mirror of
https://github.com/Richard-Sti/csiborgtools.git
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161c27d995
* Create file system * add doc * add n_sim n_snap directly to paths * Move things to a single particle reader for consistency * add docstring * add srdcir, dumpdir and mmain_path * make boxunits work with paths * switch to using paths * add tempdumpdir * rm dependence on old functions * rm comment * rm unused import * go back to all imports * fix import bug * rm dependence on old functions * modernize code! * fix typo * fix typo * update fits to new data structureing * change docs * add julia repo * add setup * add install commands * ignore install files * add array flattening * update dependene * add positions reader * update manifest and projects * add func * update gitignore * pos matching progress * move file * rm comment * add velocities getter * fix bug * fix name bug * fix path bug * fix args func * add redshift calculation to catalogues * add shortcut to set n_sim and n_snap * if cond bug * add the cosine similarity * add verbosit iterator * add docs * update README * update README * update README
60 lines
2.4 KiB
Python
60 lines
2.4 KiB
Python
# Copyright (C) 2022 Richard Stiskalek
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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"""
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Script to split particles into smaller files according to their clump
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membership for faster manipulation. Currently does this for the maximum
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snapshot of each simulation. Running this will require a lot of memory.
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"""
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from mpi4py import MPI
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from datetime import datetime
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try:
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import csiborgtools
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except ModuleNotFoundError:
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import sys
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sys.path.append("../")
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import csiborgtools
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import utils
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# Get MPI things
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comm = MPI.COMM_WORLD
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rank = comm.Get_rank()
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nproc = comm.Get_size()
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paths = csiborgtools.read.CSiBORGPaths()
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n_sims = paths.ic_ids[:1]
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partcols = ["x", "y", "z", "vx", "vy", "vz", "M", "level"]
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jobs = csiborgtools.fits.split_jobs(len(n_sims), nproc)[rank]
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for icount, sim_index in enumerate(jobs):
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print("{}: rank {} working {} / {} jobs.".format(datetime.now(), rank,
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icount + 1, len(jobs)))
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n_sim = n_sims[sim_index]
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n_snap = paths.get_maximum_snapshot(n_sim)
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# Set paths and inifitalise a particle reader
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paths.set_info(n_sim, n_snap)
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partreader = csiborgtools.read.ParticleReader(paths)
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# Load the clumps, particles' clump IDs and particles.
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clumps = partreader.read_clumps()
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particle_clumps = partreader.read_clumpid(verbose=False)
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particles = partreader.read_particle(partcols, verbose=False)
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# Drop all particles whose clump index is 0 (not assigned to any halo)
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particle_clumps, particles = partreader.drop_zero_indx(
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particle_clumps, particles)
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# Dump it!
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csiborgtools.fits.dump_split_particles(particles, particle_clumps, clumps,
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utils.Nsplits, paths, verbose=False)
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print("All finished!")
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