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#!/usr/bin/env python
"""
Script to convert the PMT database in RAT to a CSV file (with spaces instead of commas).
"""
from __future__ import print_function, division
import yaml
if __name__ == '__main__':
import argparse
import numpy as np
parser = argparse.ArgumentParser("convert a RATDB file -> CSV file")
parser.add_argument("filename", help="RATDB filename")
parser.add_argument("-o", "--output", help="output filename", required=True)
args = parser.parse_args()
s = ''
with open(args.filename) as f:
for line in f:
if line.startswith('//'):
continue
s += line
data = yaml.load(s)
csv = np.zeros((len(data['x']),7),dtype=np.float64)
csv[:,0] = data['x']
csv[:,1] = data['y']
csv[:,2] = data['z']
csv[:,3] = data['u']
csv[:,4] = data['v']
csv[:,5] = data['w']
csv[:,6] = data['pmt_type']
# reverse PMT normals
csv[:,3] = -csv[:,3]
csv[:,4] = -csv[:,4]
csv[:,5] = -csv[:,5]
header = "Format: x, y, z, u, v, w, pmt_type"
np.savetxt(args.output, csv, fmt=['%10.2f']*6 + ['%i'],
header=header)
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