mask edge

NNN636746263898859274

• 2019年04月10日 10:11

A mask appears to stop at the edge of the picture.
So when a mask, which is adjacent to the edge of teh picture, is moved away from that edge, you will end with a mask with the hard edge somewhere in the picture.

IMHO this is weird behavior especially when using something like a gradient. Or is there an option somewhere where you can choose how to act in a situation like this?
Some mechanism like 'content aware' or 'auto extend' for masks should be implemented in a situation like this. When the mask is 100% it's pretty easy to fill it in a invisible way using a brush. When it's not 100% it can be much harder though.

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  GrahamB3

  • 2019年04月10日 13:31

  Read the online manual, found under the "Help" heading in C1.
  
  This site has some good tutorials and videos on masking (and other aspects) in C1.
  https://blog.captureone.com/linear-and- ... gradients/

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  NNN636746263898859274

  • 2019年04月10日 18:48

  Thanks, I will go through the videos an tutorials!

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  Ian Wilson

  Moderator

  • 2019年04月10日 21:25

  

  I think it depends on what kind of mask you are using. If you draw a gradient, for example, from top to bottom of the frame, I don't think it should matter that you have cropped in at the sides first - the gradient will still be there in the cropped out sides. But if you brush a mask on just some areas, it won't get into the cropped out bits. That is one of the reasons I don't agree with the advice that some people give to crop first before adjusting other things. What if I change my mind about the crop later, or want two different crops? I end up having to redo the mask. I'd prefer to mask first and crop later.
  
  Ian

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  SFA

  • 2019年04月11日 09:57

  [quote="NNN636746263898859274" wrote:
  A mask appears to stop at the edge of the picture.
  

  
  
  A mask is what you make it.
  
  C1, unlike pixel editors, has no concept of a "canvas" onto which you place an image as part of some sort of artisitic development. Therefore the references for location points for a mask - given that masks by design are intended to apply very specifically to points and even pixels in an image - must be contained within the area of an image unless using the crop outside image feature.
  
  That feature, however, is not the same as a canvas in terms of C1 processing. Rather it is a way of providing a cropped result that can be used in pixel painting applications like PS and Affinity.
  
  I'm not sure that is would be possible or even very logical to attempt to provide a feature that is is auto-logic enabled for most of the masking capability in what is most often a tailored adjustment to personal preferences for a specific area of an image.
  
  If having the application make the decision become the normal approach we may as well simply request an AI application that picks the images for us and adjusts according to out learned preferences or some social media derived "popular" appearance of the moment.
  
  Just my opinion of course.
  
  And it should be pointed out that some mask types are, at the point of creation, not bounded by specific mask "painting" though probably should be treated as "bounded" once they have been deployed to avoid unexpected changes to a processed image.
  
  Grant

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