Rendering a VectorMotion pass without rendering the beauty RGB , possible ?

[shangu]

Hi

Happy New Year on PlanetSide !

I forgot to add the vector pass to my animation 4K trail, i don't want to re-render all.
it seems not possible to renderlayer renderElement Data 2D motion only without RGB costy render ?

thanks, guillaume

[Kevin Kipper]

I think you would still have to render the RGB, however, you could probably adjust the settings in such a way to speed up the render process.  For example, changing an object's render mode from "Visible" to "Holdout", etc.