def readFile(self, f):
'''
Returns an object of class BarGridKernel loaded from an output file from the software of Patrick Saint-Pierre.
'''
bgk = None
origin = list(map(float, re.findall('-?\d+\.?\d*', f.readline())))
dimension = len(origin)
if dimension == 0 :
raise FileFormatException("Dimensions must be > 0")
opposite = list(map(float, re.findall('-?\d+\.?\d*', f.readline())))
intervalNumber = list(map(int, re.findall('[0-9]+', f.readline())))
if dimension !=len(opposite) or dimension!=len(intervalNumber):
raise FileFormatException("Dimensions of metadata mismatch")
pointSize = list(map(int, re.findall('[0-9]+', f.readline())))
intervalNumber = [e//pointSize[0] for e in intervalNumber]
# reading columns headers and deducing permutation of variables
line = f.readline()
columnNumbertoIgnore = len(re.findall('empty', line))
permutVector = list(map(int, re.findall('[0-9]+', line)))
permutation = np.zeros(dimension * dimension,int).reshape(dimension,dimension)
for i in range(dimension):
permutation[i][permutVector[i]-1]=1
# Ok, creating the container object
bgk = BarGridKernel(origin, opposite, intervalNumber,permutation)
# ignoring lines until 'Initxx'
stop=False
while not stop:
line = f.readline()
if 'Initxx' in line:
stop = True
# reading bars
stop = False
while not stop:
# using a while loop, because the for loop seems buggy with django InMemoryUploadedFile reading
line = f.readline()
if not line:
stop = True
else:
coords = list(map(int, re.findall('[0-9]+', line)))
coords = [e // pointSize[0] for e in coords]
bgk.addBar(coords[columnNumbertoIgnore:-2], coords[-2], coords[-1])
# TODO what is done with modelMetadata and nbDim
return bgk
def readFile(self, f):
'''
Returns an object of class BarGridKernel loaded from an output file from the software of Patrick Saint-Pierre.
'''
bgk = None
origin = list(map(float, re.findall('-?\d+\.?\d*', f.readline())))
dimension = len(origin)
if dimension == 0 :
raise FileFormatException("Dimensions must be > 0")
opposite = list(map(float, re.findall('-?\d+\.?\d*', f.readline())))
intervalNumber = list(map(int, re.findall('[0-9]+', f.readline())))
if dimension !=len(opposite) or dimension!=len(intervalNumber):
raise FileFormatException("Dimensions of metadata mismatch")
pointSize = list(map(int, re.findall('[0-9]+', f.readline())))
intervalNumber = [e//pointSize[0] for e in intervalNumber]
# reading columns headers and deducing permutation of variables
line = f.readline()
columnNumbertoIgnore = len(re.findall('empty', line))
permutVector = list(map(int, re.findall('[0-9]+', line)))
permutation = np.zeros(dimension * dimension,int).reshape(dimension,dimension)
for i in range(dimension):
permutation[i][permutVector[i]-1]=1
# Ok, creating the container object
bgk = BarGridKernel(origin, opposite, intervalNumber,permutation)
# ignoring lines until 'Initxx'
stop=False
while not stop:
line = f.readline()
if 'Initxx' in line:
stop = True
# reading bars
stop = False
while not stop:
# using a while loop, because the for loop seems buggy with django InMemoryUploadedFile reading
line = f.readline()
if not line:
stop = True
else:
coords = list(map(int, re.findall('[0-9]+', line)))
coords = [e // pointSize[0] for e in coords]
bgk.addBar(coords[columnNumbertoIgnore:-2], coords[-2], coords[-1])
# TODO what is done with modelMetadata and nbDim
return bgk
def toBarGridKernel(self, newOriginCoords, newOppositeCoords, intervalNumberperaxis):
'''
Convert to a BarGridKernel with another underlying grid, with a given number of intervals per axis.
If no origin or opposite is given, it will be deduced from the lower or upper cell.
Returns an instance of BarGridKernel.
'''
minBoundsCoordinates = self.getMinBoundsCoordinates()
intervalsSizes = (np.array([max([c[i+1] for c in self.cells]) for i in minBoundsCoordinates], float)-np.array([min([c[i] for c in self.cells]) for i in minBoundsCoordinates], float))/(np.array(intervalNumberperaxis)+np.array([1]*len(intervalNumberperaxis)))
if not newOriginCoords:
newOriginCoords = np.array([min([c[i] for c in self.cells]) for i in minBoundsCoordinates], float) + intervalsSizes / 2
else:
newOriginCoords = np.array(newOriginCoords, float)
if not newOppositeCoords:
newOppositeCoords = np.array([max([c[i+1] for c in self.cells]) for i in minBoundsCoordinates], float) - intervalsSizes / 2
else:
newOppositeCoords = np.array(newOppositeCoords, float)
# newIntervalNumberperaxis = (newOppositeCoords - newOriginCoords) / intervalsSizes
bgk = BarGridKernel(newOriginCoords, newOppositeCoords, intervalNumberperaxis)
# print list(newOppositeCoords)
# print list(intervalsSizes)
for cell in self.cells:
cell_start = [cell[i] for i in minBoundsCoordinates]
cell_end = [cell[i+1] for i in minBoundsCoordinates]
start_int = np.floor(np.array(intervalNumberperaxis) * (np.array(cell_start, float) + intervalsSizes / 2 - newOriginCoords)/(newOppositeCoords - newOriginCoords))
start_int = np.array([max(start_int[i],0) for i in range(len(start_int))],int)
end_int = np.ceil(np.array(intervalNumberperaxis) * (np.array(cell_end, float) - intervalsSizes / 2 - newOriginCoords)/(newOppositeCoords - newOriginCoords))
end_int = np.array([min(end_int[i],intervalNumberperaxis[i]) for i in range(len(end_int))],int)
# now adding all the points on the grid of the BGK between start and end of the Kd cell
next_point = list(start_int[:-1])
bgk.addBar(next_point, start_int[-1], end_int[-1])
while any(next_point!=end_int[:-1]):
for i,coord in reversed(list(enumerate(next_point))):
if next_point[i] < end_int[i]:
next_point[i] += 1
break
else:
next_point[i] = start_int[i]
bgk.addBar(next_point, start_int[-1], end_int[-1])
return bgk
def toBarGridKernel(self, newOriginCoords, newOppositeCoords, intervalNumberperaxis):
'''
Convert to a BarGridKernel with another underlying grid, with a given number of intervals per axis.
If no origin or opposite is given, it will be deduced from the lower or upper cell.
Returns an instance of BarGridKernel.
'''
minBoundsCoordinates = self.getMinBoundsCoordinates()
intervalsSizes = (np.array([max([c[i+1] for c in self.cells]) for i in minBoundsCoordinates], float)-np.array([min([c[i] for c in self.cells]) for i in minBoundsCoordinates], float))/(np.array(intervalNumberperaxis)+np.array([1]*len(intervalNumberperaxis)))
if not newOriginCoords:
newOriginCoords = np.array([min([c[i] for c in self.cells]) for i in minBoundsCoordinates], float) + intervalsSizes / 2
else:
newOriginCoords = np.array(newOriginCoords, float)
if not newOppositeCoords:
newOppositeCoords = np.array([max([c[i+1] for c in self.cells]) for i in minBoundsCoordinates], float) - intervalsSizes / 2
else:
newOppositeCoords = np.array(newOppositeCoords, float)
# newIntervalNumberperaxis = (newOppositeCoords - newOriginCoords) / intervalsSizes
bgk = BarGridKernel(newOriginCoords, newOppositeCoords, intervalNumberperaxis)
# print list(newOppositeCoords)
# print list(intervalsSizes)
for cell in self.cells:
cell_start = [cell[i] for i in minBoundsCoordinates]
cell_end = [cell[i+1] for i in minBoundsCoordinates]
start_int = np.floor(np.array(intervalNumberperaxis) * (np.array(cell_start, float) + intervalsSizes / 2 - newOriginCoords)/(newOppositeCoords - newOriginCoords))
start_int = np.array([max(start_int[i],0) for i in range(len(start_int))],int)
end_int = np.ceil(np.array(intervalNumberperaxis) * (np.array(cell_end, float) - intervalsSizes / 2 - newOriginCoords)/(newOppositeCoords - newOriginCoords))
end_int = np.array([min(end_int[i],intervalNumberperaxis[i]) for i in range(len(end_int))],int)
# now adding all the points on the grid of the BGK between start and end of the Kd cell
next_point = list(start_int[:-1])
bgk.addBar(next_point, start_int[-1], end_int[-1])
while any(next_point!=end_int[:-1]):
for i,coord in reversed(list(enumerate(next_point))):
if next_point[i] < end_int[i]:
next_point[i] += 1
break
else:
next_point[i] = start_int[i]
bgk.addBar(next_point, start_int[-1], end_int[-1])
return bgk
def readFile(self, f):
metadata={}
bgk = None
f.readline()
nbDim = re.match('\s*([0-9]*)\s.*',f.readline()).group(1)
metadata[METADATA.dynamicsdescription] = f.readline()
metadata[METADATA.stateconstraintdescription] = f.readline()
metadata[METADATA.targetdescription] = f.readline()
for i in range(4): f.readline()
dimensionsSteps = list(map(int, re.findall('[0-9]+', f.readline())))
for i in range(2): f.readline()
origin = list(map(int, re.findall('[0-9]+', f.readline())))
maxPoint = list(map(int, re.findall('[0-9]+', f.readline())))
for i in range(5): f.readline()
# ND Why? Why not opposite = maxPoint
opposite = origin
bgk = BarGridKernel(origin, opposite, dimensionsSteps, metadata=metadata)
# reading until some lines with 'Initxx'
stop=False
initxx=False
# ND Why restrict min/max point to integer position
bgk.kernelMinPoint = [e//1 for e in origin]
bgk.kernelMaxPoint = [e//1 for e in maxPoint]
while not stop:
line = f.readline()
if 'Initxx' in line:
initxx = True
elif initxx and 'Initxx' not in line:
stop = True
# reading bars
for line in f:
coords = list(map(int, re.findall('[0-9]+', line)))
# ND Why convert point to integer position
coords = [e//1 for e in coords]
bgk.addBar(coords[2:-2], coords[-2], coords[-1])
# TODO what is done with modelMetadata and nbDim
return bgk
