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better handing of HOD
This commit is contained in:
P.M. Sutter
parent
2cdfce6cbf
commit
dee217babf
2 changed files with 49 additions and 28 deletions
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@ -50,14 +50,14 @@ prefix = "md_"
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# list of desired subsamples - these are in unts of h Mpc^-3!
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#subSamples = [0.0004]
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subSamples = ((0.1, 0.05, 0.01, 0.002, 0.001, 0.0004, 0.0002))
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subSamples = ((0.1, 0.05, 0.01, 0.002, 0.001, 0.0004, 0.000175, 0.00001))
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# common filename of halo files, leave blank to ignore halos
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haloFileBase = "mdr1_halos_z"
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# minimum halo mass cuts to apply for the halo catalog
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# use "none" to get all halos
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minHaloMasses = (("none", 2e12, 1.23e13))
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minHaloMasses = ["none", 1.2e13]
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# locations of data in the halo catalog
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haloFileMCol = 6
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@ -82,8 +82,7 @@ lbox = 1000 # Mpc/h
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omegaM = 0.27
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hubble = 0.70
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# the mask file which is used by applyMaskToMock
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maskFileName = os.getenv("HOME")+"/workspace/Voids/catalogs/boss/boss_mask_final.fits"
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galDens = 0.000225
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# END CONFIGURATION
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# -----------------------------------------------------------------------------
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@ -144,6 +144,7 @@ newSample.addStack({zMin}, {zMax}, 2*{minRadius}+18, 2*{minRadius}+24, True, Fal
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"""
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for (iFile, redshift) in enumerate(redshifts):
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fileNum = fileNums[iFile]
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zBox = float(redshift)
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Om = float(omegaM)
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zBoxMpc = LIGHT_SPEED/100.*vp.angularDiameter(zBox, Om=Om)
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@ -214,20 +215,21 @@ if not os.access(catalogDir, os.F_OK): os.mkdir(catalogDir)
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#------------------------------------------------------------------------------
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# first the directly downsampled runs
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# Note: ss0.002 ~ SDSS DR7 dim2
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# ss0.0004 ~ SDSS DR9 mid
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# ss0.000175 ~ SDSS DR9 mid
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baseResolution = float(numPart)/lbox/lbox/lbox # particles/Mpc^3
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for thisSubSample in subSamples:
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prevSubSample = -1
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for thisSubSample in sorted(subSamples, reverse=True):
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keepFraction = float(thisSubSample) / baseResolution
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maxKeep = keepFraction * numPart
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minRadius = int(np.ceil(lbox/maxKeep**(1./3)))
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if args.script or args.all:
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print " Doing subsample", thisSubSample, " scripts"
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print " Doing subsample", thisSubSample, "scripts"
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setName = prefix+"ss"+str(thisSubSample)
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if dataFormat == "multidark":
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subSampleToUse = 1.0
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fileToUse = "md.ss"+str(thisSubSample)+"_z"
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fileToUse = prefix+"ss"+str(thisSubSample)+"_z"
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suffix = ".dat"
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elif dataFormat == "gadget":
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subSampleToUse = thisSubSample
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@ -258,10 +260,19 @@ for thisSubSample in subSamples:
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print " redshift", redshift
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if dataFormat == "multidark":
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# reuse previous subamples in order to:
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# - preserve unique IDs across multiple subsamples
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# - reuse smaller files for faster processing
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if prevSubSample == -1:
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dataFile = catalogDir+"/"+particleFileBase+fileNums[iRedshift]
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else:
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sampleName = prefix+"ss"+str(prevSubSample)+"_z"+redshift
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dataFile = catalogDir+"/"+sampleName+".dat"
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keepFraction = float(thisSubSample) / float(prevSubSample)
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inFile = open(dataFile, 'r')
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sampleName = "md.ss"+str(thisSubSample)+"_z"+redshift
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sampleName = prefix+"ss"+str(thisSubSample)+"_z"+redshift
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outFile = open(catalogDir+"/"+sampleName+".dat", 'w')
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outFile.write("%f\n" %(lbox))
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@ -272,16 +283,22 @@ for thisSubSample in subSamples:
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numKept = 0
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for (i,line) in enumerate(inFile):
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if (prevSubSample != -1 and i < 5): continue # skip header
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if np.random.uniform() > keepFraction: continue
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numKept += 1
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if numKept > maxKeep: break
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if (prevSubSample == -1):
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line = line.split(',')
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x = float(line[0])
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y = float(line[1])
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z = float(line[2])
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vz = float(line[3])
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outFile.write("%d %e %e %e %e\n" %(i,x,y,z,vz))
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uniqueID = i
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outFile.write("%d %e %e %e %e\n" %(uniqueID,x,y,z,vz))
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else:
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outFile.write(line)
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outFile.write("-99 -99 -99 -99 -99\n")
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inFile.close()
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@ -307,13 +324,15 @@ for thisSubSample in subSamples:
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outFile.write("-99 -99 -99 -99 -99\n")
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outFile.close()
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prevSubSample = thisSubSample
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# -----------------------------------------------------------------------------
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# now halos
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if (args.script or args.all) and haloFileBase != "":
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print " Doing halo scripts"
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for minHaloMass in minHaloMasses:
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print " Doing halo script", minHaloMass
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# estimate number of halos to get density
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dataFile = catalogDir+haloFileBase+fileNums[0]
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inFile = open(dataFile, 'r')
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@ -406,7 +425,7 @@ EXCLUSION 4
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% hod parameters
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M_min {Mmin}
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GALAXY_DENSITY 0.0111134 % computed automatically if M_min set, use for sanity
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GALAXY_DENSITY {galden} % computed automatically if M_min set, use for sanity
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M1 {M1}
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sigma_logM {sigma_logM}
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alpha {alpha}
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@ -451,6 +470,7 @@ if (args.hod or args.all) and haloFileBase != "":
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sigma_logM=0.21,
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alpha=1.12,
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Mcut=6.91831e11,
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galden=0.02,
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haloFile=haloFile,
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haloFileFormat=dataFormat,
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numPartPerSide=numPart**(1/3.),
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@ -458,14 +478,13 @@ if (args.hod or args.all) and haloFileBase != "":
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workDir=catalogDir))
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parFile.close()
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os.system(hodPath+" "+parFileName+">& /dev/null")
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sampleName = getSampleName(prefix+"hod_dr72dim2", redshift, False)
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outFileName = catalogDir+"/"+sampleName+".dat"
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os.system("mv %s/hod.mock %s" % (catalogDir, outFileName))
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os.system("rm %s/hod.*" % catalogDir)
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os.system("rm %s/hod-*" % catalogDir)
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# os.system(hodPath+" "+parFileName+">& /dev/null")
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#
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# sampleName = getSampleName(prefix+"hod_dr72dim2", redshift, False)
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# outFileName = catalogDir+"/"+sampleName+".dat"
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# os.system("mv %s/hod.mock %s" % (catalogDir, outFileName))
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#
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# os.system("rm %s/hod.*" % catalogDir)
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# -----------------------------------------------------------------------------
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# now the BOSS HOD
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@ -485,17 +504,21 @@ if (args.hod or args.all) and haloFileBase != "":
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print " z = ", redshift
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# these parameters come from Manera et al 2012, eq. 26
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# modified to match the observed galaxy density
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parFileName = "./hod.par"
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parFile = open(parFileName, 'w')
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haloFile = catalogDir+haloFileBase+fileNums[iRedshift]
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parFile.write(parFileText.format(omegaM=omegaM,
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hubble=hubble,
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redshift=redshift,
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Mmin=1.23e13,
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Mmin=0.0,
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#Mmin=1.23e13,
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M1=1.e14,
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sigma_logM=0.596,
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alpha=1.0127,
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Mcut=1.19399e13,
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galden=galDens,
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#galden=0.000225,
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haloFile=haloFile,
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haloFileFormat=dataFormat,
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numPartPerSide=numPart**(1/3.),
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@ -510,4 +533,3 @@ if (args.hod or args.all) and haloFileBase != "":
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os.system("mv %s/hod.mock %s" % (catalogDir, outFileName))
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os.system("rm %s/hod.*" % catalogDir)
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os.system("rm %s/hod-*" % catalogDir)
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