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galaxy_clustering_test.py
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import json
import numpy as np
import pandas as pd
import pickle
import matplotlib.pyplot as plt
from mpl_toolkits.axes_grid1.inset_locator import inset_axes, zoomed_inset_axes, mark_inset
from matplotlib.lines import Line2D
from halotools.mock_observables import return_xyz_formatted_array
from halotools.mock_observables import wp# , tpcf
import eagle_IO.eagle_IO as E
from sim_details import mlcosmo
h = 0.6777
mlc = mlcosmo(ini='config/config_cosma_L0100N1504.ini')
nthr = 4
fnames = [#'obs_data/farrow15-8.5-mass-9.5-2.00E-02-z-0.14-wprp.dat',
'obs_data/farrow15-9.5-mass-10.0-2.00E-02-z-0.14-wprp.dat',
'obs_data/farrow15-10.0-mass-10.5-2.00E-02-z-0.14-wprp.dat',
'obs_data/farrow15-10.5-mass-11.0-2.00E-02-z-0.14-wprp.dat',
'obs_data/farrow15-11.0-mass-11.5-0.24-z-0.35-wprp.dat']
## P-Millennium
dmo = pd.read_csv('output/PMillennium_z000p101_dmo.csv')
# pmill_V = 800**3 # (100 / 0.6777)**3
# dmo = pd.read_csv('output/PMillennium_z000p101_dmo_subset.csv')
# pmill_V = (100 / 0.6777)**3
dmo = dmo.loc[(dmo['M_DM'] > 1e10) & (dmo['FOF_Group_M_Crit200_DM'] > 5e9)].reset_index(drop=True)
dmo['PotentialEnergy_DM'] *= 1e-2
coods_pmill = np.array(dmo[['SubPos_x','SubPos_y','SubPos_z']]) * h
mlc = mlcosmo(ini='config/config_cosma_L0050N0752.ini')
output_name = mlc.sim_name + '_zoom'
model_dir = 'models/'
etree, features, predictors, feature_scaler, predictor_scaler, eagle =\
pickle.load(open(model_dir + output_name + '_' + mlc.tag + '_ert.model', 'rb'))
galaxy_pred_L0050_zoom = pd.DataFrame(predictor_scaler.inverse_transform(\
etree.predict(feature_scaler.transform(\
dmo[features]))),columns=predictors)
from sklearn.isotonic import IsotonicRegression
ir = IsotonicRegression(out_of_bounds="clip")
feat = 'M_DM' # 'Vmax_DM'
pred = 'Stars_Mass_EA'
_new_x = np.log10(dmo[feat])
# p = np.polyfit(np.log10(eagle[feat]), eagle[pred], deg=1)
# sham_pred = p[0]*_new_x + p[1]
ir.fit(np.log10(eagle[feat]), eagle[pred])
sham_pred = ir.predict(_new_x)
rp_binlims = np.logspace(-1.5,2.1,19)
rp_bins = np.logspace(-1.4,2.0,18)
# coods_ref = E.read_array("SUBFIND", mlc.sim_hydro, mlc.tag,
# "Subhalo/CentreOfPotential",
# numThreads=nthr, noH=False, physicalUnits=False)
#
# mstar_ref = np.log10(E.read_array("SUBFIND", mlc.sim_hydro, mlc.tag,
# "Subhalo/ApertureMeasurements/Mass/030kpc",
# numThreads=nthr, noH=True)[:,4] * mlc.unitMass * h**2)
#
# wp_all = {}
# wp_tiles = {}
#
# for mstar,coods,Lbox,label,rp_max in zip(
# [mstar_ref,galaxy_pred_L0050_zoom['Stars_Mass_EA'],
# galaxy_pred_L100['Stars_Mass_EA']],
# [coods_ref, coods_pmill, coods_l100],
# [100*h, 800*h, 100*h], #100],
# ['Ref-100','Pmill','L100'],
# [10**1.1, 10**2, 10**1.1]): #10**1.5]):
# for mstar,coods,Lbox,label,rp_max in zip([galaxy_pred_L100_hydro['Stars_Mass_EA']],
# [coods_l100_hydro],[100*h],
# ['L100_hydro'],[10**1.1]):
for mstar,coods,Lbox,label,rp_max in zip([sham_pred],
[coods_pmill],[800*h],
['SHAM'],[10**2]):
print(label)
wp_all[label] = {}
wp_tiles[label] = {}
for lim in [9.5, 10, 10.5, 11]:
pi_max = 20.;
_rp_binlims = rp_binlims[rp_binlims < rp_max]
_rp_bins = rp_bins[:len(_rp_binlims)-1]
mask = (mstar > lim) & (mstar < lim+0.5)
print("N_gals:", np.sum(mask))
all_positions = return_xyz_formatted_array(coods[mask,0], coods[mask,1], coods[mask,2])
wp_all[label][str(lim)] = wp(all_positions, _rp_binlims, pi_max, period=Lbox,
num_threads='max').tolist()
wp_tiles[label][str(lim)] = np.zeros((8,len(_rp_bins)))
## calculate jack knife errors
for i,(x_lo,x_hi,y_lo,y_hi,z_lo,z_hi) in \
enumerate(zip([0, 0, Lbox/2, Lbox/2, 0, 0, Lbox/2, Lbox/2],
[Lbox/2, Lbox/2, Lbox, Lbox, Lbox/2, Lbox/2, Lbox, Lbox],
[0, Lbox/2, Lbox/2, 0, 0, Lbox/2, Lbox/2, 0],
[Lbox/2, Lbox, Lbox, Lbox/2, Lbox/2, Lbox, Lbox, Lbox/2],
[0, 0, 0, 0, Lbox/2, Lbox/2, Lbox/2, Lbox/2],
[Lbox/2, Lbox/2, Lbox/2, Lbox/2, Lbox, Lbox, Lbox, Lbox])):
mask = (mstar > lim) & (mstar < lim+0.5)
mask = mask & np.invert((coods[:,0] > x_lo) & (coods[:,0] < x_hi) &\
(coods[:,1] > y_lo) & (coods[:,1] < y_hi) &\
(coods[:,2] > z_lo) & (coods[:,2] < z_hi))
all_positions = return_xyz_formatted_array(coods[mask,0], coods[mask,1], coods[mask,2])
wp_tiles[label][str(lim)][i] = wp(all_positions, _rp_binlims, pi_max,
period=Lbox, num_threads='max')
wp_tiles[label][str(lim)] = wp_tiles[label][str(lim)].tolist()
with open('output/clustering_wp_all.json', 'w') as outfile:
json.dump(wp_all, outfile)
with open('output/clustering_wp_tiles.json', 'w') as outfile:
json.dump(wp_tiles, outfile)
with open('output/clustering_wp_all.json', 'r') as outfile:
wp_all = json.load(outfile)
with open('output/clustering_wp_tiles.json', 'r') as outfile:
wp_tiles = json.load(outfile)
# fig, (ax1,ax2,ax3,ax4) = plt.subplots(1,4,figsize=(15,5))
fig, ((ax1,ax2),(ax3,ax4)) = plt.subplots(2,2,figsize=(13,10))
plt.subplots_adjust(wspace=0.03, hspace=0.03)
# ax2B = inset_axes(ax2, width='40%', height='30%', loc=3)
ax2B = zoomed_inset_axes(ax2, zoom=2.3, loc=3)
for ax,lim,fname in zip([ax1,ax2,ax3,ax4], ['9.5', '10', '10.5', '11'], fnames):
for Lbox,label,pretty_label,c,rp_max in zip([100*h, 800*h, 100*h, 100*h, 800*h],
['Ref-100','Pmill','L100','L100_hydro','SHAM'],
['L100Ref','L050AGN+Zoom\n(Prediction on\nP-Millennium)',
'L050AGN+Zoom\n(Prediction on\nL100)','L100 Hydro','SHAM'],
['C0','C1','C3','C4','C5'],
[10**1.1, 10**2, 10**1.1, 10**1.1, 10**2]):
if (label in ['L100','L100_hydro']) & (lim != '10'): continue
if (label in ['Ref-100']) & (lim == '11'): continue
_rp_binlims = rp_binlims[rp_binlims < rp_max]
_rp_bins = rp_bins[:len(_rp_binlims)-1]
sigma = np.sqrt(np.sum((np.array(wp_all[label][lim]) - \
np.array(wp_tiles[label][lim]))**2, axis=0) \
* (len(np.array(wp_tiles[label][lim])) - 1)/\
len(np.array(wp_tiles[label][lim]))) / _rp_bins
_y = np.array(wp_all[label][lim]) / _rp_bins
err = np.array([np.log10(_y) - np.log10(_y - sigma), np.log10(_y + sigma) - np.log10(_y)])
uplims = np.isnan(err[0])
err[np.isnan(err)] = 0.5
ax.errorbar(np.log10(_rp_bins), np.log10(wp_all[label][lim] / _rp_bins),
yerr=err, capsize=2, c=c)
ax.errorbar(np.log10(_rp_bins), np.log10(wp_all[label][lim] / _rp_bins),
yerr=err, label=pretty_label, capsize=2, uplims=uplims, c=c)
if lim=='10':
ax2B.errorbar(np.log10(_rp_bins), np.log10(wp_all[label][lim] / _rp_bins),
yerr=err,capsize=2, c=c)
ax2B.errorbar(np.log10(_rp_bins), np.log10(wp_all[label][lim] / _rp_bins),
yerr=err, label=pretty_label, capsize=2, uplims=uplims, c=c)
## obs data
_dat = np.loadtxt(fname)
ax.fill_between(np.log10(_dat[:,0]), np.log10((_dat[:,1]-_dat[:,2])/_dat[:,0]),
np.log10((_dat[:,1]+_dat[:,2])/_dat[:,0]),
alpha=0.5, color='grey')
ax.plot(np.log10(_dat[:,0]), np.log10(_dat[:,1]/_dat[:,0]), label='GAMA', color='black')
if lim == '10':
ax2B.fill_between(np.log10(_dat[:,0]), np.log10((_dat[:,1]-_dat[:,2])/_dat[:,0]),
np.log10((_dat[:,1]+_dat[:,2])/_dat[:,0]),
alpha=0.5, color='grey')
ax2B.plot(np.log10(_dat[:,0]), np.log10(_dat[:,1]/_dat[:,0]),
label='GAMA', color='black')
ax.text(0.93, 0.92, '$%.1f < \mathrm{log_{10}}(M_{\star} / M_{\odot} h^{-2}) < %.1f$'%\
(float(lim),float(lim)+0.5), transform=ax.transAxes, size=13, horizontalalignment='right')
ax.set_xlim(-1.7,2); ax.set_ylim(-3.5,5)
ax.grid(alpha=0.4)
ax2B.set_xlim(-1.42, -0.75); ax2B.set_ylim(2.8, 4.7)
ax2B.grid(alpha=0.4)
mark_inset(ax2, ax2B, loc1=2, loc2=1, fc="none", ec="0.5")
for ax in [ax2,ax4,ax2B]: ax.set_yticklabels([])
for ax in [ax1,ax2,ax2B]: ax.set_xticklabels([])
for ax in [ax1,ax3]: ax.set_ylabel('$\mathrm{log_{10}}(w_{p}(r_{p})\,/\,r_{p})$', size=13)
for ax in [ax3,ax4]: ax.set_xlabel('$\mathrm{log_{10}}(r_{p} \,/\, h^{-1} \mathrm{Mpc})$', size=13)
lineGAMA = Line2D([0], [0], color='black')
lineA = Line2D([0], [0], color='C0')
lineB = Line2D([0], [0], color='C1')
lineC = Line2D([0], [0], color='C3')
lineD = Line2D([0], [0], color='C4')
lineE = Line2D([0], [0], color='C5')
ax1.legend([lineGAMA, lineA, lineB, lineE],
['GAMA','L100Ref','L050AGN+Zoom\n(Prediction on\nP-Millennium)', 'SHAM'],loc='lower left')
ax2.legend([lineC, lineD],
['L050AGN+Zoom\n(Prediction on\nL100 DMO)','L050AGN+Zoom\n(Prediction on\nL100 hydro)'],
loc=(0.63,0.58))
plt.show()
# plt.savefig('plots/clustering.png', dpi=200, bbox_inches='tight')
### Single appendix plot
# fig, (ax1,ax2,ax3,ax4) = plt.subplots(1,4,figsize=(15,5))
fig, ax = plt.subplots(1, 1, figsize=(6, 5))
lim = '11'
fname = 'obs_data/farrow15-11.0-mass-11.5-0.24-z-0.35-wprp.dat'
for Lbox,label,pretty_label,c,rp_max in zip([100*h, 800*h, 100*h, 100*h, 800*h],
['Ref-100','Pmill','L100','L100_hydro','SHAM'],
['L100Ref','L050AGN+Zoom\n(Prediction on\nP-Millennium)',
'L050AGN+Zoom\n(Prediction on\nL100)','L100 Hydro','SHAM'],
['C0','C0','C3','C4','C5'],
[10**1.1, 10**2, 10**1.1, 10**1.1, 10**2]):
if (label in ['L100','L100_hydro']) & (lim != '10'): continue
if (label in ['Ref-100']) & (lim == '11'): continue
_rp_binlims = rp_binlims[rp_binlims < rp_max]
_rp_bins = rp_bins[:len(_rp_binlims)-1]
sigma = np.sqrt(np.sum((np.array(wp_all[label][lim]) - \
np.array(wp_tiles[label][lim]))**2, axis=0) \
* (len(np.array(wp_tiles[label][lim])) - 1)/\
len(np.array(wp_tiles[label][lim]))) / _rp_bins
_y = np.array(wp_all[label][lim]) / _rp_bins
err = np.array([np.log10(_y) - np.log10(_y - sigma), np.log10(_y + sigma) - np.log10(_y)])
uplims = np.isnan(err[0])
err[np.isnan(err)] = 0.5
ax.errorbar(np.log10(_rp_bins), np.log10(wp_all[label][lim] / _rp_bins),
yerr=err, capsize=2, c=c)
ax.errorbar(np.log10(_rp_bins), np.log10(wp_all[label][lim] / _rp_bins),
yerr=err, label=pretty_label, capsize=2, uplims=uplims, c=c)
if lim=='10':
ax2B.errorbar(np.log10(_rp_bins), np.log10(wp_all[label][lim] / _rp_bins),
yerr=err,capsize=2, c=c)
ax2B.errorbar(np.log10(_rp_bins), np.log10(wp_all[label][lim] / _rp_bins),
yerr=err, label=pretty_label, capsize=2, uplims=uplims, c=c)
## obs data
_dat = np.loadtxt(fname)
ax.fill_between(np.log10(_dat[:,0]), np.log10((_dat[:,1]-_dat[:,2])/_dat[:,0]),
np.log10((_dat[:,1]+_dat[:,2])/_dat[:,0]),
alpha=0.5, color='grey')
ax.plot(np.log10(_dat[:,0]), np.log10(_dat[:,1]/_dat[:,0]), label='GAMA', color='black')
if lim == '10':
ax2B.fill_between(np.log10(_dat[:,0]), np.log10((_dat[:,1]-_dat[:,2])/_dat[:,0]),
np.log10((_dat[:,1]+_dat[:,2])/_dat[:,0]),
alpha=0.5, color='grey')
ax2B.plot(np.log10(_dat[:,0]), np.log10(_dat[:,1]/_dat[:,0]),
label='GAMA', color='black')
ax.text(0.93, 0.92, '$%.1f < \mathrm{log_{10}}(M_{\star} / M_{\odot} h^{-2}) < %.1f$'%\
(float(lim),float(lim)+0.5), transform=ax.transAxes, size=13, horizontalalignment='right')
ax.set_xlim(-1.7,2); ax.set_ylim(-3.5,5)
ax.grid(alpha=0.4)
ax.set_ylabel('$\mathrm{log_{10}}(w_{p}(r_{p})\,/\,r_{p})$', size=13)
ax.set_xlabel('$\mathrm{log_{10}}(r_{p} \,/\, h^{-1} \mathrm{Mpc})$', size=13)
lineGAMA = Line2D([0], [0], color='black')
lineA = Line2D([0], [0], color='C0')
lineB = Line2D([0], [0], color='C0')
lineC = Line2D([0], [0], color='C3')
lineD = Line2D([0], [0], color='C4')
lineE = Line2D([0], [0], color='C5')
ax.legend([lineGAMA, lineB, lineE],
['GAMA','ERT model (L050AGN+Zoom)', 'Isotonic model'],loc='lower left')
# ax2.legend([lineC, lineD],
# ['L050AGN+Zoom\n(Prediction on\nL100 DMO)','L050AGN+Zoom\n(Prediction on\nL100 hydro)'],
# loc=(0.63,0.58))
plt.show()
# plt.savefig('plots/clustering_appendix.png', dpi=200, bbox_inches='tight')