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# File rvsao/Util/vhead.x
# March 27, 2015
# By Jessica Mink, Harvard-Smithsonian Center for Astrophysics
# vwhead (mspec,specim) saves combined velocity results in the image header
# Copyright(c) 1995-2015 Smithsonian Astrophysical Observatory
# You may do anything you like with this file except remove this copyright.
# The Smithsonian Astrophysical Observatory makes no representations about
# the suitability of this software for any purpose. It is provided "as is"
# without express or implied warranty.
# VWHEAD saves combined velocity results in the object spectrum image header
include <imhdr.h>
include <imio.h>
include <fset.h>
include "../lib/rvsao.h"
include "../lib/emv.h"
procedure vwhead (mspec,specim)
int mspec # Object spectrum for which to write header in multispec file
pointer specim # Object image header structure
char qflag
char keyword[SZ_HKWORD] # header keyword
char mline[SZ_LINE] # one line character buffer
int imaccf()
include "../lib/rvsao.com"
include "../lib/results.com"
include "../lib/emv.com"
begin
if (spvqual == 1)
qflag = '?'
else if (spvqual == 2)
qflag = '?'
else if (spvqual == 3)
qflag = 'X'
else if (spvqual == 4)
qflag = 'Q'
else
qflag = '_'
# Save best Cz, error, and R to image header
IM_UPDATE(specim) = YES
if (mspec <= 0) {
call imaddd (specim,"VELOCITY",spvel, "cz (km/sec)")
call imaddd (specim, "Z", spvel / c0, "dwl / wl")
call imaddd (specim,"CZERR ",sperr, "cz error (km/sec)")
call imaddd (specim, "ZERR", sperr / c0, "error in dwl / wl")
call sprintf (mline,SZ_LINE,"%c")
call pargc (qflag)
call imastr (specim,"VELQUAL ",mline)
if (imaccf (specim, "BCV ") == NO)
call imaddd (specim, "BCV ",spechcv)
else
call imputd (specim,"BCV ",spechcv)
if (specref > 0) {
call sprintf (mline, SZ_HSTRING,
"Velocity from %.3fA %s emission line")
call pargd (waverest)
call pargstr (nmref[1,specref])
call imastr (specim, "VELSET ", mline)
}
else if (specref < 0) {
call sprintf (mline, SZ_HSTRING,
"Velocity from %.3fA %s absorption line")
call pargd (waverest)
call pargstr (nmabs[1,-specref])
call imastr (specim, "VELSET ", mline)
}
else if (waverest != 0.d0) {
call sprintf (mline, SZ_HSTRING,
"Velocity from line at %.3fA")
call pargd (waverest)
call imastr (specim, "VELSET ", mline)
}
}
else if (mspec < 1000) {
call sprintf (keyword,SZ_HKWORD,"APVEL%d")
call pargi (mspec)
call sprintf (mline,SZ_HSTRING,"%.3f %.3f %c %.3f")
call pargd (spvel)
call pargd (sperr)
call pargc (qflag)
call pargd (spechcv)
call imastr (specim,keyword,mline)
}
end
procedure vrhead (mspec0, specim, sbcv, shcv)
int mspec0 # Object spectrum to read from multispec file
pointer specim # Object image header structure
double sbcv # Object spectrum barycentric velocity correction
double shcv # Object spectrum heliocentric velocity correction
char keyword[SZ_HKWORD] # header keyword
char mline[SZ_HSTRING] # one line character buffer
char temp[SZ_LINE]
int ip, ctod()
int istat, sscan()
double dtemp, dindef
char qflag
int imaccf()
int mspec
bool vfound, afound
include "../lib/rvsao.com"
include "../lib/results.com"
include "../lib/emv.com"
include "../lib/oldres.com"
begin
if (debug) call printf ("VRHEAD: Reading combined velocity info\n")
mspec = mspec0
dindef = INDEFD
vfound = FALSE
# Initialize velocity parameters
spvel = dindef
sperr = dindef
spvqual = 0
spechcv = dindef
# Read solar system velocity correction(s) first
sbcv = dindef
shcv = dindef
call imgdpar (specim,"BCV",sbcv)
call imgdpar (specim,"HCV",shcv)
# Look for VELOCITY or APVELnn keywords in head and set flags if found
vfound = FALSE
afound = FALSE
if (mspec == 0) {
call strcpy ("VELOCITY",keyword, SZ_HKWORD)
if (imaccf (specim, keyword) == YES)
vfound = TRUE
else {
mspec = 1
call sprintf (keyword,SZ_HKWORD,"APVEL%d")
call pargi (mspec)
if (imaccf (specim, keyword) == YES)
afound = TRUE
mspec = 0
}
}
else if (mspec < 1000) {
call sprintf (keyword,SZ_HKWORD,"APVEL%d")
call pargi (mspec)
if (imaccf (specim, keyword) == YES)
afound = TRUE
else {
call strcpy ("VELOCITY",keyword, SZ_HKWORD)
if (imaccf (specim, keyword) == YES) {
vfound = TRUE
mspec = 0
}
}
}
else {
call strcpy ("VELOCITY",keyword, SZ_HKWORD)
if (imaccf (specim, keyword) == YES)
vfound = TRUE
}
# Read best Cz, error, and R from image header
spr0 = 0.d0
if (vfound) {
call imgdpar (specim,"VELOCITY",spvel)
call imgdpar (specim,"VELERR ",sperr)
call imgdpar (specim,"CZERR ",sperr)
call imgdpar (specim,"CZXCR ",spr0)
qflag = '_'
call imgcpar (specim,"VELQUAL ",qflag)
}
else if (afound) {
call sprintf (keyword,SZ_HKWORD,"APVEL%d")
call pargi (mspec)
call imgspar (specim,keyword,mline,SZ_HSTRING)
temp[1] = EOS
istat = sscan (mline)
call gargd (spvel)
call gargd (sperr)
call gargc (qflag)
call gargwrd (temp)
dtemp = dindef
ip = 1
if (ctod (temp,ip,dtemp) > 0) {
sbcv = dtemp
shcv = dtemp
}
}
if (vfound || afound) {
if (qflag == 'X')
spvqual = 3
else if (qflag == '?')
spvqual = 1
else if (qflag == 'Q')
spvqual = 4
else
spvqual = 0
}
spvel0 = spvel
sperr0 = sperr
spechcv0 = sbcv
spqual0 = qflag
if (debug) {
call printf ("VRHEAD: velocity = %.4f, bcv = %.4f, hcv = %.4f\n")
call pargd (spvel)
call pargd (sbcv)
call pargd (shcv)
}
return
end
procedure vthead (mspec0, tempim, tvel, tbcv, thcv, debug)
int mspec0 # Template spectrum to read from multispec file
pointer tempim # Template spectrum image header structure
double tvel # Template spectrum velocity
double tbcv # Template spectrum barycentric velocity correction
double thcv # Template spectrum heliocentric velocity correction
bool debug
char keyword[SZ_HKWORD] # header keyword
char mline[SZ_HSTRING] # one line character buffer
char temp[SZ_LINE]
int ip, ctod()
int istat, sscan()
double dtemp, dindef
double terr
char tflag
int imaccf()
int mspec
bool vfound,afound
begin
mspec = mspec0
dindef = INDEFD
vfound = FALSE
# Read solar system velocity correction(s) first
tbcv = dindef
thcv = dindef
call imgdpar (tempim,"BCV",tbcv)
call imgdpar (tempim,"HCV",thcv)
# Look for VELOCITY or APVELnn keywords in head and set flags if found
vfound = FALSE
afound = FALSE
if (mspec == 0) {
call strcpy ("VELOCITY",keyword, SZ_HKWORD)
if (imaccf (tempim, keyword) == YES)
vfound = TRUE
else {
mspec = 1
call sprintf (keyword,SZ_HKWORD,"APVEL%d")
call pargi (mspec)
if (imaccf (tempim, keyword) == YES)
afound = TRUE
mspec = 0
}
}
else if (mspec < 1000) {
call sprintf (keyword,SZ_HKWORD,"APVEL%d")
call pargi (mspec)
if (imaccf (tempim, keyword) == YES)
afound = TRUE
else {
call strcpy ("VELOCITY",keyword, SZ_HKWORD)
if (imaccf (tempim, keyword) == YES) {
vfound = TRUE
mspec = 0
}
}
}
else {
call strcpy ("VELOCITY",keyword, SZ_HKWORD)
if (imaccf (tempim, keyword) == YES)
vfound = TRUE
}
# Initialize velocity parameters
tvel = dindef
terr = dindef
# Read VELOCITY from header if aperture is 0 and keyword is present
if (vfound)
call imgdpar (tempim,"VELOCITY",tvel)
# Read VELOCITY and BCV, if present, from image header if APVELn is present
else if (afound) {
if (mspec == 0)
mspec = 1
call sprintf (keyword,SZ_HKWORD,"APVEL%d")
call pargi (mspec)
call imgspar (tempim,keyword,mline,SZ_HSTRING)
temp[1] = EOS
istat = sscan (mline)
call gargd (tvel)
call gargd (terr)
call gargc (tflag)
call gargwrd (temp)
dtemp = dindef
ip = 1
if (ctod (temp,ip,dtemp) > 0) {
tbcv = dtemp
thcv = dtemp
}
}
# If template velocity is not found, set it to zero
if (tvel == dindef)
tvel = 0.d0
if (debug) {
call printf ("VTHEAD: velocity = %.4f, bcv = %.4f, hcv = %.4f\n")
call pargd (tvel)
call pargd (tbcv)
call pargd (thcv)
}
end
# QWHEAD writes qplot history into an IRAF image header
procedure qwhead (mspec, specim, prognam)
int mspec # Number of spectrum to read from multispec file
pointer specim # Object image header structure
char prognam[ARB] # Name of program doing qplotting
char dstr[SZ_LINE] # Date string
char hstr[SZ_LINE] # New history string
char hstr0[SZ_LINE] # Old history string
char qflag
char keyword[SZ_HKWORD] # header keyword
char mline[SZ_LINE] # one line character buffer
int imaccf()
include "../lib/rvsao.com"
include "../lib/results.com"
include "../lib/emv.com"
begin
if (spvqual == 1)
qflag = '?'
else if (spvqual == 2)
qflag = '?'
else if (spvqual == 3)
qflag = 'X'
else if (spvqual == 4)
qflag = 'Q'
else
qflag = '_'
# Save best Cz, error, and R to image header
IM_UPDATE(specim) = YES
if (mspec <= 0) {
call imaddd (specim,"VELOCITY",spvel)
call imaddd (specim, "Z", spvel / c0)
call imaddd (specim,"CZERR ",sperr)
call sprintf (mline,SZ_LINE,"%c")
call pargc (qflag)
call imastr (specim,"VELQUAL ",mline)
if (imaccf (specim, "BCV ") == NO)
call imaddd (specim, "BCV ",spechcv)
if (specref > 0) {
call sprintf (mline, SZ_HSTRING,
"Velocity from %.3fA %s emission line")
call pargd (waverest)
call pargstr (nmref[1,specref])
call imastr (specim, "VELSET ", mline)
}
else if (specref < 0) {
call sprintf (mline, SZ_HSTRING,
"Velocity from %.3fA %s absorption line")
call pargd (waverest)
call pargstr (nmabs[1,-specref])
call imastr (specim, "VELSET ", mline)
}
else if (waverest != 0.d0) {
call sprintf (mline, SZ_HSTRING,
"Velocity from line at %.3fA")
call pargd (waverest)
call imastr (specim, "VELSET ", mline)
}
}
else if (mspec < 1000) {
call sprintf (keyword,SZ_HKWORD,"APVEL%d")
call pargi (mspec)
call sprintf (mline,SZ_HSTRING,"%.3f %.3f %c %.3f")
call pargd (spvel)
call pargd (sperr)
call pargc (qflag)
call pargd (spechcv)
call imastr (specim,keyword,mline)
}
# Put date and program name into HISTORY
call logtime (dstr, SZ_LINE)
if (mspec > 0 && nmspec == 1) {
call sprintf (hstr,SZ_LINE,"rvsao.%s %s %s Quality[%s] set")
call pargstr (prognam)
call pargstr (VERSION)
call pargstr (dstr)
call pargstr (specnums)
}
else {
call sprintf (hstr,SZ_LINE,"rvsao.%s %s %s VELOCITY = %.2f Q = %c")
call pargstr (prognam)
call pargstr (VERSION)
call pargstr (dstr)
call pargd (spvel)
call pargc (qflag)
}
hstr0[1] = EOS
call imgspar (specim,"QPLOT",hstr0,SZ_HSTRING)
if (hstr0[1] != EOS)
call imputh (specim, "HISTORY", hstr0)
call imastr (specim, "QPLOT", hstr)
return
end
# Jul 19 1995 New subroutines
# Sep 21 1995 Add QWHEAD to add qplot history line
# Oct 5 1995 Reformat history line to new standard
# Dec 5 1995 Initialize hcvel at start of VRHEAD
# Dec 18 1997 Set barycentric correction from BCV if APVELn not present
# Feb 13 1998 Do not read BCV if multispec file; do it in GETSPEC or GETTEMP
# Feb 13 1998 Add VTHEAD to read velocities for templates
# Feb 20 1998 Fix VTHEAD to deal with all conditions correctly
# Feb 23 1998 Fix VRHEAD to deal with all conditions correctly
# Apr 8 1998 Only set dtemp to INDEF when reading bcv and hcv from AVELnnn line
# Sep 16 2002 Set IM_UPDATE in vwhead() and qwhead() before calling imput()
# Aug 22 2005 Write Z to header
# Jan 27 2006 Write ZERR (Z error) to header
# Jul 13 2006 Do not try to create per-aperture keywords for apertures > 999
# Jan 31 2007 Write line used for velocity setting in vwhead() and qwhead()
# Jun 21 2007 In vwhead() always write BCV to header, even if there already
# May 14 2008 In vwhead(), do not write to header if ap > 999:1
# Mar 27 2015 Link to header and common files in lib/
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