Titania X3D Editor

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Titania v4.6.10

Bring Colours to Your Life.

X3D Reference



NurbsOrientationInterpolator describes a 3D NURBS curve and outputs interpolated orientation values.

The NurbsOrientationInterpolator node belongs to the NURBS component and its container field is children. It is available since X3D version 3.0 or later.



SFNode [in, out] metadata NULL [X3DMetadataObject]

Metadata are not part of the X3D world and not interpreted by the X3D browser, but they can be accessed via the ECMAScript interface.

SFFloat [in] set_fraction (-∞,∞)

Setting fraction in range [0,1] selects input key for corresponding keyValue output, computing a 3D position on the curve.

SFNode [in, out] controlPoint NULL [X3DCoordinateNode]

Input/Output field controlPoint.

MFDouble [in, out] knot [ ] (-∞,∞)

Knot vector, where size = number of control points + order of curve.

SFInt32 [in, out] order 3 (2,∞)

Define order of surface by polynomials of degree = order-1.

MFDouble [in, out] weight [ ] (-∞,∞)

Output values for linear interpolation, each corresponding to knots.


Number of weights must match number of knots!

SFRotation [out] value_changed

Linearly interpolated output value determined by current key time and corresponding keyValue pair.



  • The SFNode controlPoints field can contain a single Coordinate or CoordinateDouble node.

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