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annotate util.py @ 76:cba9cb3a6797

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from python3.13 with block boundary tracking added by HST
author Henry S Thompson <ht@inf.ed.ac.uk>
date Thu, 12 Mar 2026 18:06:10 +0000
parents 668d788cac47
children
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5488b5d3ba10 use indentation and colour to differentiate safe from unsafe landing place
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1 '''Utility fns for dealing with block .tsv files'''
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2 import math,re
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3
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4 IPAT=re.compile('-?[0-9][0-9]*$')
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5 PPAT=re.compile('[ ,;\[\]]')
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6
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7 Red=''
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8 eRed=''
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9 RedFmt=Red+'%s'+eRed
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10
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11 def intsMaybe(ii):
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12 return (int(i) for i in ii if IPAT.match(i))
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13
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14 def readHeaders(host,infile,skipColHdrs=True):
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15 l=infile.readline().rstrip()
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16 ff=PPAT.split(l)
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17 (host.nr,host.ox,host.oy,host.oz)=intsMaybe(ff)
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18 host.et=ff[9]
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19 l=infile.readline().rstrip()
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20 l2=PPAT.split(l)
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21 if l2[-1]=='bounded':
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22 host.orad=int(l2[1])
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23 host.ymin=host.ymax=-1
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24 else:
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25 (host.orad,host.ymin,host.ymax)=intsMaybe(PPAT.split(l))
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26 if skipColHdrs:
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27 _=infile.readline()
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28
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29 def d(p1,p2):
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30 dx=p1[0]-p2[0]
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31 dz=p1[1]-p2[1]
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32 dy=p1[2]-p2[2]
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33 return math.sqrt((dx*dx)+(dy*dy)+(dz*dz))