nnpi.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <float.h>
#include <string.h>
#include <assert.h>
#include <math.h>
#include "nn.h"
#include "delaunay.h"
#include "nan.h"
#include "hash.h"

Go to the source code of this file.

Classes
struct	nnpi
struct	nnhpi
struct	nn_weights
Defines
#define	NSTART   10
#define	NINC   10
#define	EPS_SHIFT   1.0e-9
#define	N_SEARCH_TURNON   20
#define	BIGNUMBER   1.0e+100
#define	min(x, y)   ( ( x ) < ( y ) ? ( x ) : ( y ) )
#define	max(x, y)   ( ( x ) > ( y ) ? ( x ) : ( y ) )
Functions
int	circle_build (circle *c, point *p0, point *p1, point *p2)
int	circle_contains (circle *c, point *p)
void	delaunay_circles_find (delaunay *d, point *p, int *n, int **out)
int	delaunay_xytoi (delaunay *d, point *p, int seed)
void	nn_quit (const char *format,...)
void	nnpi_reset (nnpi *nn)
void	nnpi_calculate_weights (nnpi *nn)
void	nnpi_normalize_weights (nnpi *nn)
void	nnpi_set_point (nnpi *nn, point *p)
int	nnpi_get_nvertices (nnpi *nn)
int *	nnpi_get_vertices (nnpi *nn)
double *	nnpi_get_weights (nnpi *nn)
nnpi *	nnpi_create (delaunay *d)
void	nnpi_destroy (nnpi *nn)
static void	nnpi_add_weight (nnpi *nn, int vertex, double w)
static double	triangle_scale_get (delaunay *d, triangle *t)
static void	nnpi_triangle_process (nnpi *nn, point *p, int i)
void	nnpi_interpolate_point (nnpi *nn, point *p)
void	nnpi_interpolate_points (int nin, point pin[], double wmin, int nout, point pout[])
void	nnpi_setwmin (nnpi *nn, double wmin)
nnhpi *	nnhpi_create (delaunay *d, int size)
static void	free_nn_weights (void *data)
void	nnhpi_destroy (nnhpi *nn)
void	nnhpi_interpolate (nnhpi *nnhp, point *p)
void	nnhpi_modify_data (nnhpi *nnhp, point *p)
void	nnhpi_setwmin (nnhpi *nn, double wmin)

---

Define Documentation

#define BIGNUMBER   1.0e+100

Definition at line 85 of file nnpi.c.

#define EPS_SHIFT   1.0e-9

Definition at line 83 of file nnpi.c.

#define max	(		x,
			y
	)		( ( x ) > ( y ) ? ( x ) : ( y ) )

Definition at line 88 of file nnpi.c.

#define min	(		x,
			y
	)		( ( x ) < ( y ) ? ( x ) : ( y ) )

Definition at line 87 of file nnpi.c.

#define N_SEARCH_TURNON   20

Definition at line 84 of file nnpi.c.

#define NINC   10

Definition at line 82 of file nnpi.c.

#define NSTART   10

Definition at line 81 of file nnpi.c.

---

Function Documentation

int circle_build	(	circle *	c,
		point *	p0,
		point *	p1,
		point *	p2
	)

Definition at line 68 of file nncommon.c.

int circle_contains	(	circle *	c,
		point *	p
	)

Definition at line 98 of file nncommon.c.

void delaunay_circles_find	(	delaunay *	d,
		point *	p,
		int *	n,
		int **	out
	)

Definition at line 677 of file delaunay.c.

int delaunay_xytoi	(	delaunay *	d,
		point *	p,
		int	seed
	)

Definition at line 627 of file delaunay.c.

static void free_nn_weights

(

void *

data

)

[static]

Definition at line 492 of file nnpi.c.

void nn_quit	(	const char *	format,
			...
	)

Definition at line 53 of file nncommon.c.

nnhpi* nnhpi_create	(	delaunay *	d,
		int	size
	)

Definition at line 475 of file nnpi.c.

void nnhpi_destroy

(

nnhpi *

nn

)

Definition at line 505 of file nnpi.c.

void nnhpi_interpolate	(	nnhpi *	nnhp,
		point *	p
	)

Definition at line 518 of file nnpi.c.

void nnhpi_modify_data	(	nnhpi *	nnhp,
		point *	p
	)

Definition at line 620 of file nnpi.c.

void nnhpi_setwmin	(	nnhpi *	nn,
		double	wmin
	)

Definition at line 632 of file nnpi.c.

static void nnpi_add_weight	(	nnpi *	nn,
		int	vertex,
		double	w
	)		[static]

Definition at line 129 of file nnpi.c.

void nnpi_calculate_weights

(

nnpi *

nn

)

Definition at line 259 of file nnpi.c.

nnpi* nnpi_create

(

delaunay *

d

)

Definition at line 95 of file nnpi.c.

void nnpi_destroy

(

nnpi *

nn

)

Definition at line 115 of file nnpi.c.

int nnpi_get_nvertices

(

nnpi *

nn

)

Definition at line 429 of file nnpi.c.

int* nnpi_get_vertices

(

nnpi *

nn

)

Definition at line 437 of file nnpi.c.

double* nnpi_get_weights

(

nnpi *

nn

)

Definition at line 445 of file nnpi.c.

void nnpi_interpolate_point	(	nnpi *	nn,
		point *	p
	)

Definition at line 297 of file nnpi.c.

void nnpi_interpolate_points	(	int	nin,
		point	pin[],
		double	wmin,
		int	nout,
		point	pout[]
	)

Definition at line 370 of file nnpi.c.

void nnpi_normalize_weights

(

nnpi *

nn

)

Definition at line 279 of file nnpi.c.

void nnpi_reset

(

nnpi *

nn

)

Definition at line 122 of file nnpi.c.

void nnpi_set_point	(	nnpi *	nn,
		point *	p
	)

Definition at line 421 of file nnpi.c.

void nnpi_setwmin	(	nnpi *	nn,
		double	wmin
	)

Definition at line 412 of file nnpi.c.

static void nnpi_triangle_process	(	nnpi *	nn,
		point *	p,
		int	i
	)		[static]

Definition at line 189 of file nnpi.c.

static double triangle_scale_get	(	delaunay *	d,
		triangle *	t
	)		[static]

Definition at line 168 of file nnpi.c.