This course will look at the fundamentals of rendering in Arnold. We'll go through the different light types available, cameras, shaders, Arnold's render settings and finally how to split an image into render passes (AOV's), before we then reassemble it i
Just to be clear though, as far as I know, this will cause the magnitude of the wind to be a random strength on each and every frame of your animation, which might give strange results.
Does it have to be different every time? Honestly I would just pick a few "random" values and key the magnitude over time. Then you'll get smooth transitions and it will still appear random.
I found documentation and data on a wind speed and wind direction study done over a period of one month at one second intervals. The raw wind data is available for download. It gives one a good idea how frequently the speed and direction of wind actually changes.
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