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eb1797e8a9
* Get rid of utils * Clean up imports * Move some utils here * Rename file * Add simname to boxsize * Add imports * Delete old files * Update README * Update imports * Add a new draft of the density calculator * Update fields * Draft of new density field calculatiosn * Add snapshot * Add boxsizes * Little updates * Bring back utils * Edit docstrings * Edits imports * Add progress on snapshots * edit improts * add basic snapshot catalogue * Add support for CSiBORG2 snapshot reader * add paths to fofcat for csiborg2 * Add more imports * Add more boxsize * Add more imports * Add field readers * Simplify field paths * Fix typo * Add observer vp * Clean up density field calculation * Add a short note * Edit args * Remove old comments * Edit docs * Remove blank line * Stop flipping RAMSES * Remove comment * Edit desc * Remove normalization * Remove old dist array * Remove non-volume weighting * Remove non-volume weight * Add ignore of flake8 notebooks * Fix path typo * Fix units * Edit paths docs * Update nb
764 KiB
764 KiB
In [1]:
# flake8: noqa
from os.path import join
import csiborgtools
import healpy
import matplotlib.pyplot as plt
import numpy
import scienceplots
from cache_to_disk import cache_to_disk, delete_disk_caches_for_function
from h5py import File
import plt_utils
%load_ext autoreload
%autoreload 2
In [22]:
# flake8: noq
@cache_to_disk(30)
def _plot_sky_projected_density(nsim, simname, grid, nside, MAS, survey_name,
dmin, dmax):
paths = csiborgtools.read.Paths(**csiborgtools.paths_glamdring)
boxsize = csiborgtools.simname2boxsize(simname)
if simname == "csiborg1":
reader = csiborgtools.read.CSiBORG1Field(nsim, paths)
elif "csiborg2" in simname:
kind = simname.split("_")[-1]
reader = csiborgtools.read.CSiBORG2Field(nsim, paths, kind=kind)
else:
raise ValueError(f"Unknown simname `{simname}`.")
field = reader.density_field(MAS, grid)
if survey_name == "2M++":
survey = csiborgtools.read.TwoMPPGalaxies()
dist = survey["ZCMB"] * 3e5 / 100
ra, dec = survey["RA"], survey["DEC"]
ra *= numpy.pi / 180
dec *= numpy.pi / 180
elif survey_name == "SDSS":
survey = csiborgtools.SDSS()()
dist = survey["DIST"]
ra, dec = survey["RA"], survey["DEC"]
ra *= numpy.pi / 180
dec *= numpy.pi / 180
else:
raise ValueError(f"Unknown survey name `{survey_name}`.")
mask = (dist > dmin) & (dist < dmax)
ra = ra[mask]
dec = dec[mask]
angpos = csiborgtools.field.nside2radec(nside)
dist = numpy.linspace(dmin, dmax, 1000)
dmap = csiborgtools.field.make_sky(field, angpos=angpos, dist=dist,
boxsize=boxsize)
return dmap, ra, dec
In [28]:
def plot_sky_projected_density(nsim, simname, grid, nside, MAS="PCS",
dmin=0, dmax=220, survey_name="2M++",
ext="png", to_save=False):
dmap, ra, dec = _plot_sky_projected_density(
nsim, simname, grid, nside, MAS, survey_name, dmin, dmax)
with plt.style.context(plt_utils.mplstyle):
healpy.mollview(numpy.log10(dmap), fig=0, title="", unit="", rot=90)
healpy.projscatter(numpy.pi / 2 - dec, ra, s=0.05, c="red",
label="2M++ galaxies")
if to_save:
fout = join(plt_utils.fout, f"sky_density_{simname}_{nsim}_from_{dmin}_to_{dmax}.{ext}") # noqa
print(f"Saving to `{fout}`.")
plt.savefig(fout, dpi=plt_utils.dpi, bbox_inches="tight")
plt.show()
In [30]:
# delete_disk_caches_for_function("_plot_sky_projected_density")
plot_sky_projected_density(15517, "csiborg2_main", 1024, 128, "SPH", dmin=100,
dmax=125, survey_name="2M++", to_save=False)
# plt.savefig("test.png", dpi=300)
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