partialator script with analysis functions
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Beale John Henry
314
reduction_tools/partialator.py
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314
reduction_tools/partialator.py
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#!/usr/bin/python
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# author J.Beale
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"""
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# aim
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to merge .stream files and calculate statistics
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# usage
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python partialator.py -s <path-to-stream-file>
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-n name (name of job - default = partialator)
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-p pointgroup
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-m model (unity or xsphere - default is unity)
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-i iterations - number of iterations in partialator
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-c <path-to-cell-file>
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-b number of resolution bins - must be > 20
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-r high-res limt. Needs a default. Default set to 1.3
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cwd, args.name, args.stream_file, args.pointgroup, args.model, args.iterations, args.cell_file, args.bins, args.resolution
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# output
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- scaled/merged files
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- useful plots
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- useful summerized .dat files
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"""
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# modules
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import pandas as pd
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import numpy as np
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import subprocess
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import os, errno
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import time
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import argparse
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from tqdm import tqdm
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import regex as re
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import matplotlib.pyplot as plt
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from scipy.optimize import curve_fit
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def submit_job( job_file ):
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# submit the job
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submit_cmd = ["sbatch", "--cpus-per-task=32", "--" ,job_file]
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job_output = subprocess.check_output(submit_cmd)
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# scrub job id from - example Submitted batch job 742403
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pattern = r"Submitted batch job (\d+)"
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job_id = re.search( pattern, job_output.decode().strip() ).group(1)
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return int(job_id)
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def wait_for_jobs( job_ids, total_jobs ):
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with tqdm(total=total_jobs, desc="Jobs Completed", unit="job") as pbar:
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while job_ids:
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completed_jobs = set()
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for job_id in job_ids:
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status_cmd = ["squeue", "-h", "-j", str(job_id)]
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status = subprocess.check_output(status_cmd)
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if not status:
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completed_jobs.add(job_id)
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pbar.update(1)
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job_ids.difference_update(completed_jobs)
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time.sleep(2)
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def run_partialator( proc_dir, name, stream, pointgroup, model, iterations, cell, shells, part_h_res ):
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# partialator file name
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part_run_file = "{0}/partialator_{1}.sh".format( proc_dir, name )
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# write file
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part_sh = open( part_run_file, "w" )
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part_sh.write( "#!/bin/sh\n\n" )
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part_sh.write( "module purge\n" )
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part_sh.write( "module load crystfel/0.10.2\n" )
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part_sh.write( "partialator -i {0} \\\n".format( stream ) )
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part_sh.write( " -o merged_{0}.hkl \\\n".format( name ) )
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part_sh.write( " -y {0} \\\n".format( pointgroup ) )
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part_sh.write( " --model={0} \\\n".format( model ) )
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part_sh.write( " --iterations={0}\n\n".format( iterations ) )
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part_sh.write( "check_hkl --shell-file=mult.dat *.hkl -p {0} --nshells={1} --highres={2} > check_hkl.log\n".format( cell, shells, part_h_res ) )
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part_sh.write( "check_hkl --ltest --ignore-negs --shell-file=ltest.dat *.hkl -p {0} --nshells={1} --highres={2} > ltest.log\n".format( cell, shells, part_h_res ) )
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part_sh.write( "check_hkl --wilson --shell-file=wilson.dat *.hkl -p {0} --nshells={1} --highres={2} > wilson.log\n".format( cell, shells, part_h_res ) )
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part_sh.write( "compare_hkl --fom=Rsplit --shell-file=Rsplit.dat *.hkl1 *hkl2 -p {0} --nshells={1} --highres={2} > Rsplit.log\n".format( cell, shells, part_h_res ) )
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part_sh.write( "compare_hkl --fom=cc --shell-file=cc.dat *.hkl1 *hkl2 -p {0} --nshells={1} --highres={2} > cc.log\n".format( cell, shells, part_h_res ) )
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part_sh.write( "compare_hkl --fom=ccstar --shell-file=ccstar.dat *.hkl1 *hkl2 -p {0} --nshells={1} --highres={2} > ccstar.log\n".format( cell, shells, part_h_res ) )
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part_sh.close()
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# make file executable
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subprocess.call( [ "chmod", "+x", "{0}".format( part_run_file ) ] )
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# return partialator file name
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return part_run_file
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def make_process_dir( dir ):
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# make process directory
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try:
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os.makedirs( dir )
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except OSError as e:
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if e.errno != errno.EEXIST:
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raise
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def summary_stats( cc_dat, ccstar_dat, mult_dat ):
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# read all files into pd
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# function to sort out different column names
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def read_dat( dat, var ):
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# different columns names of each dat file
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if var == "cc":
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cols = [ "d(nm)", "cc", "nref", "d", "min", "max" ]
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elif var == "ccstar":
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cols = [ "1(nm)", "ccstar", "nref", "d", "min", "max" ]
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elif var == "mult":
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cols = [ "d(nm)", "nref", "poss", "comp", "obs",
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"mult", "snr", "I", "d", "min", "max" ]
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df = pd.read_csv( dat, names=cols, skiprows=1, sep="\s+" )
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return df
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# make df
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cc_df = read_dat( cc_dat, "cc" )
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ccstar_df = read_dat( ccstar_dat, "ccstar" )
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mult_df = read_dat( mult_dat, "mult" )
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# remove unwanted cols
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cc_df = cc_df[ [ "cc" ] ]
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ccstar_df = ccstar_df[ [ "ccstar" ] ]
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# merge dfs
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stats_df = pd.concat( [ mult_df, cc_df, ccstar_df], axis=1, join="inner" )
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# make 1/d, 1/d^2 column
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stats_df[ "1_d" ] = 1 / stats_df.d
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stats_df[ "1_d2" ] = 1 / stats_df.d**2
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# reorder cols
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stats_df = stats_df[ [ "1_d", "1_d2", "d", "min",
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"max", "nref", "poss",
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"comp", "obs", "mult",
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"snr", "I", "cc", "ccstar"] ]
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# change nan to 0
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stats_df = stats_df.fillna(0)
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return stats_df
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def get_metric( d2_series, cc_series, cut_off ):
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# Define the tanh function from scitbx
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def tanh(x, r, s0):
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z = (x - s0)/r
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return 0.5 * (1 - np.tanh(z))
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def arctanh( y, r, s0 ):
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return r * np.arctanh( 1 - 2*y ) + s0
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# Fit the tanh to the data
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params, covariance = curve_fit( tanh, d2_series, cc_series )
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# Extract the fitted parameters
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r, s0 = params
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# calculate cut-off point
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cc_stat = arctanh( cut_off, r, s0 )
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# covert back from 1/d2 to d
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cc_stat = np.sqrt( ( 1 / cc_stat ) )
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return cc_stat
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def summary_fig( stats_df ):
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# plot results
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cc_fig, (ax1, ax2) = plt.subplots(1, 2)
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cc_fig.suptitle( "cc and cc* vs resolution" )
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# indexed images plot
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color = "tab:red"
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ax1.set_xlabel( "1/d2 (1/A)" )
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ax1.set_ylabel("CC" )
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ax1.axhline(y = 0.3, color="black", linestyle = "dashed")
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ax1.plot(stats_df[ "1_d" ], stats_df.cc, color=color)
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ax1.tick_params(axis="y", labelcolor=color)
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# label color
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color = "tab:blue"
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ax2.set_xlabel( "1/d (1/A)" )
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ax2.set_ylabel("CC*", color=color)
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ax2.axhline(y = 0.7, color="black", linestyle = "dashed")
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ax2.plot(stats_df[ "1_d" ], stats_df.ccstar, color=color)
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ax2.tick_params(axis='y', labelcolor=color)
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plt.show()
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# save figure
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plt.tight_layout()
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plt.savefig("cc_curves.png")
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def main( cwd, name, stream, pointgroup, model, iterations, cell, shells, part_h_res ):
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print( "begin job" )
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# submitted job set
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submitted_job_ids = set()
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part_dir = "{0}/{1}".format( cwd, name )
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# make part directories
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make_process_dir( part_dir )
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# move to part directory
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os.chdir( part_dir )
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print( "making partialator files" )
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# make partialator run file
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part_run_file = run_partialator( part_dir, name, stream, pointgroup, model, iterations, cell, shells, part_h_res )
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# submit job
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job_id = submit_job( part_run_file )
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print(f"job submitted: {0}".format( job_id ) )
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submitted_job_ids.add( job_id )
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print( "DONE" )
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# use progress bar to track job completion
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wait_for_jobs(submitted_job_ids, 1 )
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print("slurm processing done")
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# stats files names
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cc_dat = "cc.dat"
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ccstar_dat = "ccstar.dat"
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mult_dat = "mult.dat"
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# make summary data table
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stats_df = summary_stats( cc_dat, ccstar_dat, mult_dat )
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print( stats_df.to_string() )
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print_df = stats_df[ [ "1_d", "d", "min",
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"max", "nref", "poss",
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"comp", "obs", "mult",
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"snr", "I", "cc", "ccstar"] ]
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print_df.to_csv( "summary_table.csv", sep="\t", index=False )
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# calculate cc metrics
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cc_cut = get_metric( stats_df[ "1_d2" ], stats_df.cc, 0.3 )
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ccstar_cut = get_metric( stats_df[ "1_d2" ], stats_df.ccstar, 0.7 )
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print( "resolution at CC0.5 at 0.3 = {0}".format( cc_cut ) )
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print( "resolution at CC* at 0.7 = {0}".format( ccstar_cut ) )
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# show plots
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summary_fig( stats_df )
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# move back to top dir
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os.chdir( cwd )
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument(
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"-n",
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"--name",
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help="name of partialator run, also name of folder where data will be processed. Default = partialator",
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type=str,
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default="partialator"
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)
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parser.add_argument(
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"-s",
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"--stream_file",
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help="path to stream file",
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type=os.path.abspath
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)
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parser.add_argument(
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"-p",
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"--pointgroup",
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help="pointgroup used by CrystFEL for partialator run",
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type=str
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)
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parser.add_argument(
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"-m",
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"--model",
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help="model used partialator, e.g., unity or xsphere, unity = default",
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type=str,
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default="unity"
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)
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parser.add_argument(
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"-i",
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"--iterations",
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help="number of iterations used for partialator run. Default = 1",
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type=int,
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default=1
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)
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parser.add_argument(
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"-c",
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"--cell_file",
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help="path to CrystFEL cell file for partialator",
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type=os.path.abspath
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)
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parser.add_argument(
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"-b",
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"--bins",
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help="number of resolution bins to use. Should be more than 20. Default = 20",
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type=int,
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default=20
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)
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parser.add_argument(
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"-r",
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"--resolution",
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help="high res limit - need something here. Default set to 1.3",
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type=int,
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default=1.3
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)
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args = parser.parse_args()
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# run main
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cwd = os.getcwd()
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print( "top working directory = {0}".format( cwd ) )
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main( cwd, args.name, args.stream_file, args.pointgroup, args.model, args.iterations, args.cell_file, args.bins, args.resolution )
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