DAMASK_EICMD/processing/pre/spectral_geomCheck

159 lines
4.7 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: UTF-8 no BOM -*-
import os,sys,string,numpy
from optparse import OptionParser, OptionGroup, Option, SUPPRESS_HELP
# -----------------------------
class extendedOption(Option):
# -----------------------------
# used for definition of new option parser action 'extend', which enables to take multiple option arguments
# taken from online tutorial http://docs.python.org/library/optparse.html
ACTIONS = Option.ACTIONS + ("extend",)
STORE_ACTIONS = Option.STORE_ACTIONS + ("extend",)
TYPED_ACTIONS = Option.TYPED_ACTIONS + ("extend",)
ALWAYS_TYPED_ACTIONS = Option.ALWAYS_TYPED_ACTIONS + ("extend",)
def take_action(self, action, dest, opt, value, values, parser):
if action == "extend":
lvalue = value.split(",")
values.ensure_value(dest, []).extend(lvalue)
else:
Option.take_action(self, action, dest, opt, value, values, parser)
def outStdout(cmd,locals):
if cmd[0:3] == '(!)':
exec(cmd[3:])
elif cmd[0:3] == '(?)':
cmd = eval(cmd[3:])
print cmd
else:
print cmd
return
def outFile(cmd,locals):
if cmd[0:3] == '(!)':
exec(cmd[3:])
elif cmd[0:3] == '(?)':
cmd = eval(cmd[3:])
locals['filepointer'].write(cmd+'\n')
else:
locals['filepointer'].write(cmd+'\n')
return
def output(cmds,locals,dest):
for cmd in cmds:
if isinstance(cmd,list):
output(cmd,locals,dest)
else:
{\
'File': outFile,\
'Stdout': outStdout,\
}[dest](str(cmd),locals)
return
# +++++++++++++++++++++++++++++++++++++++++++++++++++
def vtk_writeASCII_mesh(dim,res,data):
# +++++++++++++++++++++++++++++++++++++++++++++++++++
""" function writes data array defined on a rectilinear grid """
N = res[0]*res[1]*res[2]
cmds = [\
'# vtk DataFile Version 3.1',
string.replace('powered by $Id$','\n','\\n')
'ASCII',
'DATASET RECTILINEAR_GRID',
'DIMENSIONS %i %i %i'%(res[0]+1,res[1]+1,res[2]+1),
'X_COORDINATES %i float'%(res[0]+1),
' '.join(map(str,[i*dim[0]/res[0] for i in range(res[0]+1)])),
'Y_COORDINATES %i float'%(res[1]+1),
' '.join(map(str,[i*dim[1]/res[1] for i in range(res[1]+1)])),
'Z_COORDINATES %i float'%(res[2]+1),
' '.join(map(str,[i*dim[2]/res[2] for i in range(res[2]+1)])),
'CELL_DATA %i'%N,
]
for datatype in data:
for item in data[datatype]:
cmds += [\
'%s %s float'%(datatype.upper()+{True:'',False:'S'}[datatype.lower().endswith('s')],item),
'LOOKUP_TABLE default',
[[['\t'.join(map(str,data[datatype][item][:,j,k]))] for j in range(res[1])] for k in range(res[2])]
]
return cmds
# ----------------------- MAIN -------------------------------
mapping = {
'resolution': {'a':0,'b':1,'c':2},
'dimension': {'x':0,'y':1,'z':2},
}
parser = OptionParser(option_class=extendedOption, usage='%prog geomfile[s]', description = """
Produce VTK point file from geom data
""" + string.replace('$Id$','\n','\\n')
)
(options, args) = parser.parse_args()
for filename in args:
if not os.path.exists(filename):
continue
print filename
file = open(filename)
res = [0,0,0]
resolutionData = file.readline().split()
if resolutionData[0].lower() != 'resolution':
sys.stderr.write('no resolution info found...\n')
continue
else:
for i in range(1,6,2):
if resolutionData[i] not in mapping['resolution']:
sys.stderr.write('corrupt resolution info...\n')
continue
else:
res[mapping['resolution'][resolutionData[i]]] = int(resolutionData[i+1])
N = res[0]*res[1]*res[2]
dim = [0.0,0.0,0.0]
dimensionData = file.readline().split()
if dimensionData[0].lower() != 'dimension':
sys.stderr.write('no dimension info found...\n')
continue
else:
for i in range(1,6,2):
if dimensionData[i] not in mapping['dimension']:
sys.stderr.write('corrupt dimension info...\n')
continue
else:
dim[mapping['dimension'][dimensionData[i]]] = float(dimensionData[i+1])
print 'dimension',dim
file.readline() # skip homogenization
data = {'scalar':{'texture':numpy.zeros(N,'i').reshape(res[2],res[1],res[0]).T}}
for k in range(res[2]):
for j in range(res[1]):
for i in range(res[0]):
data['scalar']['texture'][i,j,k] = int(file.readline().split()[0])
out = {}
out['mesh'] = vtk_writeASCII_mesh(dim,res,data)
for what in out.keys():
(head,tail) = os.path.split(filename)
vtk = open(os.path.join(head,'%s_'%what+os.path.splitext(tail)[0]+'.vtk'), 'w')
output(out[what],{'filepointer':vtk},'File')
vtk.close()