One frame in time for a Bezier interpolation.
struct
MapTicktrueMandatory if opacity or tint_upper or tint_lower is defined.
doubletrueopacity and opacity_t interpolate a double smoothly over time.
doubletrueBidirectional tangent at the given timestamp.
Colortruetint_upper and tint_upper_t interpolate a color smoothly over time.
ColortrueBidirectional tangent at the given timestamp.
Colortruetint_lower and tint_lower_t interpolate a color smoothly over time.
ColortrueBidirectional tangent at the given timestamp.