parameters added to scripts to handle real-space analysis

This commit is contained in:
P.M. Sutter 2013-09-06 14:56:46 -05:00
parent 1c68b64948
commit 5c4be39a99
3 changed files with 15 additions and 4 deletions

View file

@ -20,16 +20,24 @@
import numpy as np
import healpy as healpy
import scipy.integrate
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):
def getSurveyProps(maskFile, zmin, zmax, selFunMin, selFunMax, portion, selectionFuncFile=None, useLCDM=False):
LIGHT_SPEED = 299792.458
mask = healpy.read_map(maskFile)
area = (1.*np.size(np.where(mask > 0)) / np.size(mask)) * 4.*np.pi
zmin = zmin * 3000
zmax = zmax * 3000
if useLCDM:
zmin = LIGHT_SPEED/100.*ct.angularDiameter(zmin, Om=0.27)
zmax = LIGHT_SPEED/100.*ct.angularDiameter(zmax, Om=0.27)
else:
zmin = zmin * 3000
zmax = zmax * 3000
volume = area * (zmax**3 - zmin**3) / 3
if selectionFuncFile != None: