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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 : readframe.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_readframe.h>
#include <flames_newmatrix.h>
#include <flames_allocframe.h>
flames_err readframe(flames_frame *myframe, char *filename)
{
int status=0;
int actvals=0;
int naxis=0;
int unit=0;
int null=0;
int actsize=0;
int fileid=0;
int badid=0;
int sigmaid=0;
int i=0;
char messagebuffer[CATREC_LEN+1];
int *fibremask=0;
double start[2]={0,0};
double step[2]={0,0};
int npix[2]={0,0};
int maxfibres=0;
int firstorder=0;
int lastorder=0;
int tab_io_oshift=0;
int nflats=0;
char chipchoice=0;
double ron=0;
double gain=0;
memset(messagebuffer, '\0', CATREC_LEN+1);
/* try to open the frame */
if ((status = SCFOPN(filename, FLAMESDATATYPE, 0, F_IMA_TYPE,
&fileid)) != 0) {
/* I could not open the frame */
return(MAREMMA);
}
/* is it a 2D image? */
if ((status = SCDRDI(fileid, "NAXIS", 1, 1, &actvals, &naxis, &unit,
&null)) != 0) {
/* 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 ((status=SCDRDD(fileid, "START", 1, naxis, &actvals, start, &unit,
&null)) != 0) {
/* something went wrong in SCDRDD */
return(status);
}
if ((status=SCDRDD(fileid, "STEP", 1, naxis, &actvals, step, &unit,
&null)) != 0) {
/* something went wrong in SCDRDD */
return(status);
}
if ((status=SCDRDI(fileid, "NPIX", 1, naxis, &actvals, npix, &unit,
&null)) != 0) {
/* something went wrong in SCDRDI */
return(status);
}
if ((status=SCDRDI(fileid, "MAXFIBRES", 1, 1, &actvals, &maxfibres, &unit,
&null)) != 0) {
/* something went wrong in SCDRDI */
return(status);
}
if ((status=SCDRDI(fileid, "NFLATS", 1, 1, &actvals, &nflats, &unit,
&null)) != 0) {
/* something went wrong in SCDRDI */
return(status);
}
if ((status=SCDRDC(fileid, "CHIPCHOICE", 1, 1, 1, &actvals, &chipchoice,
&unit, &null)) != 0) {
/* something went wrong in SCDRDI */
return(status);
}
if ((status=SCDRDD(fileid, "RON", 1, 1, &actvals, &ron, &unit,
&null)) != 0) {
/* something went wrong in SCDRDD */
return(status);
}
if ((status=SCDRDD(fileid, "GAIN", 1, 1, &actvals, &gain, &unit,
&null)) != 0) {
/* something went wrong in SCDRDD */
return(status);
}
if ((status=SCDRDI(fileid, "ORDERLIM", 1, 1, &actvals, &firstorder, &unit,
&null)) != 0) {
/* something went wrong in SCDRDI */
return(status);
}
if ((status=SCDRDI(fileid, "ORDERLIM", 2, 1, &actvals, &lastorder, &unit,
&null)) != 0) {
/* something went wrong in SCDRDI */
return(status);
}
if ((status=SCDRDI(fileid, "TAB_IN_OUT_OSHIFT", 1, 1, &actvals,
&tab_io_oshift, &unit, &null)) != 0) {
/* something went wrong in SCDRDI */
return(status);
}
myframe->substartx = start[0];
myframe->substarty = start[1];
myframe->substepx = step[0];
myframe->substepy = step[1];
myframe->subcols = (int32_t) npix[0];
myframe->subrows = (int32_t) npix[1];
myframe->maxfibres = maxfibres;
myframe->nflats = (int32_t) nflats;
myframe->chipchoice = chipchoice;
myframe->ron = ron;
myframe->gain = gain;
myframe->firstorder = firstorder;
myframe->lastorder = lastorder;
myframe->tab_io_oshift = tab_io_oshift;
/* allocate dynamic submembers here */
if ((status = allocframe(myframe)) != NOERR) {
/* allocframe returned an error */
return(MAREMMA);
}
/* allocate the fibremask buffer */
fibremask = ivector(0, maxfibres-1);
/* read the fibremask */
if ((status=SCDRDI(fileid, "FIBREMASK", 1, myframe->maxfibres, &actvals,
fibremask, &unit, &null)) != 0) {
/* something went wrong in SCDRDI */
return(status);
}
for (i=0; i<=myframe->maxfibres-1; i++) {
myframe->fibremask[i] = (char) fibremask[i];
}
/* free the fibremask buffer */
free_ivector(fibremask, 0, (int32_t)maxfibres-1);
/* copy the frame name */
strcpy(myframe->framename, filename);
/* now read the actual frame itself */
if ((status = SCFGET(fileid, 1, myframe->subrows*myframe->subcols,
&actsize, (char *)&myframe->frame_array[0][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);
}
/* are yshifts defined already? */
if (myframe->nflats > 0) {
/* nflats is defined > 0, read yshifts */
if ((status = SCDRDD(fileid, "YSHIFT", 1, myframe->nflats, &actvals,
myframe->yshift, &unit, &null)) != 0) {
/* something went wrong in SCDRDD */
return(status);
}
}
/* when read by this function, a frame is assumed to have all the
related members defined and existing, such as bad pixel mask and
variance frame */
/* read the name of the sigma frame */
if ((status = SCDGETC(fileid, "SIGMAFRAME", 1, 79,
&actvals, myframe->sigmaname)) != 0) {
/* I could not read the descriptor, should never happen... */
return(MAREMMA);
}
/* read the name of the badpixel frame */
if ((status = SCDGETC(fileid, "BADPXFRAME", 1, 79,
&actvals, myframe->badname)) != 0) {
/* I could not read the descriptor, should never happen... */
return(MAREMMA);
}
/* close the data frame */
if ((status = SCFCLO(fileid)) != 0) {
/* problems closing the sigma frame */
return(MAREMMA);
}
/* open the sigma frame */
if ((status = SCFOPN(myframe->sigmaname, FLAMESDATATYPE, 0, F_IMA_TYPE,
&sigmaid)) != 0) {
/* I could not open the file: protest... */
sprintf(messagebuffer, "File %s could not be opened",
myframe->sigmaname);
SCTPUT(messagebuffer);
return(MAREMMA);
}
/* read the sigma frame itself */
if ((status = SCFGET(sigmaid, 1,
myframe->subrows*myframe->subcols,
&actsize, (char *)myframe->frame_sigma[0]))
!= 0) {
/* something went wrong in SCFGET */
sprintf(messagebuffer, "Could not read the file %s as a sigma frame",
myframe->sigmaname);
SCTPUT(messagebuffer);
return(MAREMMA);
}
/* did I get all the elements I asked for? */
if(actsize != myframe->subrows*myframe->subcols) {
/* some elements were lost: protest... */
sprintf(messagebuffer, "Could not completely read file %s as a sigma frame",
myframe->sigmaname);
SCTPUT(messagebuffer);
return(MAREMMA);
}
/* close the sigma frame */
if ((status = SCFCLO(sigmaid)) != 0) {
/* problems closing the sigma frame */
return(MAREMMA);
}
/* open the bad pixel frame */
if ((status = SCFOPN(myframe->badname, D_I1_FORMAT, 0, F_IMA_TYPE,
&badid)) != 0) {
/* I could not open the file: protest... */
sprintf(messagebuffer, "File %s could not be opened",
myframe->badname);
SCTPUT(messagebuffer);
return(MAREMMA);
}
/* read the badpixel frame itself */
if ((status = SCFGET(badid, 1,
myframe->subrows*myframe->subcols,
&actsize, (char *)myframe->badpixel[0]))
!= 0) {
/* something went wrong in SCFGET */
sprintf(messagebuffer, "Could not read the file %s as a bad pixel mask",
myframe->badname);
SCTPUT(messagebuffer);
return(MAREMMA);
}
/* did I get all the elements I asked for? */
if(actsize != myframe->subrows*myframe->subcols) {
/* some elements were lost: protest... */
sprintf(messagebuffer, "Could not completely read file %s as a bad pixel mask",
myframe->badname);
SCTPUT(messagebuffer);
return(MAREMMA);
}
/* close the bad pixel frame */
if ((status = SCFCLO(badid)) != 0) {
/* problems closing the sigma frame */
return(MAREMMA);
}
return(NOERR);
}
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