curve.cxx File Reference

#include "marMatrix.h"
#include <math.h>
#include "marMathConst.h"
#include "curve.hxx"

Include dependency graph for curve.cxx:

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Defines
#define	KCURVE_CHANGE_DIMENSIONS()
Functions
void	f_catmull (double *N, double t)
void	f_d1_catmull (double *N, double t)
void	f_d2_catmull (double *N, double t)

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Define Documentation

 

#define KCURVE_CHANGE_DIMENSIONS

(

)

Value:

kCurve::MAX_DIMENSION = ( kCurve::MAX_DIMENSION > _dimension )?\
        kCurve::MAX_DIMENSION: _dimension;\
    kCurve::MAX_STATE_DIMENSION = ( kCurve::MAX_STATE_DIMENSION > _stateDim )?\
kCurve::MAX_STATE_DIMENSION: _stateDim;

Definition at line 29 of file curve.cxx.

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Function Documentation

void f_catmull	(	double *	N,
		double	t
	)

Definition at line 38 of file curve.cxx.

{
    double t2 = t * t;
    double t3 = t2 * t;
        
    N[ 0 ] = -t3 + ( 2 * t2 ) - t;
    N[ 1 ] = ( 3 * t3 ) - ( 5 * t2 ) + 2;
    N[ 2 ] = -( 3 * t3 ) + ( 4 * t2 ) + t;
    N[ 3 ] = t3 - t2;
}

void f_d1_catmull	(	double *	N,
		double	t
	)

Definition at line 50 of file curve.cxx.

{
    double t2 = t * t;
        
    N[ 0 ] = -( 3 * t2 ) + ( 4 * t ) - 1;
    N[ 1 ] = ( 9 * t2 ) - ( 10 * t );
    N[ 2 ] = -( 9 * t2 ) + ( 8 * t ) + 1;
    N[ 3 ] = ( 3 * t2 ) - ( 2 * t );
}

void f_d2_catmull	(	double *	N,
		double	t
	)

Definition at line 61 of file curve.cxx.

{
    N[ 0 ] = -( 6 * t ) + 4;
    N[ 1 ] = ( 18 * t ) - 10;
    N[ 2 ] = -( 18 * t ) + 8;
    N[ 3 ] = ( 6 * t ) - 2;
}