How to use neighborhood attributes in a Combo Overlay

In this howto we calculate the amount of senior man and women in a Neighborhood by adding the amount of all men and women and multiplying it with the fraction of senior persons.

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
3. In the Combo Overlay detail panel, select the Input tab.
4. Select Specific Layer for Attribute.
5. For Layer select Neighborhoods
6. Click on the Select button next to Attribute 'A' and select an attribute, for example Mannen
7. Click on the Select button next to Attribute 'B' and select an attribute, for example Vrouwen
8. Click on the Select button next to Attribute 'C' and select an attribute, for example Percentage personen 65 jaar en ouder
9. In the formula field, write the following formula:

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

10. Click on the Update Now link and update the combo Overlay.

• 
  Input configured for the Combo Overlay
• 
  Formula configured for the Combo Overlay
• 
  Attribute highlighted in the formula panel of the Combo Overlay

Notes

• You can edit the formula using the 'Formula Panel' by clicking on the (enlarge) link above the Formula field.

See also

• Combo Overlay
• Neighborhood