Distance Overlay: Difference between revisions

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{{learned|what the Distance Zone Overlay is|which information is displayed on the Distance Zone Overlay|}}
==What the Distance Zone Overlay is==
[[File:Safety Zone-Overlay.jpg|thumb|left|Distance Zone Overlay]]
[[File:Safety Zone-Overlay.jpg|thumb|left|Distance Zone Overlay]]
The Distance Zone Overlay is an [[Overlay]] which can be used for displaying zones around constructions. 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 construction(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.
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.
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 [[Usecase Distance Overlay]] page.
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.<br>
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{{clear}}
 
==Additional information displayed in hover panel==
==Additional information displayed in hover panel==
[[File:Distance_zone_popup.JPG|thumb|250px|left|The distance of the selected object which has a distance zone is displayed]]
<gallery widths=200px>
[[File:Distance_hits_popup.JPG|thumb|250px|left|The number of overlapping zones is displayed]]
File:Distance_zone_popup.JPG|The distance of the selected object which has a distance zone 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.
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.
If the "Count Hits instead of Distance" option is enabled, the overlay show the number of overlapping zones on the clicked location.
<br clear=all>


==Adding and removing the Distance Zone Overlay==
==Hit count==
 
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.
{{Editor ribbon|header=GEO DATA|bar=Overlays}}
<gallery widths=200px >
 
File:distance_overlay_of_windmills_500m.jpg|[[Attribute (Distance Overlay)|Distance]] to windmills (500m)
{{Editor steps|title=add the Distance Zone overlay|Select in the editor 'Geo Data' from the ribbon|Select 'Overlays' from the ribbon bar|Select the Distance Zone overlay from the drop down menu}}
File:distance_overlay_hitcount_of_windmills_500m.jpg|[[Hit count (Distance Overlay)|Hit count]] of windmills (500m)
<br clear=all>
</gallery>
 
{{Editor steps|title=remove the Distance Zone overlay|Select in the editor 'Geo Data' from the ribbon|Select 'Overlays' from the ribbon bar|Select the Distance Zone 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}}


''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'.''
==Results==
The result of the [[Distance Overlay]] is a grid which shows, depending on the value of the [[Hit count (Distance Overlay)|hit count attribute]]:
#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]].


===Adding a distance to the desired function===
{{result types|
<br>
{{:Zone result type (Distance Overlay)}}
{{Editor steps|title=How to change the chosen function's distance parameter
|Open the project in Editor Mode;
|Select [[Indicators]] in the ribbon header;
|Select [[Function Values]] in the ribbon bar;
|Notice that a table has appeared with all the [[Functions|functions]] in a row and their attributes in the columns;
|Find the function that is used [[Functions|function]] in the table and select the Distance Zone Attribute in the corresponding column;
|Write the desired distance in meters for the distance zone attribute;
}}
}}
<gallery mode=nolines>
File:Indicators_selection.jpg
File:Function_values_selection.jpg
File:Select_parkeerbord_function.jpg
File:Add_distance.jpg
</gallery>


==Modify the Distance Zone Overlay to count the number of overlapping zones==
==Variants==
<br>
The following overlays that previously were separate entities can now be constructed using a general distance overlay:
{{Editor steps|title=Select the Count Hits instead of Distance option|Select in the editor 'GEO DATA' from the ribbon| Select 'Overlays' from the ribbon bar|Select the Distance Zone Overlay from the drop down menu on the bottom of the [[left panel]]| Select the General tab in the [[right panel]]|Check-mark the "Count Hits instead of Distance" option in the [[right panel]]}}
* [[Safety Distance Overlay]]


<gallery>
{{article end
File:Geo_data.png|1. Select GEO DATA
|howtos=
File:Overlay.png|2. Select Overlays
* [[How to add and remove an Overlay]]
File:Distance_zone_right_panel.jpg|5. Select Count Hits instead of Distance option
* [[How to edit an overlay legend]]
</gallery>
* [[How to specify the distance zone radius of a function]]
 
* [[How to configure the Distance Zone Overlay to count features]]
===Adding a distance to the desired function===
* [[Use cases Distance Overlay]]
<br>
|seealso=
{{Editor steps|title=How to change the chosen function's distance parameter
* [[Model attributes (Distance Overlay)]]
|Open the project in Editor Mode;
* [[Attribute (Distance Overlay)]]
|Select [[Indicators]] in the ribbon header;
* [[Distance zone m (Function Value)]]
|Select [[Function Values]] in the ribbon bar;
* [[Average Overlay]]
|Notice that a table has appeared with all the [[Functions|functions]] in a row and their attributes in the columns;
* [[Sight Distance Overlay]]
|Find the function that is used [[Functions|function]] in the table and select the Distance Zone Attribute in the corresponding column;
* [[Travel Distance Overlay]]
|Write the desired distance in meters for the distance zone attribute;
}}
}}
<gallery mode=nolines>
{{DistanceOverlay nav}}
File:Indicators_selection.jpg
{{Overlay nav}}
File:Function_values_selection.jpg
File:Select_parkeerbord_function.jpg
File:Add_distance.jpg
</gallery>

Latest revision as of 15:39, 2 February 2024

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.

Additional information displayed in hover panel

  • The distance of the selected object which has a distance zone 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
Overlay icon distance zone.png 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 • 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


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