Thorsten Froehlich wrote:
> Mike Raiford wrote:
> 
>> One question: b9 seems to complain about the assumed_gamma setting in 
>> the scene files. I know to look write a lot of scenes requre their own 
>> assumed_gamma setting, now it needs to be on the command line?
> 
> 
> Yes, and if you really need to play with assumed_gamma, you are actually 
> using it for something it isn't supposed to be used for (adjusting the 
> brightness of a scene).  There will be other mechanisms for doing that 
> eventually (also on the command-line though).

Wow. Glad you made sense of what I wrote (I think I was short on 
caffiene at the time ;). Yes, this is what I was using it for, mainly in 
radiosity scenes it seems to bring out the shadows a bit more. A better 
alternative to this might be something like the tone-mapping patch in 
MegaPOV (I don't know if it is technically feasable, given your 
explanations of the assumed_gamma issue)

Anyway, I was wondering, becuase it seemed like the assumed_gamma 
commandline option wasn't having an effect.

> In case you are wondering why this (and a few other) changes are 
> necessary, it has to do with the division of work between the various 
> parts inside POV-Ray.  Now that we have a clear structure (in POV-Ray 
> 3.7) various logic problems surface that simply did not matter before 
> (where everybody was just getting their data where they wanted).  
> Essentially this setting and a few others should never have been in the 
> scene file for this reason, but nobody noticed back when it was added.  
> Over time more patches added things to the global settings that they 
> should have been command-line settings as well. So now we clean it us.  
> The upside is, this will make developing newer versions of POV-Ray a lot 
> easier and faster because the chance to cause a bug by some minor change 
> that some other end of the code depends on its a whole lot smaller.
> 

In the end, I think this will be very positive for the program, this 
seems to be what is making this such a long beta cycle and breaking so 
many things.

-- 
~Mike

Things! Billions of them!

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