Create Service Area Polygons - Polygon > Service Areas (Voronoi)

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A service area polygon shows what point is closest to you. A Voronoi diagram is simply figuring out service areas, also known as catchment areas, for things like schools, stores, and hospitals.

Create markers

1. Create markers that will represent each service area.

   To learn how to create markers, visit this link:

   • Marker Tool—Create a marker

Add the markers to a folder

2. At the top of the Layers Panel, click on the Folder Icon displaying the tooltip: "Add Group".
   You will see the folder added to the Layers Panel.
    
3. Click and drag each marker’s row into the folder.
    The folder now holds a set of overlays, so the folder is considered a Group.

   To learn more about grouping overlays, see; Grouping markers/elements by using folders.

Create the service area polygons

4. At the top of the Layers Panel, click on the Toolbox's gear and wrench icon.
   You will see a window with Core Operations and Plugin options appear.
    
5. Under the "Analysis" heading > "Polygon" subheading, click on the link: "Service Areas (Voronoi)".
    
6. Under the "Select Group" heading, click on the button: "Select".
    
7. Click on the group you created.
    
8. Under the "Random Colours" heading, leave checked to assign random colours to each area.
   (Optional) Uncheck to use the pre-selected colours for the border and fill area for all the polygons.

   To learn how, visit: Change the colours of the border and fill area of a shape (circle/rectangle/polygon)

    
9. Click on CREATE POLYGONS.
    
10. A pop-up will appear to tell you the service area polygons have been created. Click "Ok".
     
11. In the top-right corner of the Toolbox window, click on the "X" button, to close the window.

Related articles

If you want the map to continuously display information about the marker, you can add a label next to the marker. To learn how; visit this link: Label Tool—Create a label.

To learn actions you can perform to improve the display of markers, visit this link: Optimize the display of markers and labels.

Make the size of a marker shrink when you zoom out.