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extra info in void catalog output (void type, max radius, nearest flagged galaxy), added filtering routines on these properties for post-analysis

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This commit is contained in:
Paul M. Sutter 2025-04-21 15:02:05 -04:00
parent f9fc9e8990
commit dadfd8d40a
2 changed files with 70 additions and 45 deletions
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37
python_source/voidUtil/catalogUtil.py
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@ -367,7 +367,8 @@ def loadVoidCatalog(sampleDir, dataPortion="central", loadParticles=True,
numPart = int(line[8]),
densCon = line[9],
voidProb = line[10],
radius = 0., # this is read in later
# below values to be read in or computed later
radius = 0.,
macrocenter = np.zeros((3)),
redshift = 0,
RA = 0,
@ -379,6 +380,9 @@ def loadVoidCatalog(sampleDir, dataPortion="central", loadParticles=True,
ellipticity = 0.,
eigenVals = np.zeros((3)),
eigenVecs = np.zeros((3,3)),
voidType = CENTRAL_VOID,
maxRadius = 0.,
nearestEdge = 0.
))
catalog.numVoids = len(catalog.voids)
@ -438,6 +442,19 @@ def loadVoidCatalog(sampleDir, dataPortion="central", loadParticles=True,
iLine += 1
fileName = sampleDir+"/"+prefix+"extraInfo_"+dataPortion+"_"+sample.fullName+".out"
if os.path.exists(fileName):
catData = np.loadtxt(filename, comments="#")
for (iLine,line) in enumerate(cataData):
catalog.voids[iLine].voidType = int(line[0])
catalog.voids[iLine].maxRadius = float(line[1])
catalog.voids[iLine].nearestEdge = float(line[2])
iLine += 1
else:
print(" Extra info file not found!")
if loadParticles:
print("Loading all particles...")
partData, boxLen, volNorm, isObservationData, ranges, extraData, mockPart = loadPart(sampleDir)
@ -473,7 +490,7 @@ def loadVoidCatalog(sampleDir, dataPortion="central", loadParticles=True,
#catalog.part[:].edgeFlags = 0
print(" Loading volumes...")
if sample.hasWeightedVolumes:
if hasattr(sample, "hasWeightedVolumes") and sample.hasWeightedVolumes:
volFile = sampleDir+"/vol_weighted_"+sample.fullName+".dat"
else:
volFile = sampleDir+"/vol_"+sample.fullName+".dat"
@ -589,12 +606,13 @@ def getVoidPart(catalog, voidID):
return partOut
# -----------------------------------------------------------------------------
# various handy catalog filtering routines
def filterVoidsOnSize(catalog, rMin):
catalog.voids = [v for v in catalog.voids if v.radius >= rMin]
catalog.numVoids = len(catalog.voids)
return catalog
# -----------------------------------------------------------------------------
def filterVoidsOnTreeLevel(catalog, level):
catalog.voids = [v for v in catalog.voids if v.treeLevel == level]
if level == -1:
@ -602,24 +620,31 @@ def filterVoidsOnTreeLevel(catalog, level):
catalog.numVoids = len(catalog.voids)
return catalog
# -----------------------------------------------------------------------------
def filterVoidsOnCentralDen(catalog, maxCentralDen):
catalog.voids = [v for v in catalog.voids if v.centralDen <= maxCentralDen]
catalog.numVoids = len(catalog.voids)
return catalog
# -----------------------------------------------------------------------------
def filterVoidsOnCoreDen(catalog, maxCoreDen):
catalog.voids = [v for v in catalog.voids if v.coreDens <= maxCoreDen]
catalog.numVoids = len(catalog.voids)
return catalog
# -----------------------------------------------------------------------------
def filterVoidsOnDenCon(catalog, minDenCon):
catalog.voids = [v for v in catalog.voids if v.densCon >= minDenCon]
catalog.numVoids = len(catalog.voids)
return catalog
def filterVoidsOnType(catalog, voidType):
catalog.voids = [v for v in catalog.voids if v.voidType == voidType]
catalog.numVoids = len(catalog.voids)
return catalog
def filterVoidsOnNearestEdge(catalog, factor=1.0):
catalog.voids = [v for v in catalog.voids if \
factor*v.maxRadius <= v.nearestEdge]
catalog.numVoids = len(catalog.voids)
return catalog
# -----------------------------------------------------------------------------