On 11/14/19 2:27 AM, Dick Balaska wrote:
> On 11/13/19 9:21 AM, Dick Balaska wrote:
> 
>>
>> Looking at the povray source code, the solution is to change all of my 
>> files to
>>
>> #version 3.8;
>>
>> and leave my text {} objects exactly as they are.
>>
> 
> Well poo.
> 
> Changing my SDL from #version 3.7 to 3.8 causes the image to be much 
> darker.
> 

One of the changes 3.7 to 3.8 was to take the default ambient to 0.0. 
It's a funky color adder disconnected from gamma handling, and at 0.1, 
it tends to brink near blacks way up in intensity with AG 1.0 - washing 
out the contrast in the images. Your 1.7 AG is already compensating for 
this effect to a large degree.

Have you tried changing the default ambient back to 0.1 when changing 
your version to 3.8?

Bill P.

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