forked from tTh/FloatImg
adding bare FITS file support
This commit is contained in:
parent
4e90a400e7
commit
3849485c02
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@ -28,6 +28,7 @@ funcs/t
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funcs/*.o
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funcs/*.png
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funcs/*.gif
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funcs/*.fits
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scripts/*.fimg
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scripts/*.pnm
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@ -3,7 +3,7 @@
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* ugly code from tTh
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*/
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#define FIMG_VERSION 102
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#define FIMG_VERSION 103
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/*
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* in memory descriptor
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@ -39,6 +39,7 @@ typedef struct {
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#define FILE_TYPE_PNG 3
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#define FILE_TYPE_TGA 4
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#define FILE_TYPE_TIFF 5
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#define FILE_TYPE_FITS 6
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/* lib/contrast.c */
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#define CONTRAST_NONE 0
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@ -121,7 +122,6 @@ int fimg_cos_010(FloatImg *s, FloatImg *d, double maxval);
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/* module funcs/geometry.c */
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int fimg_equalize_compute(FloatImg *src, void *vptr);
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int fimg_mk_gray_from(FloatImg *src, FloatImg*dst, int k);
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int fimg_desaturate(FloatImg *src, FloatImg *dst, int k);
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@ -138,6 +138,9 @@ int fimg_dump_to_file(FloatImg *head, char *fname, int notused);
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int fimg_load_from_dump(char *fname, FloatImg *where);
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int fimg_create_from_dump(char *fname, FloatImg *head);
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int fimg_save_R_as_fits(FloatImg *src, char *outname, int flags);
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/* mathematics operations */
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float fimg_get_maxvalue(FloatImg *head);
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int fimg_get_minmax_rgb(FloatImg *head, float mmvals[6]);
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@ -4,12 +4,13 @@ COPT = -Wall -fpic -g -no-pie -DDEBUG_LEVEL=0
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DEPS = ../floatimg.h Makefile
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OBJS = fimg-png.o fimg-tiff.o misc-plots.o filtrage.o utils.o \
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fimg-libpnm.o rampes.o sfx0.o geometry.o rotate.o \
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equalize.o
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equalize.o fimg-fits.o
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#---------------------------------------------------------------
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t: t.c $(DEPS) ../libfloatimg.a
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gcc $(COPT) $< ../libfloatimg.a -lnetpbm -lpnglite -lz -lm -o $@
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gcc $(COPT) $< ../libfloatimg.a -lnetpbm -lpnglite -lcfitsio \
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-lz -lm -o $@
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#---------------------------------------------------------------
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@ -22,6 +23,9 @@ fimg-png.o: fimg-png.c $(DEPS)
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fimg-tiff.o: fimg-tiff.c $(DEPS)
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gcc $(COPT) -c $<
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fimg-fits.o: fimg-fits.c $(DEPS)
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gcc $(COPT) -c $<
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fimg-libpnm.o: fimg-libpnm.c $(DEPS)
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gcc $(COPT) -c $<
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@ -0,0 +1,69 @@
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/*
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* FLOATIMG
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* import/export to/from FITS files
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <fitsio.h>
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#include "../floatimg.h"
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extern int verbosity;
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/* --------------------------------------------------------------------- */
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int fimg_save_R_as_fits(FloatImg *src, char *outname, int flags)
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{
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fitsfile *fptr; /* pointer to the FITS file */
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int status, idx, sz;
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int bitpix = FLOAT_IMG;
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long naxis = 2;
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long naxes[2];
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float **array;
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#if DEBUG_LEVEL
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fprintf(stderr, ">>> %s ( %p '%s' %d )\n", __func__, src, outname, flags);
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#endif
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status = 0;
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remove(outname); /* Delete old file if it already exists */
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if (fits_create_file(&fptr, outname, &status)) {
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fits_report_error(stderr, status);
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return -9;
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}
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naxes[0] = src->width; naxes[1] = src->height;
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array = calloc(src->height, sizeof(float *));
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if (verbosity) fimg_describe(src, "to be saved as fits");
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/* initialize pointers to the start of each row of the image */
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for( idx=0; idx<naxes[1]; idx++ ) {
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/**** MAGIC CODE MUST COME HERE ****/
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array[idx] = src->R + (idx*naxes[0]);
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// fprintf(stderr, " %6d %p\n", idx, array[idx]);
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}
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if ( fits_create_img(fptr, bitpix, naxis, naxes, &status) ) {
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fits_report_error(stderr, status);
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return -10;
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}
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sz = naxes[0]*naxes[1];
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if ( fits_write_img(fptr, TFLOAT, 1, sz, array[0], &status) ) {
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fits_report_error(stderr, status);
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return -10;
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}
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if ( fits_close_file(fptr, &status) ) {
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fits_report_error(stderr, status);
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return -9;
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}
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return 0;
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}
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/* --------------------------------------------------------------------- */
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@ -46,7 +46,7 @@ for (x=0; x<fimg->width; x++) {
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fimg_plot_rgb(fimg, x, y, fr, fg, fb);
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}
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k = fimg->height/4;
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k = fimg->height / 4;
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for (x=0; x<fimg->width; x++) {
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val = ((double)x / (double)fimg->width) * dval;
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for (y=0; y<20; y++) {
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45
funcs/t.c
45
funcs/t.c
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@ -6,12 +6,32 @@
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#include <string.h>
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#include <pam.h>
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#include "../floatimg.h"
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int verbosity;
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float global_fvalue;
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/* --------------------------------------------------------------------- */
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/* essai de fichiers FITS (astronomie) */
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int essai_ecriture_fits(char *outname)
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{
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FloatImg src;
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int foo;
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fprintf(stderr, "%s is creating the picz\n", __func__);
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fimg_create(&src, 512, 512, FIMG_TYPE_RGB);
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fimg_test_pattern(&src, 0, 255.0);
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foo = fimg_save_as_pnm(&src, "foo.pnm", 0);
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foo = fimg_save_R_as_fits(&src, outname, 0);
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fprintf(stderr, "saving '%s' to fits --> %d\n", outname, foo);
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return -1;
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}
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/* --------------------------------------------------------------------- */
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/*
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* egalisation dynamique approximative
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@ -38,7 +58,6 @@ else {
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foo = fimg_equalize_compute(&src, NULL);
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fprintf(stderr, "equalize compute --> %d\n", foo);
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fimg_destroy(&src);
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return -1;
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@ -315,7 +334,9 @@ int re;
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fimg_create(&fimg, 1280, 960, FIMG_TYPE_RGB);
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re = fimg_test_pattern(&fimg, 9, 1.0);
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if (re) {
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fprintf(stderr, "fimg_test_pattern -> %d\n", re);
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}
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fimg_save_as_pnm(&fimg, "mire.pnm", 0);
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return -1;
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@ -346,15 +367,10 @@ int essai_ecrire_png(char *fname)
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FloatImg fimg;
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int foo;
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fimg_create(&fimg, 512, 512, FIMG_TYPE_RGB);
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fimg_create(&fimg, 800, 600, FIMG_TYPE_RGB);
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fimg_draw_something(&fimg);
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/* XXX
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for (foo=0; foo<512; foo++) {
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fimg_plot_rgb(&fimg, foo, foo, 17000.0, 8000.0, 11111.1);
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}
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*/
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foo = fimg_save_as_pnm(&fimg, "quux.pnm", 0);
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fprintf(stderr, "save as pnm -> %d\n", foo);
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@ -365,7 +381,7 @@ fprintf(stderr, "save as png -> %d\n", foo);
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return 0;
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}
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/* --------------------------------------------------------------------- */
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enum nCmd { Equalize=1, Rotate, Sfx0, F3x3, MIRE };
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enum nCmd { Equalize=1, Rotate, Sfx0, F3x3, MIRE, Wfits, Wpng };
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typedef struct {
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char *name;
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int Cmd;
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@ -377,6 +393,8 @@ Command commands[] = {
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{ "sfx0", Sfx0 },
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{ "f3x3", F3x3 },
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{ "mire", MIRE },
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{ "wfits", Wfits },
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{ "wpng", Wpng },
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{ NULL, 0 }
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} ;
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@ -444,7 +462,7 @@ if (verbosity) {
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}
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opt = lookup_cmd(command);
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fprintf(stderr, "lookup '%s' --> %d\n", command, opt);
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// fprintf(stderr, "lookup '%s' --> %d\n", command, opt);
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switch(opt) {
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case Equalize:
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@ -458,7 +476,12 @@ switch(opt) {
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case MIRE:
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foo = essai_mire(filename, 0);
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break;
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case Wfits:
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foo = essai_ecriture_fits(filename);
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break;
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case Wpng:
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foo = essai_ecrire_png(filename);
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break;
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default:
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fprintf(stderr, "%s : bad command\n", command);
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exit(1);
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