Le 18/01/2013 19:40, Ivan Tarozzi a écrit :
> But as general point of view: why use a vector mask instead of a bitmap 
> one? I mean a grey mask as in gimp or other software (I think LR also)...

In fact no, LR records only points where the effect is to be applied.
Strange,  but working fine.

> Is this choice because more simple to develop or there are other 
> reasons? I'm only curious. Actually I have not experience to speak about 
> pro and cons of vector vs bitmap mask.

One reason is maybe space to record in the .xmp? But I agree with you, a
simple gray mask could be more versatile... Not sure.

Pascal.

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