103 lines
3 KiB
Python
Executable file
103 lines
3 KiB
Python
Executable file
#!/usr/bin/python
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import sys
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if len(sys.argv) != 2:
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print 'script requires name of log file'
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sys.exit()
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logfilename = sys.argv[1]
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print 'Reading file', logfilename
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import re
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UpRegex=r"([A-Z,a-z]*):*.*Solving for Up, Initial residual = \(([0-9.Ee\-+]*)\s([0-9.Ee\-+]*)\s([0-9.Ee\-+]*)\s([0-9.Ee\-+]*)\), Final residual = \(([0-9.Ee\-+]*)\s([0-9.Ee\-+]*)\s([0-9.Ee\-+]*)\s([0-9.Ee\-+]*)\), No Iterations ([0-9]*)"
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kRegex=r"([A-Z,a-z]*):*.*Solving for k, Initial residual = ([0-9.Ee\-+]*), Final residual = ([0-9.Ee\-+]*), No Iterations ([0-9]*)"
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omegaRegex=r"([A-Z,a-z]*):*.*Solving for omega, Initial residual = ([0-9.Ee\-+]*), Final residual = ([0-9.Ee\-+]*), No Iterations ([0-9]*)"
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epsilonRegex=r"([A-Z,a-z]*):*.*Solving for epsilon, Initial residual = ([0-9.Ee\-+]*), Final residual = ([0-9.Ee\-+]*), No Iterations ([0-9]*)"
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tUp = []
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Ux = []
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Uy = []
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Uz = []
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p = []
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iUp = 0
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tk = []
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k = []
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ik = 0
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tomega = []
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omega = []
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iomega = 0
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tepsilon = []
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epsilon = []
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iepsilon = 0
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#HJ take name of log file as script argument
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pipefile=open(logfilename,'r')
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lines = pipefile.readlines()
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for line in lines:
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matchUp=re.search(UpRegex,line)
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if matchUp:
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iUp = iUp + 1
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tUp.append(iUp)
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Ux.append(float(matchUp.group(2)))
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Uy.append(float(matchUp.group(3)))
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Uz.append(float(matchUp.group(4)))
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p.append(float(matchUp.group(5)))
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matchk=re.search(kRegex,line)
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if matchk:
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ik = ik + 1
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tk.append(ik)
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k.append(float(matchk.group(2)))
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matchomega=re.search(omegaRegex,line)
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if matchomega:
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iomega = iomega + 1
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tomega.append(iomega)
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omega.append(float(matchomega.group(2)))
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matchepsilon=re.search(epsilonRegex,line)
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if matchepsilon:
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iepsilon = iepsilon + 1
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tepsilon.append(iepsilon)
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epsilon.append(float(matchepsilon.group(2)))
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# write clean data file
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outfile=open('residual.dat','w')
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if iomega > 0:
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for data in zip(tUp,Ux,Uy,Uz,p,k,omega):
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outfile.write(' '.join([str(d) for d in data])+'\n')
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elif iepsilon > 0:
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for data in zip(tUp,Ux,Uy,Uz,p,k,epsilon):
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outfile.write(' '.join([str(d) for d in data])+'\n')
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elif iUp > 0:
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for data in zip(tUp,Ux,Uy,Uz,p):
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outfile.write(' '.join([str(d) for d in data])+'\n')
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outfile.close()
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# prepare plot
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import pylab
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pylab.xlabel('iteration')
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pylab.ylabel('residual')
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pylab.grid(True)
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# plot in log scale
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if iUp > 0:
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pylab.semilogy(tUp,Ux,'-',label="Ux")
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pylab.semilogy(tUp,Uy,'-',label="Uy")
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pylab.semilogy(tUp,Uz,'-',label="Uz")
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pylab.semilogy(tUp,p,'-',label="p")
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if ik > 0:
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pylab.semilogy(tk,k,'-',label="k")
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if iomega > 0:
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pylab.semilogy(tomega,omega,'-',label="omega")
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if iepsilon > 0:
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pylab.semilogy(tepsilon,epsilon,'-',label="epsilon")
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pylab.legend()
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pylab.show()
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