mirror of
https://github.com/eddyem/zerndeco.git
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99 lines
3.9 KiB
C
99 lines
3.9 KiB
C
/*
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* cmdlnopts.c - the only function that parse cmdln args and returns glob parameters
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*
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* Copyright 2013 Edward V. Emelianoff <eddy@sao.ru>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include <strings.h>
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#include <math.h>
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#include "zernike.h"
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#include "cmdlnopts.h"
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#include "usefull_macros.h"
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#define RAD 57.2957795130823
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#define D2R(x) ((x) / RAD)
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#define R2D(x) ((x) * RAD)
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/*
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* here are global parameters initialisation
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*/
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int help;
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glob_pars G;
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int rewrite_ifexists = 0, // rewrite existing files == 0 or 1
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verbose = 0; // each -v increments this value, e.g. -vvv sets it to 3
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// DEFAULTS
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// default global parameters
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glob_pars const Gdefault = {
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.pixsize = 30.e-3
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,.outfile = "wavefront"
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,.imagesize = 1024
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,.bench_maxP = 21 // Nmax = 5
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,.bench_iter = 100
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};
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/*
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* Define command line options by filling structure:
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* name has_arg flag val type argptr help
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*/
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myoption cmdlnopts[] = {
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// set 1 to param despite of its repeating number:
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{"help", NO_ARGS, NULL, 'h', arg_int, APTR(&help), N_("show this help")},
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{"verbose", NO_ARGS, NULL, 'v', arg_int, APTR(&verbose), N_("be more and more verbose")},
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{"rewrite", NO_ARGS, NULL, 'r', arg_none, APTR(&rewrite_ifexists),N_("rewrite existant files")},
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{"gradients",NEED_ARG, NULL, 'g', arg_string, APTR(&G.gradname), N_("file with pre-computed gradients")},
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{"wavefront",NEED_ARG, NULL, 'w', arg_string, APTR(&G.wf_fname), N_("file with mirror aberrations data (X, Y, dZ in meters)")},
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{"pixsize", NEED_ARG, NULL, 'p', arg_double, APTR(&G.pixsize), N_("CCD pixel size (if differs from FITS header)")},
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{"zern-gen",NO_ARGS, NULL, 'z', arg_none, APTR(&G.zerngen), N_("generate FITS file with wavefront by given Zernike coefficients, in benchmark mode - use this coefficients instead of random")},
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{"output", NEED_ARG, NULL, 'o', arg_string, APTR(&G.outfile), N_("output file name (\"wavefront\" by default")},
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{"benchmark",NO_ARGS, NULL, 'b', arg_none, APTR(&G.benchmark), N_("benchmark: test accuracy of different methods")},
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{"imsize", NEED_ARG, NULL, 's', arg_int, APTR(&G.imagesize), N_("size of output image (rectangular)")},
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{"bench-maxP",NEED_ARG, NULL, 'm', arg_int, APTR(&G.bench_maxP),N_("maximum amount of Zernike coefficients in decomposition")},
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{"bench-iter",NEED_ARG, NULL, 'i', arg_int, APTR(&G.bench_iter),N_("amount of iterations for benchmark (if -z is absent)")},
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{"zprec", NEED_ARG, NULL, 'Z', arg_double, APTR(&Z_prec), N_("minimal value of non-zero Zernike coefficients")},
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end_option
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};
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/**
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* Parse command line options and return dynamically allocated structure
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* to global parameters
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* @param argc - copy of argc from main
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* @param argv - copy of argv from main
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* @return allocated structure with global parameters
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*/
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glob_pars *parse_args(int argc, char **argv){
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int i;
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void *ptr;
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ptr = memcpy(&G, &Gdefault, sizeof(G)); assert(ptr);
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// format of help: "Usage: progname [args]\n"
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change_helpstring(_("Usage: %s [args] <input files or Zernike coefficients>\n\n\tWhere args are:\n"));
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// parse arguments
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parseargs(&argc, &argv, cmdlnopts);
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if(help) showhelp(-1, cmdlnopts);
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if(argc > 0){
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G.rest_pars_num = argc;
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G.rest_pars = calloc(argc, sizeof(char*));
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for (i = 0; i < argc; i++)
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G.rest_pars[i] = strdup(argv[i]);
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}
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return &G;
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}
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