calcRmsDistances

lsst.validate.drp.util.calcRmsDistances(groupView, annulus, magRange=None, verbose=False)[source]

Calculate the RMS distance of a set of matched objects over visits.

Parameters:

groupView : lsst.afw.table.GroupView

GroupView object of matched observations from MultiMatch.

annulus : 2-element list or tuple of float

Distance range in which to compare object. [arcmin] E.g., annulus=[19, 21] would consider all objects separated from each other between 19 and 21 arcminutes.

magRange : 2-element list or tuple of float, optional

Magnitude range from which to select objects. Default of None will result in all objects being considered.

verbose : bool, optional

Output additional information on the analysis steps.

Returns:

list

rmsDistMas