The RibbonArtist constructor: RibbonArtist(...) makes one (see new_ribbon_artist for its
arguments).
A ribbon artist for traj (optional), of color color ([r, g, b], alpha
unchanged, or [r, g, b, a]; default white, alpha 0.25), from the frame's
origin to the positions (see set_start_x_data, ... for others).
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(Trajectory), | intent(in), | optional, | target | :: | traj |
the trajectory to draw (not owned) |
| real(kind=wp), | intent(in), | optional | :: | color(:) |
[r, g, b] or [r, g, b, a] (0 to 1; default white, alpha 0.25) |