Creates a preview trace.
A preview trace consists of maximum minus minimum of all samples within delta seconds. The parameter delta must be a multiple of the sampling rate of the trace object.
Parameters: | delta (integer, optional) Difference between two preview points. Defaults to 60. |
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Return type: | Trace |
Returns: | New Trace object. |
This method will modify the original Trace object. Create a copy of the Trace object if you want to continue using the original data.