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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 : mergebadpixels.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_mergebadpixels.h>
flames_err mergebadpixels(flames_frame *framebuffer, char *badpxfname)
{
int status=0;
int badid=0;
int actvals=0;
int actsize=0;
int unit=0;
int null=0;
int tnaxis=0;
double *tstart=0;
double *tstep=0;
int *tnpix=0;
int ibuf[5]={0,0,0,0,0};
char messagebuffer[160];
int32_t ix=0;
frame_mask **newbadpixel=0;
frame_mask *fmvecbuf1=0;
frame_mask *fmvecbuf2=0;
int32_t totpixuplimit=0;
memset(messagebuffer, '\0', 160);
/* allocate the local vectors */
tstart = dvector(0,1);
tstep = dvector(0,1);
tnpix = ivector(0,1);
newbadpixel = fmmatrix(0,framebuffer->subrows-1, 0, framebuffer->subcols-1);
fmvecbuf1 = newbadpixel[0];
fmvecbuf2 = framebuffer->badpixel[0];
totpixuplimit = (framebuffer->subrows*framebuffer->subcols)-1;
/* is this a good filename? */
if ((status = SCFINF(badpxfname, 3, ibuf)) != 0) {
/* I could not open the file for information */
sprintf(messagebuffer, "File %s could not be opened",
badpxfname);
SCTPUT(messagebuffer);
}
else {
/* yes, the file exists; is it a data frame? */
if (ibuf[0] != F_IMA_TYPE) {
/* wrong file type */
sprintf(messagebuffer, "File %s is not of the type required for a bad \
pixel mask",
badpxfname);
SCTPUT(messagebuffer);
}
else {
/* yes, it is a data frame; open it */
if ((status = SCFOPN(badpxfname, D_I1_FORMAT, 0, F_IMA_TYPE,
&badid)) != 0) {
/* I could not open the file: protest... */
sprintf(messagebuffer, "File %s could not be opened",
badpxfname);
SCTPUT(messagebuffer);
}
/* read naxis */
if ((status=SCDRDI(badid, "NAXIS", 1, 1, &actvals, &tnaxis,
&unit, &null)) != 0) {
/* something went wrong in SCDRDI */
sprintf(messagebuffer, "Could not read the NAXIS descriptor in \
file %s",
badpxfname);
SCTPUT(messagebuffer);
}
/* does naxis match the data frame? */
if (tnaxis != 2) {
/* naxis does not match */
sprintf(messagebuffer, "The dimensions of file %s do not match those \
of the data frames",
badpxfname);
SCTPUT(messagebuffer);
}
else {
/* naxis matches, proceed to read start, step and npix */
if ((status=SCDRDD(badid, "START", 1, 2, &actvals, tstart,
&unit, &null)) != 0) {
/* something went wrong in SCDRDD */
sprintf(messagebuffer, "Could not read the START descriptor in \
file %s",
badpxfname);
SCTPUT(messagebuffer);
}
if ((status=SCDRDD(badid, "STEP", 1, 2, &actvals, tstep,
&unit, &null)) != 0) {
/* something went wrong in SCDRDD */
sprintf(messagebuffer, "Could not read the STEP descriptor in \
file %s",
badpxfname);
SCTPUT(messagebuffer);
}
if ((status=SCDRDI(badid, "NPIX", 1, 2, &actvals, tnpix,
&unit, &null)) != 0) {
/* something went wrong in SCDRDI */
sprintf(messagebuffer, "Could not read the NPIX descriptor in \
file %s",
badpxfname);
SCTPUT(messagebuffer);
}
/* do start, step and npix match the data frames? */
if (fabs(tstart[0]-framebuffer->substartx) >= DEPSILON ||
fabs(tstart[1]-framebuffer->substarty) >= DEPSILON ||
fabs(tstep[0]-framebuffer->substepx) >= DEPSILON ||
fabs(tstep[1]-framebuffer->substepy) >= DEPSILON ||
tnpix[0] != framebuffer->subcols ||
tnpix[1] != framebuffer->subrows) {
/* the dimensions do not match */
sprintf(messagebuffer, "The dimensions of file %s do not match \
those of the data frames",
badpxfname);
SCTPUT(messagebuffer);
}
else {
/* read in the badpixel mask */
if ((status = SCFGET(badid, 1,
framebuffer->subrows*framebuffer->subcols,
&actsize, (char *)newbadpixel[0]))
!= 0) {
/* something went wrong in SCFGET */
sprintf(messagebuffer, "Could not read the file %s as a bad \
pixel mask",
badpxfname);
SCTPUT(messagebuffer);
}
/* did I get all the elements I asked for? */
if(actsize != framebuffer->subrows*framebuffer->subcols) {
/* some elements were lost: protest... */
sprintf(messagebuffer, "Could not completely read file %s as a \
bad pixel mask",
badpxfname);
SCTPUT(messagebuffer);
}
else {
/* merge the new bad pixel mask in the data structure */
for(ix=0; ix<=totpixuplimit; ix++) {
if(fmvecbuf1[ix] != 0) {
/* mark as bad pixel */
fmvecbuf2[ix] = 1;
}
}
}
}
}
}
}
/* free local temporarily allocated variables */
free_dvector(tstart, 0, 1);
free_dvector(tstep, 0, 1);
free_ivector(tnpix, 0, 1);
free_fmmatrix(newbadpixel, 0, framebuffer->subrows-1,
0, framebuffer->subcols-1);
return(NOERR);
}
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