Well, if you want to use masks you automatically have a blend mode activated.
In that case blend mode "normal" (the new one in current git master) is the
best choice. It proportionally mixes input and output of a module without the
risk of artifacts.
Ulrich
Am 20.05.2013 um 01:34 schrieb Jiew Peng Lim <[email protected]>:
> It depends on what you want to achieve. Blend modes can be used for some
> special effects, like increasing contrast by using softlight with any module.
> If it increases contrast too much you can pull it down with the opacity
> slider. You can also do sharpening by blending the high pass module with
> overlay.
>
> So, in normal situations, you want to set it to off.
>
>
> On 20 May 2013 01:01, bartokk <[email protected]> wrote:
>> 2013/5/19 johannes hanika <[email protected]>
>>> most operations in darktable are `unbounded'. that is, they don't care
>>> about color gamut or hdr content and just accept all input, compute with
>>> it, and will output super-wide-gamut high dynamic range values again (hence
>>> unbounded).
>>>
>>> the old blending mode `normal' was cutting off your values at some maximum
>>> (100 for L and 1 for rgb or so). that's now called `bounded' and will
>>> destroy some of your data if you have very saturated colors or hdr images
>>> as input. for most photographs you'll probably not notice a difference.
>>>
>>> -jo
>>
>>
>> So, what's the best blending operator to use in normal situations? It's best
>> to leave blending mode to off?
>>
>>
>> --
>> Hasta proxima
>>
>> Bartokk
>>
>> Gpg public key: 0x73E5AEA3
>>
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