lsst.jointcal
14.0
|
Classes | |
class | JointcalStatistics |
Functions | |
def | plot_flux_distributions |
def | plot_all_wcs_deltas |
def | make_xy_wcs_grid |
def | wcs_convert |
def | plot_all_wcs_quivers |
def | plot_wcs_quivers |
def | plot_wcs_magnitude |
def | plot_wcs |
def | plot_rms_histogram |
Variables | |
tuple | MatchDict = collections.namedtuple('MatchDict', ['relative', 'absolute']) |
def lsst.jointcal.utils.make_xy_wcs_grid | ( | x_dim, | |
y_dim, | |||
wcs1, | |||
wcs2, | |||
num = 50 |
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) |
def lsst.jointcal.utils.plot_all_wcs_deltas | ( | plt, | |
data_refs, | |||
visits, | |||
old_wcs_list, | |||
per_ccd_plot = False , |
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name = '' , |
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outdir = '.plots' |
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) |
Various plots of the difference between old and new Wcs. Parameters ---------- plt : matplotlib.pyplot instance pyplot instance to plot with. data_refs : list of lsst.daf.persistence.butlerSubset.ButlerDataRef A list of data refs to plot. visits : list of visit id (usually int) list of visit identifiers, one-to-one correspondent with catalogs. old_wcs_list : list of lsst.afw.image.wcs.Wcs A list of the old (pre-jointcal) WCSs, one-to-one corresponding to data_refs. per_ccd_plot : bool, optional Make per-ccd plots of the "wcs different" (warning: slow!) name : str Name to include in plot titles and save files. outdir : str, optional Directory to write the saved plots to.
def lsst.jointcal.utils.plot_all_wcs_quivers | ( | plt, | |
data_refs, | |||
visits, | |||
old_wcs_list, | |||
name, | |||
outdir = '.plots' |
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) |
Make quiver plots of the WCS deltas for each CCD in each visit. Parameters ---------- plt : matplotlib.pyplot instance pyplot instance to plot with. data_refs : list of lsst.daf.persistence.butlerSubset.ButlerDataRef A list of data refs to plot. visits : list of visit id (usually int) list of visit identifiers, one-to-one correspondent with catalogs. old_wcs_list : list of lsst.afw.image.wcs.Wcs A list of the old (pre-jointcal) WCSs, one-to-one corresponding to data_refs. name : str Name to include in plot titles and save files. outdir : str, optional Directory to write the saved plots to.
def lsst.jointcal.utils.plot_flux_distributions | ( | plt, | |
old_mag, | |||
new_mag, | |||
old_weighted_rms, | |||
new_weighted_rms, | |||
faint, | |||
bright, | |||
old_PA1, | |||
new_PA1, | |||
name = '' , |
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outdir = '.plots' |
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) |
Plot various distributions of fluxes and magnitudes. Parameters ---------- plt : matplotlib.pyplot instance pyplot instance to plot with old_mag : np.array old magnitudes new_mag : np.array new magnitudes old_weighted_rms : np.array old rms weighted by the mean (rms(data)/mean(data)) new_weighted_rms : np.array old rms weighted by the mean (rms(data)/mean(data)) faint : float Faint end of range that PA1 was computed from. bright : float Bright end of range that PA1 was computed from. old_PA1 : float Old value of PA1, to plot as horizontal line. new_PA1 : float New value of PA1, to plot as horizontal line. name : str Name to include in plot titles and save files. outdir : str, optional Directory to write the saved plots to.
def lsst.jointcal.utils.plot_rms_histogram | ( | plt, | |
old_rms_relative, | |||
old_rms_absolute, | |||
new_rms_relative, | |||
new_rms_absolute, | |||
old_rel_total, | |||
old_abs_total, | |||
new_rel_total, | |||
new_abs_total, | |||
name = "" , |
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outdir = '.plots' |
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) |
Plot histograms of the source separations and their RMS values. Parameters ---------- plt : matplotlib.pyplot instance pyplot instance to plot with. old_rms_relative : np.array old relative rms/star old_rms_absolute : np.array old absolute rms/star new_rms_relative : np.array new relative rms/star new_rms_absolute : np.array new absolute rms/star old_rel_total : float old relative rms over all stars old_abs_total : float old absolute rms over all stars new_rel_total : float new relative rms over all stars new_abs_total : float new absolute rms over all stars name : str Name to include in plot titles and save files. outdir : str, optional Directory to write the saved plots to.
def lsst.jointcal.utils.plot_wcs | ( | plt, | |
wcs1, | |||
wcs2, | |||
x_dim, | |||
y_dim, | |||
center = (0, 0 , |
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name = "" , |
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outdir = '.plots' |
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) |
Plot the "distortion map": wcs1-wcs2 delta of points in the CCD grid. Parameters ---------- plt : matplotlib.pyplot instance pyplot instance to plot with. wcs1 : lsst.afw.image.wcs.Wcs First WCS to compare. wcs2 : lsst.afw.image.wcs.Wcs Second WCS to compare. x_dim : int Size of array in X-coordinate to make the grid over. y_dim : int Size of array in Y-coordinate to make the grid over. center : tuple, optional Center of the data, in on-chip coordinates. name : str Name to include in plot titles and save files. outdir : str, optional Directory to write the saved plots to.
def lsst.jointcal.utils.plot_wcs_magnitude | ( | plt, | |
data_refs, | |||
visits, | |||
old_wcs_list, | |||
name, | |||
outdir = '.plots' |
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) |
Plot the magnitude of the WCS change between old and new visits as a heat map. Parameters ---------- plt : matplotlib.pyplot instance pyplot instance to plot with. data_refs : list of lsst.daf.persistence.butlerSubset.ButlerDataRef A list of data refs to plot. visits : list of visit id (usually int) list of visit identifiers, one-to-one correspondent with catalogs. old_wcs_list : list of lsst.afw.image.wcs.Wcs A list of the old (pre-jointcal) WCSs, one-to-one corresponding to data_refs. name : str Name to include in plot titles and save files. outdir : str, optional Directory to write the saved plots to.
def lsst.jointcal.utils.plot_wcs_quivers | ( | ax, | |
wcs1, | |||
wcs2, | |||
x_dim, | |||
y_dim | |||
) |
Plot the delta between wcs1 and wcs2 as vector arrows. Parameters ---------- ax : matplotlib.axis Matplotlib axis instance to plot to. wcs1 : lsst.afw.image.wcs.Wcs First WCS to compare. wcs2 : lsst.afw.image.wcs.Wcs Second WCS to compare. x_dim : int Size of array in X-coordinate to make the grid over. y_dim : int Size of array in Y-coordinate to make the grid over.
def lsst.jointcal.utils.wcs_convert | ( | xv, | |
yv, | |||
wcs | |||
) |