示例#1
0
def compareGalpropzToBolshoiTrees(analyticalData,
                                  BolshoiTrees,
                                  redshifts,
                                  h,
                                  outputdir,
                                  nvols=18,
                                  no_phantoms=True,
                                  galid=True):
    #data storage
    data = {}

    #figure definitions
    left, width = 0.1, 0.8
    rect1 = [left, 0.1, width, 0.2]
    rect2 = [left, 0.3, width, 0.65]

    #note that this is only available on tuonela.stsci.edu
    simuPath = '/Users/niemi/Desktop/Research/run/newtree1/'
    simuDB = 'sams.db'

    #star the figure
    fig = P.figure()
    ax1 = fig.add_axes(rect2)  #left, bottom, width, height
    ax2 = fig.add_axes(rect1)

    #set title
    if galid:
        ax1.set_title(
            'Dark Matter Halo Mass Functions (gal\_id = 1; 26 volumes)')
    else:
        ax1.set_title('Dark Matter Halo Mass Functions (galpropz: 26 volumes)')

    #loop over the data and redshift range
    for redsh, BolshoiTree, anaData in zip(sorted(redshifts.itervalues()),
                                           BolshoiTrees, analyticalData):
        #skip some redshifts
        if redsh < 1.0 or redsh == 2.0276 or redsh == 5.1614\
           or redsh == 6.5586 or redsh == 3.0584:
            continue
            #if redsh == 1.0064 or redsh == 3.0584 or redsh == 4.0429 or \
        #   redsh == 8.2251:
        #    continue

        #change this to logging afterwords
        logging.debug(redsh)
        logging.debug(BolshoiTree)
        logging.debug(anaData)

        rlow = redsh - 0.02
        rhigh = redsh + 0.02

        if galid:
            query = '''select mhalo from galpropz where
                       galpropz.zgal > {0:f} and galpropz.zgal < {1:f} and
                       galpropz.gal_id = 1'''.format(rlow, rhigh)
        else:
            query = '''select mhalo from galpropz where
                       galpropz.zgal > {0:f} and
                       galpropz.zgal < {1:f}'''.format(rlow, rhigh)

        logging.debug(query)

        data['SAM'] = db.sqlite.get_data_sqlite(simuPath, simuDB, query) * 1e9

        #calculate the mass functions from the SAM data, only x volumes
        mbin0SAM, mf0SAM = df.diffFunctionLogBinning(data['SAM'],
                                                     nbins=30,
                                                     h=h,
                                                     mmin=1e9,
                                                     mmax=1e15,
                                                     volume=50.0,
                                                     nvols=nvols,
                                                     physical_units=True)
        mbin0SAM = 10**mbin0SAM
        #mf0SAM = mf0SAM * 1.7

        #read the Bolshoi merger trees
        data['Bolshoi'] = io.readBolshoiDMfile(BolshoiTree, 0, no_phantoms)

        #calculate the mass functions from the full Bolshoi data
        mbin0Bolshoi, mf0Bolshoi = df.diffFunctionLogBinning(
            data['Bolshoi'] / h,
            nbins=30,
            h=h,
            mmin=1e9,
            mmax=1e15,
            volume=50.0,
            nvols=125,
            physical_units=True)
        mbin0Bolshoi = 10**mbin0Bolshoi

        #Analytical MFs
        #get Rachel's analytical curves
        #M dN/dM dNcorr/dM dN/dlog10(M) dN/dlog10(Mcorr)
        d = N.loadtxt(anaData)
        data['Press-Schecter'] = N.array([d[:, 0], d[:, 3]])
        data['Sheth-Tormen'] = N.array([d[:, 0], d[:, 4]])
        #ST
        sh = ax1.plot(data['Sheth-Tormen'][0],
                      data['Sheth-Tormen'][1],
                      'k-',
                      lw=0.9)
        #PS
        #ps = ax1.plot(data['Press-Schecter'][0],
        #              data['Press-Schecter'][1],
        #              'g--', lw = 1.1)

        #MF from Bolshoi
        bolshoiax = ax1.plot(mbin0Bolshoi, mf0Bolshoi, 'ro--', ms=4)

        #MF from the SAM run
        samax = ax1.plot(mbin0SAM, mf0SAM, 'gs--', ms=4)

        #mark redshift
        for a, b in zip(mbin0Bolshoi[::-1], mf0Bolshoi[::-1]):
            if b > 10**-5:
                break
        ax1.annotate('$z \sim {0:.2f}$'.format(redsh), (0.6 * a, 3 * 10**-6),
                     size='x-small')

        #plot the residuals
        if redsh < 1.5:
            #make the plot
            ax2.annotate('$z \sim {0:.2f}$'.format(redsh), (1.5 * 10**9, 1.05),
                         xycoords='data',
                         size=10)
            ax2.axhline(1.0, color='k')
            msk = mf0SAM / mf0Bolshoi > 0
            ax2.plot(mbin0SAM[msk], mf0SAM[msk] / mf0Bolshoi[msk], 'r-')

    ax1.set_xscale('log')
    ax2.set_xscale('log')
    ax1.set_yscale('log')

    ax1.set_ylim(1e-6, 10**-0)
    ax2.set_ylim(0.45, 1.55)
    ax1.set_xlim(2e9, 4e14)
    ax2.set_xlim(2e9, 4e14)

    ax1.set_xticklabels([])

    ax2.set_xlabel(r'$M_{\mathrm{vir}} \quad [M_{\odot}]$')
    ax1.set_ylabel(
        r'$\mathrm{d}N / \mathrm{d}\log_{10}(M_{\mathrm{vir}}) \quad [\mathrm{Mpc}^{-3} \mathrm{dex}^{-1}]$'
    )
    ax2.set_ylabel(r'$\frac{\mathrm{galpropz.dat}}{\mathrm{IsoTree}}$')

    ax1.legend((sh, bolshoiax, samax), ('Sheth-Tormen', 'Bolshoi', 'galpropz'),
               shadow=True,
               fancybox=True,
               numpoints=1)

    if galid:
        P.savefig(outputdir + 'IsotreesVSgalpropzGalID.pdf')
    else:
        P.savefig(outputdir + 'IsotreesVSgalpropz.pdf')
示例#2
0
def plot_mass_function(redshift, h, no_phantoms, *data):
    #fudge factor
    fudge = 2.0
    #http://adsabs.harvard.edu/abs/2001MNRAS.321..372J
    #Jenkins et al. paper has sqrt(2./pi) while
    #Rachel's code has 1/(sqrt(2*pi))
    #ratio of these two is the fudge factor

    #read data to dictionary
    dt = {}
    for x in data[0]:
        if 'Bolshoi' in x:
            dt[x] = io.readBolshoiDMfile(data[0][x], 0, no_phantoms)
        else:
            dt[x] = N.loadtxt(data[0][x])

    #calculate the mass functions from the Bolshoi data
    mbin0, mf0 = df.diffFunctionLogBinning(dt['Bolshoi'] / h,
                                           nbins=35,
                                           h=0.7,
                                           mmin=10**9.0,
                                           mmax=10**15.0,
                                           physical_units=True)

    del dt['Bolshoi']
    #use chain rule to get dN / dM
    #dN/dM = dN/dlog10(M) * dlog10(M)/dM
    #d/dM (log10(M)) = 1 / (M*ln(10))
    mf0 *= 1. / (mbin0 * N.log(10))
    #put mass back to power
    mbin0 = 10**mbin0
    #title
    if no_phantoms:
        ax1.set_title('Bolshoi Dark Matter Mass Functions (no phantoms)')
    else:
        ax1.set_title('Bolshoi Dark Matter Mass Functions')

    #mark redshift
    for a, b in zip(mbin0[::-1], mf0[::-1]):
        if b > 10**-6:
            break
    ax1.annotate('$z \sim %.1f$' % redshift, (0.98 * a, 3 * 10**-6),
                 size='x-small')

    #Analytical MFs
    #0th column: log10 of mass (Msolar, NOT Msolar/h)
    #1st column: mass (Msolar/h)
    #2nd column: (dn/dM)*dM, per Mpc^3 (NOT h^3/Mpc^3)
    xST = 10**dt['Sheth-Tormen'][:, 0]
    yST = dt['Sheth-Tormen'][:, 2] * fudge
    sh = ax1.plot(xST, yST, 'b-', lw=1.3)
    #PS
    xPS = 10**dt['Press-Schecter'][:, 0]
    yPS = dt['Press-Schecter'][:, 2] * fudge
    ps = ax1.plot(xPS, yPS, 'g--', lw=1.1)

    #MF from Bolshoi
    bolshoi = ax1.plot(mbin0, mf0, 'ro:', ms=5)

    #delete data to save memory, dt is not needed any longer
    del dt

    #plot the residuals
    if round(float(redshift), 1) < 1.5:
        #interploate to right x scale
        yST = N.interp(mbin0, xST, yST)
        yPS = N.interp(mbin0, xPS, yPS)
        #make the plot
        ax2.annotate('$z \sim %.1f$' % redshift, (1.5 * 10**9, 1.05),
                     xycoords='data',
                     size=10)
        ax2.axhline(1.0, color='b')
        ax2.plot(mbin0, mf0 / yST, 'b-')
        ax2.plot(mbin0, mf0 / yPS, 'g-')

    ax1.set_xscale('log')
    ax2.set_xscale('log')
    ax1.set_yscale('log')

    ax1.set_ylim(10**-7, 10**-1)
    ax2.set_ylim(0.45, 1.55)
    ax1.set_xlim(10**9, 10**15)
    ax2.set_xlim(10**9, 10**15)

    ax1.set_xticklabels([])

    ax2.set_xlabel(r'$M_{\mathrm{vir}} \quad [M_{\odot}]$')
    ax1.set_ylabel(
        r'$\mathrm{d}N / \mathrm{d}M_{\mathrm{vir}} \quad [\mathrm{Mpc}^{-3} \mathrm{dex}^{-1}]$'
    )
    ax2.set_ylabel(r'$\frac{\mathrm{Bolshoi}}{\mathrm{Model}}$')

    ax1.legend((bolshoi, sh, ps),
               ('Bolshoi', 'Sheth-Tormen', 'Press-Schecter'),
               shadow=True,
               fancybox=True,
               numpoints=1)
示例#3
0
def plotDMMFfromGalpropzAnalytical2(redshift, h, *data):
    #fudge factor
    fudge = 1.
    #http://adsabs.harvard.edu/abs/2001MNRAS.321..372J
    #Jenkins et al. paper has sqrt(2./pi) while
    #Rachel's code has 1/(sqrt(2*pi))
    #ratio of these two is the fudge factor

    #find the home directory, because the output is to dropbox
    #and my user name is not always the same, this hack is required.
    hm = os.getenv('HOME')
    path = hm + '/Dropbox/Research/Bolshoi/run/trial2/'
    database = 'sams.db'

    rlow = redshift - 0.1
    rhigh = redshift + 0.1

    query = '''select mhalo from galpropz where
               galpropz.zgal > %f and galpropz.zgal <= %f and
               galpropz.gal_id = 1
    ''' % (rlow, rhigh)

    #Hubble constants
    h3 = h**3
    #read data
    dt = {}
    for x in data[0]:
        #M dN/dM dNcorr/dM dN/dlog10(M) dN/dlog10(Mcorr)
        d = N.loadtxt(data[0][x])
        dt['Press-Schecter'] = N.array([d[:, 0], d[:, 3]])
        dt['Sheth-Tormen'] = N.array([d[:, 0], d[:, 4]])

    dt['Bolshoi'] = db.sqlite.get_data_sqlite(path, database, query) * 1e9
    print len(dt['Bolshoi'])

    #calculate the mass functions from the Bolshoi data
    mbin0, mf0 = df.diffFunctionLogBinning(dt['Bolshoi'] / h,
                                           nbins=35,
                                           h=0.7,
                                           mmin=10**9.0,
                                           mmax=10**15.0,
                                           volume=50,
                                           nvols=26,
                                           physical_units=True)
    del dt['Bolshoi']

    mbin0 = 10**mbin0
    #title
    ax1.set_title('Dark Matter Halo Mass Functions (galpropz.dat)')

    #mark redshift
    for a, b in zip(mbin0[::-1], mf0[::-1]):
        if b > 10**-5:
            break
    ax1.annotate('$z \sim %.0f$' % redshift, (0.98 * a, 3 * 10**-6),
                 size='x-small')

    #Analytical MFs
    xST = dt['Sheth-Tormen'][0]
    yST = dt['Sheth-Tormen'][1] * fudge
    sh = ax1.plot(xST, yST, 'b-', lw=1.3)
    #PS
    xPS = dt['Press-Schecter'][0]
    yPS = dt['Press-Schecter'][1] * fudge
    ps = ax1.plot(xPS, yPS, 'g--', lw=1.1)

    #MF from Bolshoi
    bolshoi = ax1.plot(mbin0, mf0, 'ro:', ms=5)

    #delete data to save memory, dt is not needed any longer
    del dt

    #plot the residuals
    if redshift < 1.5:
        #interploate to right x scale
        mfintST = N.interp(xST, mbin0, mf0)
        mfintPS = N.interp(xPS, mbin0, mf0)
        #yST = N.interp(mbin0, xST, yST)
        #yPS = N.interp(mbin0, xPS, yPS)
        #make the plot
        ax2.annotate('$z \sim %.0f$' % redshift, (1.5 * 10**9, 1.05),
                     xycoords='data',
                     size=10)
        ax2.axhline(1.0, color='b')
        ax2.plot(xST, mfintST / yST, 'b-')
        ax2.plot(xPS, mfintPS / yPS, 'g-')
        #ax2.plot(mbin0, mf0 / yST, 'b-')
        #ax2.plot(mbin0, mf0 / yPS, 'g-')

    ax1.set_xscale('log')
    ax2.set_xscale('log')
    ax1.set_yscale('log')

    ax1.set_ylim(10**-6, 10**-0)
    ax2.set_ylim(0.45, 1.55)
    ax1.set_xlim(10**9, 10**15)
    ax2.set_xlim(10**9, 10**15)

    ax1.set_xticklabels([])

    ax2.set_xlabel(r'$M_{\mathrm{vir}} \quad [M_{\odot}]$')
    ax1.set_ylabel(
        r'$\mathrm{d}N / \mathrm{d}\log_{10}(M_{\mathrm{vir}}) \quad [\mathrm{Mpc}^{-3} \mathrm{dex}^{-1}]$'
    )
    ax2.set_ylabel(r'$\frac{\mathrm{galpropz.dat}}{\mathrm{Model}}$')

    ax1.legend((bolshoi, sh, ps),
               ('Bolshoi', 'Sheth-Tormen', 'Press-Schecter'),
               shadow=True,
               fancybox=True,
               numpoints=1)
示例#4
0
def plot_mass_functionAnalytical2(redshift, h, no_phantoms, *data):
    #fudge factor
    fudge = 1.
    #http://adsabs.harvard.edu/abs/2001MNRAS.321..372J
    #Jenkins et al. paper has sqrt(2./pi) while
    #Rachel's code has 1/(sqrt(2*pi))
    #ratio of these two is the fudge factor

    #read data
    dt = {}
    for x in data[0]:
        if 'Bolshoi' in x:
            dt[x] = io.readBolshoiDMfile(data[0][x], 0, no_phantoms)
        else:
            #M dN/dM dNcorr/dM dN/dlog10(M) dN/dlog10(Mcorr)
            d = N.loadtxt(data[0][x])
            dt['Press-Schecter'] = N.array([d[:, 0], d[:, 3]])
            dt['Sheth-Tormen'] = N.array([d[:, 0], d[:, 4]])

    #calculate the mass functions from the Bolshoi data
    mbin0, mf0 = df.diffFunctionLogBinning(dt['Bolshoi'] / h,
                                           nbins=35,
                                           h=0.7,
                                           mmin=10**9.0,
                                           mmax=10**15.0,
                                           physical_units=True)
    del dt['Bolshoi']

    mbin0 = 10**mbin0
    #title
    if no_phantoms:
        ax1.set_title('Bolshoi Dark Matter Mass Functions (no phantoms)')
    else:
        ax1.set_title('Bolshoi Dark Matter Mass Functions')

    #mark redshift
    for a, b in zip(mbin0[::-1], mf0[::-1]):
        if b > 10**-6:
            break
    ax1.annotate('$z \sim %.1f$' % redshift, (0.98 * a, 3 * 10**-6),
                 size='x-small')

    #Analytical MFs
    xST = dt['Sheth-Tormen'][0]
    yST = dt['Sheth-Tormen'][1] * fudge
    print xST[1000], yST[1000]
    sh = ax1.plot(xST, yST, 'b-', lw=1.3)
    #PS
    xPS = dt['Press-Schecter'][0]
    yPS = dt['Press-Schecter'][1] * fudge
    ps = ax1.plot(xPS, yPS, 'g--', lw=1.1)

    #MF from Bolshoi
    bolshoi = ax1.plot(mbin0, mf0, 'ro:', ms=5)

    #delete data to save memory, dt is not needed any longer
    del dt

    #plot the residuals
    if round(float(redshift), 1) < 1.5:
        #interploate to right x scale
        mfintST = N.interp(xST, mbin0, mf0)
        mfintPS = N.interp(xPS, mbin0, mf0)
        #yST = N.interp(mbin0, xST, yST)
        #yPS = N.interp(mbin0, xPS, yPS)
        #make the plot
        ax2.annotate('$z \sim %.0f$' % redshift, (1.5 * 10**9, 1.05),
                     xycoords='data',
                     size=10)
        ax2.axhline(1.0, color='b')
        ax2.plot(xST, mfintST / yST, 'b-')
        ax2.plot(xPS, mfintPS / yPS, 'g-')
        #ax2.plot(mbin0, mf0 / yST, 'b-')
        #ax2.plot(mbin0, mf0 / yPS, 'g-')

    ax1.set_xscale('log')
    ax2.set_xscale('log')
    ax1.set_yscale('log')

    ax1.set_ylim(3 * 10**-7, 10**0)
    ax2.set_ylim(0.45, 1.55)
    ax1.set_xlim(10**9, 10**15)
    ax2.set_xlim(10**9, 10**15)

    ax1.set_xticklabels([])

    ax2.set_xlabel(r'$M_{\mathrm{vir}} \quad [M_{\odot}]$')
    ax1.set_ylabel(
        r'$\mathrm{d}N / \mathrm{d}\log_{10}(M_{\mathrm{vir}}) \quad [\mathrm{Mpc}^{-3} \mathrm{dex}^{-1}]$'
    )
    ax2.set_ylabel(r'$\frac{\mathrm{Bolshoi}}{\mathrm{Model}}$')

    ax1.legend((bolshoi, sh, ps),
               ('Bolshoi', 'Sheth-Tormen', 'Press-Schecter'),
               shadow=True,
               fancybox=True,
               numpoints=1)
示例#5
0
def plotDMMFfromGalpropz(redshift, h, *data):
    #fudge factor
    fudge = 2.0
    #http://adsabs.harvard.edu/abs/2001MNRAS.321..372J
    #Jenkins et al. paper has sqrt(2./pi) while
    #Rachel's code has 1/(sqrt(2*pi))
    #ratio of these two is the fudge factor

    #find the home directory, because the output is to dropbox
    #and my user name is not always the same, this hack is required.
    hm = os.getenv('HOME')
    path = hm + '/Dropbox/Research/Bolshoi/run/trial2/'
    database = 'sams.db'

    rlow = redshift - 0.1
    rhigh = redshift + 0.1

    query = '''select mhalo from galpropz where
               galpropz.zgal > %f and galpropz.zgal <= %f and
               galpropz.gal_id = 1
    ''' % (rlow, rhigh)

    print query

    #read data
    dt = {}
    for x in data[0]:
        dt[x] = N.loadtxt(data[0][x])

    dt['Bolshoi'] = db.sqlite.get_data_sqlite(path, database, query) * 1e9

    #calculate the mass functions from the Bolshoi data
    mbin0, mf0 = df.diffFunctionLogBinning(dt['Bolshoi'] / h,
                                           nbins=35,
                                           h=0.7,
                                           mmin=10**9.0,
                                           mmax=10**15.0,
                                           volume=50,
                                           nvols=26,
                                           physical_units=True)
    del dt['Bolshoi']
    #use chain rule to get dN / dM
    #dN/dM = dN/dlog10(M) * dlog10(M)/dM
    #d/dM (log10(M)) = 1 / (M*ln(10))
    mf0 *= 1. / (mbin0 * N.log(10))
    mbin0 = 10**mbin0
    #title
    ax1.set_title('Dark Matter Halo Mass Functions (galpropz.dat)')

    #mark redshift
    for a, b in zip(mbin0[::-1], mf0[::-1]):
        if b > 10**-6:
            break
    ax1.annotate('$z \sim %.0f$' % redshift, (0.98 * a, 3 * 10**-7),
                 size='x-small')

    #Analytical MFs
    #0th column: log10 of mass (Msolar, NOT Msolar/h)
    #1st column: mass (Msolar/h)
    #2nd column: (dn/dM)*dM, per Mpc^3 (NOT h^3/Mpc^3)
    xST = 10**dt['Sheth-Tormen'][:, 0]
    yST = dt['Sheth-Tormen'][:, 2] * fudge
    sh = ax1.plot(xST, yST, 'b-', lw=1.3)
    #PS
    xPS = 10**dt['Press-Schecter'][:, 0]
    yPS = dt['Press-Schecter'][:, 2] * fudge
    ps = ax1.plot(xPS, yPS, 'g--', lw=1.1)

    #MF from Bolshoi
    bolshoi = ax1.plot(mbin0, mf0, 'ro:', ms=5)

    #delete data to save memory, dt is not needed any longer
    del dt

    #plot the residuals
    if round(float(redshift), 1) < 1.5:
        #interploate to right x scale
        ySTint = N.interp(mbin0, xST, yST)
        yPSint = N.interp(mbin0, xPS, yPS)
        #make the plot
        ax2.annotate('$z \sim %.0f$' % redshift, (1.5 * 10**9, 1.05),
                     xycoords='data',
                     size=10)
        ax2.axhline(1.0, color='b')
        ax2.plot(mbin0, mf0 / ySTint, 'b-')
        ax2.plot(mbin0, mf0 / yPSint, 'g-')

    ax1.set_xscale('log')
    ax2.set_xscale('log')
    ax1.set_yscale('log')

    ax1.set_ylim(5 * 10**-8, 10**-1)
    ax2.set_ylim(0.45, 1.55)
    ax1.set_xlim(10**9, 10**15)
    ax2.set_xlim(10**9, 10**15)

    ax1.set_xticklabels([])

    ax2.set_xlabel(r'$M_{\mathrm{vir}} \quad [M_{\odot}]$')
    ax1.set_ylabel(
        r'$\mathrm{d}N / \mathrm{d}M_{\mathrm{vir}} \quad [\mathrm{Mpc}^{-3} \mathrm{dex}^{-1}]$'
    )
    ax2.set_ylabel(r'$\frac{\mathrm{galpropz.dat}}{\mathrm{Model}}$')

    ax1.legend((bolshoi, sh, ps),
               ('Bolshoi', 'Sheth-Tormen', 'Press-Schecter'),
               shadow=True,
               fancybox=True,
               numpoints=1)
示例#6
0
def compareGalpropzToBolshoiTrees(analyticalData,
                                  BolshoiTrees,
                                  redshifts,
                                  h,
                                  outputdir,
                                  nvols=18,
                                  no_phantoms=True,
                                  galid=True):
    #data storage
    data = {}

    #figure definitions
    left, width = 0.1, 0.8
    rect1 = [left, 0.1, width, 0.2]
    rect2 = [left, 0.3, width, 0.65]

    #note that this is only available on tuonela.stsci.edu
    simuPath = '/Users/niemi/Desktop/Research/run/newtree1/'
    simuDB = 'sams.db'

    #star the figure
    fig = P.figure()
    ax1 = fig.add_axes(rect2)  #left, bottom, width, height
    ax2 = fig.add_axes(rect1)

    #set title
    if galid:
        ax1.set_title('Dark Matter Halo Mass Functions (gal\_id = 1; 26 volumes)')
    else:
        ax1.set_title('Dark Matter Halo Mass Functions (galpropz: 26 volumes)')


    #loop over the data and redshift range
    for redsh, BolshoiTree, anaData in zip(sorted(redshifts.itervalues()),
                                           BolshoiTrees,
                                           analyticalData):
        #skip some redshifts
        if redsh < 1.0 or redsh == 2.0276 or redsh == 5.1614\
           or redsh == 6.5586 or redsh == 3.0584:
            continue
            #if redsh == 1.0064 or redsh == 3.0584 or redsh == 4.0429 or \
        #   redsh == 8.2251:
        #    continue

        #change this to logging afterwords
        logging.debug(redsh)
        logging.debug(BolshoiTree)
        logging.debug(anaData)

        rlow = redsh - 0.02
        rhigh = redsh + 0.02

        if galid:
            query = '''select mhalo from galpropz where
                       galpropz.zgal > {0:f} and galpropz.zgal < {1:f} and
                       galpropz.gal_id = 1'''.format(rlow, rhigh)
        else:
            query = '''select mhalo from galpropz where
                       galpropz.zgal > {0:f} and
                       galpropz.zgal < {1:f}'''.format(rlow, rhigh)

        logging.debug(query)

        data['SAM'] = db.sqlite.get_data_sqlite(simuPath, simuDB, query) * 1e9

        #calculate the mass functions from the SAM data, only x volumes
        mbin0SAM, mf0SAM = df.diffFunctionLogBinning(data['SAM'],
                                                     nbins=30,
                                                     h=h,
                                                     mmin=1e9,
                                                     mmax=1e15,
                                                     volume=50.0,
                                                     nvols=nvols,
                                                     physical_units=True)
        mbin0SAM = 10 ** mbin0SAM
        #mf0SAM = mf0SAM * 1.7

        #read the Bolshoi merger trees
        data['Bolshoi'] = io.readBolshoiDMfile(BolshoiTree, 0, no_phantoms)

        #calculate the mass functions from the full Bolshoi data
        mbin0Bolshoi, mf0Bolshoi = df.diffFunctionLogBinning(data['Bolshoi'] / h,
                                                             nbins=30,
                                                             h=h,
                                                             mmin=1e9,
                                                             mmax=1e15,
                                                             volume=50.0,
                                                             nvols=125,
                                                             physical_units=True)
        mbin0Bolshoi = 10 ** mbin0Bolshoi

        #Analytical MFs
        #get Rachel's analytical curves
        #M dN/dM dNcorr/dM dN/dlog10(M) dN/dlog10(Mcorr)
        d = N.loadtxt(anaData)
        data['Press-Schecter'] = N.array([d[:, 0], d[:, 3]])
        data['Sheth-Tormen'] = N.array([d[:, 0], d[:, 4]])
        #ST
        sh = ax1.plot(data['Sheth-Tormen'][0],
                      data['Sheth-Tormen'][1],
                      'k-', lw=0.9)
        #PS
        #ps = ax1.plot(data['Press-Schecter'][0],
        #              data['Press-Schecter'][1],
        #              'g--', lw = 1.1)

        #MF from Bolshoi
        bolshoiax = ax1.plot(mbin0Bolshoi,
                             mf0Bolshoi,
                             'ro--', ms=4)

        #MF from the SAM run
        samax = ax1.plot(mbin0SAM,
                         mf0SAM,
                         'gs--', ms=4)

        #mark redshift
        for a, b in zip(mbin0Bolshoi[::-1], mf0Bolshoi[::-1]):
            if b > 10 ** -5:
                break
        ax1.annotate('$z \sim {0:.2f}$'.format(redsh),
            (0.6 * a, 3 * 10 ** -6), size='x-small')

        #plot the residuals
        if redsh < 1.5:
            #make the plot
            ax2.annotate('$z \sim {0:.2f}$'.format(redsh),
                (1.5 * 10 ** 9, 1.05), xycoords='data',
                         size=10)
            ax2.axhline(1.0, color='k')
            msk = mf0SAM / mf0Bolshoi > 0
            ax2.plot(mbin0SAM[msk],
                     mf0SAM[msk] / mf0Bolshoi[msk],
                     'r-')

    ax1.set_xscale('log')
    ax2.set_xscale('log')
    ax1.set_yscale('log')

    ax1.set_ylim(1e-6, 10 ** -0)
    ax2.set_ylim(0.45, 1.55)
    ax1.set_xlim(2e9, 4e14)
    ax2.set_xlim(2e9, 4e14)

    ax1.set_xticklabels([])

    ax2.set_xlabel(r'$M_{\mathrm{vir}} \quad [M_{\odot}]$')
    ax1.set_ylabel(r'$\mathrm{d}N / \mathrm{d}\log_{10}(M_{\mathrm{vir}}) \quad [\mathrm{Mpc}^{-3} \mathrm{dex}^{-1}]$')
    ax2.set_ylabel(r'$\frac{\mathrm{galpropz.dat}}{\mathrm{IsoTree}}$')

    ax1.legend((sh, bolshoiax, samax),
        ('Sheth-Tormen', 'Bolshoi', 'galpropz'),
                                     shadow=True, fancybox=True,
                                     numpoints=1)

    if galid:
        P.savefig(outputdir + 'IsotreesVSgalpropzGalID.pdf')
    else:
        P.savefig(outputdir + 'IsotreesVSgalpropz.pdf')
示例#7
0
def plotMassFunction(simus,
                     sheth,
                     outdir,
                     h,
                     simuPath,
                     simuDB,
                     noPhantoms=True):
    '''
    This function plots dark matter halo mass functions from
    file(s) given in simus. The usual usage is that simus
    contain a list of file names. These files should contain
    dark matter halo masses derived from the Bolshoi isotree
    files.

    This function uses a fudge factor = 2.0 because
    Jenkins et al. paper
    (http://adsabs.harvard.edu/abs/2001MNRAS.321..372J)
    has sqrt(2./pi) while
    Rachel's code has 1/(sqrt(2*pi))
    The ratio of these two definitions is the fudge factor.    
    '''

    #fudge factor
    fudge = 2.0

    #figure definitions
    left, width = 0.1, 0.8
    rect1 = [left, 0.1, width, 0.2]
    rect2 = [left, 0.3, width, 0.65]

    for i, file in enumerate(simus):
        #get the redshift
        redshift = float(file.split('z')[1][:5])
        logging.debug('Plotting redshift %.2f dark matter mass functions',
                      redshift)
        #different redshift ranges
        if redshift < 1.8:
            rlow = redshift - 0.02
            rhigh = redshift + 0.02
        else:
            rlow = redshift - 0.1
            rhigh = redshift + 0.1

        #read bolshoi data
        BoshoiData = io.readBolshoiDMfile(file, 0, noPhantoms)

        #calculate the mass functions from the Bolshoi data
        mbin0, mf0 = df.diffFunctionLogBinning(BoshoiData / h,
                                               nbins=35,
                                               h=h,
                                               mmin=1e9,
                                               mmax=1e15,
                                               volume=50.0,
                                               nvols=18)

        #use chain rule to get dN / dM
        #dN/dM = dN/dlog10(M) * dlog10(M)/dM
        #d/dM (log10(M)) = 1 / (M*ln(10))
        mf0 *= 1. / (mbin0 * N.log(10))
        #put mass back to power
        mbin0 = 10**mbin0

        #get the SAMs data
        #if round(redshift, 2) < 0.08:
        if i < 1:
            query = '''select mhalo from galprop where galprop.gal_id = 1'''
            GalpropData = 10**db.sqlite.get_data_sqlite(
                simuPath, simuDB, query)
        else:
            query = '''select mhalo from galpropz where 
                       galpropz.zgal > {0:f} and galpropz.zgal < {1:f} and
                       galpropz.gal_id = 1'''.format(rlow, rhigh)
            GalpropData = db.sqlite.get_data_sqlite(simuPath, simuDB,
                                                    query) * 1e9
        logging.debug(query)

        #calculate the mass functions from the SAM data, only x volumes
        mbin0SAM, mf0SAM = df.diffFunctionLogBinning(GalpropData,
                                                     nbins=35,
                                                     h=h,
                                                     mmin=1e9,
                                                     mmax=1e15,
                                                     volume=50.0,
                                                     nvols=15)
        #use chain rule to get dN / dM
        #dN/dM = dN/dlog10(M) * dlog10(M)/dM
        #d/dM (log10(M)) = 1 / (M*ln(10))
        mf0SAM *= 1. / (mbin0SAM * N.log(10))
        mbin0SAM = 10**mbin0SAM

        #start a figure
        fig = P.figure(figsize=(10, 10))
        ax1 = fig.add_axes(rect2)  #left, bottom, width, height
        ax2 = fig.add_axes(rect1)

        #title
        if noPhantoms:
            ax1.set_title('$z \sim %.2f$ (no phantoms)' % redshift)
        else:
            ax1.set_title('$z \sim %.2f$' % redshift)

        #Analytical MFs
        #0th column: log10 of mass (Msolar, NOT Msolar/h)
        #1st column: mass (Msolar/h)
        #2nd column: (dn/dM)*dM, per Mpc^3 (NOT h^3/Mpc^3)
        logging.debug(sheth[i])
        dt = N.loadtxt(sheth[i])
        xST = 10**dt[:, 0]
        yST = dt[:, 2] * fudge
        sh = ax1.plot(xST, yST, 'b-', lw=1.3)

        #MF from Bolshoi
        bolshoi = ax1.plot(mbin0, mf0, 'ro:', ms=5)

        #MF from the SAM run
        samax = ax1.plot(mbin0SAM, mf0SAM, 'gs--', ms=4)

        #plot the residuals
        ax2.axhline(1.0, color='k')
        ax2.plot(mbin0, mf0 / mf0SAM, 'm-')
        #interploate to right x scale
        mfintST1 = N.interp(xST, mbin0, mf0)
        mfintST2 = N.interp(xST, mbin0SAM, mf0SAM)
        ax2.plot(xST, mfintST1 / yST, 'r-')
        ax2.plot(xST, mfintST2 / yST, 'g-')

        ax1.set_ylim(1e-7, 1e-1)
        ax2.set_ylim(0.45, 1.55)
        ax1.set_xlim(1e9, 1e15)
        ax2.set_xlim(1e9, 1e15)

        ax1.set_xscale('log')
        ax2.set_xscale('log')
        ax1.set_yscale('log')

        ax1.set_xticklabels([])

        ax2.set_xlabel(r'$M_{\mathrm{vir}} \quad [M_{\odot}]$')
        ax1.set_ylabel(
            r'$\mathrm{d}N / \mathrm{d}M_{\mathrm{vir}} \quad [\mathrm{Mpc}^{-3} \mathrm{dex}^{-1}]$'
        )
        ax2.set_ylabel(r'$\frac{\mathrm{Bolshoi}}{\mathrm{Model}}$')

        ax1.legend((bolshoi, samax, sh),
                   ('Bolshoi', 'galpropz', 'Sheth-Tormen'),
                   shadow=True,
                   fancybox=True,
                   numpoints=1)

        P.savefig(outdir + 'DMMF{0:d}.png'.format(i))
        P.close()
示例#8
0
def plotDMMFfromGalpropzAnalytical2(redshift, h, *data):
    #fudge factor
    fudge = 1.
    #http://adsabs.harvard.edu/abs/2001MNRAS.321..372J
    #Jenkins et al. paper has sqrt(2./pi) while
    #Rachel's code has 1/(sqrt(2*pi))
    #ratio of these two is the fudge factor    

    #find the home directory, because the output is to dropbox 
    #and my user name is not always the same, this hack is required.
    hm = os.getenv('HOME')
    path = hm + '/Dropbox/Research/Bolshoi/run/trial2/'
    database = 'sams.db'

    rlow = redshift - 0.1
    rhigh = redshift + 0.1

    query = '''select mhalo from galpropz where
               galpropz.zgal > %f and galpropz.zgal <= %f and
               galpropz.gal_id = 1
    ''' % (rlow, rhigh)

    #Hubble constants
    h3 = h ** 3
    #read data
    dt = {}
    for x in data[0]:
        #M dN/dM dNcorr/dM dN/dlog10(M) dN/dlog10(Mcorr)
        d = N.loadtxt(data[0][x])
        dt['Press-Schecter'] = N.array([d[:, 0], d[:, 3]])
        dt['Sheth-Tormen'] = N.array([d[:, 0], d[:, 4]])

    dt['Bolshoi'] = db.sqlite.get_data_sqlite(path, database, query) * 1e9
    print len(dt['Bolshoi'])

    #calculate the mass functions from the Bolshoi data
    mbin0, mf0 = df.diffFunctionLogBinning(dt['Bolshoi'] / h,
                                           nbins=35,
                                           h=0.7,
                                           mmin=10 ** 9.0,
                                           mmax=10 ** 15.0,
                                           volume=50,
                                           nvols=26,
                                           physical_units=True)
    del dt['Bolshoi']

    mbin0 = 10 ** mbin0
    #title
    ax1.set_title('Dark Matter Halo Mass Functions (galpropz.dat)')

    #mark redshift
    for a, b in zip(mbin0[::-1], mf0[::-1]):
        if b > 10 ** -5:
            break
    ax1.annotate('$z \sim %.0f$' % redshift,
        (0.98 * a, 3 * 10 ** -6), size='x-small')

    #Analytical MFs
    xST = dt['Sheth-Tormen'][0]
    yST = dt['Sheth-Tormen'][1] * fudge
    sh = ax1.plot(xST, yST, 'b-', lw=1.3)
    #PS
    xPS = dt['Press-Schecter'][0]
    yPS = dt['Press-Schecter'][1] * fudge
    ps = ax1.plot(xPS, yPS, 'g--', lw=1.1)

    #MF from Bolshoi
    bolshoi = ax1.plot(mbin0, mf0, 'ro:', ms=5)

    #delete data to save memory, dt is not needed any longer
    del dt

    #plot the residuals
    if redshift < 1.5:
        #interploate to right x scale
        mfintST = N.interp(xST, mbin0, mf0)
        mfintPS = N.interp(xPS, mbin0, mf0)
        #yST = N.interp(mbin0, xST, yST)
        #yPS = N.interp(mbin0, xPS, yPS)
        #make the plot
        ax2.annotate('$z \sim %.0f$' % redshift,
            (1.5 * 10 ** 9, 1.05), xycoords='data',
                     size=10)
        ax2.axhline(1.0, color='b')
        ax2.plot(xST, mfintST / yST, 'b-')
        ax2.plot(xPS, mfintPS / yPS, 'g-')
        #ax2.plot(mbin0, mf0 / yST, 'b-')
        #ax2.plot(mbin0, mf0 / yPS, 'g-')

    ax1.set_xscale('log')
    ax2.set_xscale('log')
    ax1.set_yscale('log')

    ax1.set_ylim(10 ** -6, 10 ** -0)
    ax2.set_ylim(0.45, 1.55)
    ax1.set_xlim(10 ** 9, 10 ** 15)
    ax2.set_xlim(10 ** 9, 10 ** 15)

    ax1.set_xticklabels([])

    ax2.set_xlabel(r'$M_{\mathrm{vir}} \quad [M_{\odot}]$')
    ax1.set_ylabel(r'$\mathrm{d}N / \mathrm{d}\log_{10}(M_{\mathrm{vir}}) \quad [\mathrm{Mpc}^{-3} \mathrm{dex}^{-1}]$')
    ax2.set_ylabel(r'$\frac{\mathrm{galpropz.dat}}{\mathrm{Model}}$')

    ax1.legend((bolshoi, sh, ps),
        ('Bolshoi', 'Sheth-Tormen', 'Press-Schecter'),
                                shadow=True, fancybox=True,
                                numpoints=1)
示例#9
0
def plot_mass_function(redshift, h, no_phantoms, *data):
    #fudge factor
    fudge = 2.0
    #http://adsabs.harvard.edu/abs/2001MNRAS.321..372J
    #Jenkins et al. paper has sqrt(2./pi) while
    #Rachel's code has 1/(sqrt(2*pi))
    #ratio of these two is the fudge factor    

    #read data to dictionary
    dt = {}
    for x in data[0]:
        if 'Bolshoi' in x:
            dt[x] = io.readBolshoiDMfile(data[0][x], 0, no_phantoms)
        else:
            dt[x] = N.loadtxt(data[0][x])

    #calculate the mass functions from the Bolshoi data
    mbin0, mf0 = df.diffFunctionLogBinning(dt['Bolshoi'] / h,
                                           nbins=35,
                                           h=0.7,
                                           mmin=10 ** 9.0,
                                           mmax=10 ** 15.0,
                                           physical_units=True)

    del dt['Bolshoi']
    #use chain rule to get dN / dM
    #dN/dM = dN/dlog10(M) * dlog10(M)/dM
    #d/dM (log10(M)) = 1 / (M*ln(10)) 
    mf0 *= 1. / (mbin0 * N.log(10))
    #put mass back to power
    mbin0 = 10 ** mbin0
    #title
    if no_phantoms:
        ax1.set_title('Bolshoi Dark Matter Mass Functions (no phantoms)')
    else:
        ax1.set_title('Bolshoi Dark Matter Mass Functions')

    #mark redshift
    for a, b in zip(mbin0[::-1], mf0[::-1]):
        if b > 10 ** -6:
            break
    ax1.annotate('$z \sim %.1f$' % redshift,
        (0.98 * a, 3 * 10 ** -6), size='x-small')

    #Analytical MFs
    #0th column: log10 of mass (Msolar, NOT Msolar/h)
    #1st column: mass (Msolar/h)
    #2nd column: (dn/dM)*dM, per Mpc^3 (NOT h^3/Mpc^3)
    xST = 10 ** dt['Sheth-Tormen'][:, 0]
    yST = dt['Sheth-Tormen'][:, 2] * fudge
    sh = ax1.plot(xST, yST, 'b-', lw=1.3)
    #PS
    xPS = 10 ** dt['Press-Schecter'][:, 0]
    yPS = dt['Press-Schecter'][:, 2] * fudge
    ps = ax1.plot(xPS, yPS, 'g--', lw=1.1)

    #MF from Bolshoi
    bolshoi = ax1.plot(mbin0, mf0, 'ro:', ms=5)

    #delete data to save memory, dt is not needed any longer
    del dt

    #plot the residuals
    if round(float(redshift), 1) < 1.5:
        #interploate to right x scale
        yST = N.interp(mbin0, xST, yST)
        yPS = N.interp(mbin0, xPS, yPS)
        #make the plot
        ax2.annotate('$z \sim %.1f$' % redshift,
            (1.5 * 10 ** 9, 1.05), xycoords='data',
                     size=10)
        ax2.axhline(1.0, color='b')
        ax2.plot(mbin0, mf0 / yST, 'b-')
        ax2.plot(mbin0, mf0 / yPS, 'g-')

    ax1.set_xscale('log')
    ax2.set_xscale('log')
    ax1.set_yscale('log')

    ax1.set_ylim(10 ** -7, 10 ** -1)
    ax2.set_ylim(0.45, 1.55)
    ax1.set_xlim(10 ** 9, 10 ** 15)
    ax2.set_xlim(10 ** 9, 10 ** 15)

    ax1.set_xticklabels([])

    ax2.set_xlabel(r'$M_{\mathrm{vir}} \quad [M_{\odot}]$')
    ax1.set_ylabel(r'$\mathrm{d}N / \mathrm{d}M_{\mathrm{vir}} \quad [\mathrm{Mpc}^{-3} \mathrm{dex}^{-1}]$')
    ax2.set_ylabel(r'$\frac{\mathrm{Bolshoi}}{\mathrm{Model}}$')

    ax1.legend((bolshoi, sh, ps),
        ('Bolshoi', 'Sheth-Tormen', 'Press-Schecter'),
                                shadow=True, fancybox=True,
                                numpoints=1)
示例#10
0
def plotDMMFfromGalpropz(redshift, h, *data):
    #fudge factor
    fudge = 2.0
    #http://adsabs.harvard.edu/abs/2001MNRAS.321..372J
    #Jenkins et al. paper has sqrt(2./pi) while
    #Rachel's code has 1/(sqrt(2*pi))
    #ratio of these two is the fudge factor

    #find the home directory, because the output is to dropbox 
    #and my user name is not always the same, this hack is required.
    hm = os.getenv('HOME')
    path = hm + '/Dropbox/Research/Bolshoi/run/trial2/'
    database = 'sams.db'

    rlow = redshift - 0.1
    rhigh = redshift + 0.1

    query = '''select mhalo from galpropz where
               galpropz.zgal > %f and galpropz.zgal <= %f and
               galpropz.gal_id = 1
    ''' % (rlow, rhigh)

    print query

    #read data
    dt = {}
    for x in data[0]:
        dt[x] = N.loadtxt(data[0][x])

    dt['Bolshoi'] = db.sqlite.get_data_sqlite(path, database, query) * 1e9

    #calculate the mass functions from the Bolshoi data
    mbin0, mf0 = df.diffFunctionLogBinning(dt['Bolshoi'] / h,
                                           nbins=35,
                                           h=0.7,
                                           mmin=10 ** 9.0,
                                           mmax=10 ** 15.0,
                                           volume=50,
                                           nvols=26,
                                           physical_units=True)
    del dt['Bolshoi']
    #use chain rule to get dN / dM
    #dN/dM = dN/dlog10(M) * dlog10(M)/dM
    #d/dM (log10(M)) = 1 / (M*ln(10)) 
    mf0 *= 1. / (mbin0 * N.log(10))
    mbin0 = 10 ** mbin0
    #title
    ax1.set_title('Dark Matter Halo Mass Functions (galpropz.dat)')

    #mark redshift
    for a, b in zip(mbin0[::-1], mf0[::-1]):
        if b > 10 ** -6:
            break
    ax1.annotate('$z \sim %.0f$' % redshift,
        (0.98 * a, 3 * 10 ** -7), size='x-small')

    #Analytical MFs
    #0th column: log10 of mass (Msolar, NOT Msolar/h)
    #1st column: mass (Msolar/h)
    #2nd column: (dn/dM)*dM, per Mpc^3 (NOT h^3/Mpc^3)
    xST = 10 ** dt['Sheth-Tormen'][:, 0]
    yST = dt['Sheth-Tormen'][:, 2] * fudge
    sh = ax1.plot(xST, yST, 'b-', lw=1.3)
    #PS
    xPS = 10 ** dt['Press-Schecter'][:, 0]
    yPS = dt['Press-Schecter'][:, 2] * fudge
    ps = ax1.plot(xPS, yPS, 'g--', lw=1.1)

    #MF from Bolshoi
    bolshoi = ax1.plot(mbin0, mf0, 'ro:', ms=5)

    #delete data to save memory, dt is not needed any longer
    del dt

    #plot the residuals
    if round(float(redshift), 1) < 1.5:
        #interploate to right x scale
        ySTint = N.interp(mbin0, xST, yST)
        yPSint = N.interp(mbin0, xPS, yPS)
        #make the plot
        ax2.annotate('$z \sim %.0f$' % redshift,
            (1.5 * 10 ** 9, 1.05), xycoords='data',
                     size=10)
        ax2.axhline(1.0, color='b')
        ax2.plot(mbin0, mf0 / ySTint, 'b-')
        ax2.plot(mbin0, mf0 / yPSint, 'g-')

    ax1.set_xscale('log')
    ax2.set_xscale('log')
    ax1.set_yscale('log')

    ax1.set_ylim(5 * 10 ** -8, 10 ** -1)
    ax2.set_ylim(0.45, 1.55)
    ax1.set_xlim(10 ** 9, 10 ** 15)
    ax2.set_xlim(10 ** 9, 10 ** 15)

    ax1.set_xticklabels([])

    ax2.set_xlabel(r'$M_{\mathrm{vir}} \quad [M_{\odot}]$')
    ax1.set_ylabel(r'$\mathrm{d}N / \mathrm{d}M_{\mathrm{vir}} \quad [\mathrm{Mpc}^{-3} \mathrm{dex}^{-1}]$')
    ax2.set_ylabel(r'$\frac{\mathrm{galpropz.dat}}{\mathrm{Model}}$')

    ax1.legend((bolshoi, sh, ps),
        ('Bolshoi', 'Sheth-Tormen', 'Press-Schecter'),
                                shadow=True, fancybox=True,
                                numpoints=1)
示例#11
0
def plot_mass_functionAnalytical2(redshift, h, no_phantoms, *data):
    #fudge factor
    fudge = 1.
    #http://adsabs.harvard.edu/abs/2001MNRAS.321..372J
    #Jenkins et al. paper has sqrt(2./pi) while
    #Rachel's code has 1/(sqrt(2*pi))
    #ratio of these two is the fudge factor  

    #read data
    dt = {}
    for x in data[0]:
        if 'Bolshoi' in x:
            dt[x] = io.readBolshoiDMfile(data[0][x], 0, no_phantoms)
        else:
            #M dN/dM dNcorr/dM dN/dlog10(M) dN/dlog10(Mcorr)
            d = N.loadtxt(data[0][x])
            dt['Press-Schecter'] = N.array([d[:, 0], d[:, 3]])
            dt['Sheth-Tormen'] = N.array([d[:, 0], d[:, 4]])


    #calculate the mass functions from the Bolshoi data
    mbin0, mf0 = df.diffFunctionLogBinning(dt['Bolshoi'] / h,
                                           nbins=35,
                                           h=0.7,
                                           mmin=10 ** 9.0,
                                           mmax=10 ** 15.0,
                                           physical_units=True)
    del dt['Bolshoi']

    mbin0 = 10 ** mbin0
    #title
    if no_phantoms:
        ax1.set_title('Bolshoi Dark Matter Mass Functions (no phantoms)')
    else:
        ax1.set_title('Bolshoi Dark Matter Mass Functions')

    #mark redshift
    for a, b in zip(mbin0[::-1], mf0[::-1]):
        if b > 10 ** -6:
            break
    ax1.annotate('$z \sim %.1f$' % redshift,
        (0.98 * a, 3 * 10 ** -6), size='x-small')

    #Analytical MFs
    xST = dt['Sheth-Tormen'][0]
    yST = dt['Sheth-Tormen'][1] * fudge
    print xST[1000], yST[1000]
    sh = ax1.plot(xST, yST, 'b-', lw=1.3)
    #PS
    xPS = dt['Press-Schecter'][0]
    yPS = dt['Press-Schecter'][1] * fudge
    ps = ax1.plot(xPS, yPS, 'g--', lw=1.1)

    #MF from Bolshoi
    bolshoi = ax1.plot(mbin0, mf0, 'ro:', ms=5)

    #delete data to save memory, dt is not needed any longer
    del dt

    #plot the residuals
    if round(float(redshift), 1) < 1.5:
        #interploate to right x scale
        mfintST = N.interp(xST, mbin0, mf0)
        mfintPS = N.interp(xPS, mbin0, mf0)
        #yST = N.interp(mbin0, xST, yST)
        #yPS = N.interp(mbin0, xPS, yPS)
        #make the plot
        ax2.annotate('$z \sim %.0f$' % redshift,
            (1.5 * 10 ** 9, 1.05), xycoords='data',
                     size=10)
        ax2.axhline(1.0, color='b')
        ax2.plot(xST, mfintST / yST, 'b-')
        ax2.plot(xPS, mfintPS / yPS, 'g-')
        #ax2.plot(mbin0, mf0 / yST, 'b-')
        #ax2.plot(mbin0, mf0 / yPS, 'g-')

    ax1.set_xscale('log')
    ax2.set_xscale('log')
    ax1.set_yscale('log')

    ax1.set_ylim(3 * 10 ** -7, 10 ** 0)
    ax2.set_ylim(0.45, 1.55)
    ax1.set_xlim(10 ** 9, 10 ** 15)
    ax2.set_xlim(10 ** 9, 10 ** 15)

    ax1.set_xticklabels([])

    ax2.set_xlabel(r'$M_{\mathrm{vir}} \quad [M_{\odot}]$')
    ax1.set_ylabel(r'$\mathrm{d}N / \mathrm{d}\log_{10}(M_{\mathrm{vir}}) \quad [\mathrm{Mpc}^{-3} \mathrm{dex}^{-1}]$')
    ax2.set_ylabel(r'$\frac{\mathrm{Bolshoi}}{\mathrm{Model}}$')

    ax1.legend((bolshoi, sh, ps),
        ('Bolshoi', 'Sheth-Tormen', 'Press-Schecter'),
                                shadow=True, fancybox=True,
                                numpoints=1)
示例#12
0
def plotMassFunction(simus, sheth, outdir, h, simuPath, simuDB,
                     noPhantoms=True):
    '''
    This function plots dark matter halo mass functions from
    file(s) given in simus. The usual usage is that simus
    contain a list of file names. These files should contain
    dark matter halo masses derived from the Bolshoi isotree
    files.

    This function uses a fudge factor = 2.0 because
    Jenkins et al. paper
    (http://adsabs.harvard.edu/abs/2001MNRAS.321..372J)
    has sqrt(2./pi) while
    Rachel's code has 1/(sqrt(2*pi))
    The ratio of these two definitions is the fudge factor.    
    '''

    #fudge factor
    fudge = 2.0

    #figure definitions
    left, width = 0.1, 0.8
    rect1 = [left, 0.1, width, 0.2]
    rect2 = [left, 0.3, width, 0.65]

    for i, file in enumerate(simus):
        #get the redshift
        redshift = float(file.split('z')[1][:5])
        logging.debug('Plotting redshift %.2f dark matter mass functions', redshift)
        #different redshift ranges
        if redshift < 1.8:
            rlow = redshift - 0.02
            rhigh = redshift + 0.02
        else:
            rlow = redshift - 0.1
            rhigh = redshift + 0.1

        #read bolshoi data
        BoshoiData = io.readBolshoiDMfile(file, 0, noPhantoms)

        #calculate the mass functions from the Bolshoi data
        mbin0, mf0 = df.diffFunctionLogBinning(BoshoiData / h,
                                               nbins=35,
                                               h=h,
                                               mmin=1e9,
                                               mmax=1e15,
                                               volume=50.0,
                                               nvols=18)

        #use chain rule to get dN / dM
        #dN/dM = dN/dlog10(M) * dlog10(M)/dM
        #d/dM (log10(M)) = 1 / (M*ln(10))
        mf0 *= 1. / (mbin0 * N.log(10))
        #put mass back to power
        mbin0 = 10 ** mbin0

        #get the SAMs data
        #if round(redshift, 2) < 0.08:
        if i < 1:
            query = '''select mhalo from galprop where galprop.gal_id = 1'''
            GalpropData = 10 ** db.sqlite.get_data_sqlite(simuPath, simuDB, query)
        else:
            query = '''select mhalo from galpropz where 
                       galpropz.zgal > {0:f} and galpropz.zgal < {1:f} and
                       galpropz.gal_id = 1'''.format(rlow, rhigh)
            GalpropData = db.sqlite.get_data_sqlite(simuPath, simuDB, query) * 1e9
        logging.debug(query)


        #calculate the mass functions from the SAM data, only x volumes
        mbin0SAM, mf0SAM = df.diffFunctionLogBinning(GalpropData,
                                                     nbins=35,
                                                     h=h,
                                                     mmin=1e9,
                                                     mmax=1e15,
                                                     volume=50.0,
                                                     nvols=15)
        #use chain rule to get dN / dM
        #dN/dM = dN/dlog10(M) * dlog10(M)/dM
        #d/dM (log10(M)) = 1 / (M*ln(10))
        mf0SAM *= 1. / (mbin0SAM * N.log(10))
        mbin0SAM = 10 ** mbin0SAM

        #start a figure
        fig = P.figure(figsize=(10, 10))
        ax1 = fig.add_axes(rect2)  #left, bottom, width, height
        ax2 = fig.add_axes(rect1)

        #title
        if noPhantoms:
            ax1.set_title('$z \sim %.2f$ (no phantoms)' % redshift)
        else:
            ax1.set_title('$z \sim %.2f$' % redshift)

        #Analytical MFs
        #0th column: log10 of mass (Msolar, NOT Msolar/h)
        #1st column: mass (Msolar/h)
        #2nd column: (dn/dM)*dM, per Mpc^3 (NOT h^3/Mpc^3)
        logging.debug(sheth[i])
        dt = N.loadtxt(sheth[i])
        xST = 10 ** dt[:, 0]
        yST = dt[:, 2] * fudge
        sh = ax1.plot(xST, yST, 'b-', lw=1.3)

        #MF from Bolshoi
        bolshoi = ax1.plot(mbin0, mf0, 'ro:', ms=5)

        #MF from the SAM run
        samax = ax1.plot(mbin0SAM, mf0SAM, 'gs--', ms=4)

        #plot the residuals
        ax2.axhline(1.0, color='k')
        ax2.plot(mbin0, mf0 / mf0SAM, 'm-')
        #interploate to right x scale
        mfintST1 = N.interp(xST, mbin0, mf0)
        mfintST2 = N.interp(xST, mbin0SAM, mf0SAM)
        ax2.plot(xST, mfintST1 / yST, 'r-')
        ax2.plot(xST, mfintST2 / yST, 'g-')

        ax1.set_ylim(1e-7, 1e-1)
        ax2.set_ylim(0.45, 1.55)
        ax1.set_xlim(1e9, 1e15)
        ax2.set_xlim(1e9, 1e15)

        ax1.set_xscale('log')
        ax2.set_xscale('log')
        ax1.set_yscale('log')

        ax1.set_xticklabels([])

        ax2.set_xlabel(r'$M_{\mathrm{vir}} \quad [M_{\odot}]$')
        ax1.set_ylabel(r'$\mathrm{d}N / \mathrm{d}M_{\mathrm{vir}} \quad [\mathrm{Mpc}^{-3} \mathrm{dex}^{-1}]$')
        ax2.set_ylabel(r'$\frac{\mathrm{Bolshoi}}{\mathrm{Model}}$')

        ax1.legend((bolshoi, samax, sh),
            ('Bolshoi', 'galpropz', 'Sheth-Tormen'),
                                       shadow=True, fancybox=True, numpoints=1)

        P.savefig(outdir + 'DMMF{0:d}.png'.format(i))
        P.close()