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/*===========================================================================
Copyright (C) 2001 European Southern Observatory (ESO)
This program 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 2 of
the License, or (at your option) any later version.
This program 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 this program; if not, write to the Free
Software Foundation, Inc., 675 Massachusetss Ave, Cambridge,
MA 02139, USA.
Corresponding concerning ESO-MIDAS should be addressed as follows:
Internet e-mail: midas@eso.org
Postal address: European Southern Observatory
Data Management Division
Karl-Schwarzschild-Strasse 2
D 85748 Garching bei Muenchen
GERMANY
===========================================================================*/
/* Program : selectavail.c */
/* Author : G. Mulas - ITAL_FLAMES Consortium */
/* Date : */
/* */
/* Purpose : Missing */
/* */
/* */
/* Input: see interface */
/* */
/* Output: */
/* */
/* DRS Functions called: */
/* none */
/* */
/* Pseudocode: */
/* Missing */
/* */
/* Version : */
/* Last modification date: 2002/08/05 */
/* Who When Why Where */
/* AMo 02-08-05 Add header header */
/*-------------------------------------------------------------------------*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <math.h>
#include <flames_midas_def.h>
#include <flames_uves.h>
#include <flames_newmatrix.h>
#include <flames_shiftcommon.h>
#include <flames_shiftall.h>
flames_err selectavail(allflats *allflatsin, shiftstruct *shiftdata,
fitstruct *fitdata, int32_t iorder,
int32_t iframe, int32_t ix,
int32_t iy)
{
int32_t i=0;
shiftstruct *myshiftdata=0;
singleflat *myflat=0;
frame_data *fdvecbuf1=0;
frame_data *fdvecbuf2=0;
frame_mask *fmvecbuf1=0;
int32_t availpixels=0;
int32_t *myyintoffsets=0;
int32_t *myixoffsets=0;
double *myyfracoffsets=0;
int32_t shiftediy=0;
int32_t shiftedix=0;
int32_t shiftediyixindex=0;
myshiftdata = shiftdata+ix;
myyintoffsets = myshiftdata->yintoffsets;
myyfracoffsets = myshiftdata->yfracoffsets;
myixoffsets = myshiftdata->ixoffsets;
myflat = allflatsin->flatdata+iframe;
fdvecbuf1 = myflat->data[0];
fdvecbuf2 = myflat->sigma[0];
fmvecbuf1 = myflat->badpixel[0];
availpixels = 0;
/* go fetch the appropriate shifted pixels and add them to the list to be
used for interpolation */
for (i=0; i<=myshiftdata->numoffsets-1; i++){
shiftediy = iy-myyintoffsets[i];
/* does this integer y shift end within frame boundaries */
if ((shiftediy >= 0) && (shiftediy <= (allflatsin->subrows)-1)) {
shiftedix = myixoffsets[i];
shiftediyixindex = (shiftediy*allflatsin->subcols)+shiftedix;
/* is the shifted one a good pixel? */
if (fmvecbuf1[shiftediyixindex] == 0) {
/* yes, it is indeed good: enroll it in the list */
fitdata->offset[availpixels] = myyfracoffsets[i];
fitdata->value[availpixels] = fdvecbuf1[shiftediyixindex];
fitdata->sigma[availpixels] = fdvecbuf2[shiftediyixindex];
availpixels++;
}
}
}
fitdata->availpixels = availpixels;
return(NOERR);
}
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