def SFRSurfaceProfile(minRadius=.1, numBins=50,tstep='00512',nbins=500):
"""Returns the list of tuples (radius, SFR, diskSFR, bulgeSFR) in solar masses/year! (for the 0.5Gyr preceding each time)"""
#read in initial masses from file
filename = quesoConfig.dataDir + quesoConfig.preTimestepFilename + tstep + ".massform"
charm.readTipsyArray(filename,'initialMass')
virialRadius = virialgroup.getVirialGroup()
rgal = quesoConfig.rgalFraction*virialRadius
center = findcenter.findCenter()
radialStep = ((math.log10(rgal)-math.log10(minRadius))/(float(numBins)-1))
simTime = getSimTime(timestep=tstep)/quesoConfig.timeunit #time in simulation units
sfr = [[]]*numBins
#initialize relevant attributes
galcoord.calcGalacticCoordinates()
#create sphere of stars
charm.createGroupAttributeSphere('galStar', 'All', 'position', center[0], center[1], center[2], rgal)
charm.createGroup_Family('galStar', 'galStar', 'star')
formHigh = simTime
formLow = formHigh-quesoConfig.sfrLookback/quesoConfig.timeunit
param = (formLow, formHigh, radialStep, quesoConfig.kpcunit*charm.getTime(), minRadius)
reduceResult = charm.reduceParticle('galStar' , mapSFRProfile, reduceSFRProfile, param)
print reduceResult
print (formLow,formHigh)
maxbin=0
for i in range(0,len(reduceResult)):
if (reduceResult[i][0]>maxbin):maxbin=reduceResult[i][0]
for i in range(0,len(reduceResult)):
radiusOut = math.pow(10, radialStep*reduceResult[i][0])
radiusInside = math.pow(10, radialStep*(reduceResult[i][0]-1))
radius = (radiusOut+radiusInside)/2
area = math.pi*(radiusOut**2-radiusInside**2)
formationRate = reduceResult[i][1]*quesoConfig.msolunit/quesoConfig.sfrLookback/area #msolar/yr/kpc^2
bin = reduceResult[i][0]+numBins-maxbin-1
sfr[bin]=(radius, formationRate)
print sfr[bin]
for i in range(0,numBins):
if (sfr[i] == []):
radiusOut = math.pow(10, radialStep*(i+1))
radiusInside = math.pow(10, radialStep*i)
radius = (radiusOut+radiusInside)/2
sfr[i]=(radius,0,0,0)
sfrData = [[],[]]
for i in range(len(sfr)):
sfrData[0].append(sfr[i][0])
sfrData[1].append(sfr[i][1])
return sfrData
def getSFRTimeProfile(nbins=500):
"""Returns the list of tuples (time, SFR) in solar masses/year! (for the 0.5Gyr preceding each time)"""
#read in initial masses from file
filename = quesoConfig.dataDir + quesoConfig.preTimestepFilename + quesoConfig.nTimesteps + ".massform"
charm.readTipsyArray(filename,'initialMass')
simTime = getSimTime()/quesoConfig.timeunit #time in simulation units
profileTStep = simTime/nbins
sfr = [(0,0)]*nbins
center = findcenter.findCenter()
rgal = virialgroup.getVirialGroup()*quesoConfig.rgalFraction
charm.createGroupAttributeSphere('galStar', 'star', 'position', center[0], center[1], center[2], rgal) #Particles within galactic radius
charm.createGroup_Family('galStar', 'galStar', 'star')
param = (profileTStep, nbins)
reduceResult = charm.reduceParticle('galStar' , mapSFR, reduceSFR, param)
#sum = 0.0
for i in range(0,len(reduceResult)):
#try:
formationRate = reduceResult[i][1]*quesoConfig.msolunit/(profileTStep*quesoConfig.timeunit) #msolar/yr
age = (simTime -reduceResult[i][0]*profileTStep)*quesoConfig.timeunit/1e9 #in gyr
sfr[reduceResult[i][0]-1] =(age, formationRate)
return sfr
