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I wanted to create a spiral rotating at constant speed. I created my spiral, made two keyframes with linear interpolation and then wanted to add linear extrapolation, but for some reason, when I right click on the channel in graph editor, all the options under extrapolation are greyed out. I am not sure, whether this is just blender 2.8 thing, or I just made some stupid mistake or overlooked something... What could be the cause of this? Or is there some workaround or something? Thanks in advance.

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May the graphs are made readonly by accident. Go into the graph-editor, position your mouse on the left and expand the graphs label. Then hit TAB and watch, whether the tiny lock symbol shows an opened lock.

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  • $\begingroup$ it was open all the time, this isn't it $\endgroup$ – aky-her Sep 6 '19 at 14:10
  • $\begingroup$ Is the according object/armature selected and in the correct mode? $\endgroup$ – user60781 Sep 6 '19 at 16:44
  • $\begingroup$ assuming the correct mode is object mode, it is $\endgroup$ – aky-her Sep 6 '19 at 19:55

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