When I try to either switch a grease pencil's material's alpha from 0 to 100 (ending in black) or change the material's fill color from black to white, a small number of strokes in the grease pencil object disappear during the render and/or don't show on the gray scale during a render and/or don't match the rest of the strokes in the object. It seems to be happening between frames.

enter image description here

Any help is appreciated.

  • $\begingroup$ Are they in the same layer? $\endgroup$
    – user1853
    Commented Jan 6, 2020 at 5:25
  • $\begingroup$ Yes, they are all on the same layer and all have the same material. $\endgroup$
    – InBedBy9pm
    Commented Jan 6, 2020 at 18:05
  • $\begingroup$ I found a very, very crude work around. It appears to be happening to the last number of strokes. If I add additional strokes into the object, it appears to cause issues with those, by moving those outside of the rendering, the actual strokes in question don't appear to have issue. $\endgroup$
    – InBedBy9pm
    Commented Jan 7, 2020 at 2:17
  • $\begingroup$ Interesting. I am also using 2.81. Would imply to me probably a hardware or driver issue? To be clear, you didn't change any of the render options? Thanks. $\endgroup$
    – InBedBy9pm
    Commented Jan 7, 2020 at 2:28


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