Example #1
0
def parallel_rm(xxx_todo_changeme ):
    (plate,mjd,fiberid) = xxx_todo_changeme
    specs = spec.Spec(plate=plate, mjd=mjd, fiberid=fiberid)
    zssp = zfinder.ZFinder(fname='ndArch-ssp_em_galaxy-v000.fits', npoly=4, zmin=-0.01, zmax=1.2)
    zssp.zchi2(specs.flux, specs.loglambda, specs.ivar)
    # Write chi2 file with zbase
    prihdu = fits.PrimaryHDU(zssp.zchi2arr)
    col1 = fits.Column(name='ZBASE', format='E', array=zssp.zbase)
    cols = fits.ColDefs([col1])
    tbhdu = fits.BinTableHDU.from_columns(cols)
    thdulist = fits.HDUList([prihdu,tbhdu])
    thdulist.writeto('/uufs/astro.utah.edu/common/home/u0814744/scratch/screens/chi2arr-%s-%s.fits' % (plate, zssp.type), clobber=True)
    # ----
    zstar = zfinder.ZFinder(fname='ndArch-spEigenStar-55734.fits', npoly=4, zmin=-.005, zmax=.005)
    zstar.zchi2(specs.flux, specs.loglambda, specs.ivar)
    # Write chi2 file with zbase
    prihdu = fits.PrimaryHDU(zstar.zchi2arr)
    col1 = fits.Column(name='ZBASE', format='E', array=zstar.zbase)
    cols = fits.ColDefs([col1])
    tbhdu = fits.BinTableHDU.from_columns(cols)
    thdulist = fits.HDUList([prihdu,tbhdu])
    thdulist.writeto('/uufs/astro.utah.edu/common/home/u0814744/scratch/screens/chi2arr-%s-%s.fits' % (plate, zstar.type), clobber=True)
    # ----
    zfit_ssp = zfitter.ZFitter(zssp.zchi2arr, zssp.zbase)
    zfit_ssp.z_refine()
    zfit_star = zfitter.ZFitter(zstar.zchi2arr, zstar.zbase)
    zfit_star.z_refine()
    ssp_flags = misc.comb_flags(specs, zssp, zfit_ssp)
    star_flags = misc.comb_flags(specs, zstar, zfit_star)
    zpick = zpicker.ZPicker(specs, zssp, zfit_ssp, ssp_flags, zstar, zfit_star, star_flags)
    # Write flags file
    prihdu = fits.PrimaryHDU(zpick.zwarning)
    thdulist = fits.HDUList([prihdu])
    thdulist.writeto('/uufs/astro.utah.edu/common/home/u0814744/scratch/screens/flags-%s.fits' % plate, clobber=True)
    output = io.WriteRedmonster(zpick, dest='/uufs/astro.utah.edu/common/home/u0814744/scratch/screens', clobber=True)
Example #2
0
def run_redmonster(this_thresh):
    #global completeness
    #global purity
    global nfib
    completeness = []
    purity = []
    specs = spec.Spec(plate=plate, mjd=mjd, fiberid=fiberid)
    zssp = zfinder.ZFinder(fname='ndArch-ssp_em_galaxy-v000.fits', npoly=4, zmin=-0.01, zmax=1.2)
    zssp.zchi2(specs.flux, specs.loglambda, specs.ivar)
    zstar = zfinder.ZFinder(fname='ndArch-spEigenStar-55734.fits', npoly=4, zmin=-.005, zmax=.005)
    zstar.zchi2(specs.flux, specs.loglambda, specs.ivar)
    zfit_ssp = zfitter.ZFitter(zssp.zchi2arr, zssp.zbase)
    zfit_ssp.z_refine(threshold=this_thresh)
    zfit_star = zfitter.ZFitter(zstar.zchi2arr, zstar.zbase)
    zfit_star.z_refine(threshold=this_thresh)
    zpick = zpicker.ZPicker(specs, zssp, zfit_ssp, zstar, zfit_star)
    ssp_flags = n.zeros(len(fiberid))
    star_flags = n.zeros(len(fiberid))
    for ifiber in range(len(fiberid)):
        ssp_flags[ifiber] = (int(specs.zwarning[ifiber]) | int(zssp.zwarning[ifiber])) | int(zfit_ssp.zwarning[ifiber])
        star_flags[ifiber] = (int(specs.zwarning[ifiber]) | int(zstar.zwarning[ifiber])) | int(zfit_star.zwarning[ifiber])
    #purity.append( (len(n.where(ssp_flags == 0)))/float(nfib) )
    #completeness.append( (len(n.where(abs(zpick.z[:,0]-zperson) <= .0001)))/float(nfib) )
    purity = (len(n.where(ssp_flags == 0)))/float(nfib)
    completeness = (len(n.where(abs(zpick.z[:,0]-zperson) <= .0001)))/float(nfib)
    return completeness, purity
Example #3
0
def parallel_rm(xxx_todo_changeme ):
    (plate,mjd,fiberid) = xxx_todo_changeme
    specs = spec.Spec(plate=plate, mjd=mjd, fiberid=fiberid)
    zssp = zfinder.ZFinder(fname='ndArch-ssp_em_galaxy-v000.fits', npoly=4, zmin=-0.01, zmax=1.2)
    zssp.zchi2(specs.flux, specs.loglambda, specs.ivar)
    # Write chi2 file with zbase
    prihdu = fits.PrimaryHDU(zssp.zchi2arr)
    col1 = fits.Column(name='ZBASE', format='E', array=zssp.zbase)
    cols = fits.ColDefs([col1])
    tbhdu = fits.BinTableHDU.from_columns(cols)
    thdulist = fits.HDUList([prihdu,tbhdu])
    thdulist.writeto('chi2arr-%s-%s.fits' % (plate, zssp.type), overwrite=True)
Example #4
0
    def reduce_plate_mjd(self, plate, mjd, fiberid=None, chi2file=False):
        self.chi2file = chi2file
        # Check types and try to convert to proper types if necessary
        if fiberid is None: fiberid = [i for i in range(1000)]
        else:
            if type(fiberid) is not list:
                try:
                    fiberid = [fiberid]
                    fiberid = list(map(int, fiberid))
                except:
                    try:
                        fiberid = fiberid.tolist()
                        fiberid = list(map(int, fiberid))
                    except:
                        print('fiberid not set properly - running full plate!')
                        fiberid = [i for i in range(1000)]
            else:
                fiberid = list(map(int, fiberid))

        # Spec
        specs = spec.Spec(plate=plate, mjd=mjd, fiberid=fiberid)

        # ZFinder, ZFitter
        zfindobjs = []
        zfitobjs = []
        if (self.zmin is not None) & (self.zmax is not None):
            for i in range(len(self.templates)):
                zfindobjs.append(
                    zfinder.ZFinder(fname=self.templates[i],
                                    npoly=self.npoly[i],
                                    zmin=self.zmin[i],
                                    zmax=self.zmax[i]))
                zfindobjs[i].zchi2(specs.flux,
                                   specs.loglambda,
                                   specs.ivar,
                                   npixstep=self.npixstep[i],
                                   plate=plate,
                                   mjd=mjd,
                                   fiberid=fiberid[0],
                                   chi2file=self.chi2file)
                zfitobjs.append(
                    zfitter.ZFitter(zfindobjs[i].zchi2arr, zfindobjs[i].zbase))
                zfitobjs[i].z_refine()
        else:
            for i in range(len(self.templates)):
                zfindobjs.append(
                    zfinder.ZFinder(fname=self.templates[i],
                                    npoly=self.npoly[i],
                                    npixstep=self.npixstep[i]))
                zfindobjs[i].zchi2(specs.flux,
                                   specs.loglambda,
                                   specs.ivar,
                                   npixstep=self.npixstep[i],
                                   plate=plate,
                                   mjd=mjd,
                                   fiberid=fiberid[0],
                                   chi2file=self.chi2file)
                zfitobjs.append(
                    zfitter.ZFitter(zfindobjs[i].zchi2arr, zfindobjs[i].zbase))
                zfitobjs[i].z_refine()

        # Flags
        flags = []
        for i in range(len(zfindobjs)):
            flags.append(misc.comb_flags(specs, zfindobjs[i], zfitobjs[i]))

        # ZPicker
        if len(self.templates) == 1:
            zpick = zpicker.ZPicker(specs, zfindobjs[0], zfitobjs[0], flags[0])
        elif len(self.templates) == 2:
            zpick = zpicker.ZPicker(specs, zfindobjs[0], zfitobjs[0], flags[0],
                                    zfindobjs[1], zfitobjs[1], flags[1])
        elif len(self.templates) == 3:
            zpick = zpicker.ZPicker(specs, zfindobjs[0], zfitobjs[0], flags[0],
                                    zfindobjs[1], zfitobjs[1], flags[1],
                                    zfindobjs[2], zfitobjs[2], flags[2])
        elif len(self.templates) == 4:
            zpick = zpicker.ZPicker(specs, zfindobjs[0], zfitobjs[0], flags[0],
                                    zfindobjs[1], zfitobjs[1], flags[1],
                                    zfindobjs[2], zfitobjs[2], flags[2],
                                    zfindobjs[3], zfitobjs[3], flags[3])
        elif len(self.templates) == 5:
            zpick = zpicker.ZPicker(specs, zfindobjs[0], zfitobjs[0], flags[0],
                                    zfindobjs[1], zfitobjs[1], flags[1],
                                    zfindobjs[2], zfitobjs[2], flags[2],
                                    zfindobjs[3], zfitobjs[3], flags[3],
                                    zfindobjs[4], zfitobjs[4], flags[4])

        output = None

        # Write output
        if self.dest is None:
            output = io.WriteRedmonster(zpick, overwrite=self.overwrite)
        else:
            if type(self.dest) is str:
                output = io.WriteRedmonster(zpick,
                                            dest=self.dest,
                                            overwrite=self.overwrite)
            else:
                try:
                    self.dest = str(self.dest)
                    output = io.WriteRedmonster(zpick,
                                                dest=self.dest,
                                                overwrite=self.overwrite)
                except:
                    print(
                        'Could not convert dest to string - writing to default directory and NOT clobbering old files!'
                    )
                    output = io.WriteRedmonster(zpick, overwrite=True)

        if output:
            if len(zpick.fiberid) == 1: output.write_fiberid()
            else: output.write_plate()
Example #5
0
#specs.flux = specs.flux[skyfibers]
#specs.ivar = specs.ivar[skyfibers]
#specs.dof = specs.dof[skyfibers]

''' Instantiate zfinder object that will do z-finding for the entire
    plate using a single template.  Here, fname is the template filename,
    assumed to be in $REDMONSTER_DIR/templates/ . npoly specifies number
    of polynomial terms to be used in finding, zmin and zmax are upper
    and lower bounds of the redshift range to be explored. Optionally,
    npixstep can specify the width of pixel steps in doing the
    cross-correlation.  If left blank, it defaults to 1.
    '''

#zssp1 = zfinder.ZFinder(fname='ndArch-ssp_galaxy_cont-v002.fits',
                         #npoly=4, zmin=-0.01, zmax=1.2)
zssp1 = zfinder.ZFinder(fname='ndArch-ssp_galaxy_noemit-v000.fits',
                        npoly=4, zmin=-0.01, zmax=1.2)

''' Run actual fitting routine on the object created above. zssp.zchi2arr
    is array of of minimum chi^2 values of shape [nfibers, ndim_1,
    ndim_2, ..., ndim_N, nredshifts], where ndim_i is the i'th dimension
    of the template file.  Input flux need not be SDSS data - any
    spectra binned in constant log(lambda) will work.
    '''

zssp1.zchi2(specs.flux, specs.loglambda, specs.ivar, npixstep=2)

''' New objects and fitting for different templates.'''

#zssp2 = zfinder.ZFinder(fname='ndArch-ssp_galaxy_emit-v002.fits',
                         #npoly=4, zmin=-0.01, zmax=1.2)
#zssp2.zchi2(specs.flux, specs.loglambda, specs.ivar, npixstep=2)
Example #6
0
plate = 3686
mjd = 55268

completeness = []
purity = []

#-------------------------------------------------------------------------------------------------------


# Loop over various dchi2 thresholds
for inc in range(2):
    this_thresh = 41 + inc
    threshold_vals.append(this_thresh)
    specs = spec.Spec(plate=plate, mjd=mjd, fiberid=fiberid)
    zssp = zfinder.ZFinder(fname='ndArch-ssp_em_galaxy-v000.fits', type='GALAXY', npoly=4, zmin=-0.01, zmax=1.2)
    zssp.zchi2(specs.flux, specs.loglambda, specs.ivar)
    zstar = zfinder.ZFinder(fname='ndArch-spEigenStar-55734.fits', type='STAR', npoly=4, zmin=-.005, zmax=.005)
    zstar.zchi2(specs.flux, specs.loglambda, specs.ivar)
    zfit_ssp = zfitter.ZFitter(zssp.zchi2arr, zssp.zbase)
    zfit_ssp.z_refine(threshold=this_thresh)
    zfit_star = zfitter.ZFitter(zstar.zchi2arr, zstar.zbase)
    zfit_star.z_refine(threshold=this_thresh)
    zpick = zpicker.ZPicker(specs, zssp, zfit_ssp, zstar, zfit_star)
    ssp_flags = n.zeros(len(fiberid))
    star_flags = n.zeros(len(fiberid))
    for ifiber in range(len(fiberid)):
        ssp_flags[ifiber] = (int(specs.zwarning[ifiber]) | int(zssp.zwarning[ifiber])) | int(zfit_ssp.zwarning[ifiber])
        star_flags[ifiber] = (int(specs.zwarning[ifiber]) | int(zstar.zwarning[ifiber])) | int(zfit_star.zwarning[ifiber])
    
    purity.append( (len(n.where(ssp_flags == 0)))/float(nfib) )
Example #7
0
    def reduce_gen(self, filepath=None, data_range=None, chi2file=False):
        self.chi2file = False
        if filepath is None: print("Invalid file path.")
        else:
            specs = io2.SpecGen(filepath=filepath)
            zfindobjs = []
            zfitobjs = []
            if (self.zmin is not None) & (self.zmax is not None):
                for i in range(len(self.templates)):
                    zfindobjs.append(
                        zfinder.ZFinder(fname=self.templates[i],
                                        group=self.group[i],
                                        npoly=self.npoly[i],
                                        zmin=self.zmin[i],
                                        zmax=self.zmax[i],
                                        nproc=self.nproc))
                    zfindobjs[i].zchi2(specs.flux,
                                       specs.loglambda,
                                       specs.ivar,
                                       npixstep=self.npixstep[i],
                                       chi2file=self.chi2file)
                    zfitobjs.append(
                        zfitter.ZFitter(zfindobjs[i].zchi2arr,
                                        zfindobjs[i].zbase))
                    zfitobjs[i].z_refine2()
            else:
                for i in range(len(self.templates)):
                    zfindobjs.append(
                        zfinder.ZFinder(fname=self.templates[i],
                                        group=self.group[i],
                                        npoly=self.npoly[i],
                                        npixstep=self.npixstep[i],
                                        nproc=self.nproc))
                    zfindobjs[i].zchi2(specs.flux,
                                       specs.loglambda,
                                       specs.ivar,
                                       npixstep=self.npixstep[i],
                                       chi2file=self.chi2file)
                    zfitobjs.append(
                        zfitter.ZFitter(zfindobjs[i].zchi2arr,
                                        zfindobjs[i].zbase))
                    zfitobjs[i].z_refine2()

            # Flags
            flags = []
            for i in range(len(zfindobjs)):
                flags.append(misc.comb_flags(specs, zfindobjs[i], zfitobjs[i]))

            # ZPicker
            zpick = zpicker2.ZPicker(specs, zfindobjs, zfitobjs, flags)

            output = None

            # Write output
            if self.dest is None:
                output = io2.WriteRedmonster(zpick,
                                             dest=filepath,
                                             overwrite=True)

            if output:
                output.write_gen()
Example #8
0
    def reduce_plate_mjd(self,
                         plate=None,
                         mjd=None,
                         fiberid=None,
                         data_range=None,
                         chi2file=False,
                         platepath=None):
        print "\nPlate %s MJD %s Fiber %s" % (plate, mjd, fiberid)
        self.chi2file = chi2file
        # Check types and try to convert to proper types if necessary
        if fiberid is not None:
            if type(fiberid) is not list:
                try:
                    fiberid = [fiberid]
                    fiberid = list(map(int, fiberid))
                except ValueError:
                    try:
                        fiberid = fiberid.tolist()
                        fiberid = list(map(int, fiberid))
                    except ValueError:
                        print('fiberid not set properly - running full plate!')
            else:
                fiberid = list(map(int, fiberid))

        # Spec
        specs = spec.Spec(plate=plate,
                          mjd=mjd,
                          fiberid=fiberid,
                          platepath=platepath)
        fiberid = specs.fiberid

        # ZFinder, ZFitter
        zfindobjs = []
        zfitobjs = []
        if (self.zmin is not None) & (self.zmax is not None):
            for i in range(len(self.templates)):
                zfindobjs.append(
                    zfinder.ZFinder(fname=self.templates[i],
                                    group=self.group[i],
                                    npoly=self.npoly[i],
                                    zmin=self.zmin[i],
                                    zmax=self.zmax[i],
                                    nproc=self.nproc))
                if self.mask:
                    zfindobjs[i].zchi2(specs.flux,
                                       specs.loglambda,
                                       specs.ivar,
                                       npixstep=self.npixstep[i],
                                       plate=plate,
                                       mjd=mjd,
                                       fiberid=fiberid[0],
                                       chi2file=self.chi2file,
                                       linelist=__linelist__)
                else:
                    zfindobjs[i].zchi2(specs.flux,
                                       specs.loglambda,
                                       specs.ivar,
                                       npixstep=self.npixstep[i],
                                       plate=plate,
                                       mjd=mjd,
                                       fiberid=fiberid[0],
                                       chi2file=self.chi2file)
                zfitobjs.append(
                    zfitter.ZFitter(zfindobjs[i].zchi2arr, zfindobjs[i].zbase))
                zfitobjs[i].z_refine2()
        else:
            for i in range(len(self.templates)):
                zfindobjs.append(
                    zfinder.ZFinder(fname=self.templates[i],
                                    group=self.group[i],
                                    npoly=self.npoly[i],
                                    npixstep=self.npixstep[i],
                                    nproc=self.nproc))
                if mask:
                    zfindobjs[i].zchi2(specs.flux,
                                       specs.loglambda,
                                       specs.ivar,
                                       npixstep=self.npixstep[i],
                                       plate=plate,
                                       mjd=mjd,
                                       fiberid=fiberid[0],
                                       chi2file=self.chi2file,
                                       linelist=__linelist__)
                else:
                    zfindobjs[i].zchi2(specs.flux,
                                       specs.loglambda,
                                       specs.ivar,
                                       npixstep=self.npixstep[i],
                                       plate=plate,
                                       mjd=mjd,
                                       fiberid=fiberid[0],
                                       chi2file=self.chi2file)
                zfitobjs.append(
                    zfitter.ZFitter(zfindobjs[i].zchi2arr, zfindobjs[i].zbase))
                zfitobjs[i].z_refine2()

        # Flags
        flags = []
        for i in range(len(zfindobjs)):
            flags.append(misc.comb_flags(specs, zfindobjs[i], zfitobjs[i]))

        # ZPicker
        zpick = zpicker2.ZPicker(specs, zfindobjs, zfitobjs, flags)

        output = None

        # Write output
        if self.dest is None:
            output = io2.WriteRedmonster(zpick, overwrite=True)
        else:
            if type(self.dest) is str:
                output = io2.WriteRedmonster(zpick,
                                             dest=self.dest,
                                             overwrite=True)
            else:
                try:
                    self.dest = str(self.dest)
                    output = io2.WriteRedmonster(zpick,
                                                 dest=self.dest,
                                                 overwrite=True)
                except Exception as e:
                    print(
                        'Could not convert dest to string - writing to \
                            default directory and NOT clobbering old files! \
                            Exception: %r' % e)
                    output = io2.WriteRedmonster(zpick, overwrite=True)

        if output:
            if len(zpick.fiberid) == 1: output.write_fiber()
            else: output.write_plate()
Example #9
0
from redmonster.datamgr import spec, io
from redmonster.physics import zfinder, zfitter, zpicker
from redmonster.sandbox import yanny as y
from redmonster.physics import misc
from redmonster.physics.misc import poly_array

plate = 3686  # Set plate, mjd, and fiberid here
mjd = 55268
fiberid = [89, 100, 102]  #935, 937

specs = spec.Spec(plate=plate, mjd=mjd, fiberid=fiberid)

# Use Charlie's SSPs
ztemp = zfinder.ZFinder(fname='ndArch-ssp_em_galaxy-v000.fits',
                        npoly=4,
                        zmin=-0.01,
                        zmax=1.2)
# Use Carlos' stellar templates
#ztemp = zfinder.ZFinder(fname='ndArch-all-CAP-grids.fits', npoly=4,
#zmin=-.005, zmax=.005)
# Use spEigenstars from IDL pipeline
#ztemp = zfinder.ZFinder(fname='ndArch-spEigenStar-55734.fits', npoly=4,
#zmin=-.005, zmax=.005)
# Use Nao's quasars
#ztemp = zfinder.ZFinder(fname='ndArch-QSO-V003.fits', npoly=4, zmin=.4,
#zmax=3.5)

ztemp.zchi2(specs.flux, specs.loglambda, specs.ivar, npixstep=1)
zfit_temp = zfitter.ZFitter(ztemp.zchi2arr, ztemp.zbase)
zfit_temp.z_refine()
#temp_flags = misc.comb_flags(specs, ztemp, zfit_temp)