# LEDaliClock matrix pattern

**URL:** <https://forum.electromage.com/t/ledaliclock-matrix-pattern/1364>\
**Category:** Show and Tell\
**Created:** [July 3, 2021, 10:28pm UTC](https://forum.electromage.com/t/ledaliclock-matrix-pattern/1364 "2021-07-03T22:28:02Z")\
**Posts on this page:** 1\
**Showing post:** 10

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**Author:** ![sorceror](https://forum.electromage.com/user_avatar/forum.electromage.com/sorceror/32/735_2.png) [@sorceror](https://forum.electromage.com/u/sorceror)\
**Post date:** [July 5, 2021, 7:28am UTC](https://forum.electromage.com/t/ledaliclock-matrix-pattern/1364/10 "2021-07-05T07:28:42Z")

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It’s called ‘a’ for alpha for historical reasons at this point. It’s really a brightness pre-multiplier, and then PixelMax only updates components that are brighter, which is indeed as you suggest to make the junctions smooth.

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