pub enum Interpolate {
Show 13 variants Basis, BasisClosed, BasisOpen, Bundle, Cardinal, CardinalClosed, CardinalOpen, Linear, LinearClosed, Monotone, Step, StepAfter, StepBefore,
}
Expand description

The line interpolation method to use for line and area marks. One of the following:

  • "linear": piecewise linear segments, as in a polyline.
  • "linear-closed": close the linear segments to form a polygon.
  • "step": alternate between horizontal and vertical segments, as in a step function.
  • "step-before": alternate between vertical and horizontal segments, as in a step function.
  • "step-after": alternate between horizontal and vertical segments, as in a step function.
  • "basis": a B-spline, with control point duplication on the ends.
  • "basis-open": an open B-spline; may not intersect the start or end.
  • "basis-closed": a closed B-spline, as in a loop.
  • "cardinal": a Cardinal spline, with control point duplication on the ends.
  • "cardinal-open": an open Cardinal spline; may not intersect the start or end, but will intersect other control points.
  • "cardinal-closed": a closed Cardinal spline, as in a loop.
  • "bundle": equivalent to basis, except the tension parameter is used to straighten the spline.
  • "monotone": cubic interpolation that preserves monotonicity in y.

Variants§

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Basis

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BasisClosed

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BasisOpen

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Bundle

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Cardinal

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CardinalClosed

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CardinalOpen

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Linear

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LinearClosed

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Monotone

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Step

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StepAfter

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StepBefore

Trait Implementations§

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