OptionalwidthOptionalheightHeight (m) above the ground / ellipsoid to float the ribbon at. Default 1.
OptionalcolorLine color (linear RGB), constant or per-feature. Default white.
OptionalheightDrape onto streamed terrain (per-vertex), added to height.
Ribbon width in meters (constant world width — a screen-constant width would need a dedicated billboard pass; this rides the standard deferred mesh path). Default 4.