File: flames_initbadpixel.c

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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
  ===========================================================================*/

/*-------------------------------------------------------------------------*/
/**
 * @defgroup flames_initbadpixel   Substep: initialize badpixel frm
 *
 */
/*-------------------------------------------------------------------------*/

/*---------------------------------------------------------------------------
  Includes
  --------------------------------------------------------------------------*/

#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_alloctemplate.h>
#include <flames_initbadpixel.h>

/**@{*/

/*---------------------------------------------------------------------------
  Implementation
  ---------------------------------------------------------------------------*/
/**
   @name  flames_initbadpixel()  
   @short initialize badpixel frm
   @author G. Mulas  -  ITAL_FLAMES Consortium. Ported to CPL by A. Modigliani

   @param myframe 
   @param filename
   @param H_RON_L
   @param H_RON_U
   @param H_GAIN_L
   @param H_GAIN_U

   @return success or failure code

   DRS Functions called:          
   none                                         

   Pseudocode:                                                             


   @note
 */


flames_err 
initbadpixel(
                flames_frame *myframe,
                char *filename,
                const char *H_RON_L,
                const char *H_RON_U,
                const char *H_GAIN_L,
                const char *H_GAIN_U)
{
    char chipchoice='\0';
    char h_ron_l[17];
    char h_ron_u[17];

    char h_gain_l[18];
    char h_gain_u[18];
    int status=0;
    int fileid=0;
    int actvals=0;
    int naxis=0;
    int unit=0;
    int null=0;
    int actsize=0;
    double ron=0;
    double gain=0;
    double start[2]={0,0};
    double step[2]={0,0};
    int npix[2]={0,0};
    int maxfibres=0;

    memset(h_ron_l, 0, 17);
    memset(h_ron_u, 0, 17);

    memset(h_gain_l, 0, 18);
    memset(h_gain_u, 0, 18);


    /* try to open the frame */
    if (0 != SCFOPN(filename, FLAMESMASKTYPE, 0, F_IMA_TYPE, &fileid)) {
        /* I could not open the frame */
        return(MAREMMA);
    }
    /* is it a 2D image? */
    if (0 != SCDRDI(fileid, "NAXIS", 1, 1, &actvals, &naxis, &unit, &null)) {
        /* something went wrong in SCDRDI */
        return(MAREMMA);
    }
    if (naxis != 2) {
        /* wrong dimensions, wrong frames, I suppose... */
        return(MAREMMA);
    }

    /* read all relevant scalar descriptors */
    /* read start, step and npix from the frame */
    if (0 !=SCDRDD(fileid, "START", 1, naxis, &actvals, start, &unit, &null)) {
        /* something went wrong in SCDRDD */
        return(status);
    }
    if (0 != SCDRDD(fileid, "STEP", 1, naxis, &actvals, step, &unit, &null)) {
        /* something went wrong in SCDRDD */
        return(status);
    }
    if (0 != SCDRDI(fileid, "NPIX", 1, naxis, &actvals, npix, &unit, &null)) {
        /* something went wrong in SCDRDI */
        return(status);
    }
    /* Where should the maxfibres information be stored? The most sensible
     way would perhaps be a frame descriptor in the ESO.* hierarchy.
     Remember to talk to amodigli about this */
    if (0 != SCDRDI(fileid, "MAXFIBRES", 1, 1, &actvals, &maxfibres, &unit,
    		&null)) {
        /* something went wrong in SCDRDI */
        return(status);
    }
    if (0 != SCDRDC(fileid, "CHIPCHOICE", 1, 1, 1, &actvals, &chipchoice, &unit,
    		&null)) {
        /* something went wrong in SCDRDC */
        return(status);
    }


    if (0 != SCKRDC(H_RON_L,16,1,1,&actvals, h_ron_l, &unit, &null)) {
        /* something went wrong in SCDRDC */
        return(status);
    }
    if ( 0 != SCKRDC(H_RON_U,16,1,1,&actvals, h_ron_u, &unit, &null)) {
        /* something went wrong in SCDRDC */
        return(status);
    }


    if (0 != SCKRDC(H_GAIN_L,17,1,1,&actvals, h_gain_l, &unit, &null)) {
        /* something went wrong in SCDRDC */
        return(status);
    }

    if (0 != SCKRDC(H_GAIN_U,17,1,1,&actvals, h_gain_u, &unit, &null)) {
        /* something went wrong in SCDRDC */
        return(status);
    }


    switch(chipchoice) {
    case 'u':
        /* upper chip, read the corresponding data */
        if (0 !=SCDRDD(fileid, h_ron_l, 1, 1, &actvals, &ron, &unit, &null)) {
            /* something went wrong in SCDRDD */
            return(status);
        }
        if (0 != SCDRDD(fileid, h_gain_l, 1, 1, &actvals, &gain, &unit, &null)) {
            /* something went wrong in SCDRDD */
            return(status);
        }
        break;
    case 'l':
        /* lower chip, read the corresponding data */
        if (0 !=SCDRDD(fileid, h_ron_u, 1, 1, &actvals, &ron, &unit, &null)) {
            /* something went wrong in SCDRDD */
            return(status);
        }
        if (0 != SCDRDD(fileid, h_gain_u, 1, 1, &actvals, &gain, &unit, &null)) {
            /* something went wrong in SCDRDD */
            return(status);
        }
        break;
    default:
        /* nothing to do here, actually the switch must have one of the
       above 2 values, if it doesn't just complain and quit */
        return(MAREMMA);
        break;
    }
    /* set up scalar member values in myframe */
    myframe->subcols = (int32_t) npix[0];
    myframe->subrows = (int32_t) npix[1];
    myframe->maxfibres = maxfibres; /* dummy value */
    myframe->chipchoice = chipchoice;
    myframe->substartx = start[0];
    myframe->substarty = start[1];
    myframe->substepx = step[0];
    myframe->substepy = step[1];
    myframe->ron = ron;
    myframe->gain = gain;
    /* these will be defined later during the reduction */
    myframe->firstorder = 0;
    myframe->lastorder = 0;
    myframe->tab_io_oshift=0;
    myframe->nflats = 0;
    myframe->back.Window_Number = 0;

    /* allocate dynamic submembers here */
    if (NOERR != alloctemplate(myframe)) {
        /* alloctemplate returned an error */
        return(MAREMMA);
    }

    /* now read the actual bad pixel frame itself */
    if (0 != SCFGET(fileid, 1, myframe->subrows*myframe->subcols,
                    &actsize, (char *)&myframe->badpixel[0][0])) {
        /* something went wrong in SCFGET */
        return(status);
    }
    /* did I get all the elements I asked for? */
    if(actsize != myframe->subrows*myframe->subcols) {
        /* some elements were lost: protest... */
        return(MAREMMA);
    }

    /* close bad pixel file */
    if (0 != SCFCLO(fileid)) {
        /* error closing bad pixel file */
        return(MAREMMA);
    }

    /* template frame successfully setup from general badpixel frame */

    return(NOERR);

}
/**@}*/