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WIP: Fix mdef=m200 interfacing with halotools #637

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WIP: Fix mdef=m200 interfacing with halotools #637

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24 changes: 24 additions & 0 deletions nbodykit/source/catalog/tests/test_hod.py
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Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,30 @@ def test_hod_cm(comm):
# compute the power
r = FFTPower(hod.to_mesh(Nmesh=128), mode='2d', Nmu=5, los=[0,0,1])

@MPITest([1, 4])
def test_hod_cm_200c(comm):

redshift = 0.55
cosmo = cosmology.Planck15
BoxSize = 512

# lognormal particles
Plin = cosmology.LinearPower(cosmo, redshift=redshift, transfer='EisensteinHu')
source = LogNormalCatalog(Plin=Plin, nbar=3e-3, BoxSize=BoxSize, Nmesh=128, seed=42, comm=comm)

# run FOF
r = FOF(source, linking_length=0.2, nmin=20)
halos = r.to_halos(cosmo=cosmo, redshift=redshift, particle_mass=1e12, mdef='200c', posdef='cm')

# make the HOD catalog from halotools catalog
hod = halos.populate(Zheng07Model, seed=42)

# RSD offset in 'z' direction
hod['Position'] += hod['VelocityOffset'] * [0, 0, 1]

# compute the power
r = FFTPower(hod.to_mesh(Nmesh=128), mode='2d', Nmu=5, los=[0,0,1])

@MPITest([1, 4])
def test_hod_peak(comm):

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