Hi I’m new to the slicer python api and was wondering if someone could point me in the right direction. I would like to use a the python api to create serveral segements through the “Logic operators” function of the segment editor widget. I would like to create these segements from existing segmen…

API of SegmentEditor: http://apidocs.slicer.org/master/classvtkMRMLSegmentEditorNode.html Examples for using segmentations and segment editor from Python scripts: https://www.slicer.org/wiki/Documentation/Nightly/ScriptRepository#Segmentations Let us know if you have more questions.

Thanks for pointing me in the right direction. I am not quite sure how to set the parameters of the effects. effect = segmentEditorWidget.activeEffect() effect.setParameter("Operation", LOGICAL_INTERSECT) Does not seem to be the right code. Also I don’t know how to change the name of new segment…

I manged to find a the problem with inSegmentation.GetSegmentation().AddEmptySegment(segmentName = "test") it is meant to be inSegmentation.GetSegmentation().AddEmptySegment("test") this changes name and ID of the segment.

Also note there are convenience functions for creating segments directly from polydata or labelmap: segmentationNode.AddSegmentFromClosedSurfaceRepresentation(...) and segmentationNode.AddSegmentFromBinaryLabelmapRepresentation(..) in segmentation node ; or importing from existing model or labelmap…

Thanks for your help again. I would like to create new segmentations with the threshold tool and save them. I am not sure if using the widget is the best way to do it. How do you think I can achive this easiest? Where can I find the different parameters each editor effect accepts ? as this does n…

[image] kohle: as this does not seem to work Do you get an error message? Please copy-paste it here.

Thanks again for your great support. I managed to set the parameters with effect.setParameter("Operation","INTERSECT")

How do I get the segmenteditor widget from Python when I am in the SegmentEditorEffect class? I want to use the setActiveEffectByName method

self.scriptedEffect.selectEffect(“Paint”)

Interacting with Segment Editor Widget through Python

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