1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
C--------------------------------------------------------------------------
subroutine ftgacl(iunit,colnum,xtype,xbcol,xunit,xform,
& xscal,xzero,xnull,xdisp,status)
C Get information about an Ascii CoLumn
C returns the parameters which define the column
C iunit i Fortran i/o unit number
C colnum i number of the column (first column = 1)
C xtype c name of the column
C xbcol i starting character in the row of the column
C xunit c physical units of the column
C xform c Fortran-77 format of the column
C xscal d scaling factor for the column values
C xzero d scaling zero point for the column values
C xnull c value used to represent undefined values in the column
C xdisp c display format for the column (if different from xform
C status i returned error status
integer iunit,colnum,xbcol,status
double precision xscal,xzero
character*(*) xtype,xunit,xform,xnull,xdisp
C COMMON BLOCK DEFINITIONS:--------------------------------------------
integer nf,nb,ne
parameter (nb = 20)
parameter (nf = 3000)
parameter (ne = 200)
integer bufnum,chdu,hdutyp,maxhdu,hdstrt,hdend,nxthdr,dtstrt
integer nxtfld
logical wrmode
common/ft0001/bufnum(199),chdu(nb),hdutyp(nb),maxhdu(nb),
& wrmode(nb),hdstrt(nb,ne),hdend(nb),nxthdr(nb),dtstrt(nb),nxtfld
integer tfield,tstart,tbcol,rowlen,tdtype,trept,tnull,scount
integer theap,nxheap
double precision tscale,tzero
common/ft0002/tfield(nb),tstart(nb),tbcol(nf),rowlen(nb),
& tdtype(nf),trept(nf),tscale(nf),tzero(nf),tnull(nf),scount(nb)
& ,theap(nb),nxheap(nb)
character cnull*16, cform*8
common/ft0003/cnull(nf),cform(nf)
C END OF COMMON BLOCK DEFINITIONS------------------------------------
integer ibuff,nfound
if (status .gt. 0)return
if (colnum .lt. 1 .or. colnum .gt. 999)then
C illegal column number
status=302
return
end if
ibuff=bufnum(iunit)
C get the parameters which are stored in the common block
xbcol=tbcol(colnum+tstart(ibuff))+1
xform=cform(colnum+tstart(ibuff))
xscal=tscale(colnum+tstart(ibuff))
xzero=tzero(colnum+tstart(ibuff))
xnull=cnull(colnum+tstart(ibuff))
C read remaining values from the header keywords
xtype=' '
call ftgkns(iunit,'TTYPE',colnum,1,xtype,nfound,status)
xunit=' '
call ftgkns(iunit,'TUNIT',colnum,1,xunit,nfound,status)
xdisp=' '
call ftgkns(iunit,'TDISP',colnum,1,xdisp,nfound,status)
end
|
