A GetClone problem about takes



  • GetClone creates a take from a source take but its overrides are linked to source take. if I remove overrides from cloned take, original take's overrides also deleted. Is this a bug or GetClone produces a kind of instance object with linking to source object? How can I fix this? How can I break them from the source take?

    1. open attached c4d doc
    2. select Sphere take
    3. run this script
    4. script will clone sphare take under main take. Newly cloned take have 2 overrides: 1) for X location and 2) for layer properties.
    5. activate newly cloned Sphere take
    6. activate AutoTake and Lock Override buttons
    7. change Sphere's X location and/or sphare layer visibility values
    8. you will see that c4d will add another override lines under already existent overrides
    import c4d
    # Script clones selected take to under Main Take
    
    # AliasTrans did not work
        #trans = c4d.AliasTrans()
        #if trans is None or trans.Init(doc) is False:
        #    return False
        #clonedTake=selectedTake[0].GetClone(c4d.COPYFLAGS_0)
        #trans.Translate(False)
    
    def main():
        takeData = doc.GetTakeData()
        mainTake=takeData.GetMainTake()
        selectedTake=takeData.GetTakeSelection(0)
        doc.StartUndo()
        doc.AddUndo(c4d.UNDOTYPE_CHANGE, mainTake)
    
        clonedTake=selectedTake[0].GetClone(c4d.COPYFLAGS_0)
        clonedTake.InsertUnder(mainTake)
        doc.EndUndo()
        c4d.EventAdd()    
        #gui.MessageDialog('Hello World!')
    
    # Execute main()
    if __name__=='__main__':
        main()
    

    test.c4d



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  • Hi @delizade,

    thank you for reaching out to us. There are two problems with your code:

    1. You are using C4DAtom.GetClone() and GeListNode.InsertUnder() to add and clone a take. You should instead use TakeData.AddTake() which also provides a cloneFrom argument (Link for AddTake).
    2. You are cloning and inserting the main take, which leads in Python to hiccups. Because even when you do it correctly, like discussed in this thread via AddTake, it will insert a second "main take" into a document. I.e., one which has no "inherit from parent" and "default cemara/rendersettings" icons.

    According to one our devs, No. 2 seems to be a Python bug and not a limitation, we will investigate that. For now you would have to clone the two child takes under the main take manually in Python (and add a parent take beforehand if you want this structure). Because otherwise you will end up with two "root/main" takes in your document, confusing Cinema 4D ;)

    Cheers,
    Ferdinand