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I want to add a output field to an odb. Not all the values are available and I would like to input an "invalid data". What should I pass? I tried nan, string, 1/0, which do not work

The basic coding I used to add a field output is:

instance = odb.rootAssembly.instances['nameOfYourInstance']

field_output = odb.steps['stepName'].frames[frameId].FieldOutput(
    name='DefineTheName', description='WhatItRepresents',
    type=SCALAR # or whatever other type you need
)

field.addData(
    position=NODAL, instance=instance, labels=your_node_labels,
    data=your_data
)

I want to pass an invalid data in a specific place in your_data

PiWi
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  • You keep only those nodes in `your_node_labels` variable for which you have data in `your_data` variable. For Ex. Let's say, you have the data for `your_node_labels=[1, 10, 12, 14, 50]` nodes only and corresponding values are `your_data=[10.0, 1.0, 2.2, 3.3, 15.5]` something like this. Here, for node `1` you have `10.0` value, for node `10` you have `1.0` value and so on. In this case, no data is written for the nodes other than the nodes in `your_node_labels` variable, hence no contour will be shown for those nodes. – Satish Thorat Apr 12 '22 at 07:22
  • Thank you @SatishThorat :-) So obvious that I did not even think about that!! Maybe you can make it an answer so I can accept it – PiWi Apr 12 '22 at 09:26
  • Great! I have added it as answer. Kindly accept it. – Satish Thorat Apr 12 '22 at 10:32

1 Answers1

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You keep only those nodes in your_node_labels variable for which you have data in your_data variable.
For Ex. Let's say, you have the data for your_node_labels=[1, 10, 12, 14, 50] nodes only and corresponding values are your_data=[10.0, 1.0, 2.2, 3.3, 15.5] something like this. Here, for node 1 you have value 10.0, for node 10 you have value 1.0 and so on. In this case, no data is written for the nodes other than the nodes in your_node_labels variable, hence no contour will be shown for those nodes.

Satish Thorat
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