added capability to respect "origin" information in header

This commit is contained in:
Philip Eisenlohr 2012-06-26 18:07:38 +00:00
parent cd04f990c5
commit fd3d592333
1 changed files with 24 additions and 22 deletions

View File

@ -58,7 +58,7 @@ def output(cmds,locals,dest):
# +++++++++++++++++++++++++++++++++++++++++++++++++++
def vtk_writeASCII_mesh(dim,res,data):
def vtk_writeASCII_mesh(dim,res,origin,data):
# +++++++++++++++++++++++++++++++++++++++++++++++++++
""" function writes data array defined on a rectilinear grid """
N = res[0]*res[1]*res[2]
@ -70,11 +70,11 @@ def vtk_writeASCII_mesh(dim,res,data):
'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)])),
' '.join(map(str,[i*dim[0]/res[0]+origin[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)])),
' '.join(map(str,[i*dim[1]/res[1]+origin[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)])),
' '.join(map(str,[i*dim[2]/res[2]+origin[2] for i in range(res[2]+1)])),
'CELL_DATA %i'%N,
]
@ -94,10 +94,12 @@ def vtk_writeASCII_mesh(dim,res,data):
identifiers = {
'resolution': ['a','b','c'],
'dimension': ['x','y','z'],
'origin': ['x','y','z'],
}
mappings = {
'resolution': lambda x: int(x),
'dimension': lambda x: float(x),
'origin': lambda x: float(x),
}
parser = OptionParser(option_class=extendedOption, usage='%prog [geomfile[s]]', description = """
@ -137,37 +139,37 @@ for file in files:
content = file['input'].readlines()
file['input'].close()
resolution = [0,0,0]
dimension = [0.0,0.0,0.0]
info = {'resolution': [0,0,0],
'dimension': [0.0,0.0,0.0],
'origin': [0.0,0.0,0.0],
}
for header in headers:
headitems = header.split()
if headitems[0] == 'resolution': # located resolution entry
for i in xrange(3):
resolution[i] = mappings['resolution'](headitems[headitems.index(identifiers['resolution'][i])+1])
if headitems[0] == 'dimension': # located dimension entry
for i in xrange(3):
dimension[i] = mappings['dimension'](headitems[headitems.index(identifiers['dimension'][i])+1])
headitems = map(str.lower,header.split())
if headitems[0] in identifiers.keys():
for i in xrange(len(identifiers[headitems[0]])):
info[headitems[0]][i] = mappings[headitems[0]](headitems[headitems.index(identifiers[headitems[0]][i])+1])
if resolution == [0,0,0]:
if info['resolution'] == [0,0,0]:
print 'no resolution info found.'
sys.exit(1)
if dimension == [0.0,0.0,0.0]:
if info['dimension'] == [0.0,0.0,0.0]:
print 'no dimension info found.'
sys.exit(1)
print 'resolution: %s'%(' x '.join(map(str,resolution)))
print 'dimension: %s'%(' x '.join(map(str,dimension)))
print 'resolution: %s'%(' x '.join(map(str,info['resolution'])))
print 'dimension: %s'%(' x '.join(map(str,info['dimension'])))
print 'origin: %s'%(' : '.join(map(str,info['origin'])))
data = {'scalar':{'structure':numpy.zeros(resolution,'i')}}
data = {'scalar':{'structure':numpy.zeros(info['resolution'],'i')}}
i = 0
for line in content:
for item in map(int,line.split()):
data['scalar']['structure'][i%resolution[0],(i/resolution[0])%resolution[1],i/resolution[0]/resolution[1]] = item
data['scalar']['structure'][i%info['resolution'][0],(i/info['resolution'][0])%info['resolution'][1],i/info['resolution'][0]/info['resolution'][1]] = item
i += 1
out = {}
out['mesh'] = vtk_writeASCII_mesh(dimension,resolution,data)
out['mesh'] = vtk_writeASCII_mesh(info['dimension'],info['resolution'],info['origin'],data)
for what in out.keys():
if file['name'] == 'STDIN':