def make_map(sph, L=200):
N = L
x, y = np.indices((N + 1, N + 1))
x = L * (x.flatten() - N / 2.) / N
y = L * (y.flatten() - N / 2.) / N
z = x * 0.
vx = 0. * x
vy = 0. * x
vz = 0. * x
x = units.parsec(x)
y = units.parsec(y)
z = units.parsec(z)
vx = units.kms(vx)
vy = units.kms(vy)
vz = units.kms(vz)
rho, rhovx, rhovy, rhovz, rhoe = sph.get_hydro_state_at_point(
x, y, z, vx, vy, vz)
rho = rho.reshape((N + 1, N + 1))
return rho
def make_map(sph, L=200):
'''Makes 2D-projected density map of the gas particles in the sph code'''
N = L
x, y = np.indices((N + 1, N + 1))
x = L * (x.flatten() - N / 2.) / N
y = L * (y.flatten() - N / 2.) / N
z = x * 0.
vx = 0. * x
vy = 0. * x
vz = 0. * x
x = units.parsec(x)
y = units.parsec(y)
z = units.parsec(z)
vx = units.kms(vx)
vy = units.kms(vy)
vz = units.kms(vz)
rho, rhovx, rhovy, rhovz, rhoe = sph.get_hydro_state_at_point(
x, y, z, vx, vy, vz)
rho = rho.reshape((N + 1, N + 1))
return rho
def make_map(sph, N=100, L=1, offset_x=None, offset_y=None):
"Create a density map from an SPH code"
x, y = numpy.indices((N + 1, N + 1))
x = L * (x.flatten() - N / 2.) / N
y = L * (y.flatten() - N / 2.) / N
z = x * 0.
vx = 0. * x
vy = 0. * x
vz = 0. * x
x = units.parsec(x)
if offset_x is not None:
x += offset_x
y = units.parsec(y)
if offset_y is not None:
y += offset_y
z = units.parsec(z)
vx = units.kms(vx)
vy = units.kms(vy)
vz = units.kms(vz)
rho, rhovx, rhovy, rhovz, rhoe = sph.get_hydro_state_at_point(
x, y, z, vx, vy, vz)
rho = rho.reshape((N + 1, N + 1))
return rho
def plot_map(sph, Sun_and_Jupiter, title, N=100, L=1, show=True):
print('Plotting', title)
L = 200
x, y = np.indices((N + 1, N + 1))
x = L * (x.flatten() - N / 2.) / N
y = L * (y.flatten() - N / 2.) / N
z = x * 0.
vx = 0. * x
vy = 0. * x
vz = 0. * x
x = units.AU(x)
y = units.AU(y)
z = units.AU(z)
vx = units.kms(vx)
vy = units.kms(vy)
vz = units.kms(vz)
Sx = Sun_and_Jupiter[0].x.value_in(units.AU)
Sy = Sun_and_Jupiter[0].y.value_in(units.AU)
Sz = Sun_and_Jupiter[0].z.value_in(units.AU)
Sr = 1
sun = Circle((Sx, Sy), Sr, color='y')
Jx = Sun_and_Jupiter[1].x.value_in(units.AU)
Jy = Sun_and_Jupiter[1].y.value_in(units.AU)
Jz = Sun_and_Jupiter[1].z.value_in(units.AU)
Jr = 0.5
jup = Circle((Jx, Jy), Jr, color='orange')
rho, rhovx, rhovy, rhovz, rhoe = sph.get_hydro_state_at_point(
x, y, z, vx, vy, vz)
rho = rho.reshape((N + 1, N + 1))
fig, ax = plt.subplots(1, figsize=(8, 8))
ax.imshow(np.log10(1.e-5 +
rho.value_in(units.amu / units.cm**3)).transpose(),
extent=[-L / 2, L / 2, -L / 2, L / 2],
vmin=10,
vmax=15,
origin='lower')
ax.add_patch(sun)
ax.add_patch(jup)
plt.title(title + ' yr', fontsize=15, weight='bold', pad=10)
plt.xlabel('AU')
plt.savefig('q3_distribution_plot_4K/' + title + '.png', dpi=150)
if show:
plt.show()
plt.close()
def setup_grid(N, L):
x,y=np.indices( ( N+1,N+1 ))
x=L*(x.flatten()-N/2.)/N
y=L*(y.flatten()-N/2.)/N
z=0.*x
vx=0.*x
vy=0.*x
vz=0.*x
x=units.kpc(x)
y=units.kpc(y)
z=units.kpc(z)
vx=units.kms(vx)
vy=units.kms(vy)
vz=units.kms(vz)
return x, y, z, vx, vy, vz
def make_map(sph, L, N=100):
x, y = numpy.indices((N + 1, N + 1))
x = L * (x.flatten() - N / 2.) / N
y = L * (y.flatten() - N / 2.) / N
z = x * 0.
vx = units.kms(numpy.zeros_like(x.number))
vy = units.kms(numpy.zeros_like(x.number))
vz = units.kms(numpy.zeros_like(x.number))
rho, rhovx, rhovy, rhovz, rhoe = sph.get_hydro_state_at_point(
x, y, z, vx, vy, vz)
rho = rho.reshape((N + 1, N + 1))
return numpy.transpose(rho)
def make_map(sph, N=100, L=1):
x, y = numpy.indices((N + 1, N + 1))
x = L * (x.flatten() - N / 2.) / N
y = L * (y.flatten() - N / 2.) / N
z = x * 0.
vx = 0. * x
vy = 0. * x
vz = 0. * x
x = units.AU(x)
y = units.AU(y)
z = units.AU(z)
vx = units.kms(vx)
vy = units.kms(vy)
vz = units.kms(vz)
rho, rhovx, rhovy, rhovz, rhoe = sph.get_hydro_state_at_point(
x, y, z, vx, vy, vz)
rho = rho.reshape((N + 1, N + 1))
return numpy.transpose(rho)
def plot_map(sph, title, N=100, L=1, show=True):
print('Plotting', title)
L = 200
x, y = np.indices((N + 1, N + 1))
x = L * (x.flatten() - N / 2.) / N
y = L * (y.flatten() - N / 2.) / N
z = x * 0.
vx = 0. * x
vy = 0. * x
vz = 0. * x
x = units.AU(x)
y = units.AU(y)
z = units.AU(z)
vx = units.kms(vx)
vy = units.kms(vy)
vz = units.kms(vz)
rho, rhovx, rhovy, rhovz, rhoe = sph.get_hydro_state_at_point(
x, y, z, vx, vy, vz)
rho = rho.reshape((N + 1, N + 1))
plt.figure(figsize=(8, 8))
plt.imshow(np.log10(1.e-5 + rho.value_in(units.amu / units.cm**3)),
extent=[-L / 2, L / 2, -L / 2, L / 2],
vmin=10,
vmax=15)
plt.title(title)
plt.xlabel('AU')
plt.savefig(title)
if show:
plt.show()
plt.close()
def make_map(sph,N=100,L=1):
x,y=numpy.indices( ( N+1,N+1 ))
x=L*(x.flatten()-N/2.)/N
y=L*(y.flatten()-N/2.)/N
z=x*0.
vx=0.*x
vy=0.*x
vz=0.*x
x=units.parsec(x)
y=units.parsec(y)
z=units.parsec(z)
vx=units.kms(vx)
vy=units.kms(vy)
vz=units.kms(vz)
rho,rhovx,rhovy,rhovz,rhoe=sph.get_hydro_state_at_point(x,y,z,vx,vy,vz)
rho=rho.reshape((N+1,N+1))
return rho
def make_phi_map(sph,N=100,Rrange=(0.3,2),phioffset=0.):
phi,r=numpy.mgrid[0:2*numpy.pi:N*1j,Rrange[0]:Rrange[1]:N*1j]
phi=phi.flatten()
r=r.flatten()
x,y=r*numpy.cos(phi+phioffset),r*numpy.sin(phi+phioffset)
z=x*0.
vx=0.*x
vy=0.*x
vz=0.*x
x=units.AU(x)
y=units.AU(y)
z=units.AU(z)
vx=units.kms(vx)
vy=units.kms(vy)
vz=units.kms(vz)
rho,rhovx,rhovy,rhovz,rhoe=sph.get_hydro_state_at_point(x,y,z,vx,vy,vz)
rho=rho.reshape((N,N))
return numpy.transpose(rho)
def plot_map(sph, particles, title, N=100, L=200, show=True):
print('Plotting', title)
x, y = np.indices((N + 1, N + 1))
x = L * (x.flatten() - N / 2.) / N
y = L * (y.flatten() - N / 2.) / N
z = x * 0.
vx = 0. * x
vy = 0. * x
vz = 0. * x
x = units.AU(x)
y = units.AU(y)
z = units.AU(z)
vx = units.kms(vx)
vy = units.kms(vy)
vz = units.kms(vz)
Sun = particles[0]
Sx = Sun.x.value_in(units.AU)
Sy = Sun.y.value_in(units.AU)
Sz = Sun.z.value_in(units.AU)
#Sr = Sun.radius.value_in(units.AU)
Sr = 1
sun = Circle((Sx, Sy), Sr, color='y')
Jupiter = particles[1]
Jx = Jupiter.x.value_in(units.AU)
Jy = Jupiter.y.value_in(units.AU)
Jz = Jupiter.z.value_in(units.AU)
#Jr = Jupiter.radius.value_in(units.AU)
Jr = 0.5
jup = Circle((Jx, Jy), Jr, color='orange')
PassStar = particles[2]
PSx = PassStar.x.value_in(units.AU)
PSy = PassStar.y.value_in(units.AU)
PSz = PassStar.z.value_in(units.AU)
PSr = 2.0
ps = Circle((PSx, PSy), PSr, color='r')
rho, rhovx, rhovy, rhovz, rhoe = sph.get_hydro_state_at_point(
x, y, z, vx, vy, vz)
rho = rho.reshape((N + 1, N + 1))
fig, ax = plt.subplots(1, figsize=(8, 8))
ax.imshow(np.log10(1.e-5 + rho.value_in(units.amu / units.cm**3)),
extent=[-L / 2, L / 2, -L / 2, L / 2],
vmin=10,
vmax=15)
ax.add_patch(sun)
ax.add_patch(jup)
ax.add_patch(ps)
plt.title(title)
plt.xlabel('AU')
plt.savefig(title)
if show:
plt.show()
plt.close()
def plot_map(sph, Sun_and_Jupiter, Pstar, title, N=100, L=1, show=True):
print('Plotting', title)
L = 400
x, y = np.indices((N + 1, N + 1))
x = L * (x.flatten() - N / 2.) / N
y = L * (y.flatten() - N / 2.) / N
z = x * 0.
vx = 0. * x
vy = 0. * x
vz = 0. * x
x = units.AU(x)
y = units.AU(y)
z = units.AU(z)
vx = units.kms(vx)
vy = units.kms(vy)
vz = units.kms(vz)
Sx = Sun_and_Jupiter[0].x.value_in(units.AU)
Sy = Sun_and_Jupiter[0].y.value_in(units.AU)
Sz = Sun_and_Jupiter[0].z.value_in(units.AU)
#Sr = Sun_and_Jupiter[0].radius.value_in(units.AU)
Sr = 1
sun = Circle((Sx, Sy), Sr, color='y')
Jx = Sun_and_Jupiter[1].x.value_in(units.AU)
Jy = Sun_and_Jupiter[1].y.value_in(units.AU)
Jz = Sun_and_Jupiter[1].z.value_in(units.AU)
#Jr = Sun_and_Jupiter[1].radius.value_in(units.AU)
Jr = 0.5
jup = Circle((Jx, Jy), Jr, color='orange')
Starx = Pstar.x.value_in(units.AU)
Stary = Pstar.y.value_in(units.AU)
Starz = Pstar.z.value_in(units.AU)
Starr = 1.0
star = Circle((Starx, Stary), Starr, color='r')
rho, rhovx, rhovy, rhovz, rhoe = sph.get_hydro_state_at_point(
x, y, z, vx, vy, vz)
rho = rho.reshape((N + 1, N + 1))
fig, ax = plt.subplots(1, figsize=(8, 8))
ax.imshow(np.log10(1.e-5 + rho.value_in(units.amu / units.cm**3)),
extent=[-L / 2, L / 2, -L / 2, L / 2],
vmin=10,
vmax=15)
ax.add_patch(sun)
ax.add_patch(jup)
ax.add_patch(star)
#plt.title(title)
plt.xlabel('AU')
plt.savefig(title)
if show:
plt.show()
plt.close()