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This Weather File is a text based definition of different conditions which will happen by default at the track. It also contains information about how real road should progress by default through a race weekend, as well as now the ability to configure "Atmospherics" at the venue too.

This file is is stored in the same layout directory as the GDB, SCN and AIW files. It must have the same filename as these.

The file can be opened and modified in any text editor.

When you configure a session in game, it saves a wet file in your setup folder for that track, so that it can remember your current settings. 

Atmospherics

This is a new section which allows us to configure the atmosphere of the track, scaling how the Haze, Air Pollution and just how bright the night sky gets. You can adjust these values in real time in the Time rollout in ModDev and SceneViewer. However you need to save their values manually.

  • AirPollution (0.0 to 1.0): This configures how "dirty" the air is. It defaults to 0.25. At 0, it is much whiter and cleaner, at 1.0 it is much more red.
  • NightLightPollution (0.01 to 30.0): This is a scalar for how much pollution there is at night. 1.0 is considered a good value for most venues, however if your track is very urban or very rural then you may wish to adjust this up / down. We would recommend that a really busy metropolitan area might have something around 15 - 20 for this.
  • HazeBaseScale (0.01 to 10.0): This is a scalar for how much haze there is applied to terrain and sky on a clear day. Be sure to check to see how it blends with your backgrounds and more.
  • HazeCloudyScale (0.01 to 10.0): This is a scalar for extra haze added on top as the scene becomes more cloudy. Typically this is a small addition and allows us to make the horizon blend in better with the overall conditions.
  • HazeStormScale (0.01 to 10.0): We can configure how much extra haze is added as it starts raining hard. By default the visibility comes in a lot as the rain starts to come down.
  • HazeDawnScale (0.01 to 10.0): Finally we can adjust how much haze we have at Dawn and Dusk. This can make for some quite atmospheric conditions as the sunrises.

Weather Info

The first part of this section allows us to configure which real road profile is used by default in different sessions. We should set this up so they progress from Light, Medium and Heavy through out the different sessions as the track would typically grip in.  See Real Road Files (RRBIN) for more information.

Session Info

Finally we have Session Weather info for Practice, Qualifying and Race sessions. These configure cloud coverage, temperature and more. Not all settings are used at this time.

It is not necessary to modify this section by hand. Just configure the weather in game for all 3 sessions and load the session. The wet file will be written out the the settings folder for this track.

Example File

Example Wet File
//[[gMa1.002f (c)2016    ]] [[            ]]
[Atmospherics]
AirPollution=(0.250)
NightLightPollution=(1.000)
HazeBaseScale=(1.000)
HazeCloudyScale=(1.000)
HazeStormScale=(1.000)
HazeDawnScale=(1.000)

[Weather Info]
abstractnodes=1
RealRoadTD="preset:Light.rrbin"
RealRoadP1="preset:Light.rrbin"
RealRoadP2="preset:Medium.rrbin"
RealRoadP3="preset:Medium.rrbin"
RealRoadP4="preset:Medium.rrbin"
RealRoadQ1="preset:Medium.rrbin"
RealRoadQ2="preset:Medium.rrbin"
RealRoadQ3="preset:Medium.rrbin"
RealRoadQ4="preset:Medium.rrbin"
RealRoadWU="preset:Heavy.rrbin"
RealRoadR1="preset:Heavy.rrbin"
RealRoadR2="preset:Heavy.rrbin"
RealRoadR3="preset:Heavy.rrbin"
RealRoadR4="preset:Heavy.rrbin"

[Practice Info]
StartTime=(540)
Duration=(30)
Sky=(1)
RainChange=(0)
RainDensity=(0)
Temperature=(17)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)
StartTime=(570)
Duration=(30)
Sky=(2)
RainChange=(0)
RainDensity=(0)
Temperature=(18)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)
StartTime=(600)
Duration=(30)
Sky=(2)
RainChange=(0)
RainDensity=(0)
Temperature=(20)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)
StartTime=(630)
Duration=(30)
Sky=(3)
RainChange=(0)
RainDensity=(0)
Temperature=(20)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)
StartTime=(660)
Duration=(30)
Sky=(4)
RainChange=(0)
RainDensity=(0)
Temperature=(21)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)

[Qualifying Info]
StartTime=(540)
Duration=(30)
Sky=(4)
RainChange=(0)
RainDensity=(0)
Temperature=(18)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)
StartTime=(570)
Duration=(30)
Sky=(3)
RainChange=(0)
RainDensity=(0)
Temperature=(20)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)
StartTime=(600)
Duration=(30)
Sky=(4)
RainChange=(0)
RainDensity=(0)
Temperature=(19)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)
StartTime=(630)
Duration=(30)
Sky=(3)
RainChange=(0)
RainDensity=(0)
Temperature=(19)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)
StartTime=(660)
Duration=(30)
Sky=(2)
RainChange=(0)
RainDensity=(0)
Temperature=(20)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)

[Race Info]
StartTime=(540)
Duration=(30)
Sky=(1)
RainChange=(0)
RainDensity=(0)
Temperature=(19)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)
StartTime=(570)
Duration=(30)
Sky=(2)
RainChange=(0)
RainDensity=(0)
Temperature=(20)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)
StartTime=(600)
Duration=(30)
Sky=(1)
RainChange=(0)
RainDensity=(0)
Temperature=(18)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)
StartTime=(630)
Duration=(30)
Sky=(0)
RainChange=(0)
RainDensity=(0)
Temperature=(23)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)
StartTime=(660)
Duration=(30)
Sky=(1)
RainChange=(0)
RainDensity=(0)
Temperature=(20)
Humidity=(30)
WindSpeed=(5)
WindDirection=(0)


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