59 lines
1.5 KiB
Python
59 lines
1.5 KiB
Python
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import healpy as hp
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import numpy as np
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import cosmotool as ct
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import h5py as h5
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from matplotlib import pyplot as plt
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L=600.
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Nside=128
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INDATA="/nethome/lavaux/Copy/PlusSimulation/BORG/Input_Data/2m++.npy"
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tmpp = np.load(INDATA)
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def build_sky_proj(density, dmax=60.,dmin=0):
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N = density.shape[0]
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ix = (np.arange(N)-0.5)*L/N - 0.5 * L
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dist2 = (ix[:,None,None]**2 + ix[None,:,None]**2 + ix[None,None,:]**2)
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flux = density.transpose().astype(ct.DTYPE) # / dist2
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dmax=N*dmax/L
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dmin=N*dmin/L
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projsky1 = ct.spherical_projection(Nside, flux, dmin, dmax, integrator_id=1)
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# projsky0 = ct.spherical_projection(Nside, flux, 0, 52, integrator_id=0)
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return projsky1*L/N#,projsky0
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l,b = tmpp['gal_long'],tmpp['gal_lat']
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l = np.radians(l)
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b = np.pi/2 - np.radians(b)
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dcmb = tmpp['velcmb']/100.
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idx = np.where((dcmb>10)*(dcmb<60))
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plt.figure(1)
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plt.clf()
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if True:
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with h5.File("fields.h5", mode="r") as f:
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d = f["density"][:].transpose()
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d /= np.average(np.average(np.average(d,axis=0),axis=0),axis=0)
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proj = build_sky_proj(d, dmin=10,dmax=60.)
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proj0 = proj1 = proj
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else:
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d = np.load("icgen/dcic0.npy")
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proj0 = build_sky_proj(1+d, dmin=10,dmax=60.)
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d = np.load("icgen/dcic1.npy")
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proj1 = build_sky_proj(1+d, dmin=10,dmax=60.)
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hp.mollview(proj0, fig=1, coord='CG', max=60, cmap=plt.cm.coolwarm)
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hp.projscatter(b[idx], l[idx], lw=0, color='g', s=5.0, alpha=0.8)
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plt.figure(2)
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plt.clf()
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hp.mollview(proj1, fig=2, coord='CG', max=60, cmap=plt.cm.coolwarm)
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hp.projscatter(b[idx], l[idx], lw=0, color='g', s=5.0, alpha=0.8)
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