/usr/include/astrometry/plotxy.h is in libastrometry-dev 0.70+dfsg-1.
This file is owned by root:root, with mode 0o644.
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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 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | /*
# This file is part of the Astrometry.net suite.
# Licensed under a 3-clause BSD style license - see LICENSE
*/
#ifndef PLOTXY_H
#define PLOTXY_H
#include "astrometry/plotstuff.h"
struct plotxy_args {
char* fn;
int ext;
char* xcol;
char* ycol;
double xoff, yoff;
int firstobj;
int nobjs;
double scale;
// coordinates added with xy_val <x> <y>
dl* xyvals;
// if WCS is set, x,y are treated as FITS pixel coords;
// that is, this are pushed through the WCS unmodified, then the resulting
// RA,Dec is pushed through the plot WCS, producing FITS coords, from which
// 1,1 is subtracted to yield 0-indexed image coords.
anwcs_t* wcs;
};
typedef struct plotxy_args plotxy_t;
plotxy_t* plot_xy_get(plot_args_t* pargs);
// Called prior to cairo surface initialization.
void* plot_xy_init(plot_args_t* args);
// Set the plot size based on IMAGEW,IMAGEH in the xylist header.
int plot_xy_setsize(plot_args_t* args, plotxy_t* xyargs);
// Clears the list of points.
void plot_xy_clear_list(plotxy_t* args);
void plot_xy_set_xcol(plotxy_t* args, const char* col);
void plot_xy_set_ycol(plotxy_t* args, const char* col);
void plot_xy_set_filename(plotxy_t* args, const char* fn);
int plot_xy_set_wcs_filename(plotxy_t* args, const char* fn, int ext);
int plot_xy_set_offsets(plotxy_t* args, double xo, double yo);
int plot_xy_command(const char* command, const char* cmdargs,
plot_args_t* args, void* baton);
int plot_xy_plot(const char* command, cairo_t* cairo,
plot_args_t* plotargs, void* baton);
void plot_xy_free(plot_args_t* args, void* baton);
void plot_xy_vals(plotxy_t* args, double x, double y);
DECLARE_PLOTTER(xy);
#endif
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