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    Script Befehl

    Cinema 4D SDK
    r21
    6
    24
    16.6k
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    • ManuelM
      Manuel
      last edited by

      Hi,

      thanks a lot @a_block and @mogh for jumping in and your answer.

      @WDP please read our forum guidelines we ask you to write your post in English. Even if in the team we can speak several languages, we think that the English will be understood by most of the user out there that might have the same question.

      You already asked the question but you wanted to create keyframe. There is also this thread talking about it and how to change the value of the selected objects using GetActiveObjects.

      Cheers,
      Manuel

      MAXON SDK Specialist

      MAXON Registered Developer

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      • W
        WDP
        last edited by

        This post is deleted!
        1 Reply Last reply Reply Quote 0
        • a_blockA
          a_block
          last edited by a_block

          Whut?
          I'm starting to doubt, we are communicating with a human. Maybe the account got hijacked? Looking at the other thread, the English was way better than the actual German in here.
          Maybe it's a language barrier. Then I'd suggest to tell us, which language could work better. Maybe we can find somebody to help with translation. Obviously the answers in the other thread did not help and it won't help either, to simply ask again in a different language with even less details.

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          • ManuelM
            Manuel
            last edited by

            I agree, he's Austrian so German should not be an issue here.

            @WDP i will consider your account to be hijacked if your next answer is not in English.

            Cheers,
            Manuel

            MAXON SDK Specialist

            MAXON Registered Developer

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            • W
              WDP
              last edited by

              Ok Sorry I Post the next Trhead in English.
              That was the Google translator!

              1 Reply Last reply Reply Quote 0
              • a_blockA
                a_block
                last edited by

                Kudos to Google Translator, did a pretty good job then.
                If you are willing to pay a few bucks, I could also talk you through in German while sharing screen.
                You could find me as MighT over on Core4D forum and DM me there. Or you can mail to job AT andreasblock DOT de.

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                • W
                  WDP
                  last edited by

                  Thank you kudos! for the nice Answer!

                  1 Reply Last reply Reply Quote 0
                  • W
                    WDP
                    last edited by WDP

                    M_Magalhaes Thank you for your answer, I'm sorry that I expressed myself so wrongly and asked the same question again.
                    Have you a tip for me, how the keyframe command is for a Python Script?
                    Thank you very much!

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                    • W
                      WDP
                      last edited by WDP

                      I mean the adtribute palette / base / editor visibility and render visibility key frame i can't find a script command for this click function?
                      Thank you very much!

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                      • a_blockA
                        a_block
                        last edited by

                        There is no single function to accomplish this. You will need to add a track, a curve and aa keyframe.

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                        • ManuelM
                          Manuel
                          last edited by

                          hi.

                          thanks a lot @WDP

                          as @a_block said, there is no one function solution for that. You need to know how to create a key for that parameter. We have an example on github how to create a track and a keyframe for the coordinates (only the Y track) of an object. If you know how to use DescID, that will be easy to adapt the example. You have our manual about DescID on our c++ documentation that will help you to understand how it works.

                          I would start using GetActiveObjects and iterate the retrieved objects to display the current state of the "Show in viewport" and after that, trying to add the track and the keyframe.

                          Cheers,
                          Manuel

                          MAXON SDK Specialist

                          MAXON Registered Developer

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                          • W
                            WDP
                            last edited by Manuel

                            allmost alll functions in C4D have a Script ID and there is no script command for editor visibility and rendering visibility of Renderer( Key Frame) for a Animation? I have an animation and would like to only undef objects from the keyframe for editor visibility and render visibility per Key Frame, why isn't there a script command for these two functions?
                            Tried the Git Hub sample that only creates new objects.
                            I just want a script command that lets you control the (attributes base editor visibility and render visibility / Key Frame).
                            Do you also have a tip for me why can I only control individual objects and not several with this script?
                            Thank you very much!

                            import c4d
                            
                            def main():
                                """ Toggles both the render and editor visbilty of the active object.
                                """
                                if op is None:
                                    return
                            
                            
                                if op.GetEditorMode() == c4d.MODE_UNDEF:
                                    op.SetEditorMode(c4d.MODE_ON)
                                    op.SetRenderMode(c4d.MODE_ON)
                            
                                elif op.GetEditorMode() == c4d.MODE_OFF:
                                    op.SetEditorMode(c4d.MODE_UNDEF)
                                    op.SetRenderMode(c4d.MODE_UNDEF)
                            
                                else:
                                    op.SetEditorMode(c4d.MODE_OFF)
                                    op.SetRenderMode(c4d.MODE_OFF)
                            
                                c4d.EventAdd()
                            
                            
                            if __name__=='__main__':
                                main()
                            
                            CairynC 1 Reply Last reply Reply Quote 0
                            • CairynC
                              Cairyn @WDP
                              last edited by

                              @wdp That's not quite correct, the CallCommand IDs and the simple property calls will (almost) never set a key, for example, if you change the subdivision property in a cube, this will be a static change and not set any animation key either. The visibility flags behave exactly the same. Triggering the key-setting is just another functionality, which must be called separately.

                              If you're interested in this specific group of functions, I have a course
                              https://www.patreon.com/cairyn
                              which explains this stuff in section 14.
                              (Though I am also sure that the PluginCafé has the answer for free already, I remember the topic being discussed, but you may need to search for it, and perhaps study the API some more. Also, as @m_magalhaes said, there is a Maxon Github example where you can copy and paste code from.)

                              Once you understand the way keys are handled, you can create a function that works for any DescID (or copy it...), which is probably what you want.

                              As for your other question, you are calling the EditorMode functions on the op variable which is a predefined variable containing a single selection. If there are no objects selected OR there is more than one object selected, then op will be None so your call causes an error.
                              To handle more than one selected object at a time, you need to retrieve a list of selections by calling GetActiveObjects ( @m_magalhaes said that as well) and then go through a for loop calling the functions for every object in the list.

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                              • ManuelM
                                Manuel
                                last edited by

                                @wdp said in Script Befehl:

                                allmost alll functions in C4D have a Script ID and there is no script command for editor visibility and rendering visibility of Renderer( Key Frame) for a Animation? I have an animation and would like to only undef objects from the keyframe for editor visibility and render visibility per Key Frame, why isn't there a script command for these two functions?

                                You mean that the script log does not log it correctly? That could be considered as a bug, but the script log does not log everything.

                                I 'am not sure if you are asking to someone to do the work or want to learn how to do it?
                                I linked you this thread where i added some code to toggle the viewport and render setting from default to off for all the selected objects, using GetActiveObjects

                                Based on examples found on github you can do something like this. You would need to add the Undo step, please have a look at our manual to understand how it works

                                Of course, you must add the check for the render track. That can be done by creating an array of descID and with a loop you can check several tracks.

                                from typing import Optional
                                import c4d
                                
                                
                                def IsThereAKey (obj) -> None:
                                     # Searches object's view track
                                     # For that the track ID must be defined and created. DescID are composed of descLevel. See c++ manual for more information
                                    trackID = c4d.DescID(c4d.DescLevel(c4d.ID_BASEOBJECT_VISIBILITY_EDITOR, c4d.DTYPE_LONG, op.GetType()))
                                    # With the track ID, FindCTrack can be used to retrieve if a track exist for this object.
                                    track = obj.FindCTrack(trackID)
                                    if track is None:
                                        raise RuntimeError("Failed to retrieve the track, Object may not have a visibility track.")
                                
                                    # Retrieve the curve from the track. For more information see our track manual 
                                    # https://developers.maxon.net/docs/cpp/2023_2/page_manual_ctrack.html
                                    curve = track.GetCurve()
                                    if curve is None:
                                        raise RuntimeError("Failed to retrieve the curves, Object may not have curves.")
                                    # Retrieve the document current time to see if a key exist for that frame
                                    time = doc.GetTime()
                                    # try to find a key at the current time of the document
                                    found = curve.FindKey(time)
                                    if found is None:
                                        raise RuntimeError("Could not find key at given BaseTime.")
                                
                                    # The key information can be or the key can be deleted.
                                    # To delete the key, the function DelKey will be used
                                    
                                    # The index of the retrieved key
                                    index = found["idx"]
                                    # The retrieved key
                                    key = found["key"]
                                    print (index, key)
                                    # To delete the key, the function DelKey will be used
                                    curve.DelKey(index)
                                
                                
                                def main() -> None:
                                
                                    allobj = doc.GetActiveObjects(c4d.GETACTIVEOBJECTFLAGS_CHILDREN)
                                    for obj in allobj:
                                        IsThereAKey(obj)
                                    c4d.EventAdd()
                                
                                if __name__=='__main__':
                                    main()
                                

                                Cheers,
                                Manuel

                                MAXON SDK Specialist

                                MAXON Registered Developer

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                                • W
                                  WDP
                                  last edited by

                                  Thanks for the script that deletes a key frame, but do you also have a script that adds the key frame?

                                  1 Reply Last reply Reply Quote 0
                                  • ManuelM
                                    Manuel
                                    last edited by Manuel

                                    hi,

                                    I already pointed you to our github repository and our example to create a track and a keyframe in this post. 22 days ago. The purpose of this forum is to answer people's question, not to develop their tool. Please read our forum guidelines. Is there anything topic you do not understand to create your script, or what part are you struggling with?

                                    Cheers,
                                    Manuel

                                    MAXON SDK Specialist

                                    MAXON Registered Developer

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                                    • W
                                      WDP
                                      last edited by

                                      Hi!
                                      Sorry I'm new to Python and still have to learn a lot, I've tested the Github example thanks for that, but I still can't get a keyframe to control my object visibility in Stage Animation?
                                      It would be very nice of you if you could help me again.
                                      Thank you very much!

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                                      • ManuelM
                                        Manuel
                                        last edited by Manuel

                                        Hi,

                                        You should also describe where you are stuck instead of only talking about the final goal.. I've created you this script with comment. Please read them and ask question if there are things you do not understand.

                                        To make it simple, i did not implemented the undo system. You can have a look at our manual to understand a bit better what you have to do. And ask questions 😛

                                        Cheers,
                                        Manuel

                                        from typing import Optional
                                        import c4d
                                        
                                        
                                        
                                        def SwitchVisibilityAndCreateKeyFrame (obj) -> None:
                                            # Switch the visibility of the object and create a keyframe at the current time of the document.
                                            # If the keyframe already exist, it will update the keyframe and switch between ON and OFF.
                                        
                                            # DescID allow to define how parameter can be access and what data type they are made of.
                                            # Just like parameter, DescID can be composed of several level to access the correct data.
                                            # Those levels composed some sort of path to follow to retrieve the correct data.
                                            # Define two desscID to access the editor and render visibility of the object.
                                            trackIDs = []
                                            trackIDs.append(c4d.DescID(c4d.DescLevel(c4d.ID_BASEOBJECT_VISIBILITY_EDITOR, c4d.DTYPE_LONG,0)))
                                            trackIDs.append(c4d.DescID(c4d.DescLevel(c4d.ID_BASEOBJECT_VISIBILITY_RENDER, c4d.DTYPE_LONG,0)))
                                            for trackID in trackIDs:
                                                # Define the parameter value in the object itself. If it is undef we define it to off.
                                                # Otherwise, we switch the value.
                                                if obj[trackID] == c4d.OBJECT_UNDEF:
                                                    obj[trackID] = c4d.OBJECT_OFF
                                                else:
                                                    obj[trackID] = obj[trackID] ^ 1
                                                # With the track ID, FindCTrack can be used to retrieve if a track exist for this object.
                                                track = obj.FindCTrack(trackID)
                                                if track is None:
                                                    #if there is no track, create it and insert it in the object.
                                                    track = c4d.CTrack(obj, trackID)
                                                    if track is None:
                                                        raise RuntimeError("Cannot create the track.")
                                                    obj.InsertTrackSorted(track)
                                        
                                                # Retrieve the curve from the track. For more information see our track manual
                                                curve = track.GetCurve()
                                                if curve is None:
                                                    raise RuntimeError("Failed to retrieve the curves, Object may not have curves.")
                                        
                                                # Retrieve the current time of the document so the key can be added at the right place
                                                currentTime = doc.GetTime()
                                                keyDict = curve.AddKey(currentTime)
                                        
                                                # Checks if the key have been added
                                                if keyDict is None:
                                                    raise MemoryError("Failed to create a key")
                                        
                                                # Retrieves the inserted key and its index
                                                key = keyDict["key"]
                                                keyIndex = keyDict["nidx"]
                                        
                                                # Sets the value of the key. Because in this case, the function SetGeData must be used.
                                                # SetValue should only be used for Float values.
                                                key.SetGeData(curve, obj[trackID])
                                                
                                                # Mandatory: Fill the key with default settings
                                                curve.SetKeyDefault(doc, keyIndex)
                                        
                                                # Changes it's interpolation to step.
                                                key.SetInterpolation(curve, c4d.CINTERPOLATION_STEP)
                                        
                                        
                                        
                                        
                                        def main() -> None:
                                            # Called when the plugin is selected by the user. Similar to CommandData.Execute.
                                            # Retrieve the active objects
                                            allobj = doc.GetActiveObjects(c4d.GETACTIVEOBJECTFLAGS_CHILDREN)
                                            for obj in allobj:
                                                SwitchVisibilityAndCreateKeyFrame(obj)
                                            c4d.EventAdd()
                                        
                                        if __name__=='__main__':
                                            main()
                                        

                                        MAXON SDK Specialist

                                        MAXON Registered Developer

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                                        • W
                                          WDP
                                          last edited by

                                          Thank you very much!!

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                                          • ferdinandF
                                            ferdinand
                                            last edited by

                                            Hello @WDP,

                                            without any further questions and other postings, we will consider this topic as solved and flag it as such by Friday, 17/06/2022.

                                            Thank you for your understanding,
                                            Ferdinand

                                            MAXON SDK Specialist
                                            developers.maxon.net

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