def main():
palette.configure(False)
d_indiv, n_indiv = np.loadtxt("indiv_dx_min.txt").T
d_global, n_global = np.loadtxt("global_dx_min.txt").T
d_rot_global, n_rot_global = np.loadtxt("global_rotation.txt").T
d_window_indiv, n_window_indiv = np.loadtxt("rotate_window_indiv.txt").T
d_mean_indiv, n_mean_indiv = np.loadtxt("rotate_mean_indiv.txt").T
d_mode_indiv, n_mode_indiv = np.loadtxt("rotate_mode_indiv.txt").T
plt.plot(d_indiv, n_indiv, color=pc("k"),
label=r"${\rm individual\ (\Delta x)_{\rm min}}$")
plt.plot(d_global, n_global, color=pc("r"),
label=r"${\rm global\ (\Delta x)_{\rm min}}$")
plt.plot(d_rot_global, n_rot_global, color=pc("o"),
label=r"${\rm global\ rotation}$")
plt.plot(d_rot_global - 2**16, n_rot_global, color=pc("o"))
plt.plot(d_window_indiv, n_window_indiv, color=pc("g"),
label=r"${\rm individual\ rotation\ (window)}$")
plt.plot(d_window_indiv - 2**16, n_window_indiv, color=pc("g"))
plt.plot(d_mean_indiv, n_mean_indiv, color=pc("b"),
label=r"${\rm individual\ rotation\ (mean)}$")
plt.plot(d_mean_indiv - 2**16, n_mean_indiv, color=pc("b"))
plt.plot(d_mode_indiv, n_mode_indiv, color=pc("p"),
label=r"${\rm individual\ rotation\ (mode)}$")
plt.plot(d_mode_indiv - 2**16, n_mode_indiv, color=pc("p"))
plt.legend(loc="upper left", frameon=True, fontsize=16)
xlo, xhi = plt.xlim(-400, 2000)
ylo, yhi = plt.ylim()
plt.ylim(ylo, yhi)
plt.xlabel(r"$\Delta x$")
plt.ylabel(r"$N(\Delta x)$")
n = -512
while n < xhi:
plt.plot([n, n], [ylo, yhi], ":", lw=1, c="k")
n += 256
plt.show()
def plot_dev(i_acc):
ratios = np.zeros((6, 7*7*7))
acc = acc_strs[i_acc]
plt.figure(i_acc)
for i_snap, snap in enumerate(snaps):
color = colors[i_snap]
sizes = np.loadtxt(target % (acc, snap), usecols=(0,))
names = np.loadtxt(target % (acc, snap), usecols=(1,), dtype=str)
sizes = np.reshape(sizes, (8, 8, 8))
names = np.reshape(names, (8, 8, 8))
mean_size = np.mean(sizes)
block_sizes = ratios[i_snap, :]
i = 0
for ox in range(7):
for oy in range(7):
for oz in range(7):
block = sizes[ox:ox+2, oy:oy+2, oz:oz+2]
block_sizes[i] = np.mean(block)
i += 1
block_sizes /= mean_size
plt.plot(block_sizes, c=color, lw=1.5)
x_low, x_high = plt.xlim()
plt.xlim(x_low, x_high)
dev = np.sqrt(np.sum((ratios-1)**2, axis=0)/6)
plt.plot([x_low, x_high], [1, 1], "--", lw=2, c="k")
plt.figure(4)
color = [pc("r"), pc("o"), pc("b")][i_acc]
plt.plot(dev, c=color, lw=1.5)
plt.yscale("log")
def main():
palette.configure(True)
file_names = [
"profiles/phi_pts/phi_pts_4_1.25.txt",
"profiles/phi_pts/phi_pts_4_2.5.txt",
"profiles/phi_pts/phi_pts_4_5.txt",
"profiles/phi_pts/phi_pts_4_10.txt",
"profiles/phi_pts/phi_pts_4_20.txt"
]
log_r, phi = np.loadtxt(file_names[0]).T
log_r_2, phi_2 = np.loadtxt(file_names[-1]).T
mvir = 5.112e+09
vvir = mvir_to_vvir(mvir)
rvir = mvir_to_rvir(mvir)
log_r -= np.log10(rvir)
log_r_2 -= np.log10(rvir)
phi /= vvir**2
phi_2 /= vvir**2
plt.plot([-12, 5], [-12, 5], "--", lw=2, c=pc("a"))
plt.plot(phi, phi_2, ".", c="k")
plt.xlim(-12, 5)
plt.ylim(-12, 5)
plt.xlabel(r"$\Phi_{\rm true}/V_{\rm vir}^2$")
plt.ylabel(r"$\Phi(\delta_v = 0.8 V_{\rm vir})/V_{\rm vir}^2$")
plt.fill_between([0, 5], [0, 0], [-12, -12], color=pc("b"), alpha=0.2)
plt.fill_between([-12, 0], [5, 5], [0, 0], color=pc("r"), alpha=0.2)
plt.savefig("plots/fig4_vvir_boundedness.png")
def plot_subhaloes(mpeak, limit, rvir, vec):
""" plot_subhaloes plots all subhaloes with mpeak > limit. Subhaloes are
plotted as circles with radius rvir with their positions relative to the
halo center. Only the (x, y) projection is plotted.
"""
ok = mpeak > limit #
mpeak, rvir, vec = mpeak[ok], rvir[ok], vec[ok]
for i in range(len(mpeak)):
if i == 0:
c, lw = "k", 3 # color and linewidth
else:
c, lw = pc(), 2
dx, dy = vec[i, 0] - vec[0, 0], vec[i, 1] - vec[0, 1],
plot_circle(dx, dy, rvir[i], c, lw=lw)
# Leave a small buffer around each halo.
spacing = 1.2
plt.xlim(-rvir[0] * spacing, +rvir[0] * spacing)
plt.ylim(-rvir[0] * spacing, +rvir[0] * spacing)
plt.xlabel(r"$X\,(h^{-1}{\rm Mpc})$")
plt.ylabel(r"$Y\,(h^{-1}{\rm Mpc})$")
palette.configure()
def gaussian(mu, sigma, x):
return np.exp(-(x - mu)**2 /
(2 * sigma**2)) / np.sqrt(2 * np.pi * sigma**2)
x = np.linspace(0, 1, 100)
for c in palette.colors[:0:-1]:
plt.figure()
for sigma in np.linspace(0.2, 1.0, 10):
plt.plot(x, gaussian(sigma, sigma, x), ls, lw=lw, c=pc(c, sigma))
if c == "red":
plt.savefig("README_images/color_range.png")
plt.figure()
x = np.linspace(-1, 1, 100)
plt.plot(x, gaussian(0, 0.5, x), ls, c=pc(), lw=lw)
plt.plot(x, gaussian(0.5, 0.5, x), ls, c=pc(), lw=lw)
plt.plot(x, gaussian(0.25, 0.4, x), ls, c=pc(), lw=lw)
plt.plot(x, gaussian(-0.3, 0.6, x), ls, c=pc(), lw=lw)
plt.plot(x, gaussian(-0.5, 0.3, x), ls, c=pc(), lw=lw)
plt.plot(x, gaussian(-0.75, 1.0, x), ls, c=pc(), lw=lw)
plt.plot(x, gaussian(0.75, 0.75, x), ls, c=pc(), lw=lw)
plt.plot(x, gaussian(0.1, 0.35, x), ls, c=pc(), lw=lw)
def main():
snap_to_z, snap_to_a = snap_lookup_tables("profiles/redshifts.txt")
L, sim_name = Ls[0], sim_names[0]
dx_means = [0] * len(accuracies[0])
dv_means = [0] * len(accuracies[0])
spacing = L / 1024
for i, acc in enumerate(accuracies[0]):
str_acc = str(acc)
dx_file_name = "profiles/sizes/%s/dx_%s.txt" % (sim_name, str_acc)
dv_file_name = "profiles/sizes/%s/dv_%s.txt" % (sim_name, str_acc)
snap = np.arange(101)
snap = snap[snap != 63]
dx_size = np.loadtxt(dx_file_name, usecols=(0, ))[:-1]
dv_size = np.loadtxt(dv_file_name, usecols=(0, ))[:-1]
dx_size = dx_size[dx_size != 0]
dv_size = dv_size[dv_size != 0]
exp_small = 1024**3 * (4 + 12) / 4**3 / 2**10
exp_large = 1024**3 * (4 + 12) / 2**10
dx_ratio = np.zeros(len(dx_size))
dx_ratio[:-1] = dx_size[:-1] / exp_small
dx_ratio[-1] = dx_size[-1] / exp_large
dv_ratio = np.zeros(len(dv_size))
dv_ratio[:-1] = dv_size[:-1] / exp_small
dv_ratio[-1] = dv_size[-1] / exp_large
dx_means[i], dv_means[i] = np.mean(dx_ratio), np.mean(dv_ratio)
if i == 1:
plt.plot(snap_to_a[snap],
dx_ratio,
c=pc("r"),
label=r"$\delta x = %.3f\,l$" % (acc / spacing / 1e3))
plt.plot([1 / 21, 1], [dx_means[i], dx_means[i]],
"--",
lw=2,
c=pc("r"))
if i == 3:
plt.plot(snap_to_a[snap],
dv_ratio,
c=pc("b"),
label=r"$\delta v = %s\,{\rm km\,s^{-1}}$" % str_acc)
plt.plot([1 / 21, 1], [dx_means[i], dx_means[i]],
"--",
lw=2,
c=pc("b"))
plt.legend(loc="upper left", fontsize=16)
plt.xscale("log")
plt.ylabel(r"${\rm Compression\ ratio}$")
plt.xlabel(r"$a(z)$")
plt.xlim(1 / 21, 1)
plt.savefig("plots/fig_2a_ratio_vs_a.png")
plt.figure()
acc = np.array(accuracies[0])
plt.plot(np.log10(acc), dv_means, c=pc("b"), label=r"$\vec{v}$")
plt.plot(np.log10(acc), dv_means, "o", c=pc("b"))
plt.xlabel(r"$\log_{10}(\delta v)\ ({\rm km\,s^{-1}})$", color=pc("b"))
plt.ylabel(r"${\rm Compression\ ratio}$")
plt.tick_params(axis="x", colors=pc("b"))
plt.twiny()
plt.plot(np.log10(acc / spacing / 1e3),
dx_means,
c=pc("r"),
label=r"$\vec{x}$")
plt.plot(np.log10(acc / spacing / 1e3), dx_means, "o", c=pc("r"))
plt.xlabel(r"$\log_{10}(\delta x / l)$", color=pc("r"))
plt.ylabel(r"${\rm Compression\ ratio}$")
plt.tick_params(axis="x", colors=pc("r"))
plt.savefig("plots/fig_2b_ratio_vs_accuracy.png")
import numpy as np
import matplotlib.pyplot as plt
import palette
from palette import pc
sim_names = ["Erebos_CBol_L63"]
accuracies = [[1.25, 2.5, 5, 10, 20]]
Ls = [62.5]
colors = [pc("r"), pc("o"), pc("g"), pc("b"), pc("p")]
def snap_lookup_tables(file_name):
snap, z, a = np.loadtxt(file_name).T
z[63] = 10**((np.log10(z[62]) + np.log10(z[64])) / 2)
a[63] = 10**((np.log10(a[62]) + np.log10(a[64])) / 2)
return z, a
def main():
snap_to_z, snap_to_a = snap_lookup_tables("profiles/redshifts.txt")
L, sim_name = Ls[0], sim_names[0]
dx_means = [0] * len(accuracies[0])
dv_means = [0] * len(accuracies[0])
spacing = L / 1024
for i, acc in enumerate(accuracies[0]):
str_acc = str(acc)
dx_file_name = "profiles/sizes/%s/dx_%s.txt" % (sim_name, str_acc)