Files
Estia-MCNP/plot_tally.py

138 lines
4.7 KiB
Python

#!/usr/bin/env python
#-*- coding: utf-8 -*-
"""
Generate nice graphs from mesh-tally 1 mctal files.
At the current stage only simple text processing is done that doesn't work with
multiple tallies or energy dependent meshes, yet.
"""
import gzip
from numpy import *
from pylab import *
from matplotlib.colors import LogNorm
COLORMAP='tab20c'
SCALING=1.56e16/8.7374e15
def read_tally(fname, use_tally=None):
if fname.endswith('.gz'):
txt=gzip.open(fname, 'r').read()
else:
txt=open(fname, 'r').read()
tally_ranges=[]
tidx=0
while 'tally' in txt[tidx+1:]:
tidx=txt.index('tally ', tidx+1)
tnr=int(txt[tidx:].split(None,3)[1])
if len(tally_ranges)>0:
tally_ranges[-1][2]=tidx-1
tally_ranges.append([tnr, tidx, -1])
if use_tally is None:
txt=txt[tally_ranges[0][1]:tally_ranges[0][2]]
else:
tidx=[ti[0] for ti in tally_ranges].index(use_tally)
txt=txt[tally_ranges[tidx][1]:tally_ranges[tidx][2]]
header, data=txt.split('vals')
# get dimensions of data
fstart=header.index('\nf ')
hi=header[fstart+3:].splitlines()[0]
N,nE,nX,nY,nZ=map(int, hi.strip().split())
grid=header[fstart+3+len(hi):header.index('\nd ')]
grid=array(grid.replace('\n', '').strip().split(), dtype=float)
x=grid[:nX+1]
y=grid[nX+1:nX+nY+2]
z=grid[nX+nY+2:nX+nY+nZ+3]
data=array(data.replace('\n','').strip().split(), dtype=float)
I,dI=data.reshape(nZ, nY, nX, 2).transpose(3,2,1,0)
return x,y,z,I,dI
def plot_xy(outfile, res, zidx=5, Imin=1e-6, Imax=1e4, cticks=None):
x,y,z,I,dI=res
fig=gcf()
ax=gca()
p=ax.pcolormesh(x/100., y/100., I[:,:,zidx].T, norm=LogNorm(Imin, Imax), cmap=COLORMAP)
ax.set_aspect('equal')
fig.colorbar(p, orientation='horizontal', shrink=0.9, ticks=cticks, label='Dose rate [Sv/h]')
xlabel('x [m]')
ylabel('y [m]')
title('XY plane at z=%.1fm'%((z[zidx]+z[zidx+1])/200.))
fig.subplots_adjust()
#fig.savefig(outfile)
#pc=p.get_facecolors()
#pc[:,3]=where(I[:,:,zidx].T.flatten()>0, 0.9-0.25*dI[:,:,zidx].T.flatten(), 0.)
ax.add_patch(Circle((0,0), radius=5.50, color='black', fill=False, lw=2))
ax.add_patch(Circle((0,0), radius=11.50, color='black', fill=False, lw=2))
ax.add_patch(Circle((0,0), radius=15.00, color='black', fill=False, lw=2))
if outfile is not None:
fig.savefig(outfile, transparent=False, dpi=300)
def plot_xz(outfile, res, yidx=5, Imin=1e-6, Imax=1e4, cticks=None):
x,y,z,I,dI=res
fig=gcf()
ax=gca()
p=ax.pcolormesh(x/100., z/100., I[:,yidx].T, norm=LogNorm(Imin, Imax), cmap=COLORMAP)
ax.set_aspect('equal')
fig.colorbar(p, orientation='horizontal', shrink=0.9, ticks=cticks, label='Dose rate [Sv/h]')
xlabel('x [m]')
ylabel('z [m]')
ypos=(y[yidx]+y[yidx+1])/200.
title('XZ plane at y=%.1fm'%ypos)
fig.subplots_adjust()
#fig.savefig(outfile)
#pc=p.get_facecolors()
#pc[:,3]=where(I[:,yidx].T.flatten()>0, 0.9-0.25*dI[:,yidx].T.flatten(), 0.)
ax.plot([sqrt(5.5**2-ypos**2), sqrt(5.5**2-ypos**2)], [z.min()/100., z.max()/100.], color='black', lw=2)
ax.plot([sqrt(11.5**2-ypos**2), sqrt(11.5**2-ypos**2)], [z.min()/100., z.max()/100.], color='black', lw=2)
ax.plot([sqrt(15.0**2-ypos**2), sqrt(15.0**2-ypos**2)], [z.min()/100., z.max()/100.], color='black', lw=2)
if outfile is not None:
fig.savefig(outfile, transparent=False, dpi=300)
def plot_yz(outfile, res, xidx=5, Imin=1e-6, Imax=1e4, cticks=None):
x,y,z,I,dI=res
fig=gcf()
ax=gca()
p=ax.pcolormesh(y/100., z/100., I[xidx].T, norm=LogNorm(Imin, Imax), cmap=COLORMAP)
ax.set_aspect('equal')
fig.colorbar(p, orientation='horizontal', shrink=0.9, ticks=cticks, label='Dose rate [Sv/h]')
xlabel('y [m]')
ylabel('z [m]')
title('YZ plane at x=%.1fm'%((x[xidx]+x[xidx+1])/200.))
fig.subplots_adjust()
#fig.savefig(outfile)
#pc=p.get_facecolors()
#pc[:,3]=where(I[xidx].T.flatten()>0, 0.9-0.25*dI[xidx].T.flatten(), 0.)
if outfile is not None:
fig.savefig(outfile, transparent=False, dpi=300)
if __name__=='__main__':
import sys, os
res=read_tally(sys.argv[1], use_tally=1)
x,y,z,I,dI=res
I*=SCALING
fpre=os.path.join('.', 'images', os.path.basename(sys.argv[1])[:-4])
xi, yi, zi=res[3].shape
for zidx in range(zi):
print fpre+'_xy_%02i.png'%zidx
figure(figsize=(12,8))
plot_xy(fpre+'_xy_%02i.png'%zidx, res, zidx=zidx,
Imin=1e-8, Imax=1e2, cticks=[1e-8, 1e-6, 1e-4, 1e-2, 1, 100])
for yidx in range(yi):
print fpre+'_xz_%02i.png'%yidx
figure(figsize=(12,8))
plot_xz(fpre+'_xz_%02i.png'%yidx, res, yidx=yidx,
Imin=1e-8, Imax=1e2, cticks=[1e-8, 1e-6, 1e-4, 1e-2, 1, 100])
for xidx in range(xi):
print fpre+'_yz_%02i.png'%xidx
figure(figsize=(8,10))
plot_yz(fpre+'_yz_%02i.png'%xidx, res, xidx=xidx,
Imin=1e-8, Imax=1e2, cticks=[1e-8, 1e-6, 1e-4, 1e-2, 1, 100])