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added voidID property to particles in catalog output

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This commit is contained in:
Paul M. Sutter 2025-03-22 19:28:14 -04:00
parent 326756b2bc
commit 4c6ec4ba82
1 changed files with 42 additions and 27 deletions
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29
python_source/voidUtil/catalogUtil.py
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@ -295,6 +295,7 @@ class Catalog:
boxLen = np.zeros((3)) boxLen = np.zeros((3))
ranges = np.zeros((3,2)) ranges = np.zeros((3,2))
part = None part = None
partPos = None
zones2Parts = None zones2Parts = None
void2Zones = None void2Zones = None
voids = None voids = None
@ -302,13 +303,14 @@ class Catalog:
# ----------------------------------------------------------------------------- # -----------------------------------------------------------------------------
def loadVoidCatalog(sampleDir, dataPortion="central", loadParticles=True, def loadVoidCatalog(sampleDir, dataPortion="central", loadParticles=True,
untrimmed=False): loadAdjacencies = True, untrimmed=False):
# loads a void catalog # loads a void catalog
# by default, loads parent-level voids with central densities greater than 0.2*mean # by default, loads parent-level voids with central densities greater than 0.2*mean
# sampleDir: path to VIDE output directory # sampleDir: path to VIDE output directory
# dataPortion: "central" or "all" # dataPortion: "central" or "all"
# loadParticles: if True, also load particle information # loadParticles: if True, also load particle information
# loadAdjacencies: if True, also load particle adjacency information
# untrimmed: if True, catalog contains all voids, regardless of density or hierarchy level # untrimmed: if True, catalog contains all voids, regardless of density or hierarchy level
sys.stdout.flush() sys.stdout.flush()
@ -448,6 +450,7 @@ def loadVoidCatalog(sampleDir, dataPortion="central", loadParticles=True,
dec = extraData[i][1], dec = extraData[i][1],
redshift = extraData[i][2], redshift = extraData[i][2],
uniqueID = extraData[i][3], uniqueID = extraData[i][3],
voidID = -1,
edgeFlag = 0)) edgeFlag = 0))
@ -473,6 +476,7 @@ def loadVoidCatalog(sampleDir, dataPortion="central", loadParticles=True,
for ivol in range(len(vols)): for ivol in range(len(vols)):
catalog.part[ivol].volume = vols[ivol] / volNorm catalog.part[ivol].volume = vols[ivol] / volNorm
if loadAdjacencies:
print(" Loading adjacencies...") print(" Loading adjacencies...")
adjFile = sampleDir+"adj_"+sample.fullName+".dat" adjFile = sampleDir+"adj_"+sample.fullName+".dat"
with open(adjFile, mode="rb") as File: with open(adjFile, mode="rb") as File:
@ -481,7 +485,8 @@ def loadVoidCatalog(sampleDir, dataPortion="central", loadParticles=True,
# this the total number of adjancies per particle # this the total number of adjancies per particle
nadjPerPart = np.fromfile(File, dtype=np.int32,count=numPart) nadjPerPart = np.fromfile(File, dtype=np.int32,count=numPart)
# but the file only stores one half of each pair, so we need to match # but the file only stores one half of each pair,
# so we need to match
for p in range(numPart): for p in range(numPart):
nin = np.fromfile(File, dtype=np.int32, count=1)[0] nin = np.fromfile(File, dtype=np.int32, count=1)[0]
for n in range(nin): for n in range(nin):
@ -496,23 +501,26 @@ def loadVoidCatalog(sampleDir, dataPortion="central", loadParticles=True,
catalog.part[p].nadjs = len(catalog.part[p].adjs) catalog.part[p].nadjs = len(catalog.part[p].adjs)
nHave = len(catalog.part[p].adjs) nHave = len(catalog.part[p].adjs)
nExpected = nadjPerPart[p] nExpected = nadjPerPart[p]
# interior galaxies should not connect to
if (nHave != nExpected and catalog.part[p].edgeFlag == 0): if (nHave != nExpected and catalog.part[p].edgeFlag == 0):
print(" Error for particle %d: Have %d adj, expected %d (flag: %d)" % (p, nHave, nExpected, catalog.part[p].edgeFlag)) print(" Error for particle %d: Have %d adj, expected %d (flag: %d)" % (p, nHave, nExpected, catalog.part[p].edgeFlag))
# end load adjacencies
print(" Loading zone-void membership info...") print(" Loading zone-void membership info...")
zoneFile = sampleDir+"/voidZone_"+sample.fullName+".dat" zoneFile = sampleDir+"/voidZone_"+sample.fullName+".dat"
catalog.void2Zones = [] catalog.void2Zones = []
with open(zoneFile, mode="rb") as File: with open(zoneFile, mode="rb") as File:
numZonesTot = np.fromfile(File, dtype=np.int32,count=1)[0] numVoidsTot = np.fromfile(File, dtype=np.int32,count=1)[0]
catalog.numZonesTot = numZonesTot catalog.numVoidsTot = numVoidsTot
for iZ in range(numZonesTot): for iVoid in range(numVoidsTot):
numZones = np.fromfile(File, dtype=np.int32,count=1)[0] numZones = np.fromfile(File, dtype=np.int32,count=1)[0]
catalog.void2Zones.append(Bunch(numZones = numZones, catalog.void2Zones.append(Bunch(numZones = numZones,
zoneIDs = [])) zoneIDs = []))
for p in range(numZones): for iZ in range(numZones):
zoneID = np.fromfile(File, dtype=np.int32,count=1)[0] zoneID = np.fromfile(File, dtype=np.int32,count=1)[0]
catalog.void2Zones[iZ].zoneIDs.append(zoneID) catalog.void2Zones[iVoid].zoneIDs.append(zoneID)
print(" Loading particle-zone membership info...") print(" Loading particle-zone membership info...")
zonePartFile = sampleDir+"/voidPart_"+sample.fullName+".dat" zonePartFile = sampleDir+"/voidPart_"+sample.fullName+".dat"
@ -529,6 +537,13 @@ def loadVoidCatalog(sampleDir, dataPortion="central", loadParticles=True,
partID = np.fromfile(File, dtype=np.int32,count=1)[0] partID = np.fromfile(File, dtype=np.int32,count=1)[0]
catalog.zones2Parts[iZ].partIDs.append(partID) catalog.zones2Parts[iZ].partIDs.append(partID)
print(" Matching particles to voids...")
for void in catalog.voids:
voidID = void.voidID
for zoneID in catalog.void2Zones[voidID].zoneIDs:
for partID in catalog.zones2Parts[zoneID].partIDs:
catalog.part[partID].voidID = voidID
print("Done loading catalog.") print("Done loading catalog.")
return catalog return catalog