How to copy Nodes using id?

Development
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I want to keep multiple copies of mrml nodes so that I can operate on the copies without changing the original. Kind of like clone option from data module. Is this possible? If so how can I implement it? For example - I want to create multiple copies of a curve. Any help is appreciated. Thanks

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You can clone modules at many different levels. Data module’s clone feature uses the subject hierarchy plugin associated with the node, see example in the script repository.

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@lassoan Hey, I see that I can copy nodes and volumes. Is there any way I can do the same thing for segments inside segmentation nodes? This seems to only work for vtkMRMLNode or vtkMRMLVolumeNode. And segments are vtkSegment

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Update: I found the answer to that here: How to programmatically use logical operator add function from segment editor? - #2 by mikebind