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DAMASK_EICMD
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further improvements on the conversion, seems to work quite good for the 2D case now

This commit is contained in:
Martin Diehl 2012-09-28 12:10:10 +00:00
parent 6619717baf
commit 6d97a92913
1 changed files with 54 additions and 38 deletions
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82
processing/post/table2ang.py
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@ -93,19 +93,24 @@ parser.add_option('--defgrad', dest='defgrad', type='string', \
help='label of deformation gradient in ASCII table') help='label of deformation gradient in ASCII table')
parser.add_option('-n','--normal', dest='normal', type='float', nargs=3, \ parser.add_option('-n','--normal', dest='normal', type='float', nargs=3, \
help='normal of slices to visualize') help='normal of slices to visualize')
parser.add_option('-s','--size', dest='size', type='float', nargs=3, \
help='physical size of ang file')
parser.add_option('-u','--up', dest='up', type='float', nargs=3, parser.add_option('-u','--up', dest='up', type='float', nargs=3,
help='up direction of slices to visualize') help='up direction of slices to visualize')
parser.add_option('-r','--resolution', dest='res', type='int', nargs=3, parser.add_option('-r','--resolution', dest='res', type='float',
help='up direction of slices to visualize') help='scaling factor for resolution')
parser.add_option('--hexagonal', dest='hex', action='store_true',
help='use in plane hexagonal grid')
parser.add_option('-c','--center', dest='center', type='float', nargs=3, parser.add_option('-c','--center', dest='center', type='float', nargs=3,
help='center of ang file in cube, negative for center') help='center of ang file in cube, negative for center')
parser.set_defaults(coords = 'coords') parser.set_defaults(coords = 'coords')
parser.set_defaults(eulerangles = 'eulerangles') parser.set_defaults(eulerangles = 'eulerangles')
parser.set_defaults(defgrad = 'f') parser.set_defaults(defgrad = 'f')
parser.set_defaults(normal = ['0.0','0.0','1.0']) parser.set_defaults(normal = [0.0,0.0,1.0])
parser.set_defaults(up = ['1.0','0.0','0.0']) parser.set_defaults(size = [1.0,1.0,0.0])
parser.set_defaults(center = ['-1.0','-1.0','-1.0']) parser.set_defaults(up = [1.0,0.0,0.0])
parser.set_defaults(res = ['16','16','1']) parser.set_defaults(center = [-1.0,-1.0,-1.0])
parser.set_defaults(res = 1.0)
(options,filenames) = parser.parse_args() (options,filenames) = parser.parse_args()
datainfo = { datainfo = {
@ -119,10 +124,6 @@ datainfo['vector']['label'].append(options.coords)
datainfo['vector']['label'].append(options.eulerangles) datainfo['vector']['label'].append(options.eulerangles)
datainfo['tensor']['label'].append(options.defgrad) 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 = []
@ -169,6 +170,7 @@ for file in files:
N = resolution.prod() N = resolution.prod()
print '\t%s @ %s'%(dimension,resolution) print '\t%s @ %s'%(dimension,resolution)
# --------------- figure out columns to process # --------------- figure out columns to process
active = {} active = {}
column = {} column = {}
@ -201,55 +203,69 @@ for file in files:
values[datatype][label][begin:end]= numpy.array(map(float,table.data[column[datatype][label]: 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+=1 idx+=1
hexagonal = True
stepSize = 0.0
for i in xrange(3): stepSize+=dimension[i]/resolution[i]/3.0/options.res
print 'step size', stepSize
hexagonal = False
if hexagonal: if hexagonal:
scale = math.sin(1.0/3.0*math.pi) stepSize0 = stepSize * math.sin(1.0/3.0*math.pi)
else: else:
scale = 1.0 stepSize0 = stepSize
res0 = int(float(options.res[0])/scale) print 'step Size in x direction', stepSize0
print 'res0', res0 angRes = int(options.size[0]/stepSize0),\
print 'res 1', options.res[1] int(options.size[1]/stepSize),\
max(int(options.size[2]/stepSize),1)
print 'resolution of ang file', angRes
if hexagonal: if hexagonal:
NpointsSlice = res0//2*(int(options.res[1])-1)+(res0-res0//2)*int(options.res[1]) NpointsSlice = angRes[0]//2*(angRes[1]-1)+(angRes[0]-angRes[0]//2)*angRes[1]
else: else:
NpointsSlice = res0*int(options.res[1]) NpointsSlice = angRes[0]*angRes[1]
print NpointsSlice
z = numpy.array(options.normal,dtype='float') z = numpy.array(options.normal,dtype='float')
z = z/numpy.linalg.norm(z) z = z/numpy.linalg.norm(z)
x = numpy.array(options.up,dtype='float') x = numpy.array(options.up,dtype='float')
x = x/numpy.linalg.norm(x) x = x/numpy.linalg.norm(x)
y = numpy.cross(z,x) y = numpy.cross(z,x)
x = numpy.cross(y,z) x = numpy.cross(y,z)
x = x/numpy.linalg.norm(x) print 'x unit vector', x, 'with norm ', numpy.linalg.norm(x)
print 'y unit vector', y, 'with norm ', numpy.linalg.norm(y)
print 'z unit vector', z, 'with norm ', numpy.linalg.norm(z)
Favg = damask.core.math.tensorAvg(values['tensor']['%s'%(options.defgrad)].\
reshape(resolution[0],resolution[1],resolution[2],3,3))
coordTransform = numpy.array([x,y,z])
print 'rotation matrix', coordTransform
Favg = damask.core.math.tensorAvg(values['tensor']['%s'%(options.defgrad)].reshape(resolution[0],resolution[1],resolution[2],3,3))
mySlice = numpy.zeros(NpointsSlice*3) mySlice = numpy.zeros(NpointsSlice*3)
eulerangles = values['vector']['%s'%options.eulerangles].reshape([3,N],order='F') eulerangles = values['vector']['%s'%options.eulerangles].reshape([3,N],order='F')
for i in xrange(int(options.res[2])):
offset = ((dimension - options.size)/2.0 + (dimension/angRes)/2.0)/options.res
print 'offset', offset
# 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 i in xrange(angRes[2]):
idx = 0 idx = 0
shift = 0 for j in xrange(angRes[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: if hexagonal:
res1=int(options.res[1])-j%2 res1=angRes[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]] #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]]
myOffset = offset +float(j%2)* numpy.array([0.0,0.5*stepSize,0.0],dtype='float')
else: else:
res1=int(options.res[1]) res1=angRes[1]
myOffset = offset myOffset = offset
for k in xrange(res1): for k in xrange(res1):
mySlice[idx*3:idx*3+3] = numpy.dot(numpy.array([x,y,z],dtype='float'), mySlice[idx*3:idx*3+3] = numpy.dot(coordTransform,[j*stepSize0,k*stepSize,i*stepSize]+myOffset)
numpy.array([j,k,i],dtype='float'))/[float(res0),float(options.res[0]),float(options.res[2])]*[dimension[0],dimension[1],dimension[2]]\ #print mySlice[idx*3:idx*3+3]
+ myOffset
idx+=1 idx+=1
mySlice = mySlice.reshape([3,NpointsSlice],order='F') mySlice = mySlice.reshape([3,NpointsSlice],order='F')
indices=damask.core.math.math_nearestNeighborSearch(3,Favg,numpy.array( 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 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') fileOut=open(os.path.join(os.path.dirname(name),os.path.splitext(os.path.basename(name))[0]+'_%s.ang'%(angRes[2]-i-1)),'w')
for line in getHeader(res0,res1,1.0): for line in getHeader(angRes[0],angRes[1],angRes[2]):
fileOut.write(line + '\n') fileOut.write(line + '\n')
# write data # write data