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Commit 4421af3e authored by Matthieu Schaller's avatar Matthieu Schaller
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Made the multi-type example generate ICs split into multiple files.

parent 0ae967d8
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examples/MultiTypes/makeIC.py
View file @ 4421af3e
......@@ -39,143 +39,151 @@ Ldm = int(sys.argv[2]) # Number of particles along one axis
massStars = 0.1
Lstars = int(sys.argv[3]) # Number of particles along one axis
fileName = "multiTypes.hdf5"
fileBaseName = "multiTypes"
num_files = int(sys.argv[4])
#---------------------------------------------------
numGas = Lgas**3
massGas = boxSize**3 * rhoGas / numGas
numGas_tot = Lgas**3
massGas = boxSize**3 * rhoGas / numGas_tot
internalEnergy = P / ((gamma - 1.)*rhoGas)
numDM = Ldm**3
massDM = boxSize**3 * rhoDM / numDM
numDM_tot = Ldm**3
massDM = boxSize**3 * rhoDM / numDM_tot
numStars = Lstars**3
numStars_tot = Lstars**3
massStars = massDM * massStars
#--------------------------------------------------
#File
file = h5py.File(fileName, 'w')
# Header
grp = file.create_group("/Header")
grp.attrs["BoxSize"] = boxSize
grp.attrs["NumPart_Total"] = [numGas, numDM, 0, 0, numStars, 0]
grp.attrs["NumPart_Total_HighWord"] = [0, 0, 0, 0, 0, 0]
grp.attrs["NumPart_ThisFile"] = [numGas, numDM, 0, 0, numStars, 0]
grp.attrs["Time"] = 0.0
grp.attrs["NumFilesPerSnapshot"] = 1
grp.attrs["MassTable"] = [0.0, massDM, 0.0, 0.0, 0.0, 0.0]
grp.attrs["Flag_Entropy_ICs"] = 0
grp.attrs["Dimension"] = 3
#Runtime parameters
grp = file.create_group("/RuntimePars")
grp.attrs["PeriodicBoundariesOn"] = periodic
#Units
grp = file.create_group("/Units")
grp.attrs["Unit length in cgs (U_L)"] = 1.
grp.attrs["Unit mass in cgs (U_M)"] = 1.
grp.attrs["Unit time in cgs (U_t)"] = 1.
grp.attrs["Unit current in cgs (U_I)"] = 1.
grp.attrs["Unit temperature in cgs (U_T)"] = 1.
# Gas Particle group
grp = file.create_group("/PartType0")
v = zeros((numGas, 3))
ds = grp.create_dataset('Velocities', (numGas, 3), 'f')
ds[()] = v
v = zeros(1)
m = full((numGas, 1), massGas)
ds = grp.create_dataset('Masses', (numGas,1), 'f')
ds[()] = m
m = zeros(1)
h = full((numGas, 1), eta * boxSize / Lgas)
ds = grp.create_dataset('SmoothingLength', (numGas,1), 'f')
ds[()] = h
h = zeros(1)
u = full((numGas, 1), internalEnergy)
ds = grp.create_dataset('InternalEnergy', (numGas,1), 'f')
ds[()] = u
u = zeros(1)
ids = linspace(0, numGas, numGas, endpoint=False).reshape((numGas,1))
ds = grp.create_dataset('ParticleIDs', (numGas, 1), 'L')
ds[()] = ids + 1
x = ids % Lgas;
y = ((ids - x) / Lgas) % Lgas;
z = (ids - x - Lgas * y) / Lgas**2;
coords = zeros((numGas, 3))
coords[:,0] = z[:,0] * boxSize / Lgas + boxSize / (2*Lgas)
coords[:,1] = y[:,0] * boxSize / Lgas + boxSize / (2*Lgas)
coords[:,2] = x[:,0] * boxSize / Lgas + boxSize / (2*Lgas)
ds = grp.create_dataset('Coordinates', (numGas, 3), 'd')
ds[()] = coords
# DM Particle group
grp = file.create_group("/PartType1")
v = zeros((numDM, 3))
ds = grp.create_dataset('Velocities', (numDM, 3), 'f')
ds[()] = v
v = zeros(1)
m = full((numDM, 1), massDM)
ds = grp.create_dataset('Masses', (numDM,1), 'f')
ds[()] = m
m = zeros(1)
ids = linspace(0, numDM, numDM, endpoint=False).reshape((numDM,1))
ds = grp.create_dataset('ParticleIDs', (numDM, 1), 'L')
ds[()] = ids + Lgas**3 + 1
x = ids % Ldm;
y = ((ids - x) / Ldm) % Ldm;
z = (ids - x - Ldm * y) / Ldm**2;
coords = zeros((numDM, 3))
coords[:,0] = z[:,0] * boxSize / Ldm + boxSize / (2*Ldm)
coords[:,1] = y[:,0] * boxSize / Ldm + boxSize / (2*Ldm)
coords[:,2] = x[:,0] * boxSize / Ldm + boxSize / (2*Ldm)
ds = grp.create_dataset('Coordinates', (numDM, 3), 'd')
ds[()] = coords
# Star Particle group
grp = file.create_group("/PartType4")
v = zeros((numStars, 3))
ds = grp.create_dataset('Velocities', (numStars, 3), 'f')
ds[()] = v
v = zeros(1)
m = full((numStars, 1), massStars)
ds = grp.create_dataset('Masses', (numStars,1), 'f')
ds[()] = m
m = zeros(1)
ids = linspace(0, numStars, numStars, endpoint=False).reshape((numStars,1))
ds = grp.create_dataset('ParticleIDs', (numStars, 1), 'L')
ds[()] = ids + Lgas**3 + 1
x = ids % Ldm;
y = ((ids - x) / Ldm) % Ldm;
z = (ids - x - Ldm * y) / Ldm**2;
coords = zeros((numStars, 3))
coords[:,0] = z[:,0] * boxSize / Ldm + boxSize / (2*Ldm)
coords[:,1] = y[:,0] * boxSize / Ldm + boxSize / (2*Ldm)
coords[:,2] = x[:,0] * boxSize / Ldm + boxSize / (2*Ldm)
ds = grp.create_dataset('Coordinates', (numStars, 3), 'd')
ds[()] = coords
file.close()
offsetGas = 0
offsetDM = 0
offsetStars = 0
for n in range(num_files):
# File name
if num_files == 1:
fileName = fileBaseName + ".hdf5"
else:
fileName = fileBaseName + ".%d.hdf5"%n
# File
file = h5py.File(fileName, 'w')
# Number of particles
numGas = numGas_tot / num_files
numDM = numDM_tot / num_files
numStars = numStars_tot / num_files
if n == num_files - 1:
numGas += numGas_tot % num_files
numDM += numDM_tot % num_files
numStars += numStars_tot % num_files
# Header
grp = file.create_group("/Header")
grp.attrs["BoxSize"] = boxSize
grp.attrs["NumPart_Total"] = [numGas_tot, numDM_tot, 0, 0, numStars_tot, 0]
grp.attrs["NumPart_Total_HighWord"] = [0, 0, 0, 0, 0, 0]
grp.attrs["NumPart_ThisFile"] = [numGas, numDM, 0, 0, numStars, 0]
grp.attrs["Time"] = 0.0
grp.attrs["NumFilesPerSnapshot"] = num_files
grp.attrs["MassTable"] = [0.0, massDM, 0.0, 0.0, 0.0, 0.0]
grp.attrs["Flag_Entropy_ICs"] = 0
grp.attrs["Dimension"] = 3
#Runtime parameters
grp = file.create_group("/RuntimePars")
grp.attrs["PeriodicBoundariesOn"] = periodic
#Units
grp = file.create_group("/Units")
grp.attrs["Unit length in cgs (U_L)"] = 1.
grp.attrs["Unit mass in cgs (U_M)"] = 1.
grp.attrs["Unit time in cgs (U_t)"] = 1.
grp.attrs["Unit current in cgs (U_I)"] = 1.
grp.attrs["Unit temperature in cgs (U_T)"] = 1.
# Gas Particle group
grp = file.create_group("/PartType0")
v = zeros((numGas, 3))
ds = grp.create_dataset('Velocities', (numGas, 3), 'f', data=v)
m = full((numGas, 1), massGas)
ds = grp.create_dataset('Masses', (numGas,1), 'f', data=m)
h = full((numGas, 1), eta * boxSize / Lgas)
ds = grp.create_dataset('SmoothingLength', (numGas,1), 'f', data=h)
u = full((numGas, 1), internalEnergy)
ds = grp.create_dataset('InternalEnergy', (numGas,1), 'f', data=u)
ids = linspace(offsetGas, offsetGas+numGas, numGas, endpoint=False).reshape((numGas,1))
ds = grp.create_dataset('ParticleIDs', (numGas, 1), 'L', data=ids+1)
x = ids % Lgas;
y = ((ids - x) / Lgas) % Lgas;
z = (ids - x - Lgas * y) / Lgas**2;
coords = zeros((numGas, 3))
coords[:,0] = z[:,0] * boxSize / Lgas + boxSize / (2*Lgas)
coords[:,1] = y[:,0] * boxSize / Lgas + boxSize / (2*Lgas)
coords[:,2] = x[:,0] * boxSize / Lgas + boxSize / (2*Lgas)
ds = grp.create_dataset('Coordinates', (numGas, 3), 'd', data=coords)
# DM Particle group
grp = file.create_group("/PartType1")
v = zeros((numDM, 3))
ds = grp.create_dataset('Velocities', (numDM, 3), 'f', data=v)
m = full((numDM, 1), massDM)
ds = grp.create_dataset('Masses', (numDM,1), 'f', data=m)
ids = linspace(offsetDM, offsetDM+numDM, numDM, endpoint=False).reshape((numDM,1))
ds = grp.create_dataset('ParticleIDs', (numDM, 1), 'L', data=ids + numGas_tot + 1)
ds[()] = ids + Lgas**3 + 1
x = ids % Ldm;
y = ((ids - x) / Ldm) % Ldm;
z = (ids - x - Ldm * y) / Ldm**2;
coords = zeros((numDM, 3))
coords[:,0] = z[:,0] * boxSize / Ldm + boxSize / (2*Ldm)
coords[:,1] = y[:,0] * boxSize / Ldm + boxSize / (2*Ldm)
coords[:,2] = x[:,0] * boxSize / Ldm + boxSize / (2*Ldm)
ds = grp.create_dataset('Coordinates', (numDM, 3), 'd', data=coords)
# Star Particle group
grp = file.create_group("/PartType4")
v = zeros((numStars, 3))
ds = grp.create_dataset('Velocities', (numStars, 3), 'f', data=v)
m = full((numStars, 1), massStars)
ds = grp.create_dataset('Masses', (numStars,1), 'f', data=m)
ids = linspace(0, numStars, numStars, endpoint=False).reshape((numStars,1))
ds = grp.create_dataset('ParticleIDs', (numStars, 1), 'L', data=ids + numGas_tot + numDM_tot + 1)
x = ids % Ldm;
y = ((ids - x) / Ldm) % Ldm;
z = (ids - x - Ldm * y) / Ldm**2;
coords = zeros((numStars, 3))
coords[:,0] = z[:,0] * boxSize / Ldm + boxSize / (2*Ldm)
coords[:,1] = y[:,0] * boxSize / Ldm + boxSize / (2*Ldm)
coords[:,2] = x[:,0] * boxSize / Ldm + boxSize / (2*Ldm)
ds = grp.create_dataset('Coordinates', (numStars, 3), 'd', data=coords)
# Shift stuff
offsetGas += numGas
offsetDM += numDM
offsetStars += numStars
file.close()
examples/MultiTypes/run.sh
View file @ 4421af3e
......@@ -4,7 +4,7 @@
if [ ! -e multiTypes.hdf5 ]
then
echo "Generating initial conditions for the multitype box example..."
python makeIC.py 9 13 7
python makeIC.py 9 13 7 1
fi
../swift -s -g -S -t 1 multiTypes.yml 2>&1 | tee output.log
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