cantera/Cantera/python/Cantera/tecplot.py
2003-04-14 17:57:48 +00:00

42 lines
1.2 KiB
Python
Executable file

"""TECPLOT utilities."""
def write_TECPLOT_zone(fname, title, zone, names, npts, nvar, append, data):
"""
Write a TECPLOT zone specification to generate line plots of multiple
variables.
fname -- file name
title -- plot title
zone -- zone name
names -- sequence of variable names
npts -- number of data points
nvar -- number of variables
append -- if > 0, append to plot file, otherwise overwrite
data -- object to generate plot data. This object must have a
method 'value', defined so that data.value(j,n) returns
the value of variable n at point j.
"""
from Numeric import array, shape
if append > 0:
f = open(fname,'a')
else:
f = open(fname,'w')
f.write('TITLE = "' + title + '"\n')
f.write('VARIABLES = \n')
for nm in names:
f.write('"'+nm+'"\n')
f.write('ZONE T="'+zone+'"\n')
f.write(' I='+`npts`+',J=1,K=1,F=POINT\n')
f.write('DT=(')
for n in range(nvar):
f.write('SINGLE ')
f.write(')\n')
for j in range(npts):
for n in range(nvar):
f.write('%10.4e ' % data[j,n])
f.write('\n')
f.close()