The smoke variation level, [0.0f, 1.0f].
Namespace: Visualiser.Capture
ActionScript.SetProperty(Visualiser.Capture.AtmosphereContrast,[value])
http://[ip]:4430/titan/get/2/Visualiser/Capture/AtmosphereContrast
POST /titan/set/2/Visualiser/Capture/AtmosphereContrast