> On 3/6/2018 9:48 PM, Alain wrote:
>>> Quick question:
>>>
>>> How do I convert the units of ExposureFactor to my scene?
>>>
>>> In my scene, 20 units = 1 foot.
>>>
>>> Thanks!!
>>>
>>>
>>> Mike
>>>
>>
>> The formula use meter, a meter = about 39 inches, or 3 feet and 3 
>> inches (3.25 feet in 1 m).
>> There are 10.5625 square feet in a square meter.
>>
> 
> I still don't know what the effect on the value of ExposureFactor should 
> be.
> 
> 





> 
> 
> Mike

Just start with 1/100000.
If it's to bright, use a lower value. If it's to dark, use a higher value.
Repeat until you get a pleasing result.

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