[Bf-compositor] Question regarding changes to blending modes

[Bartek Skorupa (priv)]

The way I see it:
Math is the same, but color spaces are different, so we come up with different results. Math is done on different inputs.
Most of my co-workers hate me when they open my After Effects projects because I always change AE's defaults to do blending in linear space. Their "screen mode tricks" don't work in my projects :-)

Bartek Skorupa

www.bartekskorupa.com

On 7 cze 2014, at 06:17, Troy Sobotka <troy.sobotka at gmail.com> wrote:

> 
> On Jun 6, 2014 5:23 PM, "Sean Kennedy" <mack_dadd2 at hotmail.com> wrote:
> > I've always thought that blending modes were a defined calculations, so they'd be the same everywhere (Blender, photoshop, after effects, nuke, everything...).
> 
> They are not.
> 
> By default, Photoshop sets a unity at 1.0 and assumes all display referred blend modes.
> 
> Nuke by default assumes scene referred blend modes, with no unity point. This can cause a little confusion to PS folks, especially where max() is used instead of 1.0, and leads to irregularities less than <1.0 for display referred imagery.
> 
> Nuke offers a “video space” toggle to use the display referred equivalents.
> 
> Blender should, also being scene referred, use scene referred blend modes, with an optional toggle to use the display referred form.
> 
> All scene referred and HDR compositing is bogged up using the defaults.
> 
> With respect,
> TJS
> 
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