geomc 1.0
A c++ linear algebra template library
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A cubic spline with two knots and two tangent points. More...
#include <geomc/shape/CubicSpline.h>
Public Types | |
using | elem_t |
The coordinate type of this object. | |
using | point_t |
The type of a point in this object's space. | |
Public Member Functions | |
constexpr | BezierSpline (const VecType< T, N > pts[4]) |
Construct the spline from an array of control points. | |
constexpr | BezierSpline (VecType< T, N > p0, VecType< T, N > t0, VecType< T, N > t1, VecType< T, N > p1) |
Construct the spline from four control points. | |
constexpr Vec< T, N > | acceleration (T s) const |
Compute the second derivative (acceleration) of the spline at a given parameter value. | |
constexpr Rect< T, N > | bounds () const |
Compute the bounding box of the spline. | |
constexpr VecType< T, N > * | control_points () |
Get the control points. | |
constexpr const VecType< T, N > * | control_points () const |
Get the control points. | |
constexpr | operator PolynomialSpline< T, N > () const |
Convert this spline to its coefficient representation. | |
constexpr | operator Spline () const |
Convert to another type of cubic spline. | |
constexpr Vec< T, N > | operator() (T s) const |
Evaluate the spline at a given parameter value. | |
constexpr Vec< T, N > | velocity (T s) const |
Compute the derivative (velocity) of the spline at a given parameter value. | |
Static Public Member Functions | |
static constexpr SimpleMatrix< T, 4, 4 > | basis () |
Get the basis matrix, which converts control points to coefficients. | |
static constexpr SimpleMatrix< T, 4, 4 > | inverse_basis () |
Get the inverse basis matrix, which converts coefficients to control points. | |
Public Attributes | |
VecType< T, N > | p0 |
Position at s = 0. | |
VecType< T, N > | p1 |
Position at s = 1. | |
VecType< T, N > | t0 |
Tangent point for s = 0. | |
VecType< T, N > | t1 |
Tangent point for s = 1. | |
Static Public Attributes | |
static constexpr SimpleMatrix< T, 4, 4 > | CoefficientsToControl |
static constexpr SimpleMatrix< T, 4, 4 > | ControlToCoefficients |
static constexpr index_t | N |
The dimension of this object. | |
Related Symbols | |
(Note that these are not member symbols.) | |
template<typename T, index_t N, Transform< T, N > Xf> | |
BezierSpline< T, N > | operator* (const Xf &xf, const BezierSpline< T, N > &spline) |
template<typename T, index_t N, Transform< T, N > Xf> | |
BezierSpline< T, N > | operator/ (const BezierSpline< T, N > &spline, const Xf &xf) |
A cubic spline with two knots and two tangent points.
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inherited |
The type of a point in this object's space.
An N-vector of T if N > 1, otherwise a T.
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staticconstexpr |
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staticconstexpr |