Multiexcerpt include MultiExcerptName interpolation nopanel true PageWithExcerpt A5NodeRef:ramp_rgb
Tube with a ramp RGB applied. Note the state_float used as the input because the ramp shader has no knowledge of the objects UVs.
Tube with Ramp Float used as displacement showing constant, linear and Catmull-Rom interpolation
Ramp RGB and Ramp Float combined with some noises