def gen_alara_fluxin(mesh, fluxin, high_to_low_bool):
"""Create the ALARA fluxin file
Parameters
----------
mesh : ScdMesh or iMesh.Mesh()
Mesh object tagged with flux information to be written.
fluxin : string
Filename/path for ALARA fluxin file.
"""
print "Writing alara fluxin file `{0}'".format(fluxin)
write_alara_fluxin(fluxin, mesh, high_to_low_bool)
print "Will use {0} rays per mesh row".format(mmgrid_rays)
grid = mmgrid.mmGrid( smesh )
grid.generate( mmgrid_rays, False )
grid.createTags()
print "Saving fluxes and materials to `{0}'".format(datafile)
smesh.imesh.save(datafile)
if visfile != None:
print "Producing visualization file `{0}' with mbconvert".format(visfile)
os.system('mbconvert {0} {1}'.format(datafile,visfile))
print "Writing alara problem file `{0}'".format(alara_geom)
mdict = get_material_dict()
write_alara_geom( alara_geom, smesh, mdict )
if alara_snippet:
print "Appending alara snippet file `{0}' to problem file".format(alara_snippet)
with open(alara_geom,'a') as f:
with open(alara_snippet,'r') as snip:
f.write(snip.read())
print "Writing alara fluxin file `{0}'".format(fluxin)
write_alara_fluxin( fluxin, smesh, backwards=True )
print "It should now be possible to run `alara {0}'".format(alara_geom)
print "and proceed to step 2 of the workflow."