averageDecFromCat(cat) | 
Compute the average declination from a catalog of measurements. | 
averageRaDec(ra, dec) | 
Calculate average RA, Dec from input lists using spherical geometry. | 
averageRaDecFromCat(cat) | 
Calculate the average right ascension and declination from a catalog. | 
averageRaFromCat(cat) | 
Compute the average right ascension from a catalog of measurements. | 
constructDataIds(filters, visits, ccds[, …]) | 
Returns a list of dataIds consisting of every combination of visit & ccd for each filter. | 
constructRunList(visits, ccds[, ccdKeyName]) | 
Construct a comprehensive runList for processCcd.py. | 
discoverDataIds(repo, **kwargs) | 
Retrieve a list of all dataIds in a repo. | 
ellipticity(i_xx, i_xy, i_yy) | 
Calculate ellipticity from second moments. | 
ellipticity_from_cat(cat[, slot_shape]) | 
Calculate the ellipticity of the Shapes in a catalog from the 2nd moments. | 
ellipticity_from_shape(shape) | 
Calculate the ellipticty of shape from its moments. | 
getCcdKeyName(dataId) | 
Return the key in a dataId that’s referring to the CCD or moral equivalent. | 
loadDataIdsAndParameters(configFile) | 
Load data IDs, magnitude range, and expected metrics from a yaml file. | 
loadParameters(configFile) | 
Load configuration parameters from a yaml file. | 
loadRunList(configFile) | 
Load run list from a YAML file. | 
medianEllipticity1ResidualsFromCat(cat) | 
Compute the median real ellipticty residuals from a catalog of measurements. | 
medianEllipticity2ResidualsFromCat(cat) | 
Compute the median imaginary ellipticty residuals from a catalog of measurements. | 
medianEllipticityResidualsFromCat(cat) | 
Compute the median ellipticty residuals from a catalog of measurements. | 
positionRms(ra_mean, dec_mean, ra, dec) | 
Calculate the RMS between an array of coordinates and a reference (mean) position. | 
positionRmsFromCat(cat) | 
Calculate the RMS for RA, Dec for a set of observations an object. | 
raftSensorToInt(visitId) | 
Construct an int that encodes raft, sensor coordinates. | 
repoNameToPrefix(repo) | 
Generate a base prefix for plots based on the repo name. | 
sphDist(ra_mean, dec_mean, ra, dec) | 
Calculate distance on the surface of a unit sphere. |