This is simply three moving averages in the same indicator, with the possibility to change the source, length, offset and type on every moving average (Simple, Exponential, Weighted, Volume-weighted, Triple EMA or a moving average that uses RSI ).
If you want to disable any of the moving averages, then do that under the "Style"-tab by unchecking the box for that moving average.
Catatan Rilis
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Update to Pine Script Version 4 and add resolution to study.