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include <gset.h>
include "rvpackage.h"
include "rvflags.h"
include "rvcont.h"
# RV_VERBOSE_FIT - Write a verbose description of the fit and correlation.
procedure rv_verbose_fit (rv, ofd)
pointer rv #I RV struct pointer
int ofd #I Output file descriptor
pointer sp, fname
int fd
int open()
errchk mktemp, open
begin
if (ofd != STDOUT) {
if (RV_VERBOSE(rv) == OF_TXTONLY ||
RV_VERBOSE(rv) == OF_NOLOG ||
RV_VERBOSE(rv) == OF_STXTONLY) {
return
}
}
# Allocate some space
call smark (sp)
call salloc (fname, SZ_PATHNAME, TY_CHAR)
# Make a temporary file name and open it up
if (ofd == STDOUT) {
call mktemp ("uparm$tmp", Memc[fname], SZ_PATHNAME)
iferr (fd = open (Memc[fname], NEW_FILE, TEXT_FILE))
call error (0, "Error opening temp file.")
call wrt_fit (rv, fd) # Start printing it out
call close (fd) # Close the file
# Page the file
call gpagefile (RV_GP(rv), Memc[fname], "")
call delete (Memc[fname]) # Clean up
} else if (ofd != NULL) {
call wrt_fit (rv, ofd)
call fprintf (ofd, "\f")
}
call sfree (sp)
end
# RV_MEAN_RESID - Compute the median and sigma of the residuals of the fit.
procedure rv_mean_resid (rv, mean, sigma)
pointer rv #I RV struct pointer
real mean #O Mean of residuals
real sigma #O Sigma of residuals
pointer sp, resx, resy
real x, y
int npts, i
real model()
begin
if (RV_FITDONE(rv) == NO) {
if (RV_INTERACTIVE(rv) == YES)
call rv_errmsg ("Error: No fit yet done to the data.")
return
}
if (RV_FITFUNC(rv) == SINC) {
mean = 0.0
sigma = 0.0
return
}
npts = RV_IEND(rv) - RV_ISTART(rv) + 1
call smark (sp)
call salloc (resx, npts, TY_REAL)
call salloc (resy, npts, TY_REAL)
# Compute the residuals or ratio of the fit
x = WRKPIXX(rv,RV_ISTART(rv))
do i = 1, npts {
Memr[resx+i-1] = x
if (IS_DBLSTAR(rv) == NO) {
switch (RV_FITFUNC(rv)) {
case GAUSSIAN:
call cgauss1d (x, 1, COEFF(rv,1), 4, y)
case LORENTZIAN:
call lorentz (x, 1, COEFF(rv,1), 4, y)
case PARABOLA:
call polyfit (x, 1, COEFF(rv,1), 3, y)
}
} else {
y = model (x, DBL_COEFFS(rv,1), 3*DBL_NSHIFTS(rv)+2)
y = DBL_SCALE(rv) * y +
(DBL_Y1(rv)+DBL_SLOPE(rv)*(x-DBL_X1(rv)))
}
Memr[resy+i-1] = WRKPIXY(rv,i+RV_ISTART(rv)-1) - y
x = x + 1.
}
call aavgr (Memr[resy], npts, mean, sigma)
call sfree (sp)
end
# WRT_FIT - Write a verbose description of the fit and correlation
procedure wrt_fit (rv, fd)
pointer rv #I RV struct pointer
int fd #I Tmp file descriptor
pointer sp, ffunc, orange, rrange, system_id, title
bool itob()
include "fitcom.com"
begin
# Allocate some space
call smark (sp)
call salloc (ffunc, SZ_FNAME, TY_CHAR)
call salloc (orange, SZ_LINE, TY_CHAR)
call salloc (rrange, SZ_LINE, TY_CHAR)
call salloc (system_id, SZ_LINE, TY_CHAR)
call salloc (title, 2*SZ_LINE, TY_CHAR)
# Get those string valued parameters
call rv_make_range_string (RV_OSAMPLE(rv), Memc[orange])
call rv_make_range_string (RV_RSAMPLE(rv), Memc[rrange])
if (IS_DBLSTAR(rv) == NO)
call nam_fitfunc (rv, Memc[ffunc])
else
call strcpy ("deblend", Memc[ffunc], SZ_FNAME)
call sysid (Memc[system_id], SZ_LINE)
call sprintf (Memc[title], 2*SZ_LINE, "\n%14t%s\n\t %s\n\n")
call pargstr (
"Description of Fit to CCF Peak and Cross-Correlation")
call pargstr (Memc[system_id])
call fprintf (fd, Memc[title])
# Write out the image stuff
#call fprintf (fd, "Obj = `%.24s[%.4d]'%40tstar = `%.24s'\n")
call fprintf (fd, "Obj = `%24s[%.4d]'%40tstar = `%.24s'\n")
call pargstr (IMAGE(rv))
call pargi (RV_APNUM(rv))
call pargstr (OBJNAME(rv))
#call fprintf (fd, "Temp = `%.24s[%.4d]'%40tstar = `%.24s'\n")
call fprintf (fd, "Temp = `%24s[%.4d]'%40tstar = `%.24s'\n")
call pargstr (RIMAGE(rv))
call pargi (RV_APNUM(rv))
call pargstr (TEMPNAME(rv))
call fprintf (fd, "Deltav = %.3f Km/sec%40tTempvel = %.3f Km/sec\n\n")
call pargr (RV_DELTAV(rv))
call pargr (TEMPVEL(rv,RV_TEMPNUM(rv)))
# Now do the fitting parameters
call fprintf (fd, "Fit Parameters:\n")
call fprintf (fd, "%10tFunction = `%s'%46tWidth = %g\n")
call pargstr (Memc[ffunc])
call pargr (RV_FITWIDTH(rv))
call fprintf (fd, "%12tHeight = %g%43tMinwidth = %g\n")
call pargr (RV_FITHGHT(rv))
call pargr (RV_MINWIDTH(rv))
call fprintf (fd, "%14tPeak = %g%43tMaxwidth = %g\n")
call pargb (itob(RV_PEAK(rv)))
call pargr (RV_MAXWIDTH(rv))
call fprintf (fd, "%11tWeights = %b%41tBackground = %g\n")
call pargr (RV_WEIGHTS(rv))
call pargr (RV_BACKGROUND(rv))
call fprintf (fd, "%9tWincenter = %g%45tWindow = %d\n")
call pargr (RV_WINCENPAR(rv))
call pargr (RV_WINPAR(rv))
# Write out some more fitting information
call fprintf (fd, "\n\tNumber of points fit = %d\n")
call pargi (nfit)
if (RV_FITFUNC(rv) != SINC && RV_FITFUNC(rv) != CENTER1D) {
call fprintf (fd, "\tNumber of iterations = %d\n")
call pargi (niter)
call fprintf (fd, "\tNumber of coeffs fit = 1 - %d\n")
call pargi (nfitpars)
call fprintf (fd, "\tChi Squared of fit = %.4g\n")
call pargr (chisqr)
call fprintf (fd, "\tFit Coefficients:\n")
call wrt_coeffs (rv, fd)
}
call rv_mean_resid (rv, mresid, sresid)
call fprintf (fd, "\n\tMean Residual = %f\n\tSigma of Residuals = %f\n")
call pargr (mresid)
call pargr (sresid)
call fprintf (fd, "\tMaximum of cross-correlation is in bin = %d.\n")
call pargi (binshift)
call fprintf (fd, "\tVariance of cross-correlation = %g\n")
call pargr (ccfvar)
call fprintf (fd, "\tHJD of observation = %.5f %50tMJD = %.5f\n")
if (RV_DCFLAG(rv) == -1) {
call pargd (INDEFD)
call pargd (INDEFD)
} else {
call pargd (RV_HJD(rv))
call pargd (RV_MJD_OBS(rv))
}
call fprintf (fd, "\tObject sample used in correlation = `%s'\n")
call pargstr (Memc[orange])
call fprintf (fd, "\tTemplate sample used in correlation = `%s'\n")
call pargstr (Memc[rrange])
call fprintf (fd, "\tTonry&Davis R value = %g\n\n")
call pargr (RV_R(rv))
# Now print out some velocity information
call fprintf (fd, "Velocity Results:\n")
call wrt_velocity (rv, fd)
# Lastly print out any error comments
call fprintf (fd, "\nComments:\n")
if (RV_ERRCOMMENTS(rv) != NULL) {
call fprintf (fd, "%s\n")
call pargstr (ERRCOMMENTS(rv))
}
call fprintf (fd, "\n")
# Clean up
call flush (fd)
call sfree (sp)
end
# WRT_VELOCITY - Write out the velocity information.
procedure wrt_velocity (rv, fd)
pointer rv #I RV struct pointer
pointer fd #I Output file descriptor
int i
double rv_shift2vel()
begin
if (IS_DBLSTAR(rv) == NO) {
call fprintf (fd, "\tShift of peak = %.4f pixels\n")
call pargr (RV_SHIFT(rv))
call fprintf (fd, "\tCorrelation height = %.3f\n")
call pargr (RV_HEIGHT(rv))
call fprintf (fd, "\tFWHM of peak = %g Km/sec\t(=%g pixels)\n\n")
if (RV_DCFLAG(rv) == -1 || IS_INDEF(RV_FWHM(rv)))
call pargr (INDEF)
else
call pargr (RV_FWHM(rv)*RV_DELTAV(rv))
call pargr (RV_FWHM(rv))
call fprintf (fd, "\tVelocity computed from shift = %.4f Km/sec\n")
call pargr (RV_VREL(rv))
call fprintf (fd, "\tObserved velocity = %.4f Km/sec\n")
call pargd (RV_VOBS(rv))
call fprintf (fd,"\tHeliocentric velocity = %.4f +/- %.3f Km/sec\n")
call pargd (RV_VCOR(rv))
if (RV_DCFLAG(rv) != -1)
call pargd (RV_ERROR(rv))
else
call pargd (INDEFD)
} else {
call fprintf (fd, "\tShift of peak[1] = %.4f pixels\n")
call pargr (DBL_SHIFT(rv,1))
do i = 2, DBL_NSHIFTS(rv) {
call fprintf (fd, "%22t[%d] = %.4f pixels\n")
call pargi (i)
call pargr (DBL_SHIFT(rv,i))
}
call fprintf (fd, "\tCorrelation height[1] = %.3f\n")
call pargr (DBL_HEIGHT(rv,1))
do i = 2, DBL_NSHIFTS(rv) {
call fprintf (fd, "%27t[%d] = %.3f\n")
call pargi (i)
call pargr (DBL_HEIGHT(rv,i))
}
call fprintf (fd, "\tFWHM of peak[1] = %f Km/s\n")
call pargr (DBL_FWHM(rv,1))
do i = 2, DBL_NSHIFTS(rv) {
call fprintf (fd, "%21t[%d] = %f Km/s\n")
call pargi (i)
call pargr (DBL_FWHM(rv,i))
}
call fprintf (fd,
"\n\tVelocity computed from shift[1] = %.4f Km/s\n")
call pargd (rv_shift2vel(rv,DBL_SHIFT(rv,1)))
do i = 2, DBL_NSHIFTS(rv) {
call fprintf (fd, "%37t[%d] = %.4f Km/s\n")
call pargi (i)
call pargd (rv_shift2vel(rv,DBL_SHIFT(rv,i)))
}
call fprintf (fd, "\tObserved velocity[1] = %.4f Km/s\n")
call pargr (DBL_VOBS(rv,1))
do i = 2, DBL_NSHIFTS(rv) {
call fprintf (fd, "%26t[%d] = %.4f Km/s\n")
call pargi (i)
call pargr (DBL_VOBS(rv,i))
}
call fprintf(fd,"\tHeliocentric velocity[1] = %.4f +/- %.3f Km/s\n")
call pargr (DBL_VHELIO(rv,1))
call pargr (DBL_VERR(rv,1))
do i = 2, DBL_NSHIFTS(rv) {
call fprintf (fd, "%30t[%d] = %.4f +/- %.3f Km/s\n")
call pargi (i)
call pargr (DBL_VHELIO(rv,i))
call pargr (DBL_VERR(rv,i))
}
}
call flush (fd)
end
# WRT_COEFFS - Write the fit coefficients and errors
procedure wrt_coeffs (rv, fd)
pointer rv #I RV struct pointer
int fd #I File descriptor
begin
if (fd == NULL)
return
if (IS_DBLSTAR(rv) == YES) {
call wrt_debl_coeffs (rv, fd)
} else if (RV_FITFUNC(rv) == GAUSSIAN || RV_FITFUNC(rv) == LORENTZIAN) {
call fprintf (fd, "\t\tc[1] = %8.4f +/- %6.4f%65t# Amplitude\n")
call pargr (COEFF(rv,1))
call pargr (ECOEFF(rv,1))
call fprintf (fd, "\t\tc[2] = %8.4f +/- %6.4f%65t# Center\n")
call pargr (COEFF(rv,2))
call pargr (ECOEFF(rv,2))
if (RV_FITFUNC(rv) == GAUSSIAN)
call fprintf (fd, "\t\tc[3] = %8.4f +/- %6.4f%65t# Sigma^2\n")
else
call fprintf (fd, "\t\tc[3] = %8.4f +/- %6.4f%65t# FWHM\n")
call pargr (COEFF(rv,3))
call pargr (ECOEFF(rv,3))
if (IS_INDEF(RV_BACKGROUND(rv))) {
call fprintf (fd,
"\t\tc[4] = %8.4f +/- %6.4f%65t# Background\n")
call pargr (COEFF(rv,4))
call pargr (ECOEFF(rv,4))
} else {
call fprintf (fd,
"\t\tc[4] = %8.4f (fixed)%65t# Background\n")
call pargr (RV_BACKGROUND(rv))
}
} else if (RV_FITFUNC(rv) == PARABOLA) {
call fprintf (fd, "\t\tc[1] = %8.4f +/- %6.4f\n")
call pargr (COEFF(rv,1))
call pargr (ECOEFF(rv,1))
call fprintf (fd, "\t\tc[2] = %8.4f +/- %6.4f\n")
call pargr (COEFF(rv,2))
call pargr (ECOEFF(rv,2))
call fprintf (fd, "\t\tc[3] = %8.4f +/- %6.4f\n")
call pargr (COEFF(rv,3))
call pargr (ECOEFF(rv,3))
}
call flush (fd)
end
# WRT_DEBL_COEFFS - Write the fit coefficients and errors for a deblended fit.
procedure wrt_debl_coeffs (rv, fd)
pointer rv #I RV struct pointer
int fd #I File descriptor
int i
begin
if (fd == NULL)
return
call fprintf (fd, "\t\tc[1] = %8.4f %45t# First line position\n")
call pargr (DBL_COEFFS(rv,1))
call fprintf (fd, "\t\tc[2] = %8.4f %45t# First line sigma\n")
call pargr (DBL_COEFFS(rv,2))
do i = 1, DBL_NSHIFTS(rv) {
call fprintf (fd, "\t\tc[%d] = %8.4f %45t# Line #%d Amplitude\n")
call pargi (3*i)
call pargr (DBL_COEFFS(rv,3*i))
call pargi (i)
call fprintf (fd,
"\t\tc[%d] = %8.4f %45t# Line #%d Center (relative)\n")
call pargi (3*i+1)
call pargr (DBL_COEFFS(rv,3*i+1))
call pargi (i)
call fprintf (fd,
"\t\tc[%d] = %8.4f %45t# Line #%d Sigma (relative)\n")
call pargi (3*i+2)
call pargr (DBL_COEFFS(rv,3*i+2))
call pargi (i)
}
call flush (fd)
end
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