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Fixing the Refine Problem (the Extra White Stuff)

Disciplines > Photography > Affinity Photo > The InAffinity Video Index > Fixing the Refine Problem (the Extra White Stuff)

Summary | Video | Detail | See also

Summary

When doing a select/refine, you can end up with 'white stuff' around your selected area. This may not be a problem as it is often low opacity, but you may still want to get rid of it -- and here's a way to do this and also save the fix as a preset so you can use it again and again.

Video

Click image to watch on YouTube:

Detail

Publication Date: 28-Nov-20

Duration: 5:46

Note: the formula used in Procedural Texture (in the 'A' for Alpha channel) is:

roundup(A-a)*A

with a slider 0..1 with variable name 'a' and label 'Refine refine'

This works because:

The unwanted white area around the image is lower opacity/alpha.
(A-a) will be negative when 'a' (slider position) is less than 'A' (original opacity of pixel).
'roundup' will convert negative values to 0 and positive ones to 1 (you won't get values below -1 or above 1).
Multiplying the result by A will give alpha value of A for higher opacity/alpha pixels and zero (blanked out) for those with opacity less than that set by 'a' slider.

See also

Affinity Photo Tutorials on Fixing Issues

Affinity Photo Tutorials on Selection

Affinity Photo Tutorials on Procedural Texture

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Site Menu

| Home | Top | Quick Links | Settings |

Main sections: | Disciplines | Techniques | Principles | Explanations | Theories |

Other sections: | Blog! | Quotes | Guest articles | Analysis | Books | Help |

More pages: | Contact | Caveat | About | Students | Webmasters | Awards | Guestbook | Feedback | Sitemap | Changes |

Settings: | Computer layout | Mobile layout | Small font | Medium font | Large font | Translate |

Please help and share:

Quick links

Disciplines

* Argument
* Brand management
* Change Management
* Coaching
* Communication
* Counseling
* Game Design
* Human Resources
* Job-finding
* Leadership
* Marketing
* Politics
* Propaganda
* Rhetoric
* Negotiation
* Psychoanalysis
* Sales
* Sociology
* Storytelling
* Teaching
* Warfare
* Workplace design

Techniques

* Assertiveness
* Body language
* Change techniques
* Closing techniques
* Conversation
* Confidence tricks
* Conversion
* Creative techniques
* General techniques
* Happiness
* Hypnotism
* Interrogation
* Language
* Listening
* Negotiation tactics
* Objection handling
* Propaganda
* Problem-solving
* Public speaking
* Questioning
* Using repetition
* Resisting persuasion
* Self-development
* Sequential requests
* Storytelling
* Stress Management
* Tipping
* Using humor
* Willpower

Principles

Explanations

* Behaviors
* Beliefs
* Brain stuff
* Conditioning
* Coping Mechanisms
* Critical Theory
* Culture
* Decisions
* Emotions
* Evolution
* Gender
* Games
* Groups
* Habit
* Identity
* Learning
* Meaning
* Memory
* Motivation
* Models
* Needs
* Personality
* Power
* Preferences
* Research
* Relationships
* SIFT Model
* Social Research
* Stress
* Trust
* Values

Theories

* Alphabetic list
* Theory types

And

– About
– Guest Articles
– Blog!
– Books
– Changes
– Contact
– Guestbook
– Quotes
– Students
– Webmasters

| Home | Top | Menu | Quick Links |

© Changing Works 2002-
Massive Content — Maximum Speed