IdentityMetric

class rubin_sim.maf.metrics.IdentityMetric(col=None, metric_name=None, maps=None, units=None, metric_dtype=None, badval=-666, mask_val=None)

Bases: BaseMetric

Return the metric value itself .. this is primarily useful as a summary statistic for UniSlicer metrics.

Methods Summary

run(data_slice[, slice_point])

Calculate metric values.

Methods Documentation

run(data_slice, slice_point=None)

Calculate metric values.

Parameters:

data_slicenumpy.recarray

Values passed to metric by the slicer, which the metric will use to calculate metric values at each slice_point.

slice_pointdict or None

Dictionary of slice_point metadata passed to each metric. E.g. the ra/dec of the healpix pixel or opsim fieldId.

Returns:

metricValue: int float or object

The metric value at each slice_point.