Hello,
I am trying to simply add up all the values of a variable in the CTH dataset
using programmable filter with the python code at the end of this email..
The code seems to be working for the other dataset that I worked in the past.
But for CTH dataset, it is giving me an error with GetCellData
Traceback (most recent call last):
File "<string>", line 22, in <module>
File "<string>", line 43, in RequestData
File "<string>", line 8, in calculateSum
AttributeError: GetCellData
When I printed the output for CTH dataset it is giving me
vtkNonOverlappingAMR (0x7f96ca7675c0)
Debug: Off
Modified Time: 860345754
Reference Count: 2
Registered Events: (none)
Information: 0x7f96ca767040
Data Released: False
Global Release Data: Off
UpdateTime: 856914636
Field Data:
Debug: Off
Modified Time: 855459763
Reference Count: 1
Registered Events: (none)
Number Of Arrays: 4
Array 0 name = GlobalBounds
Array 1 name = GlobalBoxSize
Array 2 name = MinLevel
Array 3 name = MinLevelSpacing
Number Of Components: 4
Number Of Tuples: 6
Any help is in adding a variable in a CTH dataset is much appreciated.
thank you
-simon
p/s: sorry for the other unfinished email sent....
=========================================
def calculateSum(input, output):
# Copy the cells etc.
output.ShallowCopy(input)
# Get the array to calculate the coefficient
toSum = output.GetPointData().GetArray("MOMENT_X")
# for each of the elements, calculate the three roots and store the real
and imaginary output in separate arrays
numPoints = toSum.GetSize()
# create the output arrays
sum = vtk.vtkDoubleArray()
sum.SetNumberOfValues(numPoints)
sum.SetName("sum")
tsum = 0
for i in range(0, numPoints):
tsum = tsum + toSum.GetValue(i)
for j in range(0, numPoints):
sum.SetValue(j, tsum)
output.GetPointData().AddArray(sum)
input = self.GetInputDataObject(0, 0)
output = self.GetOutputDataObject(0)
if input.IsA("vtkMultiBlockDataSet"):
output.CopyStructure(input)
iter = input.NewIterator()
iter.UnRegister(None)
iter.InitTraversal()
while not iter.IsDoneWithTraversal():
curInput = iter.GetCurrentDataObject()
curOutput = curInput.NewInstance()
curOutput.UnRegister(None)
output.SetDataSet(iter, curOutput)
calculateSum(curInput, curOutput)
iter.GoToNextItem();
else:
calculateSum(input, output)
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