# Treefactor result type (Traffic NO2 Overlay)

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Icon | Result type | Unit | Mode | Description |
---|---|---|---|---|

TREEFACTOR | factor | The presence of trees (within 30 meters) as a fraction and converted to a factor between 1 and 1.5. |

## Notes

- The fraction is calculated as the amount of cells with trees within a distance of 30 meters divided by the total amount of cells within that same distance. Furthermore, the fraction is converted to a multiplier as followed: 1.0 + treeFraction / 2.0

## See also