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510 lines
17 KiB
Python
Executable file
510 lines
17 KiB
Python
Executable file
#!/usr/bin/env python
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# prepares input catalogs based on multidark simulations
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# (borrows heavily from generateMock, but doesn't hold much in memory)
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# also creates necessary analyzeVoids input files
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import numpy as np
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import os
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import sys
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import void_python_tools as vp
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import argparse
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# -----------------------------------------------------------------------------
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# -----------------------------------------------------------------------------
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# CONFIGURATION
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# directory for the input simulation/observational particle files
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catalogDir = os.getenv("HOME")+"/workspace/Voids/catalogs/multidark/"
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# path to HOD code
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hodPath = os.getenv("HOME")+"/projects/Voids/hod/HOD.x"
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# where to put the final void catalog, figures, and output logs
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voidOutputDir = os.getenv("HOME")+"/workspace/Voids/multidark/"
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figDir = os.getenv("PWD")+"/../figs/multidark/"
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logDir = os.getenv("PWD")+"/../logs/multidark/"
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# where to place the pipeline scripts
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scriptDir = os.getenv("PWD")+"/multidark/"
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# simulation or observation?
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dataType = "simulation"
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# available formats for simulation: gadget, multidark
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dataFormat = "multidark"
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dataUnit = 1 # as multiple of Mpc/h
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# place particles on the lightcone?
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useLightCone = True
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# common filename of particle files
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particleFileBase = "mdr1_particles_z"
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# list of file numbers for the particle files
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# to get particle file name, we take particleFileBase+fileNum
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fileNums = (("0.0", "0.53", "1.0"))
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# redshift of each file in the above list
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redshifts = (("0.0", "0.53", "1.0"))
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# how many independent slices along the z-axis?
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numSlices = 4
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# how many subdivisions along the x- and y- axis?
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# ( = 2 will make 4 subvolumes for each slice, = 3 will make 9, etc.)
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numSubvolumes = 1
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# prefix to give all outputs
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prefix = "md_"
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# list of desired subsamples
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subSamples = ((0.1, 0.05, 0.01, 0.002, 0.001, 0.0004, 0.0002))
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# simulation information
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numPart = 1024*1024*1024
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lbox = 1000 # Mpc/h
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omegaM = 0.27
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hubble = 0.70
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# END CONFIGURATION
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# -----------------------------------------------------------------------------
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# -----------------------------------------------------------------------------
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LIGHT_SPEED = 299792.458
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parser = argparse.ArgumentParser(description='options')
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parser.add_argument('--scripts', dest='script', action='store_const',
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const=True, default=False,
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help='write scripts')
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parser.add_argument('--subsamples', dest='subsample', action='store_const',
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const=True, default=False,
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help='write subsamples')
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parser.add_argument('--halos', dest='halos', action='store_const',
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const=True, default=False,
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help='write halos')
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parser.add_argument('--hod', dest='hod', action='store_const',
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const=True, default=False,
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help='write hos')
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parser.add_argument('--all', dest='all', action='store_const',
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const=True, default=False,
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help='write everything')
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args = parser.parse_args()
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#------------------------------------------------------------------------------
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def getSampleName(setName, redshift, useVel, iSlice=-1, iVol=-1):
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sampleName = setName
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#if useVel: sampleName += "_pv"
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sampleName += "_z" + redshift
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#if iSlice != -1: sampleName += "_s" + str(iSlice)
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if iVol != -1: sampleName += "_d" + iVol
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return sampleName
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#------------------------------------------------------------------------------
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# for given dataset parameters, outputs a script for use with analyzeVoids
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def writeScript(setName, dataFileNameBase,
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scriptDir, catalogDir, fileNums, redshifts, numSubvolumes,
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numSlices, useVel, lbox, minRadius, omegaM, subsample=1.0,
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suffix=".dat"):
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if useVel: setName += "_pv"
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scriptFileName = scriptDir + "/" + setName + ".py"
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scriptFile = open(scriptFileName, 'w')
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scriptFile.write("""#!/usr/bin/env/python
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import os
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from void_python_tools.backend.classes import *
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continueRun = False
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startCatalogStage = 1
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endCatalogStage = 4
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startAPStage = 1
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endAPStage = 7
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ZOBOV_PATH = os.getenv("PWD")+"/../zobov/"
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CTOOLS_PATH = os.getenv("PWD")+"/../c_tools/"
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freshStack = True
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errorBars = "CALCULATED"
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numIncoherentRuns = 100
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ranSeed = 101010
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useLCDM = False
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bias = 1.16
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dataPortions = ["central"]
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dataSampleList = []
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""")
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dataInfo = """
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setName = "{setName}"
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workDir = "{voidOutputDir}/{setName}/"
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inputDataDir = "{inputDataDir}"
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figDir = "{figDir}/{setName}/"
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logDir = "{logDir}/{setName}/"
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"""
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scriptFile.write(dataInfo.format(setName=setName, figDir=figDir,
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logDir=logDir, voidOutputDir=voidOutputDir,
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inputDataDir=catalogDir))
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sampleInfo = """
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newSample = Sample(dataFile = "{dataFile}",
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dataFormat = "{dataFormat}",
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dataUnit = {dataUnit},
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fullName = "{sampleName}",
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nickName = "{sampleName}",
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dataType = "simulation",
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zBoundary = ({zMin}, {zMax}),
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zRange = ({zMin}, {zMax}),
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zBoundaryMpc = ({zMinMpc}, {zMaxMpc}),
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omegaM = {omegaM},
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minVoidRadius = {minRadius},
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includeInHubble = True,
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partOfCombo = False,
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isCombo = False,
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boxLen = {boxLen},
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usePecVel = {usePecVel},
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numSubvolumes = {numSubvolumes},
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mySubvolume = "{mySubvolume}",
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numSubDivisions = 4,
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useLightCone = {useLightCone},
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subsample = {subsample})
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dataSampleList.append(newSample)
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newSample.addStack({zMin}, {zMax}, {minRadius} , {minRadius}+2, True, False)
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newSample.addStack({zMin}, {zMax}, {minRadius} , {minRadius}+4, True, False)
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newSample.addStack({zMin}, {zMax}, {minRadius}+2, {minRadius}+6, True, False)
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newSample.addStack({zMin}, {zMax}, {minRadius}+6, {minRadius}+10, True, False)
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newSample.addStack({zMin}, {zMax}, {minRadius}+10, {minRadius}+18, True, False)
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newSample.addStack({zMin}, {zMax}, {minRadius}+18, {minRadius}+24, True, False)
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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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boxMaxMpc = zBoxMpc + lbox
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# converter from redshift to comoving distance
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zVsDY = np.linspace(0., zBox+8*lbox*100./LIGHT_SPEED, 10000)
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zVsDX = np.zeros(len(zVsDY))
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for i in xrange(len(zVsDY)):
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zVsDX[i] = vp.angularDiameter(zVsDY[i], Om=Om)
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if useLightCone:
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boxWidthZ = np.interp(vp.angularDiameter(zBox,Om=Om)+100. / \
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LIGHT_SPEED*lbox, zVsDX, zVsDY)-zBox
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dzSafe = 0.03
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else:
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boxWidthZ = lbox*100./LIGHT_SPEED
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dzSafe = 0.0
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for iSlice in xrange(numSlices):
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sliceMin = zBox + dzSafe + iSlice*(boxWidthZ-dzSafe)/numSlices
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sliceMax = zBox + dzSafe + (iSlice+1)*(boxWidthZ-dzSafe)/numSlices
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sliceMinMpc = sliceMin*LIGHT_SPEED/100.
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sliceMaxMpc = sliceMax*LIGHT_SPEED/100.
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sliceMin = "%0.2f" % sliceMin
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sliceMax = "%0.2f" % sliceMax
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sliceMinMpc = "%0.1f" % sliceMinMpc
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sliceMaxMpc = "%0.1f" % sliceMaxMpc
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dataFileName = dataFileNameBase + fileNum + suffix
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for iX in xrange(numSubvolumes):
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for iY in xrange(numSubvolumes):
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mySubvolume = "%d%d" % (iX, iY)
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sampleName = getSampleName(setName, sliceMin, useVel,
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iSlice=iSlice, iVol=mySubvolume)
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scriptFile.write(sampleInfo.format(dataFile=dataFileName,
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dataFormat=dataFormat,
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dataUnit=dataUnit,
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sampleName=sampleName,
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zMin=sliceMin,
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zMax=sliceMax,
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zMinMpc=sliceMinMpc,
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zMaxMpc=sliceMaxMpc,
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omegaM=Om,
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boxLen=lbox,
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usePecVel=useVel,
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minRadius=minRadius,
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numSubvolumes=numSubvolumes,
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mySubvolume=mySubvolume,
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useLightCone=useLightCone,
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subsample=subsample))
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scriptFile.close()
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return
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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if not os.access(scriptDir, os.F_OK): os.mkdir(scriptDir)
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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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baseResolution = float(numPart)/lbox/lbox/lbox # particles/Mpc^3
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for thisSubSample in subSamples:
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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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setName = prefix+"ss"+str(thisSubSample)
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if dataFormat == "multidark":
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writeScript(setName, "md.ss"+str(thisSubSample)+"_z",
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scriptDir, catalogDir, fileNums,
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redshifts,
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numSubvolumes, numSlices, False, lbox, minRadius, omegaM,
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subsample=1.0)
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writeScript(setName, "md.ss"+str(thisSubSample)+"_z",
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scriptDir, catalogDir,
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fileNums,
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redshifts, numSubvolumes, numSlices, True, lbox, minRadius,
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omegaM, subsample=1.0)
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elif dataFormat == "gadget":
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writeScript(setName, particleFileBase, scriptDir, catalogDir, fileNums,
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redshifts,
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numSubvolumes, numSlices, False, lbox, minRadius, omegaM,
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subsample=thisSubSample, suffix="")
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writeScript(setName, particleFileBase, scriptDir, catalogDir, fileNums,
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redshifts,
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numSubvolumes, numSlices, True, lbox, minRadius, omegaM,
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subsample=thisSubSample, suffix="")
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if args.subsample or args.all:
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print " Doing subsample", thisSubSample
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for (iRedshift, redshift) in enumerate(redshifts):
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print " redshift", redshift
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dataFile = catalogDir+"/"+particleFileBase+fileNums[iRedshift]
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inFile = open(dataFile, 'r')
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sampleName = "md.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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outFile.write("%s" %(omegaM))
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outFile.write("%s" %(hubble))
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outFile.write("%s\n" %(redshift))
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outFile.write("%d\n" %(maxKeep))
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numKept = 0
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for line in inFile:
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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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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("%e %e %e %e\n" %(x,y,z,vz))
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outFile.write("-99 -99 -99 -99\n")
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print "KEEPING:", numKept, "...predicted:", maxKeep
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inFile.close()
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outFile.close()
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# -----------------------------------------------------------------------------
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# now halos
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if args.script or args.all:
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print " Doing halo scripts"
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dataFile = catalogDir+"/mdr1_halos_z"+fileNums[0]
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inFile = open(dataFile, 'r')
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numPart = 0
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for line in inFile: numPart += 1
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inFile.close()
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minRadius = 2*int(np.ceil(lbox/numPart**(1./3.)))
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if dataFormat == "multidark":
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setName = prefix+"halos"
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writeScript(setName, "md.halos_z", scriptDir, catalogDir, fileNums,
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redshifts,
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numSubvolumes, numSlices, False, lbox, minRadius, omegaM)
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writeScript(setName, "md.halos_z", scriptDir, catalogDir, fileNums,
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redshifts, numSubvolumes,
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numSlices, True, lbox, minRadius, omegaM)
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if args.halos or args.all:
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print " Doing halos"
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for (iRedshift, redshift) in enumerate(redshifts):
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print " z = ", redshift
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dataFile = catalogDir+"/mdr1_halos_z"+fileNums[iRedshift]
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inFile = open(dataFile, 'r')
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numPart = 0
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for line in inFile: numPart += 1
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inFile.close()
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sampleName = "md.halos_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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outFile.write("%s" %(omegaM))
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outFile.write("%s" %(hubble))
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outFile.write("%s\n" %(redshift))
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outFile.write("%d\n" %(numPart))
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inFile = open(dataFile, 'r')
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numKept = 0
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for line in inFile:
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numKept += 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[5])
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# write to output file
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outFile.write("%e %e %e %e\n" %(x,y,z,vz))
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inFile.close()
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outFile.close()
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# -----------------------------------------------------------------------------
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# now the SDSS HOD
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parFileText = """
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% cosmology
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OMEGA_M {omegaM}
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HUBBLE {hubble}
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OMEGA_B 0.0469
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SIGMA_8 0.82
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SPECTRAL_INDX 0.95
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ITRANS 5
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REDSHIFT {redshift}
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% halo definition
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%DELTA_HALO 200
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DELTA_HALO 740.74 % 200/Om_m
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M_max 1.00E+16
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% fit function types
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pdfs 11
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pdfc 2
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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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M1 {M1}
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sigma_logM {sigma_logM}
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alpha {alpha}
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M_cut {Mcut}
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% simulation info
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real_space_xi 1
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HOD 1
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populate_sim 1
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HaloFile {haloFile}
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RESOLUTION {numPartPerSide}
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BOX_SIZE {boxSize}
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% output
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root_filename hod
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"""
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if args.script or args.all:
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print " Doing DR7 HOD scripts"
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if dataFormat == "multidark":
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setName = prefix+"hod_dr72dim2"
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writeScript(setName, "md.hod_dr72dim2_z",
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scriptDir, catalogDir, fileNums, redshifts,
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numSubvolumes, numSlices, False, lbox, 5, omegaM)
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writeScript(setName, "md.hod_dr72dim2_z",
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scriptDir, catalogDir, fileNums, redshifts,
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numSubvolumes, numSlices, True, lbox, 5, omegaM)
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if args.hod or args.all:
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print " Doing DR7 HOD"
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for (iRedshift, redshift) in enumerate(redshifts):
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print " z = ", redshift
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parFileName = "./hod.par"
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parFile = open(parFileName, 'w')
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haloFile = catalogDir+"/mdr1_halos_z"+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=1.99526e12,
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M1=3.80189e13,
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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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haloFile=haloFile,
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numPartPerSide=numPart**(1/3.),
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boxSize=lbox))
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parFile.close()
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os.system(hodPath+" "+parFileName+">& /dev/null")
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sampleName = getSampleName("md.hod_dr72dim2", redshift, False)
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outFileName = catalogDir+"/"+sampleName+".dat"
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os.system("mv hod.mock" + " " + outFileName)
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os.system("rm ./hod.*")
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# -----------------------------------------------------------------------------
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# now the BOSS HOD
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if args.script or args.all:
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print " Doing DR9 HOD scripts"
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if dataFormat == "multidark":
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setName = prefix+"hod_dr9mid"
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writeScript(setName, "md.hod_dr9mid_z",
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scriptDir, catalogDir, fileNums, redshifts,
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numSubvolumes, numSlices, False, lbox, 5, omegaM)
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writeScript(prefix, "md.hod_dr9mid_z",
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scriptDir, catalogDir, fileNums, redshifts,
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numSubvolumes, numSlices, True, lbox, 5, omegaM)
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if args.hod or args.all:
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print " Doing DR9 HOD"
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for (iRedshift, redshift) in enumerate(redshifts):
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print " z = ", redshift
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parFileName = "./hod.par"
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parFile = open(parFileName, 'w')
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haloFile = catalogDir+"/mdr1_halos_z"+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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M1=1.e14,
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sigma_logM=0.596,
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alpha=1.0127,
|
|
Mcut=1.19399e13,
|
|
haloFile=haloFile,
|
|
numPartPerSide=numPart**(1/3.),
|
|
boxSize=lbox))
|
|
parFile.close()
|
|
|
|
os.system(hodPath+" "+parFileName+">& /dev/null")
|
|
|
|
sampleName = getSampleName("md.hod_dr9mid", redshift, False)
|
|
outFileName = catalogDir+"/"+sampleName+".dat"
|
|
os.system("mv hod.mock" + " " + outFileName)
|
|
|
|
os.system("rm ./hod.*")
|
|
|
|
|