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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 : ordselect.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
/* MIDAS include files */
#include <flames_midas_def.h>
/* FLAMES-UVES include files */
#include <flames_ordselect.h>
#include <flames_uves.h>
#include <uves_msg.h>
flames_err
ordselect(
orderpos *Order,
flames_frame *ScienceFrame,
allflats *Shifted_FF,
int32_t *ordend)
{
int32_t j=0;
int32_t myorder=0;
int32_t n=0;
int32_t lowlimglobal=0;
int32_t highlimglobal=0;
int32_t lowlimthis=0;
int32_t highlimthis=0;
char overlap=0;
frame_mask *fmvecbuf1=0;
int32_t *lvecbuf1=0;
int32_t *lvecbuf2=0;
int32_t myorderifibreoffset=0;
int32_t ifibre=0;
int32_t myorderifibrejindex=0;
fmvecbuf1 = Shifted_FF->goodfibres[0][0];
lvecbuf1 = Shifted_FF->lowfibrebounds[0][0];
lvecbuf2 = Shifted_FF->highfibrebounds[0][0];
for (j=0; j<=(ScienceFrame->subcols-1); j++) {
/* find the upper and lower limits of the set of slices to be
extracted at this x and order */
myorder = *ordend-Order->firstorder;
myorderifibreoffset = myorder*Shifted_FF->maxfibres;
for (n=0; (n<=(ScienceFrame->num_lit_fibres-1)) &&
fmvecbuf1[myorderifibrejindex=
((myorderifibreoffset+
(ifibre=ScienceFrame->ind_lit_fibres[n]))*
ScienceFrame->subcols)+j]==BADSLICE;
n++);
if (n<=(ScienceFrame->num_lit_fibres-1)) {
/* I found the first extractable one */
lowlimglobal = lvecbuf1[myorderifibrejindex];
highlimglobal = lvecbuf2[myorderifibrejindex];
/* find any other extractable slices */
for (n++; n<=(ScienceFrame->num_lit_fibres-1); n++) {
ifibre=ScienceFrame->ind_lit_fibres[n];
myorderifibrejindex=
((myorderifibreoffset+ifibre)*ScienceFrame->subcols)+j;
if (fmvecbuf1[myorderifibrejindex]!=BADSLICE) {
if (lowlimglobal > lvecbuf1[myorderifibrejindex])
lowlimglobal = lvecbuf1[myorderifibrejindex];
if (highlimglobal < lvecbuf2[myorderifibrejindex])
highlimglobal = lvecbuf2[myorderifibrejindex];
}
}
/* are there any more overlapping orders? */
overlap=1;
while (*ordend<Order->lastorder && overlap==1) {
overlap=0;
myorder++;
myorderifibreoffset = myorder*Shifted_FF->maxfibres;
/* find the upper and lower limits of the set of slices to be
extracted at this x and order */
for (n=0; (n<=(ScienceFrame->num_lit_fibres-1)) &&
fmvecbuf1[myorderifibrejindex=
((myorderifibreoffset+
(ifibre=ScienceFrame->ind_lit_fibres[n]))*
ScienceFrame->subcols)+j]==BADSLICE;
n++);
if (n<=(ScienceFrame->num_lit_fibres-1)) {
/* I found the first extractable one */
lowlimthis = lvecbuf1[myorderifibrejindex];
highlimthis = lvecbuf2[myorderifibrejindex];
for (n++; n<=(ScienceFrame->num_lit_fibres-1); n++) {
ifibre=ScienceFrame->ind_lit_fibres[n];
myorderifibrejindex=
((myorderifibreoffset+ifibre)*ScienceFrame->subcols)+j;
if (fmvecbuf1[myorderifibrejindex]!=BADSLICE) {
if (lowlimthis > lvecbuf1[myorderifibrejindex])
lowlimthis = lvecbuf1[myorderifibrejindex];
if (highlimthis < lvecbuf2[myorderifibrejindex])
highlimthis = lvecbuf2[myorderifibrejindex];
}
}
/* do the new orders overlap the global ones? */
/*
uves_msg_warning("low=%d high=%d lowlimglobal=%d highlimglobal=%d",
lowlimthis,highlimthis,lowlimglobal,highlimglobal);
*/
if ((lowlimthis>=lowlimglobal && lowlimthis<=highlimglobal) ||
(highlimthis>=lowlimglobal && highlimthis<=highlimglobal)) {
/* yes, they do */
(*ordend)++;
overlap=1;
if (lowlimthis<lowlimglobal) lowlimglobal=lowlimthis;
if (highlimthis>highlimglobal) highlimglobal=highlimthis;
}
}
}
}
}
return NOERR;
}
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