How to use Neighborhood attributes in a Combo Overlay

Neighborhood attributes can be accessed directly in a Combo Overlay by configuring attribute keys. Below are steps to combine multiple attribute of a single Neighborhood to create a grid overlay showing the estimated sum of senior men and women within a neighborhood.

How to use Neighborhood attributes in a Combo Overlay:

1. Select Current Situation in the ribbon bar.
2. Hover over Overlays and under Grid Calculation, select Combo Overlay to add a new Combo Overlay
3. In the Combo detail panel, select the tab Input
4. Set the input to Attribute: Specific Layer and for layer select NEIGHBORHOOD.
5. For Attribute A, select the attribute: MANNEN
6. For Attribute B, select the attribute: VROUWEN
7. For Attribute C, select the attribute: PERCENTAGE_PERSONEN65_JAAR_EN_OUDER
8. Select the general tab.
9. Click on the enlarge link next to Formula to edit the Combo Overlay's formula.
10. Write the following formula

     ROUND(MUL(ADD(@A, @B), DIV(@C, 100)))

11. Close the formula panel
12. Click on update now in the Overlay detail panel.
13. Once calculated, inspect the resulting overlay.

• 
  Add a new Combo Overlay.
• 
  Combo overlay's input for Neighborhood attributes.
• 
  Formula that combines attributes in the formula panel.
• 
  Tooltip of the Combo Overlay after calculation.

Notes

• The formula uses adds men and women and multiplies this with the percentage of persons above 65, which is divided by 100 to make it a fraction. The final result is rounded.

How-to's

• How to use building attributes in a Combo Overlay

See also

• Combo Overlay
• Neighborhood