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Results tagged with graphics-programming
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user 62358
Programming related to the visual representation of information on computer screens.
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How to calculate alpha for n channels, so the sum equals 1 (100% coverage)?
Having "n" number of overlaying channels (bitmaps in the same place, layers etc.) how to calculate required alpha for each of them, so they "hide" background completely?
Each layer can have equal val …
- 295
1
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How to calculate alpha for n channels, so the sum equals 1 (100% coverage)?
This is the result of 1 / log(n). Using "Double Float" for calculations, alpha values in pictures are rounded to 2 decimal places.
Black on White:
White on Black:
- 295