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From Odwiki

Application Notes:

Keeping Only Increasing/Decreasing Values

The lag CHOP can be used in cases where we only want to retain increasing (or decreasing) values of an input channel -- i.e: it can be used to accumulate the input values up to a global maximum (or minimum).

The parameters Lag and Overshoot have two fields: the left field controls the amount of lag or overshoot for increasing values, and the right field for decreasing values. The following directions use the labels Lag1 and Lag2 to refer to the left and right fields respectively.

To keep only increasing values of an input channel:

• Set Lag1 to 0 (zero)
• Set Lag2 to 1e+6
• Leave the rest at default

To keep only decreasing values of an input channel:

• Set Lag1 to 1e+6
• Set Lag2 to 0 (zero)
• Leave the rest at default

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