improved the conversion of tables to ang files

This commit is contained in:
Martin Diehl 2012-09-26 12:20:14 +00:00
parent b99a846503
commit 6619717baf
2 changed files with 92 additions and 23 deletions

View File

@ -118,7 +118,8 @@ for file in files:
sys.stderr.write('column %s not found...\n'%key) sys.stderr.write('column %s not found...\n'%key)
else: else:
defgrad = numpy.array([0.0 for i in xrange(N*9)]).reshape(list(res)+[3,3]) defgrad = numpy.array([0.0 for i in xrange(N*9)]).reshape(list(res)+[3,3])
table.labels_append(['ip_deformed.%s'%(coord) for coord in 'x','y','z']) # extend ASCII header with new labels table.labels_append(['%s_coords'%(coord+1) for coord in xrange(3)]) # extend ASCII header with new labels
column = table.labels.index(key) column = table.labels.index(key)
# ------------------------------------------ assemble header --------------------------------------- # ------------------------------------------ assemble header ---------------------------------------

View File

@ -85,19 +85,44 @@ Builds an ang file out of ASCII table.
) )
parser.add_option('--coords', dest='coords', type='string', \ parser.add_option('--coords', dest='coords', type='string', \
help='label of coords in ASCII table') help='label of coords in ASCII table')
parser.set_defaults(norm = 'ip') parser.add_option('--eulerangles', dest='eulerangles', type='string', \
help='label of euler angles in ASCII table')
parser.add_option('--defgrad', dest='defgrad', type='string', \
help='label of deformation gradient in ASCII table')
parser.add_option('-n','--normal', dest='normal', type='float', nargs=3, \
help='normal of slices to visualize')
parser.add_option('-u','--up', dest='up', type='float', nargs=3,
help='up direction of slices to visualize')
parser.add_option('-r','--resolution', dest='res', type='int', nargs=3,
help='up direction of slices to visualize')
parser.add_option('-c','--center', dest='center', type='float', nargs=3,
help='center of ang file in cube, negative for center')
parser.set_defaults(coords = 'coords')
parser.set_defaults(eulerangles = 'eulerangles')
parser.set_defaults(defgrad = 'f')
parser.set_defaults(normal = ['0.0','0.0','1.0'])
parser.set_defaults(up = ['1.0','0.0','0.0'])
parser.set_defaults(center = ['-1.0','-1.0','-1.0'])
parser.set_defaults(res = ['16','16','1'])
(options,filenames) = parser.parse_args() (options,filenames) = parser.parse_args()
datainfo = { datainfo = {
'vector': {'len':3, 'vector': {'len':3,
'label':[]},
'tensor': {'len':9,
'label':[]} 'label':[]}
} }
datainfo['vector']['label'] += ['eulerangles'] datainfo['vector']['label'].append(options.coords)
datainfo['vector']['label'].append(options.eulerangles)
datainfo['tensor']['label'].append(options.defgrad)
print options.res[0]
print options.res[1]
print options.res[2]
# ------------------------------------------ setup file handles --------------------------------------- # ------------------------------------------ setup file handles ---------------------------------------
files = [] files = []
@ -118,8 +143,10 @@ for file in files:
table.head_read() # read ASCII header info table.head_read() # read ASCII header info
# --------------- figure out dimension and resolution # --------------- figure out dimension and resolution
try: try:
locationCol = table.labels.index('ip.x') # columns containing location data locationCol = table.labels.index('ip.x') # columns containing location data
except ValueError: except ValueError:
print 'no coordinate data found...' print 'no coordinate data found...'
continue continue
@ -146,7 +173,6 @@ for file in files:
active = {} active = {}
column = {} column = {}
values = {} values = {}
divergence = {}
head = [] head = []
for datatype,info in datainfo.items(): for datatype,info in datainfo.items():
@ -159,8 +185,6 @@ for file in files:
if datatype not in active: active[datatype] = [] if datatype not in active: active[datatype] = []
if datatype not in column: column[datatype] = {} if datatype not in column: column[datatype] = {}
if datatype not in values: values[datatype] = {} if datatype not in values: values[datatype] = {}
if datatype not in divergence: divergence[datatype] = {}
if label not in divergence[datatype]: divergence[datatype][label] = {}
active[datatype].append(label) active[datatype].append(label)
column[datatype][label] = table.labels.index(key) # remember columns of requested data column[datatype][label] = table.labels.index(key) # remember columns of requested data
values[datatype][label] = numpy.array([0.0 for i in xrange(N*datainfo[datatype]['len'])]) values[datatype][label] = numpy.array([0.0 for i in xrange(N*datainfo[datatype]['len'])])
@ -168,27 +192,71 @@ for file in files:
# ------------------------------------------ read value field --------------------------------------- # ------------------------------------------ read value field ---------------------------------------
table.data_rewind() table.data_rewind()
print values['vector']['eulerangles']
print numpy.shape(values['vector']['eulerangles'])
idx = 0 idx = 0
while table.data_read(): # read next data line of ASCII table while table.data_read(): # read next data line of ASCII table
for datatype,labels in active.items(): # loop over vector,tensor for datatype,labels in active.items(): # loop over vector,tensor
for label in labels: # loop over all requested curls for label in labels: # loop over all requested curls
values[datatype][label][idx:idx+3]= numpy.array(map(float,table.data[column[datatype][label]: begin = idx*datainfo[datatype]['len']
end = begin + datainfo[datatype]['len']
values[datatype][label][begin:end]= numpy.array(map(float,table.data[column[datatype][label]:
column[datatype][label]+datainfo[datatype]['len']]),'d') column[datatype][label]+datainfo[datatype]['len']]),'d')
idx+=3 idx+=1
for z in xrange(resolution[2]): hexagonal = True
fileOut=open(os.path.join(os.path.dirname(name),os.path.splitext(os.path.basename(name))[0]+'_%s.ang'%z),'w') if hexagonal:
for line in getHeader(resolution[0],resolution[1],1.0): scale = math.sin(1.0/3.0*math.pi)
else:
scale = 1.0
res0 = int(float(options.res[0])/scale)
print 'res0', res0
print 'res 1', options.res[1]
if hexagonal:
NpointsSlice = res0//2*(int(options.res[1])-1)+(res0-res0//2)*int(options.res[1])
else:
NpointsSlice = res0*int(options.res[1])
print NpointsSlice
z = numpy.array(options.normal,dtype='float')
z = z/numpy.linalg.norm(z)
x = numpy.array(options.up,dtype='float')
x = x/numpy.linalg.norm(x)
y = numpy.cross(z,x)
x = numpy.cross(y,z)
x = x/numpy.linalg.norm(x)
Favg = damask.core.math.tensorAvg(values['tensor']['%s'%(options.defgrad)].reshape(resolution[0],resolution[1],resolution[2],3,3))
mySlice = numpy.zeros(NpointsSlice*3)
eulerangles = values['vector']['%s'%options.eulerangles].reshape([3,N],order='F')
for i in xrange(int(options.res[2])):
idx = 0
shift = 0
offset = numpy.array([0.5,0.5,0.5],dtype='float')/[float(options.res[0]),float(options.res[1]),float(options.res[2])]*[dimension[0],dimension[1],dimension[2]]
for j in xrange(res0):
if hexagonal:
res1=int(options.res[1])-j%2
myOffset = offset +float(j%2)* numpy.array([0.0,0.5,0.0],dtype='float')/[float(options.res[0]),float(options.res[1]),float(options.res[2])]*[dimension[0],dimension[1],dimension[2]]
else:
res1=int(options.res[1])
myOffset = offset
for k in xrange(res1):
mySlice[idx*3:idx*3+3] = numpy.dot(numpy.array([x,y,z],dtype='float'),
numpy.array([j,k,i],dtype='float'))/[float(res0),float(options.res[0]),float(options.res[2])]*[dimension[0],dimension[1],dimension[2]]\
+ myOffset
idx+=1
mySlice = mySlice.reshape([3,NpointsSlice],order='F')
indices=damask.core.math.math_nearestNeighborSearch(3,Favg,numpy.array(
dimension,dtype='float'),NpointsSlice,N,mySlice,values['vector']['%s'%options.coords].reshape([3,N],order='F'))/27
fileOut=open(os.path.join(os.path.dirname(name),os.path.splitext(os.path.basename(name))[0]+'_%s.ang'%i),'w')
for line in getHeader(res0,res1,1.0):
fileOut.write(line + '\n') fileOut.write(line + '\n')
# write data # write data
for counter in xrange(resolution[0]*resolution[1]): for idx in xrange(NpointsSlice):
print z*resolution[0]*resolution[1]*3+counter*3,' - ',z*resolution[0]*resolution[1]*3+counter*3+3 fileOut.write(''.join(['%10.5f'%positiveRadians(angle) for angle in eulerangles[:,indices[idx]]])+
fileOut.write(''.join(['%10.5f'%positiveRadians(angle) for angle in values['vector']['eulerangles'][z*resolution[0]*resolution[1]*3+counter*3:z*resolution[0]*resolution[1]*3+counter*3+3]])+ ' %10.5f %10.5f'%(mySlice[1,idx],mySlice[0,idx])+
''.join(['%10.5f'%coord for coord in [counter%resolution[0],counter//resolution[1]]])+
' 100.0 1.0 0 1 1.0\n') ' 100.0 1.0 0 1 1.0\n')
counter += 1
fileOut.close() fileOut.close()