How can I change a joint's reference coordinate system through scripting?

Pernelle Marone-Hitz
Pernelle Marone-Hitz Member, Moderator, Employee Posts: 871
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edited June 2023 in Structures

How can I modify the orientation of a joint's coordinate system through Mechanical scripting?

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  • Pernelle Marone-Hitz
    Pernelle Marone-Hitz Member, Moderator, Employee Posts: 871
    100 Answers 500 Comments 250 Likes First Anniversary
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    Answer ✓

    Here is an example of code to change the primary axis and its geometric selection:

        # reference connections
    connections = ExtAPI.DataModel.Project.Model.Connections

    # get first joint inside connections
    my_joint=connections.GetChildren(DataModelObjectCategory.Joint,True)[0]

    # access the joint's reference coordinate system
    jointCS = my_joint.ReferenceCoordinateSystem

    # set joint's principal axis to global X axis
    jointCS.PrimaryAxis=CoordinateSystemAxisType.PositiveXAxis

    # obtain id of a face selected in Mechanical:
    currentSel=ExtAPI.SelectionManager.CurrentSelection

    # create a temporary selection
    tempSel=ExtAPI.SelectionManager.CreateSelectionInfo(SelectionTypeEnum.GeometryEntities)
    tempSel.Ids=currentSel.Ids

    # change joint's primary axis geometric selection to the selected face in Mechanical :
    jointCS.PrimaryAxisLocation=tempSel

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