Is there a way to set the opacity of the lines in silhouette or flat technical render modes so that they outline fades in correctly along side the color opacity? Currently, when I do a fade in, using the regular opacity setting, the lines flash on and off rather than fading in correctly like I would expect. I look for an opacity setting in the outline section, but there was none. I could just go from white to black line color, but that's not what I'm looking for.
The lines are construction mode.
This is how it actually looks:
And this is how I want it to look (done in premiere):
Here is a close up of this blink effect.