distance zone is displayed
  • The number of overlapping zones is displayed
    The number of overlapping zones is displayed

When clicking on a specific location in the map, the hover panel gives additional information of the distance from the clicked location to the object which has a distance zone.
If the "Count Hits instead of Distance" option is enabled, the overlay show the number of overlapping zones on the clicked location.

Hit count

When the option Hit count is selected, the functionality of this overlay changes to counting for each grid cell how many objects are within the defined distance of those objects. Which objects are considered depends on the configured rasterization and whether they have a distance defined that is larger than 0.

Results

The result of the Distance Overlay is a grid which shows, depending on the value of the hit count attribute:

  1. The distance to the closest Item when it is within its defined Distance zone m.
  2. The amount of times this grid cell is within the defined Distance zone m of an Item.
Icon Result type Unit Mode Description
ZONE m 1.The distance to the closest Item when it is within its defined Distance zone m.

2.The amount of times this grid cell is within the defined Distance zone m of an Item.

Variants

The following overlays that previously were separate entities can now be constructed using a general distance overlay:

How-to's

See also

Distance Overlay
Group
Attributes
Attribute • Attribute timeframes • Hit count
Keys
Distance zone m
Models
Attribute • Grid
Prequels
Input
Properties
Maplink • Rasterization
Result types
Zone


Overlays
Categorization
Grid • Overlay Type • Parent • Result Child • Result Parent • Result type • Key
Default
City
Administrative
Ownership • Ownership Grid • Zipcodes • Zoning • Neighborhoods • Municipalities • Scenario
Environmental
Heat Stress • Shadow • Traffic Density • Traffic Noise • Traffic NO2 • Livability
Water
Rainfall • Flooding • Groundwater • 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 • Building Floors • Underground • Source
Network
Network Distance • Network Overview • Network Ownership


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