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Used to generate 1D and 2D summed histograms from per-event x (1D) or x/y (2D) coordinates.  This is an infinite sum, i.e. currently no support for a time window).  Internally it uses the Accumulator pattern.  See the numpy.histogram documentation for a description of the "density" parameter.

MeanVsScan, MeanWaveformVsScan

Compute Useful for either step-scans or fly-scans.  Compute the mean of a value or waveform as a function of step number (for an LCLS step-scana step-scan) or the fly-scanned value (for a fly-scan).  Internally uses the ReduceByKey pattern.

Global Operations Typically Used Internally By AMI

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