OpenCosmo
Getting Started
Installation
First Steps
General Usage
Main Transformations API
Working with Columns
Working with Collections
Working with Units
Reading and Writing Data
Advanced Usage
Evaluating Complex Expressions on Datasets and Collections
Working with MPI
Performance Tips
Analysis and Visualization
Analyzing Particle Data with yt
Simulating X-ray Emission with pyXSIM
Visualizing Halos
API Reference
Reading/Writing
Dataset
Collections
Columns
Parameters and the OpenCosmoHeader
Regions
Analysis
Changelog
opencosmo 1.3.3 (2026-06-03)
opencosmo 1.3.2 (2026-06-03)
opencosmo 1.3.1 (2026-05-27)
opencosmo 1.2.5 (2026-04-15)
opencosmo 1.2.4 (2026-03-27)
opencosmo 1.2.3 (2026-03-23)
opencosmo 1.2.2 (2026-03-23)
opencosmo 1.2.1 (2026-03-23)
opencosmo 1.2.0 (2026-03-23)
Opencosmo 1.1.5 (2026-03-11)
Opencosmo 1.1.4 (2026-02-25)
opencosmo 1.1.3 (2026-02-18)
opencosmo 1.1.2 (2026-02-16)
opencosmo 1.1.1 (2026-02-16)
opencosmo 1.1.0 (2026-02-10)
opencosmo 1.0.4 (2026-02-04)
opencosmo 1.0.3 (2026-01-30)
opencosmo 1.0.2 (2026-01-28)
opencosmo 1.0.1 (2026-01-21)
opencosmo 1.0.0 (2026-01-21)
opencosmo 0.9.6 (2025-10-20)
opencosmo 0.9.4 (2025-09-26)
opencosmo 0.9.3 (2025-09-25)
opencosmo 0.9.2 (2025-09-25)
opencosmo 0.9.1 (2025-09-16)
opencosmo 0.9.0 (2025-09-15)
opencosmo 0.8.0 (2025-07-22)
OpenCosmo
Index
Index
A
|
B
|
C
|
D
|
E
|
F
|
G
|
H
|
I
|
K
|
L
|
M
|
N
|
O
|
P
|
R
|
S
|
T
|
U
|
V
|
W
|
Z
A
add_mag_cols() (in module opencosmo.column)
agn_kinetic_eps (opencosmo.dtypes.hacc.HaccHydroSimulationParameters attribute)
agn_kinetic_jet_vel (opencosmo.dtypes.hacc.HaccHydroSimulationParameters attribute)
agn_nperh (opencosmo.dtypes.hacc.HaccHydroSimulationParameters attribute)
agn_seed_mass (opencosmo.dtypes.hacc.HaccHydroSimulationParameters attribute)
animate_halos() (in module opencosmo.analysis)
arccos() (opencosmo.column.Column method)
arcsin() (opencosmo.column.Column method)
arctan2() (opencosmo.column.Column method)
B
bound() (opencosmo.Dataset method)
(opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
(opencosmo.SimulationCollection method)
(opencosmo.StructureCollection method)
bounds (opencosmo.spatial.BoxRegion property)
box_search() (opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
(opencosmo.StructureCollection method)
box_size (opencosmo.dtypes.hacc.HaccSimulationParameters attribute)
BoxRegion (class in opencosmo.spatial)
C
center (opencosmo.spatial.ConeRegion property)
col() (in module opencosmo)
Column (class in opencosmo.column)
columns (opencosmo.Dataset property)
(opencosmo.HealpixMap property)
(opencosmo.Lightcone property)
cone_search() (opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
(opencosmo.StructureCollection method)
ConeRegion (class in opencosmo.spatial)
contains() (opencosmo.spatial.BoxRegion method)
(opencosmo.spatial.ConeRegion method)
cosmology (opencosmo.Dataset property)
(opencosmo.HealpixMap property)
(opencosmo.Lightcone property)
(opencosmo.SimulationCollection property)
(opencosmo.StructureCollection property)
CosmologyParameters (class in opencosmo.dtypes.cosmology)
create_yt_dataset() (in module opencosmo.analysis)
D
data (opencosmo.Dataset property)
(opencosmo.HealpixMap property)
(opencosmo.Lightcone property)
Dataset (class in opencosmo)
descriptions (opencosmo.Dataset property)
(opencosmo.HealpixMap property)
(opencosmo.Lightcone property)
drop() (opencosmo.Dataset method)
(opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
(opencosmo.SimulationCollection method)
(opencosmo.StructureCollection method)
dtype (opencosmo.Dataset property)
(opencosmo.Lightcone property)
(opencosmo.SimulationCollection property)
(opencosmo.StructureCollection property)
dump() (opencosmo.header.OpenCosmoHeader method)
E
evaluate() (opencosmo.Dataset method)
(opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
(opencosmo.SimulationCollection method)
(opencosmo.StructureCollection method)
evaluate_on_dataset() (opencosmo.StructureCollection method)
exp10() (opencosmo.column.Column method)
F
file (opencosmo.header.OpenCosmoHeader property)
filter() (opencosmo.Dataset method)
(opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
(opencosmo.SimulationCollection method)
(opencosmo.StructureCollection method)
from_datasets() (opencosmo.Lightcone class method)
full_sky (opencosmo.HealpixMap property)
G
galaxies() (opencosmo.StructureCollection method)
get_data() (opencosmo.Dataset method)
(opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
get_metadata() (opencosmo.Dataset method)
(opencosmo.Lightcone method)
get_pixels() (opencosmo.Lightcone method)
(opencosmo.StructureCollection method)
H
h (opencosmo.dtypes.cosmology.CosmologyParameters attribute)
H0 (opencosmo.dtypes.cosmology.CosmologyParameters property)
HaccHydroSimulationParameters (class in opencosmo.dtypes.hacc)
HaccSimulationParameters (class in opencosmo.dtypes.hacc)
halo_projection_array() (in module opencosmo.analysis)
halos() (opencosmo.StructureCollection method)
header (opencosmo.Dataset property)
(opencosmo.HealpixMap property)
(opencosmo.Lightcone property)
(opencosmo.SimulationCollection property)
(opencosmo.StructureCollection property)
HealpixMap (class in opencosmo)
HealpixRegion (class in opencosmo.spatial)
I
intersects() (opencosmo.spatial.BoxRegion method)
(opencosmo.spatial.ConeRegion method)
items() (opencosmo.StructureCollection method)
K
keys() (opencosmo.StructureCollection method)
L
Lightcone (class in opencosmo)
log10() (opencosmo.column.Column method)
M
make_box() (in module opencosmo)
make_cone() (in module opencosmo)
make_schema() (opencosmo.HealpixMap method)
(opencosmo.SimulationCollection method)
(opencosmo.StructureCollection method)
make_skybox() (in module opencosmo)
meta_columns (opencosmo.Dataset property)
(opencosmo.Lightcone property)
N
n_dm (opencosmo.dtypes.hacc.HaccHydroSimulationParameters attribute)
n_eff_massive (opencosmo.dtypes.cosmology.CosmologyParameters attribute)
n_gas (opencosmo.dtypes.hacc.HaccHydroSimulationParameters attribute)
n_gravity (opencosmo.dtypes.hacc.HaccSimulationParameters attribute)
n_steps (opencosmo.dtypes.hacc.HaccSimulationParameters attribute)
Neff (opencosmo.dtypes.cosmology.CosmologyParameters attribute)
norm_cols() (in module opencosmo.column)
nside (opencosmo.HealpixMap property)
(opencosmo.spatial.HealpixRegion property)
nside_lr (opencosmo.HealpixMap property)
O
Ob0 (opencosmo.dtypes.cosmology.CosmologyParameters attribute)
objects() (opencosmo.StructureCollection method)
Ode0 (opencosmo.dtypes.cosmology.CosmologyParameters attribute)
offset_3d() (in module opencosmo.column)
offset_dm_ini (opencosmo.dtypes.hacc.HaccHydroSimulationParameters attribute)
offset_gas_ini (opencosmo.dtypes.hacc.HaccHydroSimulationParameters attribute)
offset_gravity_ini (opencosmo.dtypes.hacc.HaccSimulationParameters attribute)
Om0 (opencosmo.dtypes.cosmology.CosmologyParameters attribute)
open() (in module opencosmo)
OpenCosmoHeader (class in opencosmo.header)
ordering (opencosmo.HealpixMap property)
(opencosmo.spatial.HealpixRegion property)
P
parameters (opencosmo.header.OpenCosmoHeader property)
ParticleProjectionPlot() (in module opencosmo.analysis)
PhasePlot() (in module opencosmo.analysis)
pixel_search() (opencosmo.Lightcone method)
(opencosmo.StructureCollection method)
pixels (opencosmo.HealpixMap property)
(opencosmo.spatial.HealpixRegion property)
pm_grid (opencosmo.dtypes.hacc.HaccSimulationParameters attribute)
ProfilePlot() (in module opencosmo.analysis)
ProjectionPlot() (in module opencosmo.analysis)
properties (opencosmo.StructureCollection property)
R
radius (opencosmo.spatial.ConeRegion property)
redshift (opencosmo.Dataset property)
(opencosmo.SimulationCollection property)
(opencosmo.StructureCollection property)
reduce() (in module opencosmo.analysis)
region (opencosmo.Dataset property)
(opencosmo.HealpixMap property)
(opencosmo.Lightcone property)
(opencosmo.StructureCollection property)
rows() (opencosmo.Dataset method)
(opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
S
select() (opencosmo.Dataset method)
(opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
(opencosmo.SimulationCollection method)
(opencosmo.StructureCollection method)
sigma_8 (opencosmo.dtypes.cosmology.CosmologyParameters attribute)
simulation (opencosmo.Dataset property)
(opencosmo.HealpixMap property)
(opencosmo.Lightcone property)
(opencosmo.SimulationCollection property)
(opencosmo.StructureCollection property)
SimulationCollection (class in opencosmo)
SlicePlot() (in module opencosmo.analysis)
sort_by() (opencosmo.Dataset method)
(opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
(opencosmo.SimulationCollection method)
(opencosmo.StructureCollection method)
sorted_by (opencosmo.Dataset property)
(opencosmo.Lightcone property)
(opencosmo.StructureCollection property)
sqrt() (opencosmo.column.Column method)
step_zs (opencosmo.dtypes.hacc.HaccSimulationParameters property)
StructureCollection (class in opencosmo)
T
take() (opencosmo.Dataset method)
(opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
(opencosmo.SimulationCollection method)
(opencosmo.StructureCollection method)
take_range() (opencosmo.Dataset method)
(opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
(opencosmo.SimulationCollection method)
(opencosmo.StructureCollection method)
take_rows() (opencosmo.Dataset method)
(opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
(opencosmo.StructureCollection method)
tree (opencosmo.Dataset property)
U
units (opencosmo.Dataset property)
(opencosmo.Lightcone property)
V
values() (opencosmo.StructureCollection method)
visualize_halo() (in module opencosmo.analysis)
W
w0 (opencosmo.dtypes.cosmology.CosmologyParameters attribute)
wa (opencosmo.dtypes.cosmology.CosmologyParameters attribute)
wind_egy_w (opencosmo.dtypes.hacc.HaccHydroSimulationParameters attribute)
wind_kappa_w (opencosmo.dtypes.hacc.HaccHydroSimulationParameters attribute)
with_datasets() (opencosmo.StructureCollection method)
with_new_columns() (opencosmo.Dataset method)
(opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
(opencosmo.SimulationCollection method)
(opencosmo.StructureCollection method)
with_parameter() (opencosmo.header.OpenCosmoHeader method)
with_parameters() (opencosmo.header.OpenCosmoHeader method)
with_redshift_range() (opencosmo.Lightcone method)
(opencosmo.StructureCollection method)
with_resolution() (opencosmo.HealpixMap method)
with_units() (opencosmo.Dataset method)
(opencosmo.header.OpenCosmoHeader method)
(opencosmo.HealpixMap method)
(opencosmo.Lightcone method)
(opencosmo.SimulationCollection method)
(opencosmo.StructureCollection method)
write() (in module opencosmo)
write_parquet() (in module opencosmo.io)
Z
z_end (opencosmo.dtypes.hacc.HaccSimulationParameters attribute)
z_ini (opencosmo.dtypes.hacc.HaccSimulationParameters attribute)
z_range (opencosmo.HealpixMap property)
(opencosmo.Lightcone property)
(opencosmo.StructureCollection property)