roughness_map_from
uisset 6× in templates and rigs
A texture drawn from a UI: its `source(factory="ui/scene")` or `html` child, rendered as the roughness map (times `roughness`) of the `material` it sits in, or of the screen when it sits directly in a device tag.
roughness_map_from(color_space=linear flip_y=true)
Attributes
color_spacetext`linear` for a data map like this one, `srgb` for colour; unset keeps the source's own.6×flip_ytrue / false6×