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/*
* wavelength_geom.c
*
* Check that wavelength reading works
*
* Copyright © 2020 Deutsches Elektronen-Synchrotron DESY,
* a research centre of the Helmholtz Association.
*
* Authors:
* 2020 Thomas White <taw@physics.org>
*
* This file is part of CrystFEL.
*
* CrystFEL is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* CrystFEL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CrystFEL. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <image.h>
int main(int argc, char *argv[])
{
DataTemplate *dtempl;
struct image *image;
const char *geom_filename;
const char *image_filename;
double expected_wavelength_m;
image_filename = argv[1];
geom_filename = argv[2];
expected_wavelength_m = atof(argv[3]);
dtempl = data_template_new_from_file(geom_filename);
if ( dtempl == NULL ) {
ERROR("Failed to load data template\n");
return 1;
}
image = image_read(dtempl, image_filename, NULL, 0, 0, NULL);
if ( image == NULL ) return 1;
printf("wavelength = %e\n", image->lambda);
printf("should be %e\n", expected_wavelength_m);
if ( !within_tolerance(image->lambda,
expected_wavelength_m,
0.1) ) return 1;
data_template_free(dtempl);
return 0;
}
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