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include "xregister.h"
# RG_XWREC -- Procedure to write out the whole record.
procedure rg_xwrec (db, dformat, xc)
pointer db #I pointer to the database file
int dformat #I is the shifts file in database format
pointer xc #I pointer to the cross correlation structure
int i, nregions, ngood, c1, c2, l1, l2, xlag, ylag
pointer sp, image, prc1, prc2, prl1, prl2, pxshift, pyshift
real xin, yin, xout, yout, xavshift, yavshift
int rg_xstati()
pointer rg_xstatp()
begin
# Allocate working space.
call smark (sp)
call salloc (image, SZ_FNAME, TY_CHAR)
# Write the header record.
if (dformat == YES)
call rg_xdbparams (db, xc)
# Fetch the pointers to the columns.
prc1 = rg_xstatp (xc, RC1)
prc2 = rg_xstatp (xc, RC2)
prl1 = rg_xstatp (xc, RL1)
prl2 = rg_xstatp (xc, RL2)
pxshift = rg_xstatp (xc, XSHIFTS)
pyshift = rg_xstatp (xc, YSHIFTS)
nregions = rg_xstati (xc, NREGIONS)
xavshift = 0.0
yavshift = 0.0
ngood = 0
do i = 1, nregions {
xin = (Memi[prc1+i-1] + Memi[prc2+i-1]) / 2.0
yin = (Memi[prl1+i-1] + Memi[prl2+i-1]) / 2.0
if (rg_xstati (xc, NREFPTS) > 0) {
call rg_etransform (xc, xin, yin, xout, yout)
xlag = xout - xin
ylag = yout - yin
} else {
xlag = rg_xstati (xc, XLAG)
ylag = rg_xstati (xc, YLAG)
}
c1 = Memi[prc1+i-1] + xlag
c2 = Memi[prc2+i-1] + xlag
l1 = Memi[prl1+i-1] + ylag
l2 = Memi[prl2+i-1] + ylag
if (IS_INDEFR(Memr[pxshift+i-1]) || IS_INDEFR(Memr[pyshift+i-1])) {
if (dformat == YES)
call rg_xdbshiftr (db, Memi[prc1+i-1], Memi[prc2+i-1],
Memi[prl1+i-1], Memi[prl2+i-1], c1, c2, l1, l2,
INDEFR, INDEFR)
} else {
if (dformat == YES)
call rg_xdbshiftr (db, Memi[prc1+i-1], Memi[prc2+i-1],
Memi[prl1+i-1], Memi[prl2+i-1], c1, c2, l1, l2,
Memr[pxshift+i-1], Memr[pyshift+i-1])
ngood = ngood + 1
xavshift = xavshift + Memr[pxshift+i-1]
yavshift = yavshift + Memr[pyshift+i-1]
}
}
# Compute the average shift.
if (ngood <= 0) {
xavshift = 0.0
yavshift = 0.0
} else {
xavshift = xavshift / ngood
yavshift = yavshift / ngood
}
call rg_xsetr (xc, TXSHIFT, xavshift)
call rg_xsetr (xc, TYSHIFT, yavshift)
if (dformat == YES)
call rg_xdbshift (db, xc)
else {
call rg_xstats (xc, IMAGE, Memc[image], SZ_FNAME)
call fprintf (db, "%s %g %g\n")
call pargstr (Memc[image])
call pargr (xavshift)
call pargr (yavshift)
}
call sfree (sp)
end
# RG_XDBPARAMS -- Write the cross-correlation parameters to the database file.
procedure rg_xdbparams (db, xc)
pointer db #I pointer to the database file
pointer xc #I pointer to the cross-correlation structure
pointer sp, str
int rg_xstati()
#real rg_xstatr()
begin
call smark (sp)
call salloc (str, SZ_FNAME, TY_CHAR)
# Write out the time record was written.
call dtput (db, "\n")
call dtptime (db)
# Write out the record name.
call rg_xstats (xc, RECORD, Memc[str], SZ_FNAME)
call dtput (db, "begin\t%s\n")
call pargstr (Memc[str])
# Write the image names.
call rg_xstats (xc, IMAGE, Memc[str], SZ_FNAME)
call dtput (db, "\t%s\t\t%s\n")
call pargstr (KY_IMAGE)
call pargstr (Memc[str])
call rg_xstats (xc, REFIMAGE, Memc[str], SZ_FNAME)
call dtput (db, "\t%s\t%s\n")
call pargstr (KY_REFIMAGE)
call pargstr (Memc[str])
call dtput (db, "\t%s\t%d\n")
call pargstr (KY_NREGIONS)
call pargi (rg_xstati (xc, NREGIONS))
call sfree (sp)
end
# RG_XWREG -- Write out the results for each region individually into
# the shifts file.
procedure rg_xwreg (db, xc)
pointer db #I pointer to the database file
pointer xc #I pointer to the cross-correlation structure
int i, nregions, c1, c2, l1, l2, xlag, ylag
pointer prc1, prc2, prl1, prl2, pxshift, pyshift
real xin, yin, xout, yout
int rg_xstati()
pointer rg_xstatp()
begin
# Fetch the regions pointers.
prc1 = rg_xstatp (xc, RC1)
prc2 = rg_xstatp (xc, RC2)
prl1 = rg_xstatp (xc, RL1)
prl2 = rg_xstatp (xc, RL2)
pxshift = rg_xstatp (xc, XSHIFTS)
pyshift = rg_xstatp (xc, YSHIFTS)
nregions = rg_xstati (xc, NREGIONS)
# Write out the reference image region(s) and the equivalent
# input image regions.
do i = 1, nregions {
xin = (Memi[prc1+i-1] + Memi[prc2+i-1]) / 2.0
yin = (Memi[prl1+i-1] + Memi[prl2+i-1]) / 2.0
if (rg_xstati (xc, NREFPTS) > 0) {
call rg_etransform (xc, xin, yin, xout, yout)
xlag = xout - xin
ylag = yout - yin
} else {
xlag = rg_xstati (xc, XLAG)
ylag = rg_xstati (xc, YLAG)
}
c1 = Memi[prc1+i-1] + xlag
c2 = Memi[prc2+i-1] + xlag
l1 = Memi[prl1+i-1] + ylag
l2 = Memi[prl2+i-1] + ylag
if (IS_INDEFR(Memr[pxshift+i-1]) || IS_INDEFR(Memr[pyshift+i-1]))
call rg_xdbshiftr (db, Memi[prc1+i-1], Memi[prc2+i-1],
Memi[prl1+i-1], Memi[prl2+i-1], c1, c2, l1, l2,
INDEFR, INDEFR)
else
call rg_xdbshiftr (db, Memi[prc1+i-1], Memi[prc2+i-1],
Memi[prl1+i-1], Memi[prl2+i-1], c1, c2, l1, l2,
Memr[pxshift+i-1], Memr[pyshift+i-1])
}
end
# RG_XDBSHIFTR -- Write out the reference image section, input image
# section and x and y shifts for each region.
procedure rg_xdbshiftr (db, rc1, rc2, rl1, rl2, c1, c2, l1, l2, xshift, yshift)
pointer db #I pointer to the database file
int rc1, rc2 #I reference region column limits
int rl1, rl2 #I reference region line limits
int c1, c2 #I image region column limits
int l1, l2 #I image region line limits
real xshift #I x shift
real yshift #I y shift
begin
call dtput (db,"\t[%d:%d,%d:%d]\t[%d:%d,%d:%d]\t%g\t%g\n")
call pargi (rc1)
call pargi (rc2)
call pargi (rl1)
call pargi (rl2)
call pargi (c1)
call pargi (c2)
call pargi (l1)
call pargi (l2)
call pargr (xshift)
call pargr (yshift)
end
# RG_XDBSHIFT -- Write the average shifts to the shifts database.
procedure rg_xdbshift (db, xc)
pointer db #I pointer to text database file
pointer xc #I pointer to the cross-correlation structure
real rg_xstatr()
begin
call dtput (db, "\t%s\t\t%g\n")
call pargstr (KY_TXSHIFT)
call pargr (rg_xstatr (xc, TXSHIFT))
call dtput (db, "\t%s\t\t%g\n")
call pargstr (KY_TYSHIFT)
call pargr (rg_xstatr (xc, TYSHIFT))
end
# RG_XPWREC -- Print the computed shift for a region.
procedure rg_xpwrec (xc, i)
pointer xc #I pointer to the cross-correlation structure
int i #I the current region
int xlag, ylag, c1, c2, l1, l2
pointer prc1, prc2, prl1, prl2
real xin, yin, rxlag, rylag
int rg_xstati()
pointer rg_xstatp()
begin
# Fetch the pointers to the reference regions.
prc1 = rg_xstatp (xc, RC1)
prc2 = rg_xstatp (xc, RC2)
prl1 = rg_xstatp (xc, RL1)
prl2 = rg_xstatp (xc, RL2)
# Transform the reference region to the input region.
xin = (Memi[prc1+i-1] + Memi[prc2+i-1]) / 2.0
yin = (Memi[prl1+i-1] + Memi[prl2+i-1]) / 2.0
if (rg_xstati (xc, NREFPTS) > 0) {
call rg_etransform (xc, xin, yin, rxlag, rylag)
xlag = rxlag - xin
ylag = rylag - yin
} else {
xlag = rg_xstati (xc, XLAG)
ylag = rg_xstati (xc, YLAG)
}
c1 = Memi[prc1+i-1] + xlag
c2 = Memi[prc2+i-1] + xlag
l1 = Memi[prl1+i-1] + ylag
l2 = Memi[prl2+i-1] + ylag
# Print the results.
call printf ("Region %d: [%d:%d,%d:%d] [%d:%d,%d:%d] %g %g\n")
call pargi (i)
call pargi (Memi[prc1+i-1])
call pargi (Memi[prc2+i-1])
call pargi (Memi[prl1+i-1])
call pargi (Memi[prl2+i-1])
call pargi (c1)
call pargi (c2)
call pargi (l1)
call pargi (l2)
call pargr (Memr[rg_xstatp(xc,XSHIFTS)+i-1])
call pargr (Memr[rg_xstatp(xc,YSHIFTS)+i-1])
end
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