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prepared for magnitude-limited samples

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This commit is contained in:
P.M. Sutter 2014-05-21 19:07:57 -05:00
parent 24e62450a8
commit 56b837899b
5 changed files with 18 additions and 15 deletions
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12
python_tools/void_python_tools/apTools/profiles/getSurveyProps.py
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@ -25,19 +25,23 @@ import void_python_tools as ct
__all__=['getSurveyProps']
# returns the volume and galaxy density for a given redshit slice
def getSurveyProps(maskFile, zmin, zmax, selFunMin, selFunMax, portion, selectionFuncFile=None, useLCDM=False):
def getSurveyProps(maskFile, zmin, zmax, selFunMin, selFunMax, portion, selectionFuncFile=None, useComoving=False):
LIGHT_SPEED = 299792.458
mask = healpy.read_map(maskFile)
area = (1.*np.size(np.where(mask > 0)) / np.size(mask)) * 4.*np.pi
if useLCDM:
if useComoving:
zmin = LIGHT_SPEED/100.*ct.angularDiameter(zmin, Om=0.27)
zmax = LIGHT_SPEED/100.*ct.angularDiameter(zmax, Om=0.27)
selFunMin = LIGHT_SPEED/100.*ct.angularDiameter(selFunMin, Om=0.27)
selFunMax = LIGHT_SPEED/100.*ct.angularDiameter(selFunMax, Om=0.27)
else:
zmin = zmin * 3000
zmax = zmax * 3000
selFunMin *= 3000
selFunMax *= 3000
volume = area * (zmax**3 - zmin**3) / 3
if selectionFuncFile != None:
@ -51,9 +55,6 @@ def getSurveyProps(maskFile, zmin, zmax, selFunMin, selFunMax, portion, selectio
selfuncDx = selfunc[1,0] - selfunc[0,0]
selfuncN = np.size(selfunc[:,0])
selFunMin *= 3000
selFunMax *= 3000
selFunMin = max(selFunMin, selfuncMin)
selFunMax = min(selFunMax, selfuncMax)
@ -67,7 +68,6 @@ def getSurveyProps(maskFile, zmin, zmax, selFunMin, selFunMax, portion, selectio
nbar = nbar[0]
ntotal = scipy.integrate.quad(fTotal, 0.0, max(selfuncUnity[:,0]))
#ntotal = scipy.integrate.quad(f, 0.0, max(selfunc[:,0]))
ntotal = ntotal[0]
nbar = ntotal / area / nbar