what's up with exr, color adaptation etc = burnouts

[pixela]

@BBB3

I wish I could help but I’m not quite sure why I’m not getting these burnouts. But I think Super Gnu hits the nail on the head. If you do everything (modelling, shading, test renders) using the same setup, i.e. with “don’t affect colors adaptation only” and sRGB on, as I do, you will naturally light your scene and adjust your materials so that they don’t produce burnouts. Then again, there are situations where burnouts are unavoidable and indeed correct, photographically speaking, especially if you rely on external sources alone to light a rather dark interior and you have pretty bright materials close to the light source. For instance, as I believe I wrote somewhere else earlier, my whites are actually closer to grey and the RGB values for other solid colours are pretty dark too, which may explain the lack of burnouts.
As for the absent shadows, I’m pretty sure they are there, but the second image is a lot brighter overall (look at the bottom of the bookshelves), wich may make your shadows look fainter. If you output to 32 bits and lower the exposure in PS, I’m pretty sure they would show up again.

I agree with this.

[pengo]

sorry the stupid question maybe/surely for more of you again that question
I mean Is it LWF as explained below?
- Max preferences enabling gamma/lut and put 2,2 in the proper field, enabling affect colors and affect material editor and leaving to 1 imput bitmaps outputs bitmaps (considering the use of color corretcion map/value0,4545 or color correct/gamma value2,2, or vraycolor/specify/value2,2 depending respectively if maps or colors to correct);
- color mapping type linear with its gamma to 2,2 burn/multiplier values both to 1.
I save renders with exr or hdr extensions that are 32 bit formats. In post processing I use to lower/erase the exr/hdr added gamma with exposure command gamma parameter with 0,4545 (to avoid the double gamma applied)
Is it correct? Thanks in advance to all will have patience to reply

Sorry my bad english