Am 02.05.2017 um 08:51 schrieb Thomas de Groot:
> On 2-5-2017 5:57, Alain wrote:
> [snip]
>>
>> You should set it according to the overall scale of your scene.
>> The default of 10 mean 1 POV unit = 1 cm. Set it to 1000 if your scale
>> is 1 POV unit = 1 m, and 25.4 for 1 inch = 1 POV unit.
>>
>> In my suggestion, it would make a scene scalled in cm work in mm. So,
>> you can change mm_per_unit from it's default of 10 to 1 to reflect the
>> change in overall scale.
>>
>>
> 
> As I wrote in my answer to Stephen, I am shamefully negligent about
> overall scales and just throw together elements to be brewed in the same
> pot. I need to be a bit more careful if I want to include SSLT. :-)

Technically, you only need to be careful if you intend to re-use (or
have others re-use) your SSLT stuff in any other scene.

For instance, if you've concocted a convincing ivory material, that
ivory material will only look convincing in other scenes if both your
original scene and the new scene have proper mm_per_unit settings (or if
both have the mm_per_unit setting screwed up by the same factor).

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