Model attributes (Traffic Noise Overlay)
The Traffic Noise Overlay can be configured with a number of Attributes.
| Icon | Attribute | Unit | Range | Description | |
|---|---|---|---|---|---|
 |
BUSES_ACTIVE | boolean | 0 or 1 | Whether buses are to be included in the model's calculations. | True |
 |
CARS_ACTIVE | boolean | 0 or 1 | Whether cars are to be included in the model's calculations. | True |
 |
TRUCKS_ACTIVE | boolean | 0 or 1 | Whether trucks are to be included in the model's calculations. | True |
 |
VANS_ACTIVE | boolean | 0 or 1 | Whether vans are to be included in the model's calculations. | True |
| HOURS | h | An array of the hours of day that need to be calculated. Each hour will result in a timeframe. | 8 | ||
 |
BACKGROUND_DB | dB | The background noise level, which serves as lower bound for the calculated noise. | 45 | |
 |
EMISSION_START_BUS | dB | The start noise emission levels for buses. | 76 | |
| |
EMISSION_START_CAR | dB | The start noise emission levels for cars. | 70 | |
| |
EMISSION_START_TRUCK | dB | The start noise emission levels for trucks. | 76 | |
| |
EMISSION_START_VAN | dB | The start noise emission levels for vans. | 73.2 | |
 |
EMISSION_MULT_BUS | The noise multiplier for buses. | 17.9 | ||
| |
EMISSION_MULT_CAR | The noise multiplier for cars. | 29.8 | ||
| |
EMISSION_MULT_TRUCK | The noise multiplier for trucks. | 17.9 | ||
| |
EMISSION_MULT_VAN | The noise multiplier for vans. | 19 | ||
 |
V0_BUS | km/h | The reference speed for buses. | 70 | |
| |
V0_CAR | km/h | The reference speed for cars. | 80 | |
| |
V0_TRUCK | km/h | The reference speed for trucks. | 70 | |
| |
V0_VAN | km/h | The reference speed for vans. | 80 |