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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <error.h>
include <fset.h>
include "rfits.h"
define NTYPES 7 # the number of image data types
# RFITS -- Read FITS format data. Further documentation given in rfits.hlp
procedure t_rfits()
int inlist, outlist, len_inlist, len_outlist
int file_number, offset, stat, first_file, last_file
pointer sp, infile, file_list, outfile, ext_list, in_fname, out_fname
pointer pl, axes
bool clgetb(), pl_linenotempty()
#char clgetc()
int rft_get_image_type(), clgeti(), mtfile(), strlen(), btoi(), fntlenb()
int rft_read_fitz(), fntgfnb(), fstati(), mtneedfileno(), fntrfnb()
pointer fntopnb(), rft_flist()
real clgetr(), rft_fe()
include "rfits.com"
begin
# Set up the standard output to flush on a newline.
if (fstati (STDOUT, F_REDIR) == NO)
call fseti (STDOUT, F_FLUSHNL, YES)
# Allocate working space.
call smark (sp)
call salloc (infile, SZ_FNAME, TY_CHAR)
call salloc (file_list, SZ_LINE, TY_CHAR)
call salloc (outfile, SZ_FNAME, TY_CHAR)
call salloc (ext_list, SZ_LINE, TY_CHAR)
call salloc (in_fname, SZ_FNAME, TY_CHAR)
call salloc (out_fname, SZ_FNAME, TY_CHAR)
call salloc (axes, 2, TY_INT)
# Get RFITS parameters.
call clgstr ("fits_file", Memc[infile], SZ_FNAME)
long_header = btoi (clgetb ("long_header"))
short_header = btoi (clgetb ("short_header"))
len_record = FITS_RECORD
old_name = btoi (clgetb ("oldirafname"))
make_image = btoi (clgetb ("make_image"))
# Open the input file list.
call clgstr ("file_list", Memc[ext_list], SZ_LINE)
if (mtfile (Memc[infile]) == YES) {
inlist = NULL
if (mtneedfileno (Memc[infile]) == YES) {
call strcpy (Memc[ext_list], Memc[file_list], SZ_LINE)
} else {
call sprintf (Memc[file_list], SZ_LINE, "1[%s]")
call pargstr (Memc[ext_list])
}
} else {
inlist = fntopnb (Memc[infile], NO)
len_inlist = fntlenb (inlist)
if (len_inlist > 0) {
if (Memc[ext_list] == EOS) {
call sprintf (Memc[file_list], SZ_LINE, "1-%d[0]")
call pargi (len_inlist)
#call pargstr (Memc[ext_list])
} else {
call sprintf (Memc[file_list], SZ_LINE, "1-%d[%s]")
call pargi (len_inlist)
call pargstr (Memc[ext_list])
}
} else {
call sprintf (Memc[file_list], SZ_LINE, "0[%s]")
call pargstr (Memc[ext_list])
}
}
# Decode the ranges string.
pl = rft_flist (Memc[file_list], first_file, last_file, len_inlist)
if (pl == NULL || len_inlist <= 0)
call error (1, "T_RFITS: Illegal file/extensions number list")
# Open the output file list.
if (make_image == YES) {
call clgstr ("iraf_file", Memc[outfile], SZ_FNAME)
if (Memc[outfile] == EOS) {
if (old_name == YES)
call mktemp ("tmp$", Memc[outfile], SZ_FNAME)
else
call error (0, "T_RFITS: Undefined output file name")
}
outlist = fntopnb (Memc[outfile], NO)
len_outlist = fntlenb (outlist)
offset = clgeti ("offset")
} else {
Memc[outfile] = EOS
outlist = NULL
len_outlist = 1
}
if ((len_outlist > 1) && (len_outlist != len_inlist))
call error (0,
"T_RFITS: Output and input lists have different lengths")
# Get the remaining parameters. Use the string in_fname as a
# temporary variable.
#data_type = rft_get_image_type (clgetc ("datatype"))
call clgstr ("datatype", Memc[in_fname], SZ_FNAME)
data_type = rft_get_image_type (Memc[in_fname])
scale = btoi (clgetb ("scale"))
blank = clgetr ("blank")
# Get the scan size parameter.
fe = rft_fe (Memc[infile])
# Read successive FITS files, convert and write into a numbered
# succession of output IRAF files.
do file_number = first_file, last_file {
# Get the next file number.
Memi[axes] = 1
Memi[axes+1] = file_number
if (! pl_linenotempty (pl, Memi[axes]))
next
# Get the input file name.
if (inlist != NULL) {
if (fntgfnb (inlist, Memc[in_fname], SZ_FNAME) == EOF)
call error (0, "T_RFITS: Error reading input file name")
} else {
if (mtneedfileno (Memc[infile]) == YES)
call mtfname (Memc[infile], file_number, Memc[in_fname],
SZ_FNAME)
else
call strcpy (Memc[infile], Memc[in_fname], SZ_FNAME)
}
# Get the output file name.
if (outlist == NULL) {
Memc[out_fname] = EOS
} else if (len_inlist > len_outlist) {
if (fntrfnb (outlist, 1, Memc[out_fname], SZ_FNAME) == EOF)
call strcpy (Memc[outfile], Memc[out_fname], SZ_FNAME)
if (len_inlist > 1) {
call sprintf (Memc[out_fname+strlen(Memc[out_fname])],
SZ_FNAME, "%04d")
call pargi (file_number + offset)
}
} else if (fntgfnb (outlist, Memc[out_fname], SZ_FNAME) == EOF)
call error (0, "T_RFITS: Error reading output file name")
# Convert FITS file to the output IRAF file. If EOT is reached
# then exit. If an error is detected then print a warning and
# continue with the next file.
iferr (stat = rft_read_fitz (Memc[in_fname], Memc[out_fname],
pl, file_number))
call erract (EA_FATAL)
if (stat == EOF)
break
}
if (inlist != NULL)
call fntclsb (inlist)
if (outlist != NULL)
call fntclsb (outlist)
if (pl != NULL)
call pl_close (pl)
call sfree (sp)
end
# RFT_GET_IMAGE_TYPE -- Convert a character to and IRAF image type.
int procedure rft_get_image_type (c)
char c
int type_codes[NTYPES], i
string types "usilrdx"
int stridx()
data type_codes /TY_USHORT, TY_SHORT, TY_INT, TY_LONG, TY_REAL,
TY_DOUBLE, TY_COMPLEX/
begin
i = stridx (c, types)
if (i == 0)
return (ERR)
else
return (type_codes[stridx(c,types)])
end
# RFT_FE -- Fetch the maximum file size in MB for tape scanning mode.
real procedure rft_fe (file)
char file[ARB] # the input file name
pointer gty
real fe
int mtfile(), gtygeti()
pointer mtcap()
errchk gtygeti()
begin
if (mtfile (file) == NO)
return (0.0)
iferr (gty = mtcap (file))
return (0.0)
iferr (fe = gtygeti (gty, "fe"))
fe = 0.0
call gtyclose (gty)
return (fe)
end
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