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#ifndef _NATNEIGHBORS_H
#define _NATNEIGHBORS_H
#include <list>
using namespace std;
class NaturalNeighbors
{
public:
NaturalNeighbors(int npoints, int ntriangles, double *x, double *y,
double *centers, int *nodes, int *neighbors);
~NaturalNeighbors();
double interpolate_one(double *z, double targetx, double targety,
double defvalue, int &start_triangle);
void interpolate_grid(double *z,
double x0, double x1, int xsteps,
double y0, double y1, int ysteps,
double *output, double defvalue, int start_triangle);
void interpolate_unstructured(double *z, int size,
double *intx, double *inty, double *output, double defvalue);
private:
int npoints, ntriangles;
double *x, *y, *centers, *radii2;
int *nodes, *neighbors;
int find_containing_triangle(double targetx, double targety, int start_triangle);
};
#endif // _NATNEIGHBORS_H
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