Calculates the cross correlation on each of the specified components separately, stacks them together and estimates the maximum and shift of maximum on the stack.
Basically the same as xcorr() but for (normally) three components, please also take a look at the documentation of that function. Useful e.g. for estimation of waveform similarity on a three component seismogram.
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Returns: | index, value[, fct] - index of maximum xcorr value and the value itself. The complete xcorr function is returned only if full_xcorr=True. |