コード例 #1
0
 def testRapidRevisitMetric(self):
     data = np.zeros(100, dtype=list(zip(['expMJD'], [float])))
     # Uniformly distribute time _differences_ between 0 and 100
     dtimes = np.arange(100)
     data['expMJD'] = dtimes.cumsum()
     # Set up "rapid revisit" metric to look for visits between 5 and 25
     metric = metrics.RapidRevisitMetric(dTmin=5, dTmax=55, minNvisits=50)
     result = metric.run(data)
     # This should be uniform.
     self.assertTrue(result < 0.1)
     self.assertTrue(result >= 0)
     # Set up non-uniform distribution of time differences
     dtimes = np.zeros(100) + 5
     data['expMJD'] = dtimes.cumsum()
     result = metric.run(data)
     self.assertTrue(result >= 0.5)
     dtimes = np.zeros(100) + 15
     data['expMJD'] = dtimes.cumsum()
     result = metric.run(data)
     self.assertTrue(result >= 0.5)
     # Let's see how much dmax/result can vary
     resmin = 1
     resmax = 0
     for i in range(10000):
         dtimes = np.random.rand(100)
         data['expMJD'] = dtimes.cumsum()
         metric = metrics.RapidRevisitMetric(dTmin=0.1,
                                             dTmax=0.8,
                                             minNvisits=50)
         result = metric.run(data)
         resmin = np.min([resmin, result])
         resmax = np.max([resmax, result])
     print("RapidRevisit .. range", resmin, resmax)
コード例 #2
0
ファイル: testCadenceMetrics.py プロジェクト: hsnee/sims_maf
 def testRapidRevisitMetric(self):
     data = np.zeros(100, dtype=list(zip(['observationStartMJD'], [float])))
     dtimes = np.arange(100)/24./60.
     data['observationStartMJD'] = dtimes.cumsum()
     # Set metric parameters to the actual N1/N2 values for these dtimes.
     metric = metrics.RapidRevisitMetric(dTmin=40./60./60./24., dTpairs=20./60./24.,
                                         dTmax=30./60./24., minN1=19, minN2=29)
     result = metric.run(data)
     self.assertEqual(result, 1)
     # Set metric parameters to > N1/N2 values, to see it return 0.
     metric = metrics.RapidRevisitMetric(dTmin=40.0/60.0/60.0/24., dTpairs=20./60./24.,
                                         dTmax=30./60./24., minN1=30, minN2=50)
     result = metric.run(data)
     self.assertEqual(result, 0)
     # Test with single value data.
     data = np.zeros(1, dtype=list(zip(['observationStartMJD'], [float])))
     result = metric.run(data)
     self.assertEqual(result, 0)
コード例 #3
0
def makeBundleList(dbFile, runName=None, nside=64, benchmark='design',
                   lonCol='fieldRA', latCol='fieldDec', seeingCol='seeingFwhmGeom'):
    """
    make a list of metricBundle objects to look at the scientific performance
    of an opsim run.
    """

    # List to hold everything we're going to make
    bundleList = []

    # List to hold metrics that shouldn't be saved
    noSaveBundleList = []

    # Connect to the databse
    opsimdb = db.OpsimDatabaseV4(dbFile)
    if runName is None:
        runName = os.path.basename(dbFile).replace('_sqlite.db', '')

    # Fetch the proposal ID values from the database
    propids, propTags = opsimdb.fetchPropInfo()

    # Fetch the telescope location from config
    lat, lon, height = opsimdb.fetchLatLonHeight()

    # Add metadata regarding dithering/non-dithered.
    commonname = ''.join([a for a in lonCol if a in latCol])
    if commonname == 'field':
        slicermetadata = ' (non-dithered)'
    else:
        slicermetadata = ' (%s)' % (commonname)

    # Construct a WFD SQL where clause so multiple propIDs can query by WFD:
    wfdWhere = opsimdb.createSQLWhere('WFD', propTags)
    print('#FYI: WFD "where" clause: %s' % (wfdWhere))
    ddWhere = opsimdb.createSQLWhere('DD', propTags)
    print('#FYI: DD "where" clause: %s' % (ddWhere))

    # Set up benchmark values, scaled to length of opsim run.
    runLength = opsimdb.fetchRunLength()
    if benchmark == 'requested':
        # Fetch design values for seeing/skybrightness/single visit depth.
        benchmarkVals = utils.scaleBenchmarks(runLength, benchmark='design')
        # Update nvisits with requested visits from config files.
        benchmarkVals['nvisits'] = opsimdb.fetchRequestedNvisits(propId=propTags['WFD'])
        # Calculate expected coadded depth.
        benchmarkVals['coaddedDepth'] = utils.calcCoaddedDepth(benchmarkVals['nvisits'],
                                                               benchmarkVals['singleVisitDepth'])
    elif (benchmark == 'stretch') or (benchmark == 'design'):
        # Calculate benchmarks for stretch or design.
        benchmarkVals = utils.scaleBenchmarks(runLength, benchmark=benchmark)
        benchmarkVals['coaddedDepth'] = utils.calcCoaddedDepth(benchmarkVals['nvisits'],
                                                               benchmarkVals['singleVisitDepth'])
    else:
        raise ValueError('Could not recognize benchmark value %s, use design, stretch or requested.'
                         % (benchmark))
    # Check that nvisits is not set to zero (for very short run length).
    for f in benchmarkVals['nvisits']:
        if benchmarkVals['nvisits'][f] == 0:
            print('Updating benchmark nvisits value in %s to be nonzero' % (f))
            benchmarkVals['nvisits'][f] = 1

    # Set values for min/max range of nvisits for All/WFD and DD plots. These are somewhat arbitrary.
    nvisitsRange = {}
    nvisitsRange['all'] = {'u': [20, 80], 'g': [50, 150], 'r': [100, 250],
                           'i': [100, 250], 'z': [100, 300], 'y': [100, 300]}
    nvisitsRange['DD'] = {'u': [6000, 10000], 'g': [2500, 5000], 'r': [5000, 8000],
                          'i': [5000, 8000], 'z': [7000, 10000], 'y': [5000, 8000]}
    # Scale these ranges for the runLength.
    scale = runLength / 10.0
    for prop in nvisitsRange:
        for f in nvisitsRange[prop]:
            for i in [0, 1]:
                nvisitsRange[prop][f][i] = int(np.floor(nvisitsRange[prop][f][i] * scale))

    # Filter list, and map of colors (for plots) to filters.
    filters = ['u', 'g', 'r', 'i', 'z', 'y']
    colors = {'u': 'cyan', 'g': 'g', 'r': 'y', 'i': 'r', 'z': 'm', 'y': 'k'}
    filtorder = {'u': 1, 'g': 2, 'r': 3, 'i': 4, 'z': 5, 'y': 6}

    # Easy way to run through all fi

    # Set up a list of common summary stats
    commonSummary = [metrics.MeanMetric(), metrics.RobustRmsMetric(), metrics.MedianMetric(),
                     metrics.PercentileMetric(metricName='25th%ile', percentile=25),
                     metrics.PercentileMetric(metricName='75th%ile', percentile=75),
                     metrics.MinMetric(), metrics.MaxMetric()]
    allStats = commonSummary

    # Set up some 'group' labels
    reqgroup = 'A: Required SRD metrics'
    depthgroup = 'B: Depth per filter'
    uniformitygroup = 'C: Uniformity'
    airmassgroup = 'D: Airmass distribution'
    seeinggroup = 'E: Seeing distribution'
    transgroup = 'F: Transients'
    sngroup = 'G: SN Ia'
    altAzGroup = 'H: Alt Az'
    rangeGroup = 'I: Range of Dates'
    intergroup = 'J: Inter-Night'
    phaseGroup = 'K: Max Phase Gap'
    NEOGroup = 'L: NEO Detection'

    # Set up an object to track the metricBundles that we want to combine into merged plots.
    mergedHistDict = {}

    # Set the histogram merge function.
    mergeFunc = plots.HealpixHistogram()

    keys = ['NVisits', 'coaddm5', 'NormEffTime', 'Minseeing', 'seeingAboveLimit', 'minAirmass',
            'fracAboveAirmass']

    for key in keys:
        mergedHistDict[key] = plots.PlotBundle(plotFunc=mergeFunc)

    ##
    # Calculate the fO metrics for all proposals and WFD only.
    order = 0
    for prop in ('All prop', 'WFD only'):
        if prop == 'All prop':
            metadata = 'All Visits' + slicermetadata
            sqlconstraint = ''
        if prop == 'WFD only':
            metadata = 'WFD only' + slicermetadata
            sqlconstraint = '%s' % (wfdWhere)
        # Configure the count metric which is what is used for f0 slicer.
        m1 = metrics.CountMetric(col='observationStartMJD', metricName='fO')
        plotDict = {'xlabel': 'Number of Visits', 'Asky': benchmarkVals['Area'],
                    'Nvisit': benchmarkVals['nvisitsTotal'], 'xMin': 0, 'xMax': 1500}
        summaryMetrics = [metrics.fOArea(nside=nside, norm=False, metricName='fOArea: Nvisits (#)',
                                         Asky=benchmarkVals['Area'], Nvisit=benchmarkVals['nvisitsTotal']),
                          metrics.fOArea(nside=nside, norm=True, metricName='fOArea: Nvisits/benchmark',
                                         Asky=benchmarkVals['Area'], Nvisit=benchmarkVals['nvisitsTotal']),
                          metrics.fONv(nside=nside, norm=False, metricName='fONv: Area (sqdeg)',
                                       Asky=benchmarkVals['Area'], Nvisit=benchmarkVals['nvisitsTotal']),
                          metrics.fONv(nside=nside, norm=True, metricName='fONv: Area/benchmark',
                                       Asky=benchmarkVals['Area'], Nvisit=benchmarkVals['nvisitsTotal'])]
        caption = 'The FO metric evaluates the overall efficiency of observing. '
        caption += ('fOArea: Nvisits = %.1f sq degrees receive at least this many visits out of %d. '
                    % (benchmarkVals['Area'], benchmarkVals['nvisitsTotal']))
        caption += ('fONv: Area = this many square degrees out of %.1f receive at least %d visits.'
                    % (benchmarkVals['Area'], benchmarkVals['nvisitsTotal']))
        displayDict = {'group': reqgroup, 'subgroup': 'F0', 'displayOrder': order, 'caption': caption}
        order += 1
        slicer = slicers.HealpixSlicer(nside=nside, lonCol=lonCol, latCol=latCol)

        bundle = metricBundles.MetricBundle(m1, slicer, sqlconstraint, plotDict=plotDict,
                                            displayDict=displayDict, summaryMetrics=summaryMetrics,
                                            plotFuncs=[plots.FOPlot()],
                                            runName=runName, metadata=metadata)
        bundleList.append(bundle)

    ###
    # Calculate the Rapid Revisit Metrics.
    order = 0
    metadata = 'All Visits' + slicermetadata
    sqlconstraint = ''
    dTmin = 40.0  # seconds
    dTmax = 30.0*60. # seconds
    minNvisit = 100
    pixArea = float(hp.nside2pixarea(nside, degrees=True))
    scale = pixArea * hp.nside2npix(nside)
    cutoff1 = 0.15
    extraStats1 = [metrics.FracBelowMetric(cutoff=cutoff1, scale=scale, metricName='Area (sq deg)')]
    extraStats1.extend(commonSummary)
    slicer = slicers.HealpixSlicer(nside=nside, lonCol=lonCol, latCol=latCol)
    m1 = metrics.RapidRevisitMetric(metricName='RapidRevisitUniformity',
                                    dTmin=dTmin / 60.0 / 60.0 / 24.0, dTmax=dTmax / 60.0 / 60.0 / 24.0,
                                    minNvisits=minNvisit)

    plotDict = {'xMin': 0, 'xMax': 1}
    summaryStats = extraStats1
    caption = 'Deviation from uniformity for short revisit timescales, between %s and %s seconds, ' % (
        dTmin, dTmax)
    caption += 'for pointings with at least %d visits in this time range. ' % (minNvisit)
    caption += 'Summary statistic "Area" below indicates the area on the sky which has a '
    caption += 'deviation from uniformity of < %.2f.' % (cutoff1)
    displayDict = {'group': reqgroup, 'subgroup': 'Rapid Revisit', 'displayOrder': order,
                   'caption': caption}
    bundle = metricBundles.MetricBundle(m1, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, summaryMetrics=summaryStats,
                                        runName=runName, metadata=metadata)
    bundleList.append(bundle)
    order += 1

    dTmax = dTmax/60.0 # need time in minutes for Nrevisits metric
    m2 = metrics.NRevisitsMetric(dT=dTmax)
    plotDict = {'xMin': 0.1, 'xMax': 2000, 'logScale': True}
    cutoff2 = 800
    extraStats2 = [metrics.FracAboveMetric(cutoff=cutoff2, scale=scale, metricName='Area (sq deg)')]
    extraStats2.extend(commonSummary)
    caption = 'Number of consecutive visits with return times faster than %.1f minutes, ' % (dTmax)
    caption += 'in any filter, all proposals. '
    caption += 'Summary statistic "Area" below indicates the area on the sky which has more than '
    caption += '%d revisits within this time window.' % (cutoff2)
    summaryStats = extraStats2
    displayDict = {'group': reqgroup, 'subgroup': 'Rapid Revisit', 'displayOrder': order,
                   'caption': caption}
    bundle = metricBundles.MetricBundle(m2, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, summaryMetrics=summaryStats,
                                        runName=runName, metadata=metadata)
    bundleList.append(bundle)
    order += 1
    m3 = metrics.NRevisitsMetric(dT=dTmax, normed=True)
    plotDict = {'xMin': 0, 'xMax': 1, 'cbarFormat': '%.1f'}
    cutoff3 = 0.6
    extraStats3 = [metrics.FracAboveMetric(cutoff=cutoff3, scale=scale, metricName='Area (sq deg)')]
    extraStats3.extend(commonSummary)
    summaryStats = extraStats3
    caption = 'Fraction of total visits where consecutive visits have return times faster '
    caption += 'than %.1f minutes, in any filter, all proposals. ' % (dTmax)
    caption += 'Summary statistic "Area" below indicates the area on the sky which has more '
    caption += 'than %d revisits within this time window.' % (cutoff3)
    displayDict = {'group': reqgroup, 'subgroup': 'Rapid Revisit', 'displayOrder': order,
                   'caption': caption}
    bundle = metricBundles.MetricBundle(m3, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, summaryMetrics=summaryStats,
                                        runName=runName, metadata=metadata)
    bundleList.append(bundle)
    order += 1

    # And add a histogram of the time between quick revisits.
    binMin = 0
    binMax = 120.
    binsize = 3.
    bins_metric = np.arange(binMin / 60.0 / 24.0, (binMax + binsize) / 60. / 24., binsize / 60. / 24.)
    bins_plot = bins_metric * 24.0 * 60.0
    m1 = metrics.TgapsMetric(bins=bins_metric, metricName='dT visits')
    plotDict = {'bins': bins_plot, 'xlabel': 'dT (minutes)'}
    caption = ('Histogram of the time between consecutive revisits (<%.1f minutes), over entire sky.'
               % (binMax))
    displayDict = {'group': reqgroup, 'subgroup': 'Rapid Revisit', 'order': order,
                   'caption': caption}
    slicer = slicers.HealpixSlicer(nside=nside, lonCol=lonCol, latCol=latCol)
    plotFunc = plots.SummaryHistogram()
    bundle = metricBundles.MetricBundle(m1, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, runName=runName,
                                        metadata=metadata, plotFuncs=[plotFunc])
    bundleList.append(bundle)
    order += 1

    ##
    # Trigonometric parallax and proper motion @ r=20 and r=24
    slicer = slicers.HealpixSlicer(nside=nside, lonCol=lonCol, latCol=latCol)
    sqlconstraint = ''
    order = 0
    metric = metrics.ParallaxMetric(metricName='Parallax 20', rmag=20, seeingCol=seeingCol)
    summaryStats = allStats
    plotDict = {'cbarFormat': '%.1f', 'xMin': 0, 'xMax': 3}
    displayDict = {'group': reqgroup, 'subgroup': 'Parallax', 'order': order,
                   'caption': 'Parallax precision at r=20. (without refraction).'}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, summaryMetrics=summaryStats,
                                        runName=runName, metadata=metadata)
    bundleList.append(bundle)
    order += 1
    metric = metrics.ParallaxMetric(metricName='Parallax 24', rmag=24, seeingCol=seeingCol)
    plotDict = {'cbarFormat': '%.1f', 'xMin': 0, 'xMax': 10}
    displayDict = {'group': reqgroup, 'subgroup': 'Parallax', 'order': order,
                   'caption': 'Parallax precision at r=24. (without refraction).'}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, summaryMetrics=summaryStats,
                                        runName=runName, metadata=metadata)
    bundleList.append(bundle)
    order += 1
    metric = metrics.ParallaxMetric(metricName='Parallax Normed', rmag=24, normalize=True,
                                    seeingCol=seeingCol)
    plotDict = {'xMin': 0.5, 'xMax': 1.0}
    displayDict = {'group': reqgroup, 'subgroup': 'Parallax', 'order': order,
                   'caption':
                   'Normalized parallax (normalized to optimum observation cadence, 1=optimal).'}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, summaryMetrics=summaryStats,
                                        runName=runName, metadata=metadata)
    bundleList.append(bundle)
    order += 1
    metric = metrics.ParallaxCoverageMetric(metricName='Parallax Coverage 20', rmag=20, seeingCol=seeingCol)
    plotDict = {}
    caption = "Parallax factor coverage for an r=20 star (0 is bad, 0.5-1 is good). "
    caption += "One expects the parallax factor coverage to vary because stars on the ecliptic "
    caption += "can be observed when they have no parallax offset while stars at the pole are always "
    caption += "offset by the full parallax offset."""
    displayDict = {'group': reqgroup, 'subgroup': 'Parallax', 'order': order,
                   'caption': caption}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, summaryMetrics=summaryStats,
                                        runName=runName, metadata=metadata)
    bundleList.append(bundle)
    order += 1
    metric = metrics.ParallaxCoverageMetric(metricName='Parallax Coverage 24', rmag=24, seeingCol=seeingCol)
    plotDict = {}
    caption = "Parallax factor coverage for an r=24 star (0 is bad, 0.5-1 is good). "
    caption += "One expects the parallax factor coverage to vary because stars on the ecliptic "
    caption += "can be observed when they have no parallax offset while stars at the pole are always "
    caption += "offset by the full parallax offset."""
    displayDict = {'group': reqgroup, 'subgroup': 'Parallax', 'order': order,
                   'caption': caption}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, summaryMetrics=summaryStats,
                                        runName=runName, metadata=metadata)
    bundleList.append(bundle)
    order += 1
    metric = metrics.ParallaxDcrDegenMetric(metricName='Parallax-DCR degeneracy 20', rmag=20,
                                            seeingCol=seeingCol)
    plotDict = {}
    caption = 'Correlation between parallax offset magnitude and hour angle an r=20 star.'
    caption += ' (0 is good, near -1 or 1 is bad).'
    displayDict = {'group': reqgroup, 'subgroup': 'Parallax', 'order': order,
                   'caption': caption}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, summaryMetrics=summaryStats,
                                        runName=runName, metadata=metadata)
    bundleList.append(bundle)
    order += 1
    metric = metrics.ParallaxDcrDegenMetric(metricName='Parallax-DCR degeneracy 24', rmag=24,
                                            seeingCol=seeingCol)
    plotDict = {}
    caption = 'Correlation between parallax offset magnitude and hour angle an r=24 star.'
    caption += ' (0 is good, near -1 or 1 is bad).'
    displayDict = {'group': reqgroup, 'subgroup': 'Parallax', 'order': order,
                   'caption': caption}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, summaryMetrics=summaryStats,
                                        runName=runName, metadata=metadata)
    bundleList.append(bundle)
    order += 1

    metric = metrics.ProperMotionMetric(metricName='Proper Motion 20', rmag=20, seeingCol=seeingCol)

    summaryStats = allStats
    plotDict = {'xMin': 0, 'xMax': 3}
    displayDict = {'group': reqgroup, 'subgroup': 'Proper Motion', 'order': order,
                   'caption': 'Proper Motion precision at r=20.'}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, summaryMetrics=summaryStats,
                                        runName=runName, metadata=metadata)
    bundleList.append(bundle)
    order += 1
    metric = metrics.ProperMotionMetric(rmag=24, metricName='Proper Motion 24', seeingCol=seeingCol)
    summaryStats = allStats
    plotDict = {'xMin': 0, 'xMax': 10}
    displayDict = {'group': reqgroup, 'subgroup': 'Proper Motion', 'order': order,
                   'caption': 'Proper Motion precision at r=24.'}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, summaryMetrics=summaryStats,
                                        runName=runName, metadata=metadata)
    bundleList.append(bundle)
    order += 1
    metric = metrics.ProperMotionMetric(rmag=24, normalize=True, metricName='Proper Motion Normed',
                                        seeingCol=seeingCol)
    plotDict = {'xMin': 0.2, 'xMax': 0.7}
    caption = 'Normalized proper motion at r=24. '
    caption += '(normalized to optimum observation cadence - start/end. 1=optimal).'
    displayDict = {'group': reqgroup, 'subgroup': 'Proper Motion', 'order': order,
                   'caption': caption}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, summaryMetrics=summaryStats,
                                        runName=runName, metadata=metadata)
    bundleList.append(bundle)
    order += 1

    ##
    # Calculate the time uniformity in each filter, for each year.
    order = 0

    slicer = slicers.HealpixSlicer(nside=nside, lonCol=lonCol, latCol=latCol)
    plotFuncs = [plots.TwoDMap()]
    step = 0.5
    bins = np.arange(0, 365.25 * 10 + 40, 40) - step
    metric = metrics.AccumulateUniformityMetric(bins=bins)
    plotDict = {'xlabel': 'Night (days)', 'xextent': [bins.min(
    ) + step, bins.max() + step], 'cbarTitle': 'Uniformity'}
    for f in filters:
        sqlconstraint = 'filter = "%s"' % (f)
        caption = 'Deviation from uniformity in %s band. ' % f
        caption += 'Northern Healpixels are at the top of the image.'
        caption += '(0=perfectly uniform, 1=perfectly nonuniform).'
        displayDict = {'group': uniformitygroup, 'subgroup': 'per night',
                       'order': filtorder[f], 'caption': caption}
        metadata = '%s band' % (f) + slicermetadata
        bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                            displayDict=displayDict, runName=runName, metadata=metadata,
                                            plotFuncs=plotFuncs)
        noSaveBundleList.append(bundle)

    ##
    # Depth metrics.
    slicer = slicers.HealpixSlicer(nside=nside, lonCol=lonCol, latCol=latCol)
    for f in filters:
        propCaption = '%s band, all proposals %s' % (f, slicermetadata)
        sqlconstraint = 'filter = "%s"' % (f)
        metadata = '%s band' % (f) + slicermetadata
        # Number of visits.
        metric = metrics.CountMetric(col='observationStartMJD', metricName='NVisits')
        plotDict = {'xlabel': 'Number of visits',
                    'xMin': nvisitsRange['all'][f][0],
                    'xMax': nvisitsRange['all'][f][1],
                    'colorMin': nvisitsRange['all'][f][0],
                    'colorMax': nvisitsRange['all'][f][1],
                    'binsize': 5,
                    'logScale': True, 'nTicks': 4, 'colorMin': 1}
        summaryStats = allStats
        displayDict = {'group': depthgroup, 'subgroup': 'Nvisits', 'order': filtorder[f],
                       'caption': 'Number of visits in filter %s, %s.' % (f, propCaption)}
        histMerge = {'color': colors[f], 'label': '%s' % (f),
                     'binsize': 5,
                     'xMin': nvisitsRange['all'][f][0], 'xMax': nvisitsRange['all'][f][1],
                     'legendloc': 'upper right'}
        bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                            displayDict=displayDict, runName=runName, metadata=metadata,
                                            summaryMetrics=summaryStats)
        mergedHistDict['NVisits'].addBundle(bundle, plotDict=histMerge)
        bundleList.append(bundle)
        # Coadded depth.
        metric = metrics.Coaddm5Metric()
        plotDict = {'zp': benchmarkVals['coaddedDepth'][f], 'xMin': -0.8, 'xMax': 0.8,
                    'xlabel': 'coadded m5 - %.1f' % benchmarkVals['coaddedDepth'][f]}
        summaryStats = allStats
        histMerge = {'legendloc': 'upper right', 'color': colors[f], 'label': '%s' % f, 'binsize': .02,
                     'xlabel': 'coadded m5 - benchmark value'}
        caption = ('Coadded depth in filter %s, with %s value subtracted (%.1f), %s. '
                   % (f, benchmark, benchmarkVals['coaddedDepth'][f], propCaption))
        caption += 'More positive numbers indicate fainter limiting magnitudes.'
        displayDict = {'group': depthgroup, 'subgroup': 'Coadded Depth',
                       'order': filtorder[f], 'caption': caption}
        bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                            displayDict=displayDict, runName=runName, metadata=metadata,
                                            summaryMetrics=summaryStats)
        mergedHistDict['coaddm5'].addBundle(bundle, plotDict=histMerge)
        bundleList.append(bundle)
        # Effective time.
        metric = metrics.TeffMetric(metricName='Normalized Effective Time', normed=True,
                                    fiducialDepth=benchmarkVals['singleVisitDepth'])
        plotDict = {'xMin': 0.1, 'xMax': 1.1}
        summaryStats = allStats
        histMerge = {'legendLoc': 'upper right', 'color': colors[f], 'label': '%s' % f, 'binsize': 0.02}
        caption = ('"Time Effective" in filter %s, calculated with fiducial single-visit depth of %s mag. '
                   % (f, benchmarkVals['singleVisitDepth'][f]))
        caption += 'Normalized by the fiducial time effective, if every observation was at '
        caption += 'the fiducial depth.'
        displayDict = {'group': depthgroup, 'subgroup': 'Time Eff.',
                       'order': filtorder[f], 'caption': caption}
        bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                            displayDict=displayDict, runName=runName, metadata=metadata,
                                            summaryMetrics=summaryStats)
        mergedHistDict['NormEffTime'].addBundle(bundle, plotDict=histMerge)
        bundleList.append(bundle)

    # Put in a z=0.5 Type Ia SN, based on Cambridge 2015 workshop notebook.
    # Check for 1) detection in any band, 2) detection on the rise in any band,
    # 3) good characterization
    peaks = {'uPeak': 25.9, 'gPeak': 23.6, 'rPeak': 22.6, 'iPeak': 22.7, 'zPeak': 22.7, 'yPeak': 22.8}
    peakTime = 15.
    transDuration = peakTime + 30.  # Days
    metric = metrics.TransientMetric(riseSlope=-2. / peakTime, declineSlope=1.4 / 30.0,
                                     transDuration=transDuration, peakTime=peakTime,
                                     surveyDuration=runLength,
                                     metricName='SNDetection', **peaks)
    caption = 'Fraction of z=0.5 type Ia SN that are detected in any filter'
    displayDict = {'group': transgroup, 'subgroup': 'Detected', 'caption': caption}
    sqlconstraint = ''
    metadata = '' + slicermetadata
    plotDict = {}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, runName=runName, metadata=metadata)
    bundleList.append(bundle)

    metric = metrics.TransientMetric(riseSlope=-2. / peakTime, declineSlope=1.4 / 30.0,
                                     transDuration=transDuration, peakTime=peakTime,
                                     surveyDuration=runLength,
                                     nPrePeak=1, metricName='SNAlert', **peaks)
    caption = 'Fraction of z=0.5 type Ia SN that are detected pre-peak in any filter'
    displayDict = {'group': transgroup, 'subgroup': 'Detected on the rise', 'caption': caption}
    plotDict = {}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, runName=runName, metadata=metadata)
    bundleList.append(bundle)

    metric = metrics.TransientMetric(riseSlope=-2. / peakTime, declineSlope=1.4 / 30.,
                                     transDuration=transDuration, peakTime=peakTime,
                                     surveyDuration=runLength, metricName='SNLots',
                                     nFilters=3, nPrePeak=3, nPerLC=2, **peaks)
    caption = 'Fraction of z=0.5 type Ia SN that are observed 6 times, 3 pre-peak, '
    caption += '3 post-peak, with observations in 3 filters'
    displayDict = {'group': transgroup, 'subgroup': 'Well observed', 'caption': caption}
    sqlconstraint = 'filter="r" or filter="g" or filter="i" or filter="z" '
    plotDict = {}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, runName=runName, metadata=metadata)
    bundleList.append(bundle)

    # Good seeing in r/i band metrics, including in first/second years.
    order = 0
    for tcolor, tlabel, timespan in zip(['k', 'g', 'r'], ['10 years', '1 year', '2 years'],
                                        ['', ' and night<=365', ' and night<=730']):
        order += 1
        for f in (['r', 'i']):
            sqlconstraint = 'filter = "%s" %s' % (f, timespan)
            propCaption = '%s band, all proposals %s, over %s.' % (f, slicermetadata, tlabel)
            metadata = '%s band, %s' % (f, tlabel) + slicermetadata
            seeing_limit = 0.7
            airmass_limit = 1.2
            metric = metrics.MinMetric(col=seeingCol)
            summaryStats = allStats
            plotDict = {'xMin': 0.35, 'xMax': 1.5, 'color': tcolor}
            displayDict = {'group': seeinggroup, 'subgroup': 'Best Seeing',
                           'order': filtorder[f] * 100 + order,
                           'caption': 'Minimum FWHMgeom values in %s.' % (propCaption)}
            histMerge = {'label': '%s %s' % (f, tlabel), 'color': tcolor,
                         'binsize': 0.03, 'xMin': 0.35, 'xMax': 1.5, 'legendloc': 'upper right'}
            bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                                displayDict=displayDict, runName=runName, metadata=metadata,
                                                summaryMetrics=summaryStats)
            mergedHistDict['Minseeing'].addBundle(bundle, plotDict=histMerge)
            bundleList.append(bundle)

            metric = metrics.FracAboveMetric(col=seeingCol, cutoff=seeing_limit)
            summaryStats = allStats
            plotDict = {'xMin': 0, 'xMax': 1.1, 'color': tcolor}
            displayDict = {'group': seeinggroup, 'subgroup': 'Good seeing fraction',
                           'order': filtorder[f] * 100 + order,
                           'caption': 'Fraction of total images with FWHMgeom worse than %.1f, in %s'
                           % (seeing_limit, propCaption)}
            histMerge = {'color': tcolor, 'label': '%s %s' % (f, tlabel),
                         'binsize': 0.05, 'legendloc': 'upper right'}
            bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                                displayDict=displayDict, runName=runName, metadata=metadata,
                                                summaryMetrics=summaryStats)
            mergedHistDict['seeingAboveLimit'].addBundle(bundle, plotDict=histMerge)
            bundleList.append(bundle)

            metric = metrics.MinMetric(col='airmass')
            plotDict = {'xMin': 1, 'xMax': 1.5, 'color': tcolor}
            summaryStats = allStats
            displayDict = {'group': airmassgroup, 'subgroup': 'Best Airmass',
                           'order': filtorder[f] * 100 + order, 'caption':
                           'Minimum airmass in %s.' % (propCaption)}
            histMerge = {'color': tcolor, 'label': '%s %s' % (f, tlabel),
                         'binsize': 0.03, 'legendloc': 'upper right'}
            bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                                displayDict=displayDict, runName=runName, metadata=metadata,
                                                summaryMetrics=summaryStats)
            mergedHistDict['minAirmass'].addBundle(bundle, plotDict=histMerge)
            bundleList.append(bundle)

            metric = metrics.FracAboveMetric(col='airmass', cutoff=airmass_limit)
            plotDict = {'xMin': 0, 'xMax': 1, 'color': tcolor}
            summaryStats = allStats
            displayDict = {'group': airmassgroup, 'subgroup': 'Low airmass fraction',
                           'order': filtorder[f] * 100 + order, 'caption':
                           'Fraction of total images with airmass higher than %.2f, in %s'
                           % (airmass_limit, propCaption)}
            histMerge = {'color': tcolor, 'label': '%s %s' % (
                f, tlabel), 'binsize': 0.05, 'legendloc': 'upper right'}

            bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                                displayDict=displayDict, runName=runName, metadata=metadata,
                                                summaryMetrics=summaryStats)
            mergedHistDict['fracAboveAirmass'].addBundle(bundle, plotDict=histMerge)
            bundleList.append(bundle)

# SNe metrics from UK workshop.


    peaks = {'uPeak': 25.9, 'gPeak': 23.6, 'rPeak': 22.6, 'iPeak': 22.7, 'zPeak': 22.7, 'yPeak': 22.8}
    peakTime = 15.
    transDuration = peakTime + 30.  # Days
    metric = metrics.TransientMetric(riseSlope=-2. / peakTime, declineSlope=1.4 / 30.0,
                                     transDuration=transDuration, peakTime=peakTime,
                                     surveyDuration=runLength,
                                     metricName='SNDetection', **peaks)
    caption = 'Fraction of z=0.5 type Ia SN that are detected at any point in their light curve in any filter'
    displayDict = {'group': sngroup, 'subgroup': 'Detected', 'caption': caption}
    sqlconstraint = ''
    plotDict = {}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, runName=runName)
    bundleList.append(bundle)

    metric = metrics.TransientMetric(riseSlope=-2. / peakTime, declineSlope=1.4 / 30.0,
                                     transDuration=transDuration, peakTime=peakTime,
                                     surveyDuration=runLength,
                                     nPrePeak=1, metricName='SNAlert', **peaks)
    caption = 'Fraction of z=0.5 type Ia SN that are detected pre-peak in any filter'
    displayDict = {'group': sngroup, 'subgroup': 'Detected on the rise', 'caption': caption}
    plotDict = {}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, runName=runName)
    bundleList.append(bundle)

    metric = metrics.TransientMetric(riseSlope=-2. / peakTime, declineSlope=1.4 / 30.,
                                     transDuration=transDuration, peakTime=peakTime,
                                     surveyDuration=runLength, metricName='SNLots',
                                     nFilters=3, nPrePeak=3, nPerLC=2, **peaks)
    caption = 'Fraction of z=0.5 type Ia SN that are observed 6 times, 3 pre-peak, '
    caption += '3 post-peak, with observations in 3 filters'
    displayDict = {'group': sngroup, 'subgroup': 'Well observed', 'caption': caption}
    sqlconstraint = 'filter="r" or filter="g" or filter="i" or filter="z" '
    plotDict = {}
    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, runName=runName)
    bundleList.append(bundle)

    propIDOrderDict = {}
    orderVal = 100
    for propID in propids:
        propIDOrderDict[propID] = orderVal
        orderVal += 100

    # Full range of dates:
    metric = metrics.FullRangeMetric(col='observationStartMJD')
    plotFuncs = [plots.HealpixSkyMap(), plots.HealpixHistogram()]
    caption = 'Time span of survey.'
    sqlconstraint = ''
    plotDict = {}
    displayDict = {'group': rangeGroup, 'caption': caption}

    bundle = metricBundles.MetricBundle(metric, slicer, sqlconstraint, plotDict=plotDict,
                                        displayDict=displayDict, runName=runName)
    bundleList.append(bundle)
    for f in filters:
        for propid in propids:
            displayDict = {'group': rangeGroup, 'subgroup': propids[propid], 'caption': caption,
                           'order': filtorder[f]}
            md = '%s, %s' % (f, propids[propid])
            sql = 'filter="%s" and proposalId=%i' % (f, propid)
            bundle = metricBundles.MetricBundle(metric, slicer, sql, plotDict=plotDict,
                                                metadata=md, plotFuncs=plotFuncs,
                                                displayDict=displayDict, runName=runName)
            bundleList.append(bundle)

    # Alt az plots
    slicer = slicers.HealpixSlicer(nside=64, latCol='zenithDistance', lonCol='azimuth', useCache=False)
    metric = metrics.CountMetric('observationStartMJD', metricName='Nvisits as function of Alt/Az')
    plotDict = {}
    plotFuncs = [plots.LambertSkyMap()]
    displayDict = {'group': altAzGroup, 'caption': 'Alt Az pointing distribution'}
    for f in filters:
        for propid in propids:
            displayDict = {'group': altAzGroup, 'subgroup': propids[propid],
                           'caption': 'Alt Az pointing distribution',
                           'order': filtorder[f]}
            md = '%s, %s' % (f, propids[propid])
            sql = 'filter="%s" and proposalId=%i' % (f, propid)
            bundle = metricBundles.MetricBundle(metric, slicer, sql, plotDict=plotDict,
                                                plotFuncs=plotFuncs, metadata=md,
                                                displayDict=displayDict, runName=runName)
            bundleList.append(bundle)

    sql = ''
    md = 'all observations'
    displayDict = {'group': altAzGroup, 'subgroup': 'All Observations',
                   'caption': 'Alt Az pointing distribution'}
    bundle = metricBundles.MetricBundle(metric, slicer, sql, plotDict=plotDict,
                                        plotFuncs=plotFuncs, metadata=md,
                                        displayDict=displayDict, runName=runName)
    bundleList.append(bundle)

    # Median inter-night gap (each and all filters)
    slicer = slicers.HealpixSlicer(nside=nside, lonCol=lonCol, latCol=latCol)
    metric = metrics.InterNightGapsMetric(metricName='Median Inter-Night Gap')
    sqls = ['filter = "%s"' % f for f in filters]
    orders = [filtorder[f] for f in filters]
    orders.append(0)
    sqls.append('')
    for sql, order in zip(sqls, orders):
        displayDict = {'group': intergroup, 'subgroup': 'Median Gap', 'caption': 'Median gap between days',
                       'order': order}
        bundle = metricBundles.MetricBundle(metric, slicer, sql, displayDict=displayDict, runName=runName)
        bundleList.append(bundle)

    # Max inter-night gap in r and all bands
    dslicer = slicers.HealpixSlicer(nside=nside, lonCol='ditheredRA', latCol='ditheredDec')
    metric = metrics.InterNightGapsMetric(metricName='Max Inter-Night Gap', reduceFunc=np.max)

    plotDict = {'percentileClip': 95.}
    for sql, order in zip(sqls, orders):
        displayDict = {'group': intergroup, 'subgroup': 'Max Gap', 'caption': 'Max gap between nights',
                       'order': order}
        bundle = metricBundles.MetricBundle(metric, dslicer, sql, displayDict=displayDict,
                                            plotDict=plotDict, runName=runName)
        bundleList.append(bundle)

    # largest phase gap for periods
    periods = [0.1, 1.0, 10., 100.]
    sqls = {'u': 'filter = "u"', 'r': 'filter="r"',
            'g,r,i,z': 'filter="g" or filter="r" or filter="i" or filter="z"',
            'all': ''}

    for sql in sqls:
        for period in periods:
            displayDict = {'group': phaseGroup,
                           'subgroup': 'period=%.2f days, filter=%s' % (period, sql),
                           'caption': 'Maximum phase gaps'}
            metric = metrics.PhaseGapMetric(nPeriods=1, periodMin=period, periodMax=period,
                                            metricName='PhaseGap, %.1f' % period)
            bundle = metricBundles.MetricBundle(metric, slicer, sqls[sql],
                                                displayDict=displayDict, runName=runName)
            bundleList.append(bundle)

    # NEO XY plots
    slicer = slicers.UniSlicer()
    metric = metrics.PassMetric(metricName='NEODistances')
    stacker = stackers.NEODistStacker()
    stacker2 = stackers.EclipticStacker()
    for f in filters:
        plotFunc = plots.NeoDistancePlotter(eclipMax=10., eclipMin=-10.)
        caption = 'Observations within 10 degrees of the ecliptic. Distance an H=22 NEO would be detected'
        displayDict = {'group': NEOGroup, 'subgroup': 'xy', 'order': filtorder[f],
                       'caption': caption}
        plotDict = {}
        sqlconstraint = 'filter = "%s"' % (f)
        bundle = metricBundles.MetricBundle(metric, slicer,
                                            sqlconstraint, displayDict=displayDict,
                                            stackerList=[stacker, stacker2],
                                            plotDict=plotDict,
                                            plotFuncs=[plotFunc])
        noSaveBundleList.append(bundle)

    # Solar elongation
    sqls = ['filter = "%s"' % f for f in filters]
    orders = [filtorder[f] for f in filters]
    sqls.append('')
    orders.append(0)
    for sql, order in zip(sqls, orders):
        plotFuncs = [plots.HealpixSkyMap(), plots.HealpixHistogram()]
        displayDict = {'group': NEOGroup, 'subgroup': 'Solar Elongation',
                       'caption': 'Median solar elongation in degrees', 'order': order}
        metric = metrics.MedianMetric('solarElong')
        slicer = slicers.HealpixSlicer(nside=nside, lonCol=lonCol, latCol=latCol)
        bundle = metricBundles.MetricBundle(metric, slicer, sql, displayDict=displayDict,
                                            plotFuncs=plotFuncs)
        bundleList.append(bundle)

        plotFuncs = [plots.HealpixSkyMap(), plots.HealpixHistogram()]
        displayDict = {'group': NEOGroup, 'subgroup': 'Solar Elongation',
                       'caption': 'Minimum solar elongation in degrees', 'order': order}
        metric = metrics.MinMetric('solarElong')
        slicer = slicers.HealpixSlicer(nside=nside, lonCol=lonCol, latCol=latCol)
        bundle = metricBundles.MetricBundle(metric, slicer, sql, displayDict=displayDict,
                                            plotFuncs=plotFuncs)
        bundleList.append(bundle)

    return (metricBundles.makeBundlesDictFromList(bundleList), mergedHistDict,
            metricBundles.makeBundlesDictFromList(noSaveBundleList))
コード例 #4
0
def rapidRevisitBatch(colmap=None,
                      runName='opsim',
                      extraSql=None,
                      extraMetadata=None,
                      nside=64,
                      ditherStacker=None,
                      ditherkwargs=None):
    """Metrics for evaluating proper motion and parallax.

    Parameters
    ----------
    colmap : dict or None, opt
        A dictionary with a mapping of column names. Default will use OpsimV4 column names.
    runName : str, opt
        The name of the simulated survey. Default is "opsim".
    nside : int, opt
        Nside for the healpix slicer. Default 64.
    extraSql : str or None, opt
        Additional sql constraint to apply to all metrics.
    extraMetadata : str or None, opt
        Additional metadata to apply to all results.
    ditherStacker: str or lsst.sims.maf.stackers.BaseDitherStacker
        Optional dither stacker to use to define ra/dec columns.
    ditherkwargs: dict, opt
        Optional dictionary of kwargs for the dither stacker.

    Returns
    -------
    metricBundleDict
    """
    if colmap is None:
        colmap = ColMapDict('opsimV4')
    bundleList = []

    sql = ''
    metadata = 'All visits'
    # Add additional sql constraint (such as wfdWhere) and metadata, if provided.
    if (extraSql is not None) and (len(extraSql) > 0):
        sql = extraSql
        if extraMetadata is None:
            metadata = extraSql.replace('filter =', '').replace('filter=', '')
            metadata = metadata.replace('"', '').replace("'", '')
    if extraMetadata is not None:
        metadata = extraMetadata

    subgroup = metadata

    raCol, decCol, degrees, ditherStacker, ditherMeta = radecCols(
        ditherStacker, colmap, ditherkwargs)
    # Don't want dither info in subgroup (too long), but do want it in bundle name.
    metadata = combineMetadata(metadata, ditherMeta)

    # Set up parallax metrics.
    slicer = slicers.HealpixSlicer(nside=nside,
                                   lonCol=raCol,
                                   latCol=decCol,
                                   latLonDeg=degrees)
    subsetPlots = [plots.HealpixSkyMap(), plots.HealpixHistogram()]

    displayDict = {
        'group': 'Rapid Revisits',
        'subgroup': subgroup,
        'order': 0,
        'caption': None
    }

    # Calculate the uniformity (KS test) of the quick revisits.
    dTmin = 40.0  # seconds
    dTmax = 30.0  # minutes
    minNvisit = 100
    pixArea = float(hp.nside2pixarea(nside, degrees=True))
    scale = pixArea * hp.nside2npix(nside)
    m1 = metrics.RapidRevisitUniformityMetric(
        metricName='RapidRevisitUniformity',
        mjdCol=colmap['mjd'],
        dTmin=dTmin / 60.0 / 60.0 / 24.0,
        dTmax=dTmax / 60.0 / 24.0,
        minNvisits=minNvisit)
    plotDict = {'xMin': 0, 'xMax': 1}
    cutoff1 = 0.20
    summaryStats = [
        metrics.FracBelowMetric(cutoff=cutoff1,
                                scale=scale,
                                metricName='Area (sq deg)')
    ]
    summaryStats.extend(standardSummary())
    caption = 'Deviation from uniformity for short revisit timescales, between %s seconds and %s minutes, ' \
              % (dTmin, dTmax)
    caption += 'for pointings with at least %d visits in this time range. ' % (
        minNvisit)
    caption += 'Summary statistic "Area" indicates the area on the sky which has a '
    caption += 'deviation from uniformity of < %.2f.' % (cutoff1)
    displayDict['caption'] = caption
    bundle = mb.MetricBundle(m1,
                             slicer,
                             sql,
                             plotDict=plotDict,
                             plotFuncs=subsetPlots,
                             stackerList=[ditherStacker],
                             metadata=metadata,
                             displayDict=displayDict,
                             summaryMetrics=summaryStats)
    bundleList.append(bundle)
    displayDict['order'] += 1

    # Calculate the actual number of quick revisits.
    dTmax = dTmax  # time in minutes
    m2 = metrics.NRevisitsMetric(dT=dTmax,
                                 mjdCol=colmap['mjd'],
                                 normed=False,
                                 metricName='RapidRevisitN')
    plotDict = {'xMin': 600, 'xMax': 1500, 'logScale': False}
    cutoff2 = 800
    summaryStats = [
        metrics.FracAboveMetric(cutoff=cutoff2,
                                scale=scale,
                                metricName='Area (sq deg)')
    ]
    summaryStats.extend(standardSummary())
    caption = 'Number of consecutive visits with return times faster than %.1f minutes, ' % (
        dTmax)
    caption += 'in any filter, all proposals. '
    caption += 'Summary statistic "Area" indicates the area on the sky which has more than '
    caption += '%d revisits within this time window.' % (cutoff2)
    displayDict['caption'] = caption
    bundle = mb.MetricBundle(m2,
                             slicer,
                             sql,
                             plotDict=plotDict,
                             plotFuncs=subsetPlots,
                             stackerList=[ditherStacker],
                             metadata=metadata,
                             displayDict=displayDict,
                             summaryMetrics=summaryStats)
    bundleList.append(bundle)
    displayDict['order'] += 1

    # Calculate whether a healpix gets enough rapid revisits in the right windows.
    dTmin = 40.0 / 60.0  # (minutes) 40s minumum for rapid revisit range
    dTpairs = 20.0  # minutes (time when pairs should start kicking in)
    dTmax = 30.0  # 30 minute maximum for rapid revisit range
    nOne = 82  # Number of revisits between 40s-30m required
    nTwo = 28  # Number of revisits between 40s - tPairs required.
    pixArea = float(hp.nside2pixarea(nside, degrees=True))
    scale = pixArea * hp.nside2npix(nside)
    m1 = metrics.RapidRevisitMetric(metricName='RapidRevisits',
                                    mjdCol=colmap['mjd'],
                                    dTmin=dTmin / 60.0 / 60.0 / 24.0,
                                    dTpairs=dTpairs / 60.0 / 24.0,
                                    dTmax=dTmax / 60.0 / 24.0,
                                    minN1=nOne,
                                    minN2=nTwo)
    plotDict = {
        'xMin': 0,
        'xMax': 1,
        'colorMin': 0,
        'colorMax': 1,
        'logScale': False
    }
    cutoff1 = 0.9
    summaryStats = [
        metrics.FracAboveMetric(cutoff=cutoff1,
                                scale=scale,
                                metricName='Area (sq deg)')
    ]
    summaryStats.extend(standardSummary())
    caption = 'Area that receives at least %d visits between %.3f and %.1f minutes, ' \
              % (nOne, dTmin, dTmax)
    caption += 'with at least %d of those visits falling between %.3f and %.1f minutes. ' \
               % (nTwo, dTmin, dTpairs)
    caption += 'Summary statistic "Area" indicates the area on the sky which meets this requirement.'
    displayDict['caption'] = caption
    bundle = mb.MetricBundle(m1,
                             slicer,
                             sql,
                             plotDict=plotDict,
                             plotFuncs=subsetPlots,
                             stackerList=[ditherStacker],
                             metadata=metadata,
                             displayDict=displayDict,
                             summaryMetrics=summaryStats)
    bundleList.append(bundle)
    displayDict['order'] += 1

    # Set the runName for all bundles and return the bundleDict.
    for b in bundleList:
        b.setRunName(runName)
    return mb.makeBundlesDictFromList(bundleList)
コード例 #5
0
def rapidRevisitBatch(colmap=None, runName='opsim',
                      extraSql=None, extraMetadata=None, nside=64):
    # Allow user to add dithering.
    if colmap is None:
        colmap = ColMapDict('opsimV4')
    bundleList = []

    sql = ''
    metadata = 'All visits'
    # Add additional sql constraint (such as wfdWhere) and metadata, if provided.
    if (extraSql is not None) and (len(extraSql) > 0):
        sql = extraSql
        if extraMetadata is None:
            metadata = extraSql.replace('filter =', '').replace('filter=', '')
            metadata = metadata.replace('"', '').replace("'", '')
    if extraMetadata is not None:
        metadata = extraMetadata

    subgroup = metadata

    raCol = colmap['ra']
    decCol = colmap['dec']
    degrees = colmap['raDecDeg']

    # Set up parallax metrics.
    slicer = slicers.HealpixSlicer(nside=nside, lonCol=raCol, latCol=decCol, latLonDeg=degrees)
    subsetPlots = [plots.HealpixSkyMap(), plots.HealpixHistogram()]

    displayDict = {'group': 'Rapid Revisits', 'subgroup': subgroup,
                   'order': 0, 'caption': None}

    # Calculate the uniformity (KS test) of the quick revisits.
    dTmin = 40.0  # seconds
    dTmax = 30.0  # minutes
    minNvisit = 100
    pixArea = float(hp.nside2pixarea(nside, degrees=True))
    scale = pixArea * hp.nside2npix(nside)
    m1 = metrics.RapidRevisitMetric(metricName='RapidRevisitUniformity', mjdCol=colmap['mjd'],
                                    dTmin=dTmin / 60.0 / 60.0 / 24.0, dTmax=dTmax / 60.0 / 24.0,
                                    minNvisits=minNvisit)

    plotDict = {'xMin': 0, 'xMax': 1}
    cutoff1 = 0.30
    summaryStats = [metrics.FracBelowMetric(cutoff=cutoff1, scale=scale, metricName='Area (sq deg)')]
    summaryStats.extend(standardSummary())
    caption = 'Deviation from uniformity for short revisit timescales, between %s and %s seconds, ' % (
        dTmin, dTmax)
    caption += 'for pointings with at least %d visits in this time range. ' % (minNvisit)
    caption += 'Summary statistic "Area" indicates the area on the sky which has a '
    caption += 'deviation from uniformity of < %.2f.' % (cutoff1)
    displayDict['caption'] = caption
    bundle = mb.MetricBundle(m1, slicer, sql, plotDict=plotDict, plotFuncs=subsetPlots,
                             metadata=metadata, displayDict=displayDict, summaryMetrics=summaryStats)
    bundleList.append(bundle)
    displayDict['order'] += 1

    # Calculate the actual number of quick revisits.
    dTmax = dTmax   # time in minutes
    m2 = metrics.NRevisitsMetric(dT=dTmax, mjdCol=colmap['mjd'], normed=False)
    plotDict = {'xMin': 0.1, 'xMax': 2000, 'logScale': True}
    cutoff2 = 800
    summaryStats = [metrics.FracAboveMetric(cutoff=cutoff2, scale=scale, metricName='Area (sq deg)')]
    summaryStats.extend(standardSummary())
    caption = 'Number of consecutive visits with return times faster than %.1f minutes, ' % (dTmax)
    caption += 'in any filter, all proposals. '
    caption += 'Summary statistic "Area" indicates the area on the sky which has more than '
    caption += '%d revisits within this time window.' % (cutoff2)
    displayDict['caption'] = caption
    bundle = mb.MetricBundle(m2, slicer, sql, plotDict=plotDict, plotFuncs=subsetPlots,
                             metadata=metadata, displayDict=displayDict, summaryMetrics=summaryStats)
    bundleList.append(bundle)
    displayDict['order'] += 1

    # Set the runName for all bundles and return the bundleDict.
    for b in bundleList:
        b.setRunName(runName)
    return mb.makeBundlesDictFromList(bundleList)