added capability to deal with (Marc, spectral) output files that have less than every increment stored.
This commit is contained in:
Philip Eisenlohr
parent
314adae1bb
commit
dd11ef3072
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@ -54,8 +54,13 @@ class MPIEspectral_result: # mimic py_post result object
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wd = ''
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geometry = ''
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extrapolate = ''
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N_loadcases = 0
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N_increments = 0
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_frequencies = []
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_increments = []
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_times = []
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increment = 0
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position = 0
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time = 0.0 # this is a dummy at the moment, we need to parse the load file and figure out what time a particular increment corresponds to
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N_nodes = 0
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N_node_scalars = 0
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@ -70,24 +75,37 @@ class MPIEspectral_result: # mimic py_post result object
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self.theTitle = self._keyedString('load')
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self.wd = self._keyedString('workingdir')
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self.geometry = self._keyedString('geometry')
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self.N_increments = self._keyedInt('increments')
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self.N_element_scalars = self._keyedInt('materialpoint_sizeResults')
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self.N_loadcases = self._keyedInt('loadcases',default=1)
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self._frequencies = self._keyedInts('frequencies',self.N_loadcases,1)
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self._increments = self._keyedInts('increments',self.N_loadcases)
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self._increments[0] -= 1 # delete zero'th entry
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self._times = self._keyedFloats('times',self.N_loadcases,0.0)
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self.dimension = self._keyedPackedArray('dimension',3,'d')
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self.resolution = self._keyedPackedArray('resolution',3,'i')
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self.N_nodes = (self.resolution[0]+1)*(self.resolution[1]+1)*(self.resolution[2]+1)
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self.N_elements = self.resolution[0] * self.resolution[1] * self.resolution[2]
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self.dimension = self._keyedPackedArray('dimension',3,'d')
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self.N_element_scalars = self._keyedInt('materialpoint_sizeResults')
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self.file.seek(0)
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self.dataOffset = self.file.read(2048).find('eoh')+7
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self.N_increments = 1 # add zero'th entry
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for i in range(self.N_loadcases):
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self.N_increments += self._increments[i]//self._frequencies[i]
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def __str__(self):
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return '\n'.join([
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'title: %s'%self.theTitle,
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'workdir: %s'%self.wd,
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'geometry: %s'%self.geometry,
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'extrapolation: %s'%self.extrapolate,
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'loadcases: %i'%self.N_loadcases,
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'increments: %i'%self.N_increments,
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'increment: %i'%self.increment,
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'position: %i'%self.position,
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'time: %i'%self.time,
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'nodes: %i'%self.N_nodes,
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'resolution: %s'%(','.join(map(str,self.resolution))),
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'dimension: %s'%(','.join(map(str,self.dimension))),
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@ -108,16 +126,34 @@ class MPIEspectral_result: # mimic py_post result object
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values.append(struct.unpack(type,i)[0])
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return values
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def _keyedInt(self,identifier):
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value = None
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def _keyedInt(self,identifier,default=None):
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value = default
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self.file.seek(0)
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m = re.search('%s%s'%(identifier,'(.{4})'),self.file.read(2048),re.DOTALL)
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if m:
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value = struct.unpack('i',m.group(1))[0]
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return value
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def _keyedString(self,identifier):
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value = None
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def _keyedInts(self,identifier,number=1,default=None):
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values = [default]*number
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self.file.seek(0)
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m = re.search('%s%s'%(identifier,'(.{4})'*number),self.file.read(2048),re.DOTALL)
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if m:
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for i in range(number):
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values[i] = struct.unpack('i',m.group(1+i))[0]
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return values
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def _keyedFloats(self,identifier,number=1,default=None):
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values = [default]*number
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self.file.seek(0)
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m = re.search('%s%s'%(identifier,'(.{8})'*number),self.file.read(2048),re.DOTALL)
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if m:
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for i in range(number):
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values[i] = struct.unpack('d',m.group(1+i))[0]
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return values
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def _keyedString(self,identifier,default=None):
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value = default
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self.file.seek(0)
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m = re.search(r'(.{4})%s(.*?)\1'%identifier,self.file.read(2048),re.DOTALL)
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if m:
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@ -127,8 +163,20 @@ class MPIEspectral_result: # mimic py_post result object
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def title(self):
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return self.theTitle
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def moveto(self,inc):
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self.increment = inc
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def moveto(self,pos):
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self.position = pos
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self.increment = 0
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self.time = 0.0
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p = pos
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for l in range(self.N_loadcases):
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if p <= self._increments[l]//self._frequencies[l]:
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break
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else:
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self.increment += self._increments[l]
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self.time += self._times[l]
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p -= self._increments[l]//self._frequencies[l]
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self.increment += self._frequencies[l] * p
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self.time += self._times[l]/self._increments[l] * self._frequencies[l] * p
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def extrapolation(self,value):
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self.extrapolate = value
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@ -180,7 +228,7 @@ class MPIEspectral_result: # mimic py_post result object
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return self.N_element_scalars
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def element_scalar(self,e,idx):
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self.file.seek(self.dataOffset+(self.increment*(4+self.N_elements*self.N_element_scalars*8+4) + 4+(e*self.N_element_scalars + idx)*8))
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self.file.seek(self.dataOffset+(self.position*(4+self.N_elements*self.N_element_scalars*8+4) + 4+(e*self.N_element_scalars + idx)*8))
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value = struct.unpack('d',self.file.read(8))[0]
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return [elemental_scalar(node,value) for node in self.element(e).items]
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@ -405,16 +453,19 @@ def ParseOutputFormat(filename,what,me):
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# parse .output* files in order to get a list of outputs
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# -----------------------------
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content = []
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format = {'outputs':{},'specials':{'brothers':[]}}
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for prefix in ['']+map(str,range(1,17)):
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if os.path.exists(prefix+filename+'.output'+what):
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break
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try:
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file = open(prefix+filename+'.output'+what)
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content = file.readlines()
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file.close()
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break
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except:
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return format
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pass
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if content == []: return format # nothing found...
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tag = ''
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tagID = 0
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@ -714,9 +765,6 @@ bg.start()
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# --- parse .output and .t16 files
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filename = os.path.splitext(files[0])[0]
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dirname = os.path.abspath(os.path.dirname(filename))+os.sep+options.directory
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if not os.path.isdir(dirname):
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os.mkdir(dirname,0755)
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outputFormat = {}
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me = {
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@ -732,7 +780,6 @@ for what in me:
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if not '_id' in outputFormat[what]['specials']:
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print "'%s' not found in <%s>"%(me[what], what)
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print '\n'.join(map(lambda x:' '+x, outputFormat[what]['specials']['brothers']))
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sys.exit(1)
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bg.set_message('opening result file...')
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p = OpenPostfile(filename,options.filetype)
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@ -919,6 +966,12 @@ bg.set_message('sorting groups...')
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groups.sort(key = sortKeys) # in-place sorting to save mem
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# --------------------------- create output directory --------------------------------
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dirname = os.path.abspath(os.path.dirname(filename))+os.sep+options.directory
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if not os.path.isdir(dirname):
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os.mkdir(dirname,0755)
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fileOpen = False
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assembleHeader = True
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header = []
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@ -935,7 +988,6 @@ time_start = time.time()
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for incCount,increment in enumerate(increments):
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p.moveto(increment+offset_inc)
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# --------------------------- file management --------------------------------
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if options.separateFiles:
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@ -1043,7 +1095,7 @@ for incCount,increment in enumerate(increments):
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file.write('\t'.join(standard + header) + '\n')
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headerWritten = True
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file.write('\t'.join(map(str,[increment] + \
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file.write('\t'.join(map(str,[p.increment] + \
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{True:[p.time],False:[]}[options.time] + \
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group[0] + \
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mappedResult)
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