/usr/include/astrometry/resample.h is in libastrometry-dev 0.70+dfsg-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | /*
# This file is part of the Astrometry.net suite.
# Licensed under a 3-clause BSD style license - see LICENSE
*/
#ifndef RESAMPLE_H
#define RESAMPLE_H
typedef struct {
int order;
int weighted;
} lanczos_args_t;
/***
All the lanczos_* functions take a "lanczos_args_t*". for their "void* token".
They're declared this way for ease of generic use as callbacks
(eg in coadd.c)
*/
double lanczos(double x, int order);
double nearest_resample_f(double px, double py, const float* img,
const float* weightimg, int W, int H,
double* out_wt, void* token);
double lanczos_resample_f(double px, double py,
const float* img, const float* weightimg,
int W, int H, double* out_wt, void* token);
double lanczos_resample_unw_sep_f(double px, double py,
const float* img,
int W, int H, void* token);
double nearest_resample_d(double px, double py, const double* img,
const double* weightimg, int W, int H,
double* out_wt, void* token);
double lanczos_resample_d(double px, double py,
const double* img, const double* weightimg,
int W, int H, double* out_wt, void* token);
#endif
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