meshkernel::SplineAlgorithms Class Reference

Provide algorithms operating on splines. More...

#include <SplineAlgorithms.hpp>

Static Public Member Functions
static std::vector< Point >	SecondOrderDerivative (const std::vector< Point > &splines, size_t startIndex, size_t endIndex)
	Second order derivative at spline corner points, from the start node to the end node of the spline (splint) More...
static std::vector< double >	SecondOrderDerivative (const std::vector< double > &coordinates, size_t startIndex, size_t endIndex)
	Second order derivative at spline corner point coordinates (splint) More...
static std::tuple< Point, Point, double >	ComputeCurvatureOnSplinePoint (const std::vector< Point > &splinePoints, const std::vector< Point > &splineDerivative, double adimensionalPointCoordinate, const Projection projection)
	Computes curvature in a spline point (comp_curv) More...
static Point	Evaluate (const std::vector< Point > &coordinates, const std::vector< Point > &secondDerivative, const double evaluationPoint)
	Evaluate a spline function (splint) More...
static void	SnapSplineToBoundary (std::vector< Point > &splinePoints, const std::vector< Point > &splineDerivative, const LandBoundary &landBoundary, const Projection projection, const int numberOfIterations=constants::numeric::defaultSnappingIterations)
	Snap the spline to the land boundary (snap_spline) More...

Detailed Description

Provide algorithms operating on splines.

Member Function Documentation

ComputeCurvatureOnSplinePoint()

static std::tuple<Point, Point, double> meshkernel::SplineAlgorithms::ComputeCurvatureOnSplinePoint ( const std::vector< Point > &  splinePoints, const std::vector< Point > &  splineDerivative, double  adimensionalPointCoordinate, const Projection  projection  )

static

Computes curvature in a spline point (comp_curv)

Parameters

[in]	splinePoints	the spline points
[in]	splineDerivative	the spline derivative points
[in]	adimensionalPointCoordinate	The adimensional coordinate of the point along the spline
[in]	projection	The coordinate system projection

Returns

The computed curvatureFactor, normal vector and tangential vector

Evaluate()

static Point meshkernel::SplineAlgorithms::Evaluate ( const std::vector< Point > &  coordinates, const std::vector< Point > &  secondDerivative, const double  evaluationPoint  )

static

Evaluate a spline function (splint)

Parameters

[in]	coordinates	The spline points
[in]	secondDerivative	Second derivative of the spline
[in]	evaluationPoint	The point at which the spline is to be evaluated

Returns

the result of evaluating the spline at the point.

SecondOrderDerivative() [1/2]

static std::vector<double> meshkernel::SplineAlgorithms::SecondOrderDerivative ( const std::vector< double > &  coordinates, size_t  startIndex, size_t  endIndex  )

static

Second order derivative at spline corner point coordinates (splint)

Parameters

[in]	coordinates	The spline corner point coordinate (x or y)
[in]	startIndex	The start spline node
[in]	endIndex	The end spline node

Returns

coordinatesDerivatives The second order derivative at corner points (x derivative or y derivative)

SecondOrderDerivative() [2/2]

static std::vector<Point> meshkernel::SplineAlgorithms::SecondOrderDerivative ( const std::vector< Point > &  splines, size_t  startIndex, size_t  endIndex  )

static

Second order derivative at spline corner points, from the start node to the end node of the spline (splint)

Parameters

[in]	splines	The spline corner points
[in]	startIndex	The start spline node
[in]	endIndex	The end spline node

Returns

coordinatesDerivatives The second order derivative at corner points

SnapSplineToBoundary()

static void meshkernel::SplineAlgorithms::SnapSplineToBoundary ( std::vector< Point > &  splinePoints, const std::vector< Point > &  splineDerivative, const LandBoundary &  landBoundary, const Projection  projection, const int  numberOfIterations = constants::numeric::defaultSnappingIterations  )

static

Snap the spline to the land boundary (snap_spline)

Uses an iterated Lagrange multiplier scheme to snap the points.

Parameters

[in,out]	splinePoints	The spline points, these will be updated
[in]	splineDerivative	Derivative of the spline at the spline points
[in]	landBoundary	The land boundary to which the spline will be snapped
[in]	projection	The coordinate system projection
[in]	numberOfIterations	The maximum number of iterations to be performed

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The documentation for this class was generated from the following file:

• /home/runner/work/MeshKernel/MeshKernel/libs/MeshKernel/include/MeshKernel/SplineAlgorithms.hpp