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 [[Grid overlay|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 [[Use cases 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>
<br clear=all>
{{clear}}
 
==Additional information displayed in hover panel==
==Additional information displayed in hover panel==
[[File:Distance_zone_popup.JPG|thumb|250px|float:right|The distance of the selected object which has a distance zone is displayed]]
<gallery widths=200px>
[[File:Distance_hits_popup.JPG|thumb|250px|float:right|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
 
File:Distance_hits_popup.JPG|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.
</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.
<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>


{{Editor ribbon|header=GEO DATA|bar=Overlays}}
==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]].


{{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}}
{{result types|
<br clear=all>
{{:Zone result type (Distance Overlay)}}
 
{{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'.''
 
===Specifying the distance zone radius of a function===
<br>
{{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==
<br>
{{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]]}}


<gallery>
==Variants==
File:Geo_data.png|1. Select GEO DATA
The following overlays that previously were separate entities can now be constructed using a general distance overlay:
File:Overlay.png|2. Select Overlays
* [[Safety Distance Overlay]]
File:Distance_zone_right_panel.jpg|5. Select Count Hits instead of Distance option
</gallery>


===Specifying the distance zone radius of a function===
{{article end
<br>
|howtos=
{{Editor steps|title=How to change the chosen function's distance parameter
* [[How to add and remove an Overlay]]
|Open the project in Editor Mode;
* [[How to edit an overlay legend]]
|Select [[Indicators]] in the ribbon header;
* [[How to specify the distance zone radius of a function]]
|Select [[Function Values]] in the ribbon bar;
* [[How to configure the Distance Zone Overlay to count features]]
|Notice that a table has appeared with all the [[Functions|functions]] in a row and their attributes in the columns;
* [[Use cases Distance Overlay]]
|Find the function that is used [[Functions|function]] in the table and select the Distance Zone Attribute in the corresponding column;
|seealso=
|Write the desired distance in meters for the distance zone attribute;
* [[Model attributes (Distance Overlay)]]
* [[Attribute (Distance Overlay)]]
* [[Distance zone m (Function Value)]]
* [[Average Overlay]]
* [[Sight Distance Overlay]]
* [[Travel Distance Overlay]]
}}
}}
<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>
 
{{Template:Overlay nav}}

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 • Aerius
Water
Rainfall • Flooding • Groundwater • Subsidence • Watershed • Waterwijzer
Raster Calculation
Average • Combo • Distance • Sight Distance • Travel Distance
Geo Data
Area • Attribute • GeoTIFF • WCS • WMS • Image
Topography
Digital Surface Model • Digital Terrain Model • Underground • Function • Source
Network
Network Distance • Network Overview • Network Ownership


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