Sets the selected buildings to passive. Passive buildings are not included in the noise calculation.
Find it here:
MOUS_ICO Menu: Noise > Buildings > Passive
MOUS_ICO Menu: Noise > Buildings > Dialog box
MOUS_ICO Select one or several buildings in the list
MOUS_ICO Dialog box: Passive
nco: Select an active building (defined in Novapoint Noise)
MOUS_ICO Popup menu: Passive