Simple Filters: node selector doesn't accept Scalar Volume child nodes

Development
1

Hi,

Is there any reasons why SimpleFilters I/O node selectors don’t accept volume nodes inherited from vtkMRMLScalarVolumeNode (child nodes)?

For example I just tried to set inputSelector.showChildNodeTypes = True and it works fine with my custom volume node, I wa able to calculate CosImageFilter

2

This was probably done because some subclasses wouldn’t work with SimpleITK. But since some would work and because this is sort of an advanced module anyway it might make sense to relax the requirement.

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3

Thank you, it would be good

4

You could submit a PR and then if anyone sees a downside they could comment there.

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5

Just in case the PR is ready