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/*
 * powder_plot.c
 *
 * Plot powder patterns
 *
 * (c) 2006-2010 Thomas White <taw@physics.org>
 *
 * Part of CrystFEL - crystallography with a FEL
 *
 */


#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <getopt.h>

#include "utils.h"
#include "image.h"
#include "detector.h"
#include "index.h"
#include "hdf5-file.h"


static void show_help(const char *s)
{
	printf("Syntax: %s [options] <file.h5>\n\n", s);
	printf(
"Compare intensity lists.\n"
"\n"
"  -h, --help                 Display this help message.\n"
"\n");
}


int main(int argc, char *argv[])
{
	int c;
	struct image image;
	int x, y;
	struct hdfile *hdfile;
	char *filename = NULL;

	/* Long options */
	const struct option longopts[] = {
		{"help",               0, NULL,               'h'},
		{"input",              1, NULL,               'i'},
		{0, 0, NULL, 0}
	};

	/* Short options */
	while ((c = getopt_long(argc, argv, "hi:", longopts, NULL)) != -1) {

		switch (c) {
		case 'h' : {
			show_help(argv[0]);
			return 0;
		}

		case 0 : {
			break;
		}

		case 'i' : {
			filename = strdup(optarg);
			break;
		}

		default : {
			return 1;
		}
		}

	}

	if ( filename == NULL ) {
		ERROR("You must specify the input filename with -i\n");
		return 1;
	}

	#include "geometry-lcls.tmp"

	hdfile = hdfile_open(filename);
	hdfile_set_image(hdfile, "/data/data");
	hdf5_read(hdfile, &image);

	for ( x=0; x<image.width; x++ ) {
	for ( y=0; y<image.height; y++ ) {

		double rx, ry, rz;
		double q;
		int intensity;

		map_position(&image, x, y, &rx, &ry, &rz);
		q = modulus(rx, ry, rz);

		intensity = image.data[x + image.width*y];

		printf("%5i\t%5i\t%7.3f\t%7i\n", x, y, q/1.0e9, intensity);

	}
	}

	return 0;
}