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FloatImg
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less code, less bug ?

This commit is contained in:
tth 2020-07-25 04:26:06 +02:00
parent 421dd724a7
commit c6dee909e8
1 changed files with 11 additions and 7 deletions
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18
funcs/fimg-fits.c
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@ -1,6 +1,9 @@
/* /*
* FLOATIMG * FLOATIMG
* import/export to/from FITS files * import/export to/from FITS files
https://heasarc.gsfc.nasa.gov/docs/software/fitsio/c/c_user/node1.html
*/ */
#include <stdio.h> #include <stdio.h>
@ -21,7 +24,7 @@ int bitpix = FLOAT_IMG;
long naxis = 2; long naxis = 2;
long naxes[2]; long naxes[2];
float **array; // XXX float *array[1];
#if DEBUG_LEVEL #if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %p '%s' %d )\n", __func__, src, outname, flags); fprintf(stderr, ">>> %s ( %p '%s' %d )\n", __func__, src, outname, flags);
@ -36,22 +39,23 @@ if (fits_create_file(&fptr, outname, &status)) {
} }
naxes[0] = src->width; naxes[1] = src->height; naxes[0] = src->width; naxes[1] = src->height;
array = calloc(src->height, sizeof(float *)); // XXX array = calloc(src->height, sizeof(float *));
if (verbosity) fimg_describe(src, "to be saved as FITS"); if (verbosity) fimg_describe(src, "to be saved as FITS");
#define REVERSE 1 /************************************************************
/* initialize pointers to the start of each row of the image */ ***** MAGIC CODE MUST COME HERE ?
array[0] = src->R; array[0] = src->R;
#define REVERSE 1
for( idx=0; idx<naxes[1]; idx++ ) { for( idx=0; idx<naxes[1]; idx++ ) {
/**** MAGIC CODE MUST COME HERE ****/
#if REVERSE #if REVERSE
k = naxes[1] - idx - 1; k = naxes[1] - idx - 1;
#else #else
k = idx; k = idx;
#endif #endif
array[idx] = src->R + (k*naxes[0]); array[idx] = src->R + (k*naxes[0]);
fprintf(stderr, " %6d %6d %p\n", idx, k, array[idx]); fprintf(stderr, " %6d %6d %p\n", idx, k, array[idx]);
} }
**************************************************************/
if ( fits_create_img(fptr, bitpix, naxis, naxes, &status) ) { if ( fits_create_img(fptr, bitpix, naxis, naxes, &status) ) {
fits_report_error(stderr, status); fits_report_error(stderr, status);
@ -59,7 +63,7 @@ if ( fits_create_img(fptr, bitpix, naxis, naxes, &status) ) {
} }
sz = naxes[0]*naxes[1]; sz = naxes[0]*naxes[1];
if ( fits_write_img(fptr, TFLOAT, 1, sz, array[0], &status) ) { if ( fits_write_img(fptr, TFLOAT, 1, sz, src->R, &status) ) {
fits_report_error(stderr, status); fits_report_error(stderr, status);
return -10; return -10;
} }