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Read_XPLTfuncs.py
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import numpy as np
from anytree import NodeMixin, RenderTree, LevelOrderIter
from inspect import currentframe, getframeinfo
frameinfo = getframeinfo(currentframe())
lookup = {'00464542': 'FEB',
'01000000': 'ROOT',
'01010000': 'HEADER',
'01010001': 'VERSION',
'01010002': 'NODES',
'01010003': 'MAX_FACET_NODES',
'01010004': 'COMPRESSION',
'01010005': 'AUTHOR',
'01010006': 'SOFTWARE',
'01020000': 'DICTIONARY',
'01021000': 'GLOBAL_VAR',
'01022000': 'MATERIAL_VAR',
'01023000': 'NODESET_VAR',
'01024000': 'DOMAIN_VAR',
'01025000': 'SURFACE_VAR',
'01020001': 'DICTIONARY_ITEM',
'01020002': 'ITEM_TYPE',
'01020003': 'ITEM_FORMAT',
'01020004': 'ITEM_NAME',
'01020005': 'ITEM_UNKNOWN',
'01030000': 'MATERIALS',
'01030001': 'MATERIAL',
'01030002': 'MATERIAL_ID',
'01030003': 'MATERIAL_NAME',
'01040000': 'MESH',
'01041000': 'NODE_SECTION',
'01041100': 'NODE_HEADER',
'01041101': 'NODES',
'01041102': 'DIM',
'01041103': 'NAME',
'01041200': 'NODE_COORDS',
'01042000': 'DOMAIN_SECTION',
'01042100': 'DOMAIN',
'01042101': 'DOMAIN_HEADER',
'01042102': 'ELEM_TYPE',
'01042103': 'PART_ID',
'01032104': 'ELEMENTS',
'01032105': 'NAME',
'01042200': 'ELEMENT_LIST',
'01042201': 'ELEMENT',
'01043000': 'SURFACE_SECTION',
'01043100': 'SURFACE',
'01043101': 'SURFACE_HEADER',
'01043102': 'SURFACE_ID',
'01043103': 'FACES',
'01043200': 'FACE_LIST',
'01043201': 'FACE',
'01044000': 'NODESET_SECTION',
'01044100': 'NODESET',
'01044101': 'NODESET_HEADER',
'01044102': 'NODESET_ID',
'01044103': 'NODESET_NAME',
'01044104': 'NODESET_SIZE',
'01044200': 'NODELIST',
'01045000': 'PARTS_SECTION',
'01045100': 'PART',
'01045101': 'PART_ID',
'01045102': 'PART_NAME',
'02000000': 'STATE_SECTION',
'02010000': 'STATE_HEADER',
'02010002': 'STATE_TIME',
'02010003': 'STATE_UNKNOWN',
'02020000': 'STATE_DATA',
'02020001': 'STATE_VAR',
'02020002': 'VARIABLE_ID',
'02020003': 'VARIABLE_DATA',
'02020100': 'GLOBAL_DATA',
'02020200': 'MATERIAL_DATA',
'02020300': 'NODE_DATA',
'02020400': 'DOMAIN_DATA',
'02020500': 'SURFACE_DATA',
'02030000': 'STATE_UNKNOWN2',
}
def asHexString(x):
return "{:08x}".format(x)
class xplt_node(NodeMixin):
def __init__(self,name,size=None,read=False,parent=None,children=None):
self.name = name
self.size = size
self.read = read
self.parent = parent
self.debug = False
if children:
self.children = children
def set(self):
self.read = True
if self.parent is not None:
self.parent.set()
def read_file(self,fid):
chunk = np.fromfile(fid,dtype=np.uint32,count=1)
if not lookup[asHexString(chunk[0])]==self.name:
if self.debug:
print("ID not met: looking for, ",self.name,", but found, ",lookup[asHexString(chunk[0])])
print("Assuming",self.name,"not present and continuing")
fid.seek(-4,1)
#return
raise ValueError("ID not met",self.name,lookup[asHexString(chunk[0])])
if self.debug:
print('Reading',self.name)
if self.name != 'FEB':
self.size = np.fromfile(fid,dtype=np.uint32,count=1)[0]
if self.debug:
print('Reading',self.name,self.size, asHexString(chunk[0]))
if self.read == True:
if self.is_leaf:
if self.size>0:
setattr(self, self.name, globals()["CALL_"+self.name](fid,self))
else:
if self.debug:
print(self.name, 'has a size',self.size,'skipping reading it')
else:
for c in self.children:
try:
c.read_file(fid)
except:
c.parent=None #essentially delete the node
else:
fid.seek(self.size,1)
def rank(self):
i=0
for node in LevelOrderIter(self.parent.parent,filter_=lambda n: n.depth==self.depth and n.name==self.name):
if node is self:
return i
i += 1
return i
def find_nstates(fid,feb,state_section):
nstate = 1
feb.read_file(fid)
while(True):
try:
state_section[nstate-1].read_file(fid)
nstate += 1
state_section.append(xplt_node('STATE_SECTION',parent=feb))
except:
return nstate
def read1int32(fid):
return np.fromfile(fid,dtype=np.uint32,count=1)[0]
def readchar(fid,n):
strbits = np.fromfile(fid, dtype=np.int8, count=n)
a_string = ''
for i in strbits:
if i>0:
a_string += chr(i)
else:
return a_string
return a_string
def CALL_DIM(fid,node):
nDim = read1int32(fid)
# print("Number of dimensions is",nDim)
return nDim
def CALL_SOFTWARE(fid,node):
chunk = np.fromfile(fid,dtype=np.int32,count=1)
software = readchar(fid,chunk[0])
# print('Software is',software)
return software
def CALL_ITEM_TYPE(fid,node):
itemtype = read1int32(fid)
# print('Item type is',itemtype)
return itemtype
def CALL_ELEMENTS(fid,node):
nElem = read1int32(fid)
# print('Number of elements is',nElem)
return nElem
def CALL_ELEM_TYPE(fid,node):
elementType = read1int32(fid)
# print('Element type is',elementType)
return elementType
def CALL_ITEM_FORMAT(fid,node):
itemFormat = read1int32(fid)
# print('Item format is',itemFormat)
return itemFormat
def CALL_ITEM_UNKNOWN(fid,node):
chunk = np.fromfile(fid,dtype=np.int32,count=1)
itemUnknown = readchar(fid,chunk[0])
# print('Unknown is',itemUnknown )
return itemUnknown
def CALL_ITEM_NAME(fid,node):
itemName = readchar(fid,64)
# print('Item name is',itemName)
return itemName
def CALL_NODES(fid,node):
nNodes = read1int32(fid)
# print("Number of nodes is",nNodes)
return nNodes
def CALL_NODE_COORDS(fid,node):
nNodes = node.path[0].children[1].children[0].children[0].children[0].NODES
nDim = 3
for i in range(nNodes):
coords = np.fromfile(fid,dtype=np.float32,count=nDim)
return coords
def CALL_STATE_TIME(fid,node):
state_time = np.fromfile(fid,dtype=np.float32,count=1)[0]
# print("State time is",state_time)
return state_time
def CALL_VARIABLE_ID(fid,node):
variableId = read1int32(fid)
# print('Variable_ID is',variableId)
return variableId
def CALL_VARIABLE_DATA(fid,node):
VarId = node.parent.children[0].VARIABLE_ID-1
if node.parent.parent.name == 'NODE_DATA':
nPts = node.path[0].children[1].children[0].children[0].children[0].NODES
ItemType = node.path[0].children[0].children[1].children[0].children[VarId].children[0].ITEM_TYPE
elif node.parent.parent.name == 'DOMAIN_DATA':
nPts = node.path[0].children[1].children[1].children[0].children[0].children[2].ELEMENTS
ItemType = node.path[0].children[0].children[1].children[1].children[VarId].children[0].ITEM_TYPE
nDims = len(node.path[0].children[1].children[1].children)
if ItemType == 0:
DataSize = 1
elif ItemType == 1:
DataSize = nPts*3+1
elif ItemType == 2:
DataSize = nPts*6+1
elif ItemType == 3:
DataSize = nPts*3
elif ItemType == 4:
DataSize = nPts*16
elif ItemType == 5:
DataSize = nPts*9
if node.parent.parent.name == 'NODE_DATA':
chunk = np.fromfile(fid,dtype=np.uint32,count=1)
Data = np.fromfile(fid,dtype=np.float32,count=DataSize)
elif node.parent.parent.name == 'DOMAIN_DATA':
if nPts>1:
chunk = np.fromfile(fid,dtype=np.uint32,count=1)
Data = np.fromfile(fid,dtype=np.float32,count=DataSize)
else:
Ids = []
Data = []
for _ in range(nDims):
Ids.append(np.fromfile(fid,dtype=np.uint32,count=1))
chunk = np.fromfile(fid,dtype=np.float32,count=DataSize)
for i in range(len(chunk))[1:len(chunk)]:
Data.append(chunk[i])
return Data
def ReadObj(obj,Data,DataOut):
if obj.name == 'FEB':
if Data == 'VARIABLE_DATA':
itemNames = ReadObj(obj,'ITEM_NAME',[])
itemTypes = ReadObj(obj,'ITEM_TYPE',[])
stateTimes = ReadObj(obj, 'STATE_TIME', [])
DataOut.append(itemNames)
DataOut.append(itemTypes)
DataOut.append(stateTimes)
for i in range(len(itemNames)):
DataOut.append([])
for j in range(len(stateTimes)):
DataOut[i+3].append([])
if obj.read:
if obj.is_leaf:
if obj.name == Data:
if Data == 'STATE_TIME':
DataOut.append(eval('obj.'+Data))
elif Data == 'VARIABLE_DATA':
pathNames =[]
for i in range(len(obj.path)):
pathNames.append(obj.path[i].name)
nItems = len(DataOut[0])
nStates = len(DataOut[2])
for j in range(nStates):
for i in range(nItems):
if not DataOut[i+3][j]:
if hasattr(obj, Data):
DataOut[i+3][j].append(eval('obj.'+Data))
else:
DataOut[i+3][j].append('N/A')
break
else:
continue
break
elif Data == 'ITEM_NAME':
DataOut.append(eval('obj.'+Data))
elif Data == 'ITEM_TYPE':
DataOut.append(eval('obj.'+Data))
elif Data == 'NODES':
DataOut.append(eval('obj.'+Data))
elif obj.name == 'DOMAIN_SECTION' and Data == 'ELEMENTS':
if len(obj.children) ==1:
DataOut.append(eval('obj.children[0].children[0].children[2].'+Data))
else:
DataOut.append(len(obj.children))
else:
for i in range(len(obj.children)):
DataOut = ReadObj(obj.children[i],Data,DataOut)
return DataOut
class xpltObj:
def __init__(self,filename,filesize,nstates, feb):
self.filename = filename
self.filesize = filesize
self.nstates = nstates
self.tree = feb
self.nNodes = ReadObj(feb,'NODES',[])[0]
self.nElems = ReadObj(feb,'ELEMENTS',[])[0]
self.VarData = ReadObj(feb,'VARIABLE_DATA',[])
self.VarNames = self.VarData[0]
self.nVar = len(self.VarData[0])
self.VarType = self.VarData[1]
self.StateTimes = self.VarData[2]
# Get Variable 2
self.Stress_X = np.zeros((nstates,self.nElems))
self.Stress_Y = np.zeros((nstates,self.nElems))
self.Stress_Z = np.zeros((nstates,self.nElems))
self.Stress_XY = np.zeros((nstates,self.nElems))
self.Stress_YZ = np.zeros((nstates,self.nElems))
self.Stress_XZ = np.zeros((nstates,self.nElems))
self.Disp_X = np.zeros((nstates,self.nNodes))
self.Disp_Y = np.zeros((nstates,self.nNodes))
self.Disp_Z = np.zeros((nstates,self.nNodes))
for i in range(self.nstates):
for j in range(self.nVar):
if self.VarData[0][j] =='stress':
break
stress = self.VarData[j+3][i][0]
for j in range(self.nElems):
self.Stress_X[i,j] = stress[j*6+1]
self.Stress_Y[i,j] = stress[j*6+2]
self.Stress_Z[i,j] = stress[j*6+3]
self.Stress_XY[i,j] = stress[j*6+4]
self.Stress_YZ[i,j] = stress[j*6+5]
self.Stress_XZ[i,j] = stress[j*6+6]
for j in range(self.nVar):
if self.VarData[0][j] =='displacement':
break
displacement = self.VarData[j+3][i][0]
for j in range(self.nNodes):
self.Disp_X[i,j] = displacement[j*3+1]
self.Disp_Y[i,j] = displacement[j*3+2]
self.Disp_Z[i,j] = displacement[j*3+3]
def GetData(feb,Var,States):
VarData = []
VarDataObj = ReadObj(feb,'VARIABLE_DATA',[])
VarId = VarDataObj[0].index(Var)
for i in range(States):
VarData.append(VarDataObj[VarId+3][i][0])
return VarData
def GetMeshInfo(feb):
nNodes = ReadObj(feb,'NODES',[])[0]
nElems = ReadObj(feb,'ELEMENTS',[])[0]
VarData = ReadObj(feb,'VARIABLE_DATA',[])
VarNames = VarData[0]
nVar = len(VarData[0])
VarType = VarData[1]
StateTimes = VarData[2]
return nNodes, nElems, nVar, StateTimes, VarNames, VarType
def GetFEB(filename,nDoms, Tree):
feb = xplt_node('FEB')
feb.set()
root = xplt_node('ROOT',parent=feb)
mesh = xplt_node('MESH',parent=feb)
state_section = []
state_section.append(xplt_node('STATE_SECTION',parent=feb))
fid = open(filename, 'rb')
fid.seek(0,2)
file_size=fid.tell()
fid.seek(0)
nstates = find_nstates(fid,feb,state_section)
fid.seek(0)
header = xplt_node('HEADER',parent=root)
version = xplt_node('VERSION',parent=header)
compression = xplt_node('COMPRESSION',parent=header)
software = xplt_node('SOFTWARE',parent=header)
dictionary = xplt_node('DICTIONARY',parent=root)
nodeset_var = xplt_node('NODESET_VAR',parent=dictionary)
domain_var = xplt_node('DOMAIN_VAR',parent=dictionary)
surface_var = xplt_node('SURFACE_VAR',parent=dictionary)
dictionary_item_nodeset = []
dictionary_item_domain = []
dictionary_item_surface = []
item_type = []
item_format = []
item_unknown = []
item_name = []
MAXVAR = 2
for i in range(MAXVAR): #assume there are maximum MAXVAR dictionary items for each (global, nodeset, domain, and surface)
dictionary_item_nodeset.append(xplt_node('DICTIONARY_ITEM',parent=nodeset_var))
item_type.append(xplt_node('ITEM_TYPE',parent=dictionary_item_nodeset[i]))
item_format.append(xplt_node('ITEM_FORMAT',parent=dictionary_item_nodeset[i]))
item_unknown.append(xplt_node('ITEM_UNKNOWN',parent=dictionary_item_nodeset[i]))
item_name.append(xplt_node('ITEM_NAME',parent=dictionary_item_nodeset[i]))
item_type[-1].set()
item_name[-1].set()
item_format[-1].set()
dictionary_item_domain.append(xplt_node('DICTIONARY_ITEM',parent=domain_var))
item_type.append(xplt_node('ITEM_TYPE',parent=dictionary_item_domain[i]))
item_format.append(xplt_node('ITEM_FORMAT',parent=dictionary_item_domain[i]))
item_unknown.append(xplt_node('ITEM_UNKNOWN',parent=dictionary_item_domain[i]))
item_name.append(xplt_node('ITEM_NAME',parent=dictionary_item_domain[i]))
item_type[-1].set()
item_name[-1].set()
item_format[-1].set()
dictionary_item_surface.append(xplt_node('DICTIONARY_ITEM',parent=surface_var))
item_type.append(xplt_node('ITEM_TYPE',parent=dictionary_item_surface[i]))
item_format.append(xplt_node('ITEM_FORMAT',parent=dictionary_item_surface[i]))
item_unknown.append(xplt_node('ITEM_UNKNOWN',parent=dictionary_item_surface[i]))
item_name.append(xplt_node('ITEM_NAME',parent=dictionary_item_surface[i]))
item_type[-1].set()
item_format[-1].set()
node_section = xplt_node('NODE_SECTION',parent=mesh)
domain_section = xplt_node('DOMAIN_SECTION',parent=mesh)
surface_section = xplt_node('SURFACE_SECTION',parent=mesh)
nodeset_section = xplt_node('NODESET_SECTION',parent=mesh)
parts_section = xplt_node('PARTS_SECTION',parent=mesh)
node_header = xplt_node('NODE_HEADER',parent=node_section)
node_coords = xplt_node('NODE_COORDS',parent=node_section)
if nDoms > 1:
domains = []
for _ in range(nDoms):
domains.append(xplt_node('DOMAIN',parent=domain_section))
else:
domains = [xplt_node('DOMAIN',parent=domain_section)]
nodes = xplt_node('NODES',parent=node_header)
dim = xplt_node('DIM',parent=node_header)
for domain in domains:
domain_header = xplt_node('DOMAIN_HEADER',parent=domain)
elem_type = xplt_node('ELEM_TYPE',parent=domain_header)
part_id = xplt_node('PART_ID',parent=domain_header)
elements = xplt_node('ELEMENTS',parent=domain_header)
elem_type.set()
elements.set()
element_list = xplt_node('ELEMENT_LIST',parent=domain)
surface = xplt_node('SURFACE',parent=surface_section)
surface_header = xplt_node('SURFACE_HEADER',parent=surface_section)
state_header = []
state_unknown2 = []
state_data = []
state_time = []
state_unknown = []
node_data = []
domain_data = []
state_var_node = []
variable_id_node = []
variable_data_node = []
state_var_domain = []
variable_id_domain = []
variable_data_domain = []
variable_data_domain = []
for i in range(nstates):
state_header.append(xplt_node('STATE_HEADER',parent=state_section[i]))
state_time.append(xplt_node('STATE_TIME',parent=state_header[i]))
state_unknown.append(xplt_node('STATE_UNKNOWN',parent=state_header[i]))
state_unknown2.append(xplt_node('STATE_UNKNOWN2',parent=state_section[i]))
state_data.append(xplt_node('STATE_DATA',parent=state_section[i]))
node_data.append(xplt_node('NODE_DATA',parent=state_data[i]))
state_var_node.append(xplt_node('STATE_VAR',parent=node_data[i]))
variable_id_node.append(xplt_node('VARIABLE_ID',parent=state_var_node[-1]))
variable_data_node.append(xplt_node('VARIABLE_DATA',parent=state_var_node[-1]))
variable_data_node[-1].set()
variable_id_node[-1].set()
domain_data.append(xplt_node('DOMAIN_DATA',parent=state_data[i]))
for j in range(MAXVAR):
state_var_domain.append(xplt_node('STATE_VAR',parent=domain_data[i]))
variable_id_domain.append(xplt_node('VARIABLE_ID',parent=state_var_domain[-1]))
variable_data_domain.append(xplt_node('VARIABLE_DATA',parent=state_var_domain[-1]))
variable_id_domain[-1].set()
variable_data_domain[-1].set()
variable_data_domain[-1].set()
nodeset_var.set()
domain_var.set()
software.set()
nodes.set()
dim.set()
domain.set()
# node_coords.set()
elem_type.set()
elements.set()
for i in range(nstates):
state_time[i].set()
feb.read_file(fid)
if Tree:
for pre,fill,node in RenderTree(feb):
treestr = u"%s%s" %(pre,node.name)
print(treestr.ljust(8),node.name,node.read,node.size)
return feb, file_size, nstates, mesh